• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An aerial data probe includes a probe head defining a longitudinal axis between a front tip and rear base. The probe includes a thermocouple that has a sensor tip on the front tip to measure the temperature on the front tip. The probe includes a door opening defined on one side of the probe head and the opening at an angle to the longitudinal axis. The probe includes a bulkhead on the probe head. The bulkhead has a chamber in fluid communication with the opening of the door. The chamber includes an entrance to a chamber that has an elongated cross-sectional shape. The single elongated chamber inlet is in fluid communication with two downstream pressure lines to provide redundancy in case one of the two pressure lines is blocked.
    公开号:BR102016006190B1
    申请号:R102016006190-3
    申请日:2016-03-21
    公开日:2021-02-23
    发明作者:Timothy T. Golly；Paul R. Johnson；Greg Seidel
    申请人:Rosemount Aerospace Inc.；
    IPC主号:
    专利说明:

    BACKGROUND OF THE INVENTION 1. Field of the Invention
    [001] The present invention relates to aerial data probes, and more particularly to tolerant and moisture resistant air data probes. 2. Description of the State of the Related Art
    [002] A variety of aerial data probe devices are known in the art for aircraft flight control. Of such devices, many are aimed at measuring pitot pressure, static pressure, local angle of attack pressures and angle of skid pressures as parameters for calculating pressure altitude, altitude rate, air speed, Mach number , angle of attack and skid angle. Aerial data probes can also provide data for secondary purposes, including engine control, artificial sensation, cabin pressure differential, and more.
    [003] During atmospheric humidity conditions, it is possible for air data probes to have measurement errors from pressure sensors or spikes due to moisture being present in air data probe chambers and conduits. This moisture includes both solid and liquid moisture. During operation on land and in flight, atmospheric humidity can accumulate around and in pressure measurement ports, ducts and chambers, which can cause the development of meniscuses that affect the accuracy of the detected pressures and therefore affect the accuracy determined air velocity, altitude, or other dynamic characteristics of the measured fluid.
    [004] These conventional methods and systems have generally been found to be satisfactory for their intended purpose. However, as rain and ice regulations become increasingly stringent, and an increasing number of aircraft with fly-by-wire flight intermittent pressure spikes, sometimes caused by ingested water, are decreasing. As such, there is still an ever-present need to advance the state of the art to reduce errors due to moisture intake and to reduce moisture intake all together within the air data probes. The present invention provides a solution to these needs. SUMMARY OF THE INVENTION
    [005] An aerial data probe includes a probe head defining a longitudinal axis between a front tip and rear base. The probe includes a thermocouple that has a sensor tip on the front tip to measure the temperature on the front tip.
    [006] It is considered that the probe may include a shield inside the front tip of the probe head to secure the sensor end of the thermocouple. A support can extend from the rear base of the probe head. The thermocouple can extend from the front end of the probe head to a base of the holder and can terminate at a thermocouple connector.
    [007] In another embodiment, a method of mounting the heater and thermocouples for an aerial data probe includes wrapping a wire heater around a first mandrel to form a coiled heating coil. The method includes removing the first mandrel from the wound heating coil and inserting a second mandrel into the wound heating coil. The second mandrel includes guides for positioning the wound heating coil. The method includes winding a thermocouple around the second mandrel between the coils of the coiled heating coil to form a coiled thermocouple coil, and removing the second mandrel from the coiled heating coil and the coiled thermocouple coil.
    [008] An aerial data probe includes a probe head defining a longitudinal axis between a front tip and rear base. The opening of the door is defined at the front end. A first conduit is in fluid communication with the door opening to guide fluid flow from the door opening to a first chamber. The first chamber is downstream from the door opening. A second conduit, displaced radially and circumferentially from the first conduit, is in fluid communication with the first chamber to guide the flow of fluid from the first chamber to a second chamber. The second chamber is downstream from the first chamber. The displacement between the first and the second conduit is configured to prevent ingestion of particles from the door opening to enter the second conduit.
    [009] According to some modalities, a static conduit is in fluid communication with a static chamber. The static chamber may be upstream of the first chamber. The static conduit can direct the flow from the static chamber through the first chamber. The conduit may be static in sigmoid format between an outlet of the first conduit and an entrance of the second conduit inside the first chamber to block a direct path between the outlet of the first conduit and the entrance of the second conduit.
