• 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:
    1523625 Choke valves HONDA GIKEN KOGYOKK 14 Aug 1975 [15 Aug 1974] 33967/75 Heading F1H A carburetter, for an engine having a precombustion chamber 6 connected to the or each main combustion chamber 4 and spark ignition means 7 in each pre-combustion chamber comprises a main carburetter 15 for supplying a first mixture to the main combustion chamber (5), an auxiliary carburetter 16 for supplying a second mixture to the pre-combustion chamber (5), a main choke valve 19 in the intake passage of the main carburetter, an auxiliary choke valve 20 in the intake passage of the auxiliary carburetter, a control element 24 connected to actuate the main choke valve through a spring 25 so that overtravel of the control element after the main choke valve is closed stores energy in the spring and means 56 connected to the control element to move the auxiliary choke valve toward the closed position only during such overtravel of the control element after the main choke valve has closed. First main choke lever 23 is fixed on shaft 17 on which choke valve 19 is mounted off-centre. Second main choke lever 24, the control element, is free to turn on shaft 17, and has a stopper 26; torsion spring 25 biases lever 24 to abut stopper 26 as shown in Fig. 1. Connecting rod 38 is pivotally connected at one end to arcuate slot 27 and at the other end is attached to diaphragm 37, biased by compression spring 39 and subject to the vacuum downstream of main throttle valve 21. Auxiliary choke valve 20 is off-centre mounted on shaft 18 to which first auxiliary choke lever 43 is fixed and on which second auxiliary choke lever 44 is free to turn. Lever 44 has a stopper 47 against which lever 43 is biased by torsion spring 45. Rod 49 connects arcuate slot 46 to vacuum motor 48, which is subject to the vacuum downstream of auxiliary throttle valve 22. A bi-metal spiral spring 30 rotates a lever 33 anti-clockwise as the ambient temperature decreases and through rod 34, lever 24 and spring 25 rotates main choke valve 19 in the closing direction. If the temperature is very low, continuing movement of rod 34 continues to rotate lever 24, against spring 25 and through rod 56 rotates lever 44 and hence lever 43 to move choke valve 20 in the closing direction. Spring 30 is heated by an electrical heater when the engine is running and progressively opens choke valve 19. When the engine is started from cold, as soon as it is running, vacuum acting on diaphragm 37 opens choke valve 19 slightly, against the force of spring 25. Since the force exerted by spring 25 depends on the extent to which lever 24 has been turned by spring 30, the amount choke valve 19 is opened is dependent on the temperature of spring 30. Auxiliary choke valve 20 is moved to the open position, against the force of spring 45 by vacuum motor 50 acting through connecting rod 49. In a modification, Figs. 3 & 4 (not shown) the spring 30 is omitted and manual operation of lever 24 is provided.
    公开号:SU993832A3
    申请号:SU752172450
    申请日:1975-08-14
    公开日:1983-01-30
    发明作者:Ийяма Масахико；Камезаки Такаси
    申请人:Хонда Гикен Когио Кабусики Кайся (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to mechanical engineering, in particular, to carburetors for an internal combustion engine.
    Carburetors are known for an internal combustion engine, comprising a housing s with a primary and secondary flow. channels forming the mixing chambers, the main and additional throttle valves, the main and additional air dampers located on the axes in the flow channels, the first lever connected to the axis of the main air. a choke valve, a second lever connected to the control element and mounted rotatably on the J5 axis of the main air damper, a spring connecting the first and second levers, a third lever located on the axis of the additional air damper, and a rod pivotally connected to the second and third m levers [1].
    However, in the known carburetors, the closing of the main and additional air dampers is carried out at the same time2 but, in connection with this, the starting characteristics of the carburetor deteriorate.
    The aim of the invention is to improve the starting characteristics of the carburetor in a wide range of ambient temperatures. '.
    This goal is achieved by the fact that in the carburetor containing the housing with the main and additional flow channels forming mixing chambers, the main and additional throttle valves, the main and additional air valves located on the axes in the flow channels, the first lever connected to the axis of the main air valve , the second lever associated with the control element and mounted to rotate on the axis of the main air damper, a spring connecting the first and second levers, the third lever, times eschenny an extra air valve axis and a rod pivotally connected with the second and third arms, the second arm holds · possibility of angular displacement in the range 1 Witzlaus pre- angular displacement of the first arm with an axis, and the additional air flap is provided with a retaining device adapted to fixing the axis of the additional air damper 5 during rotation of the main air damper.