    [0010] In another embodiment, an aerial data probe includes a probe head defining a longitudinal axis between a front tip and rear base. The probe includes a door opening defined on one side of the probe head and the opening at an angle to the longitudinal axis. The probe includes a bulkhead on the probe head. The bulkhead has a chamber in fluid communication with the opening of the door. The chamber includes an entrance to a chamber that has an elongated cross-sectional shape. The single elongated chamber inlet is in fluid communication with two downstream pressure lines to provide redundancy in case one of the two pressure lines is blocked.
    [0011] In yet another embodiment, an aerial data probe includes a probe head defining a longitudinal axis between a front tip and rear base. The probe head includes a door opening defined on one side of the probe head and the opening at an angle to the longitudinal axis, and a bulkhead inside the front tip of the probe head. The bulkhead includes a chamber entrance in fluid communication with the door opening. The chamber inlet is operatively connected to a downstream pressure conduit that has an elongated cross-sectional shape to resist the formation of meniscuses in the downstream pressure conduit.
    [0012] According to some modalities, the inlet chamber and the downstream pressure line are integrally formed as part of the bulkhead. The probe may include a capillary tube nested within the downstream pressure conduit and adjacent to an internal surface of the downstream pressure conduit to collect moisture entering the door opening. The capillary tube can be integrally formed with the chamber inlet and the downstream pressure conduit as part of the bulkhead. An internal surface of the downstream pressure conduit may include projecting features, and / or recess features to collect moisture entering the door opening.
    [0013] An integrally formed bulkhead for an aerial data probe includes a bulkhead body defining a longitudinal axis. The bulkhead body includes a first chamber inlet and a first chamber. The first chamber is inside the bulkhead body and is in fluid communication with the first chamber entrance. The inner walls of the first chamber entrance and the first chamber are substantially smooth and uninterrupted. An external surface of the bulkhead body includes a heating groove and a thermocouple groove. The bulkhead body separates the first and second chambers from the heating grooves and thermocouples.
    [0014] These and other characteristics of the systems and method of the invention of the subject will become more apparent to those skilled in the art of the following detailed description of the preferred modalities taken in conjunction with the drawings. BRIEF DESCRIPTION OF THE FIGURES
    [0015] So that those versed in the technique to which the invention of the subject belongs will readily understand how to make and use the devices and methods of the invention of the subject without undue experimentation, the respective preferred modalities will be described in detail in this document below with reference to certain figures, where:
    [0016] Fig. 1 is a side view of an exemplary embodiment of an aerial data probe constructed in accordance with the present invention, showing the probe head and upright; Fig. 2 is a side view of the air data probe of Fig. 1 with a part of the outer probe housing removed, showing the heating coils and thermocouples; Fig. 3 is a perspective view of the aerial data probe of Fig. 1, as seen from the underside of the riser, showing the base of the riser with a thermocouple connector; Fig. 4 is a flow diagram that schematically describes a method for assembling the heating and thermocouple coils according to the present invention; Fig. 5 is a perspective view of the air data probe of Fig. 1 with a part of the outer probe housing removed, and the heating and thermocouple coils removed, showing the first and second pressure ducts compensated in a way circumferential and radial from one to the other; Fig. 6 is an enlarged side view of the pressure ducts and bulkheads of Fig. 5, showing a static pressure duct in sigmoid shape; Fig. 7A is a perspective view of another exemplary embodiment of an aerial data probe constructed in accordance with the present invention, showing the outer probe housing; Fig. 7B is a perspective view of a part of the aerial data probe of Fig. 7A, constructed in accordance with the present invention, with a part of the outer probe housing removed, showing a bulkhead with redundant pressure conduits; Fig. 8 is an enlarged perspective view of the bulkhead of Fig. 7A, showing a single elongated chamber inlet, in pressure communication with two pressure lines; Fig. 9A is a perspective view of another exemplary embodiment of a portion of an aerial data probe constructed in accordance with the present invention, showing the outer probe housing; Fig. 9B is a perspective view of a part of the aerial data probe of Fig. 9A, with a part of the outer probe housing removed, showing elongated pressure conduits; Fig. 10 is an enlarged perspective view of the bulkhead of Fig. 9A, showing the elongated chamber doors, each connected to a respective elongated pressure conduit; Fig. 11 is a perspective view of part of the aerial data probe of Fig. 9A, showing the capillary tubes within the elongated pressure conduits; Fig. 12 is a perspective view of a part of another exemplary embodiment of an aerial data probe constructed in accordance with the present invention, with a part of the outer probe housing removed, showing an integrally formed bulkhead; Fig. 13 is a cross-sectional view of the integrally formed bulkhead of Fig. 12 taken along the longitudinal axis, showing the heating and thermocouple grooves; Fig. 14A is a rear cross-sectional view of the integrally formed bulkhead of Fig. 12 taken in a plane perpendicular to the longitudinal axis, showing the elongated capillary tubes and pressure conduits formed integrally with the bulkhead; and Fig. 14B is a rear cross-sectional view of the integrally formed bulkhead of Fig. 12 taken in a plane perpendicular to the longitudinal axis, showing the capillary tubes and elongated pressure conduits formed integrally with the bulkhead. DETAILED DESCRIPTION OF THE PREFERENTIAL MODALITIES
    [0017] References will now be made to the drawings, in which the numeral references identify the similar structural features or aspects of the invention of the subject. For purposes of explanation and illustration, and not limitation, a partial view of an exemplary embodiment of an aerial information probe, in accordance with the invention, is shown in Fig. 1 and is generally designated by the reference character 100. Other modalities of aerial data probes in accordance with the invention, or aspects thereof, are provided in Fig. 2-14B as will be described.
    [0018] As shown in Fig. 1, an aerial data probe 100 includes a probe head 102 that defines a longitudinal axis A between a front tip 104 and a rear base 108. A support 118 extends from the rear base 108 of the probe head. Probe 100 includes a thermocouple coil 110 that has a sensor end 112 at the front tip 104 to measure the temperature near the front tip 104 to provide highly accurate and sensitive temperature measurements that can be continuously taken at the front tip 104 of the probe head 102 and regardless of the on / off state of a heating coil 124. A probe housing 114 surrounds thermocouple coil 110. Probe 100 includes a bulkhead 116 within the front end 104 of probe head 102 to secure the sensor end 112 of the thermocouple coil 110. The thermocouple coil 110 extends from the front end 104 of the probe head 102 to a support base 120 and is interlaced with the heating coil 124. The thermocouple coil 110 ends in a can hermetically sealed 123 below thermocouple connector 122. It is also contemplated that a dedicated tube for thermocouple coil 110 can be used in such a way that it can be added o after most manufacturing processes are completed.
    [0019] In addition, those skilled in the art will easily understand that the thermocouple coil 110 is included in the aerial data probe 100 without taking any cross-sectional area away from the internal pressure lines, for example, the pressure lines 128, 132 , 138 and 331, described below, which should be maximized, to avoid meniscus formation, due to the ingested water. It also does not remove any significant area of the cross-sectional area dedicated to the prevention of the formation of a brazing bridge during manufacture.
    [0020] The aerial data probe 100 provides better heating control over traditional heating mechanisms. Traditional heating mechanisms establish the temperature of the probe based on the resistance of the heating element, similar to heating coil 124. Generally, the resistance of the heating element does not correspond well with the temperature of the front end. On the contrary, it is more indicative of the average temperature along the compensating part of the heater. It also falls behind the tip temperature in transitory conditions, because the support has a large thermal mass and low power density. The front part of the probe head undergoes the highest convection and impact humidity of any area on the aerial data probe. Keeping this area free of ice is an important factor for aerodynamic performance. The front part of the probe head must therefore have a high density of heating power, although this area has a low thermal mass. These factors result in very rapid temperature changes along the front of the probe head during transient conditions, especially at the tip. The significant delay and limited accuracy of temperature measurement in traditional air data probes results in operating temperatures close to the probe tip that are often well above the desired operating temperature resulting in accelerated corrosion.
    [0021] When detecting the temperature near the front end 104 with the thermocouple coil 110, the aerial data probe 100 provides more accurate temperature readings, resulting in improved control of the heating coil 124 and avoiding unnecessary extreme temperature spikes. The improved control of the heating coil 124 can lead to a better life of the heater, a reduction in the delamination of certain types of brazing materials, and a reduction in corrosion of the probe head and heating jacket. By reducing the corrosion of the probe head 100 the loss of aerodynamic performance, blockage of drainage holes due to internal fragmentation, heating failures due to perforation of the housing, aesthetic issues, and poor defrosting performance can be reduced. It is contemplated that the improved control of the heating coil 124 can provide a safety benefit for maintenance personnel, reducing the maximum temperatures of the probe.