    The thrust hinges are made in the form of elements with one degree of freedom and with the open position of the main air damper * 0, the longitudinal axis of the thrust lies in the zone adjacent to the plane passing through the hinge axis and the axis of rotation of the second lever.
    The holding device is made 15 in the form of a spring, one end of which is connected to the third lever and the other to the carburetor body, the second lever having a groove for the free movement of the traction hinge. 20
    In FIG. 1 shows the proposed carburetor for the engine. Internal combustion (the main air damper is closed, and the additional is open); in FIG. 2 - the same, with a different position of 25 elements (primary and secondary air dampers are closed); in FIG. 3 embodiment of the carburetor (main 'air damper closed, additional open); in FIG. 4 - the same, with a different arrangement of elements (the main and additional air dampers are closed).
    The carburetor (Fig. 1) for an internal combustion engine comprises a housing 1 with a main and additional flow channels 2 and 3, forming mixing chambers, a main and an additional throttle valve 4 and 5, a main one and an additional air damper 6 and 7, located on the axes 8 and 9 in the flow channels 2 and 3, the first lever
    10, connected to the axis 8, the second lever
    11 mounted rotatably on axis 8 and connected to the first lever 10 by means of a spring 12, a third lever 13 placed on the axis 9, and a rod 14 connected by hinges .15 and 16, respectively, with the second and third levers 11 and 13 Axis 9 is tough. connected to a fourth arm 17, 5t soedi- nennym the third lever 13 by a spring 18. The second .rychag 11 by a hinge 19 connected to the rod 20 pivotally connected to the driving lever 21 of the control element 22, 55 vypolnen- Nogo as a bimetallic spring . In the first lever 11, a groove 23 is made, in which a hinge 24 of the rod 25 of the vacuum servo is formed, formed by the housing element 26, the diaphragm 27 and the spring 28 and having a working chamber 29 connected via a pipe 30 to the throttle space 31 of the main flow channel 2. The fourth lever 17 has a groove 32, in which a hinge 33 of the rod 34 of the additional vacuum servo drive formed by the housing element 35, the diaphragm 36 and the spring 37 and having a working chamber 38 connected via a pipe 39 to the throttle is installed CB additional space 40 flow channel 3.
    The first lever 10 has a stop 41, restricting the movement of the second lever 11, made with the possibility of angular movement in a range exceeding the angular movement of the first lever 10, and the hinges 15 and 16 of the rod 14 are made in the form of elements with one degree of freedom and with the open arrangement of the main air damper 6, the longitudinal axis of the rod 14 lies in the area adjacent to the plane passing through the axis of the hinge 15 and the axis of rotation of the second lever 11. The additional air damper 7 has a holding device with a spring 18 and a stop 42 made on the third lever 13. The control element 22 has an electric heater (not shown).
    The main flow channel 2 using the inlet tract 43 is connected to the main combustion chamber 44 of the engine, and the additional flow channel 3 using the additional inlet tract 45 is connected to the prechamber 46, in which the spark plug 47 is installed.
    The carburetor works as follows.
    When the engine is running at an intake stroke from the main flow channel 2, the depleted fuel mixture enters the main combustion chamber 44, and enriched fuel mixture enters the prechamber 46 from the additional flow channel 3, while the number of mixtures is regulated by throttles 4 and 5. In the process the combustion cycle to the enriched mixture located in the prechamber 46, the lean mixture from the main chamber 44, is added to the combustion, and at the end of the combustion cycle, the mixture located in the prechamber 46 is ignited by the spark of the spark plug 47. In the unified chamber 44 Goran lean mixture is ignited flames emerging from the prechamber 46 which is connected to the main combustion chamber 44.