    [0022] In addition, it is contemplated that the thermocouple coil 110 for the aerial data probe 100 may allow more advanced heating control algorithms that could improve the life of the heater, reduce electricity requirements, in many environments, or allow a reinforcement mode in severe conditions. The precise temperature of the probe tip in conjunction with other air data parameters can allow the air data probe 100 to detect when the probe is operating in rain or icing conditions, and / or determine when probe 100 is at on the verge of being overwhelmed by exceptionally severe ice formation or problems with heating coil 124. Probe temperature measurements for aerial data probe 100 are not affected by the failure of the heating probe, as would traditional temperature measurements at resistance base. This allows the detection of false heater failure indications.
    [0023] Now with reference to Fig. 4, a method 200 of assembling the heater and thermocouple coils 124 and 110, respectively, for an aerial data probe 100 includes a heating wire winding around a first heating chuck. to form a coiled heating coil, as indicated by box 202. Method 200 includes removing the first coil from the coiled heating coil and inserting a second, smaller mandrel into the coiled heating coil, as indicated by boxes 204 and 206. The second mandrel includes guides for positioning the coiled heating coil and securing it in the correct position. Method 200 includes winding a thermocouple around the second mandrel between the coils of the coiled heating coil to form a coiled thermocouple coil, and removing the second mandrel from the coiled heating coil and the coiled thermocouple coil, as indicated by boxes 208 and 210. After the second chuck is removed, bulkheads and pressure lines can be inserted. The resulting internal assembly is then welded to the probe housing, for example, probe housing 114. Those skilled in the art will easily see that the use of two mandrels allows the heater and thermocouple to have different diameters so that both can have their diameters ideals.
    [0024] As shown in Fig. 5, the aerial data probe 100 includes a door opening 125, shown in Fig. 1, defined at the front end 104. The first conduit 128 is in fluid communication with the opening of door 125 for guiding the fluid flow from the door opening 125, for example the pitot door opening 125, and the pitot chamber 103, to a first chamber 130, for example a drainage chamber, defined between two rear bulkheads 109. The drain chamber 130 is downstream of the door opening 125. A second conduit 132, displaced radially and circumferentially from the first conduit 128, is in fluid communication with the drain chamber 130 to guide the flow of fluid from the drain chamber. 130 for a second chamber 134. The second chamber 134 is downstream of the drain chamber 130.
    [0025] As shown in Fig. 6, a static conduit 138 is in fluid communication with a static chamber 136. The static chamber 136 is upstream of the first chamber 130. The static conduit 138 can direct the flow of the static chamber 136 through the first chamber 130. Static conduit 138 in sigmoid format between an outlet 140 of the first conduit 140 and an inlet 142 of the second conduit 132 in the first chamber 130 to block a direct path between the outlet 140 of the first conduit 140 and the inlet 142 of the second conduit 132 and replace it with geometry that causes the ice crystals to detach inertially before reaching the entrance 142 of the second conduit 132, for example, the rear pitot line. The displacement between the first and second conduits 128 and 132, respectively, and the static sigmoid conduit 138 are configured to prevent the ingestion of particles from the door opening 125 from entering the second conduit 132. The inertia of the particles causes them to disperse to the outer wall of the drain chamber 130, where they can be fused and removed through a drain hole.
    [0026] When rain conditions are faced, aerial data probes can also ingest small amounts of water through the angle of attack (AOA) ports, similar to ports 126, 326, 426 and 526, described below. This ingestion can cause meniscus to form inside the AOA ports, chambers and / or traditional pressure lines because of the narrow geometry of the internal passages. Once a meniscus forms, water can be drawn deeper into the door and corresponding pressure line by contraction of air within the AOA pressure line while the probe is cooled by the rain event. This can cause significant humidity inside the pressure line. When the rain event ends, the temperature of the probe increases rapidly and causes the air in the pressure line to expand. The expanding air can then push the meniscus back and forth through the AOA door. As water is expelled from the door, a series of pressure spikes can occur.
    [0027] Referring now to Figs 7A and 7B, another embodiment of an aerial data probe 300, similar to aerial data probe 100, has a probe head 302 with a front tip 304 and a rear base (not shown). Probe 300 includes a port opening 326 defined on one side of the probe head opening 302 at an angle to the longitudinal axis A. Probe 300 includes a bulkhead 316, different from bulkhead 116, within the probe head 302. The bulkhead 316 has a chamber 315 in fluid communication with the opening of the door 326.
    [0028] As shown in Fig. 8, the chamber 315 includes an entrance to a chamber 317 that has an oval cross-sectional shape. Chamber inlet 317 can have a variety of suitable elongated shapes. The single oval chamber inlet 317 is in fluid communication with two downstream pressure lines 331, for example, the AOA pressure lines, to provide redundancy in case one of the two pressure lines 331 is blocked. To accommodate the connection from chamber 315 to conduits 331, bulkhead 316 includes two outlets 319 for chamber 315. When placing the inlet to one of the pressure conduits 331 closest to the door opening 326 and also positioning the conduits pressure 331 in such a way that gravity tends to pull moisture towards the pressure duct 331 that is closest to the door opening 326, the other pressure duct 331, further away from the door opening 326, is more likely to keep it free of water. Those skilled in the art will readily see that, with an open pressure line 331, there is no closed system for drawing additional water when probe 300 cools during the rain event or forcing sips of water out of probe 300 when it heats up again after the rain event. The moisture contained in the pressure conduit 331 would be gradually removed by a heater instead of all at once, thus eliminating the pressure peaks seen with traditional probes.
    [0029] Referring now to Figs 9A and 9B, another embodiment of an aerial data probe 400, similar to aerial data probe 100, has a probe head 402 with a front tip 404 and a rear base (not shown). Probe 400 includes a door opening 426 defined on one side of the opening of probe head 402 at an angle to the longitudinal axis A. Probe 400 includes a bulkhead 416, different from bulkhead 116, within the front end 404 of the head probe 402. The bulkhead 416 has a chamber 415 in fluid communication with the door opening 426 through a chamber inlet 417.
    [0030] As shown in Fig. 10, chamber 415 includes an entrance to a chamber 417 that has an oval cross-sectional shape. Chamber inlet 417 can have a variety of suitable elongated shapes. The chamber inlet 417 is in fluid communication with a single downstream pressure conduit 431 having an oval cross-sectional shape to resist the formation of meniscuses in the downstream pressure conduit 431. The downstream pressure conduit 431 can have a variety of suitable elongated transverse shapes, such as D-shaped or wedge-shaped, elliptical. The downstream pressure conduit 431 makes better use of the space inside an aerial data probe than traditional circular pressure conduits are capable, allowing the use of larger pressure lines, reducing the formation of menisci. Stretching in one direction also reduces meniscus formation. Pressure ducts with a "D" shape or similar also tend to allow water to spread to sharp corners by capillary action instead of immediately forming a meniscus. The pressure conduit 431 is ideally sized to be the largest that will fit inside the probe head, maintaining the necessary clearances. To accommodate the connection of chamber 415 to conduit 431, bulkhead 416 includes an elongated oval outlet 419 for chamber 415.
    [0031] Referring now to Fig. 11, the probe 400 includes a capillary tube 421 nested inside the downstream pressure conduit 431 and an internal back surface of the downstream pressure conduit to collect the moisture entering the vent opening. port 426, shown in Fig. 9A. Temporarily trapping water, capillary tube 421 prevents moisture from forming a meniscus along the pressure conduit 431. Capillary tube 421 can be slightly lowered into the opening of the larger pressure conduit 431, similar to the recess in Fig. 13 , Described below.
    [0032] As shown in Fig. 12 and 13, another embodiment of an aerial data probe 500, similar to aerial data probe 100, has a probe head 502 with a front tip 504 and a rear base 508. Instead of bulkheads 116, 316 or 416, the aerial data probe 500 includes an integrally formed bulkhead 516. The integrally formed bulkhead 516 includes a bulkhead body 533 that defines a longitudinal X-axis bulkhead, substantially coaxial with the longitudinal A-axis of the data probe overhead 500. An outer surface 529 of the bulkhead body includes a heater and thermocouple grooves 535.
    [0033] With continued reference to Fig. 13, the integrally formed bulkhead 516 defines three entire chambers, a pitot chamber 503 and two AOA 515 chambers, which are typically defined between two separate bulkheads, for example, bulkhead 116 and a bulkhead rear 109 inside the probe head 302. Each AOA 515 chamber includes a chamber entrance 517 in fluid communication between a door opening 526, similar to the opening doors 326 and 426, through a chamber entrance 517. A first chamber , for example, pitot chamber 503, is inside the bulkhead body and is in fluid communication with a first chamber inlet 525. The bulkhead body 533 separates the chambers, for example, the pitot chamber 503 and the AOA chambers 515, the heater and thermocouple grooves 535. The inner walls 527 of the first chamber inlet 517 and the first chamber 503 are substantially smooth and uninterrupted due to the orientation of the heater and thermocouple grooves 535 on the surface external 529 of the bulkhead body 533. It is contemplated that the integrally formed bulkhead 516 can be manufactured using additive manufacturing processes, for example, direct metal laser sintering (DMLS: Direct Metal Laser Sintering).