    At the same time, when the engine is operating at the operating thermal mode, the main and additional air dampers and 7 are installed in the fully open position with the air flow in the flow channels 2 and 3 and vacuum servos. 1 0
    When the engine is turned off, atmospheric pressure is created in the working chambers 29 and 38 of the servos, in connection with which the springs 28 and 37, the rods 25 and 34 are installed in such a way that their hinges 15 and 33 are located in the middle of the grooves 23 and 3 2. In this regard the movement of the first lever 10 and the fourth lever 17 is not limited. Therefore, when the control element 22, responding to 20 low ambient temperatures, deforms and rotates the drive lever 21 clockwise, along with it through the rod '20 and the hinge 19 h, the second lever 11 turns, and as a result of being pressed by a spring, 12 emphasis 41 to; the second lever 11 rotates the first lever 10 together with the main air damper 6 in the closing direction. In this case, the additional air damper zo remains in the open position due to its fixation by the holding device. At a certain ambient temperature, the main air damper 6 will be set to the full 35 position, while the additional air damper 7 will be set to the full open position (Fig. 1).
    However, if the ambient temperature drops, further movement of the thrust 20 will cause the second lever 11 to move relative to the first lever 10, which remains stationary, since the main air damper 6 is in the fully closed <5 position. Further movement of the second lever 11 will cause the movement of the third lever 13 and with it the fourth lever 17 with the axis 9, in connection with which the additional air damper 7 begins to move in the closing direction and at a given ambient temperature it will move to the position of completely closing the additional flow channel 3 (Fig. 2).
    Consequently, when a small 55 The decrease of ambient temperature SRI closes the main air valve 6, whereby during starting enriched mixture flowing into the main combustion chamber 44. When the ambient temperature is very low, the mixture is also enriched, which enters through an additional inlet duct 45 to the pre-chamber 46. Thus, the engine starts reliably at any low ambient temperature.
    After starting the engine, when it will have stable revolutions, the vacuum generated in the throttling spaces 31 and 40 of the flow channels 2 and 3 will cause a decrease in pressure in the working chambers 29 and 38. In this regard, the diaphragms 27 and 36 will move, overcoming the forces of the springs 28 and 37, in connection with which, through the rods 25 and 34, the first lever 10 and the fourth lever 17 will rotate. In this case, the main air damper 6 is rotated in the opening direction until the force of the spring 12 is balanced by the force from the diaphragm 27. The main air damper 6 is slightly open at an angle depending on the ambient temperature, and enrichment of the mixture entering the main chamber 44 is ensured.
    The fourth lever 17 by the rod 34 is rotated to the full open position of the additional air damper 7, since the force of the spring 18 is weaker than the force of the diaphragm 36. Therefore, the mixture entering the additional inlet ( path 45 returns to its original composition, i.e., enriched in - the limit, since the camera 46, due to its small size, quickly warms up and normal ignition of the charge contained in it from the spark of the candle 47 is ensured.
    I
    Since the main air damper 6 is ajar at a predetermined angle, the mixture in the main combustion chamber is enriched, so that the engine warms up during operation. As the engine warms up, the control element 22 warms up from the electric heater and moves the main air damper 6 to the fully open position. In this case, the second lever 11 becomes on the stop 41 and rotates the first lever 10, ensuring the opening of the main air gap and replacing the hinge 24 in the groove 23, and the diaphragm 27 is shifted into the body
    • 26 to the limit. With this mixture, do I do it ” The inlet tract 43 is leaner and efficiently burns fuel in the engine. Thus, the starting characteristics of the carburetor are improved.
    In the depicted in FIG. 3 of the carburetor embodiment, the control evil is made in the form of a manual control cable 48 connected by a hinge 49 to a second lever 11 having a groove 50 for the hinge 15 of the rod 14 and provided with a return spring 51, one 10 of which end 52 is fixed to the housing 1 and the second end 53 is connected with the second lever 10. The holding device of the additional air damper 7 is made in the form of a spring 54, one end , 5 55 of which is connected with the third lever 13, and the second end 56 is connected with the housing 1. Оо • Steel elements of the carburetor FIG. 3 are similar to the carburetor elements of FIG. 1 and 2. 20
    The operation of the carburetor of FIG. 3 occurs as follows.