    [0034] It is also contemplated that the integrally formed bulkhead 516 allows the AOA chambers to be larger than in a typical probe head, thus allowing the AOA 515 chambers to also contain structures designed to hold and temporarily contain small amounts of water. As shown in Fig. 14A, each chamber inlet 517 and downstream pressure conduit 531 are integrally formed as part of the bulkhead. Capillary tubes 521, similar to capillary tubes 421, are also integrally formed within respective conduits 531. Capillary tube 521 is slightly lowered at the opening of the larger pressure conduit 531, providing greater moisture trapping.
    [0035] With reference to Fig. 14B, in addition to or instead of capillary tubes 521, an internal surface 523 of the downstream pressure conduit 531 may include projecting features 550, for example, fin walls, and / or recess features 552 to collect moisture entering the door opening. Those skilled in the art will easily see that the salient characteristics 550 and the recess characteristics 523 can be achieved through additive manufacturing processes. It is also contemplated that there may be a layer of porous material 551 on the inner surface 523, or on an inner surface of the chambers 515. Once the moisture is captured, it can be gradually vaporized after the rain event by the heating coil. A short period of heater operation on the floor during the taxi would also be sufficient to eliminate all moisture.
    [0036] The modalities disclosed here can be used independently or in conjunction with one another. The aerial data probes 100, 300, 400 and 500 result from reduced intake and / or increased humidity tolerance over existing aerial data probes.
    [0037] The methods and systems of the present invention, as previously described and shown in the figures, provide air data probes with superior properties, including reduction and resistance to moisture and meniscus formation, and reduction of pressure sensor errors associated with same. While the apparatus and methods of the invention of the subject have been shown and described with references to the preferred modalities, those skilled in the art will understand that changes and / or modifications can be introduced without departing from the nature and scope of the subject's invention.
    权利要求:
    Claims (4)
    [0001]
    1. Air data probe (100) tolerant and moisture resistant comprising: a probe head (102) defining a longitudinal axis (A) between a front end (104) and rear base (108); and a thermocouple having a sensing end of the front tip for measuring the temperature at the front tip (104); the aerial data probe characterized by the fact that: it further comprises a coiled heating coil (124) and a coiled thermocouple coil (110), the coiled thermocouple coil (110) being coiled between the coils of the heating coil (124) .
    [0002]
    2. Air data probe according to claim 1, characterized by the fact that it still comprises a bulkhead (116) inside the front end of the probe head (104) (102) to secure the sensor end of the thermocouple.
    [0003]
    3. Aerial data probe according to claim 1, characterized by the fact that it still comprises a support (118) that extends from the rear base of the probe head (102), in which the thermocouple extends from the tip front (104) of the probe head (102) to a base of the support (118) and ends in a thermocouple connector.
    [0004]
    4. Method of assembling heater and thermocouple coils (110) for an aerial data probe (100), the method comprising: winding a heating line around a first mandrel to form a coiled heating coil (124); removing the first mandrel from the wound heating coil (124); inserting a second mandrel into the wound heating coil (124), wherein the second mandrel includes guides for positioning the wound heating coil (124); the method characterized by the fact that it further comprises: winding a thermocouple around the second mandrel between the coils of the coiled heating coil to form a coiled thermocouple coil (110); removing the second mandrel from the coiled heating coil (124) and the coiled thermocouple coil (110); and inserting the coil set into an air data probe housing.
    类似技术:
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    同族专利:
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    US20220024602A1|2022-01-27|
    BR122020016650B1|2021-06-08|
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    BR102016006190A2|2016-10-25|
    US10227139B2|2019-03-12|
    US20160280391A1|2016-09-29|
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    法律状态:
    2016-10-25| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2020-05-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-02-23| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/03/2016, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201562137080P| true| 2015-03-23|2015-03-23|
    US62/137,080|2015-03-23|BR122020016650-9A| BR122020016650B1|2015-03-23|2016-03-21|tolerant and moisture resistant air data probe, and integrally formed bulkhead for an air data probe|
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