    When the driver moves the main air damper with cable 48! 6 from the fully open position to the “ 3 · 1 fully closed position, the first and second levers move together, while the link 14 remains stationary, as the hinge 15 moves into the groove 50. After installing the main air damper 30 6 to the closing position and further movement of the cable 48 by the driver, the second lever 11 is moved relative to the first lever 1,0 and through the rod 14, the hinge 15 of which has passed the entire groove 35 50, moves the third lever 13, and with it the fourth lever 17 with additional air shutter 7 to the cover position her until its full-closure (figure 4). At the same time, the engine is started at low ambient temperatures. Otherwise, the operation of the carburetor of FIG. 3 is similar to the operation of the carburetor of FIG. 1. As the engine warms up, the driver is secured-45. Bakes manually ajar the main air damper 6.
    Thus, the proposed implementation of the carburetor for the internal combustion engine provides an improvement of 50 starting characteristics in a wide range of ambient temperatures.
    权利要求:
    Claims (3)
    [1]
    The invention relates to mechanical engineering, in particular to carburetors for two &amp; gatel internal combustion. Known carbureas for engine of internal combustion containing kopnyc with main and additional flow channels, which form mixing chambers, main and additional throttle dampers, ocHOBHyjo and additional air drifts located on axes in flow channels, the first lever, connected to the axis of the main air damper, the second lever connected to the control element and mounted rotatably on the axis of the main air damper, a spring connecting the first and second levers, the third lever, obfuscated on the axis of the additional air damper and the hinge pivotally connected with the second and third levers tl. However, in known carburetors, the main and additional air dampers are closed at the same time, therefore the starting characteristics of the carburetor are impaired. improvement of starting xapaKTejpHCTHK carburetors in a wide range of ambient temperatures; The goal is achieved by the fact that in a carburetor containing a body with main and additional flow channels forming Mixing chambers, main and additional throttle dampers, main and additional air dampers located on the axes in the flow channels, the first lever connected to the axis of the main air damper, the second lever connected to the control element and rotatable on the axis the main air damper, a spring connecting the first and second arms, a third lever placed on the axis of the additional air damper, and a rod articulated with the second and third arms, the second lever performed The possibility of angular displacement in the range exceeding the angular displacement of the first lever with the axle, and the additional damper is equipped with a holding device made with an axial fixation of the additional damper axis during rotation of the main damper. 1.1 hinges are made in the form of elements with one degree of freedom and when the main air damper is open, the longitudinal axis of the th g lies in the zone adjacent to the plane passing through the joint axis and the axis of rotation of the second lever. The holding device is made in the form of a spring, one end of which is connected with the third lever and the other with the carburettor body, the second lever having a groove for the free running of the hinge rod: In FIG. 1 shows the proposed carburetor for an internal combustion engine (the main air damper is closed and the secondary damper is open); in fig. 2 - the same, with a different position of the elements (the main and additional air dampers are closed); Fig. 3 shows a variant of the carburetor (the main damper is closed, the additional is open); Fig. 4 is the same, with a different arrangement of elements (the main and additional air connections are closed). The carburetor (FIG. 1) for the internal combustion engine comprises a housing 1 with primary and secondary flow channels 2 and 3 forming the mixing chambers, main and secondary throttle valves 4 and 5, main and additional air dampers 6 and 7 located on axles 8 and 9 in flow channels 2 and 3, the first lever 10 connected to the axis 8, the second lever 11 mounted rotatably on the axis 8 and connected to the first lever 10 by means of a spring 12, the third lever 13 placed on axes 9, and t gu 14, connected by means of hinges .15 and 16 respectively with the second and third levers 11 and 13. Axis 9 is rigid. connected to the fourth lever 17 connected to the third lever 13 by means of a spring 18. The second lever 11 is connected with a hinge 19 to a connecting rod 20 that is connected to the driving lever 21 of the control element 22, made in the form of a bimetallic spring. In the first lever 11 there is a groove 23 in which a hinge 24 of the stem 25 of a vacuum servo actuator is formed, which is formed by a housing element 26, a diaphragm 27 and a spring 28 and having a working chamber 29 connected via pipe 30 to the throttle space 31 of the main flow channel 2 17 has a groove 32 in which the hinge 33 of the stem 34 of the additional vacuum servo is installed, which is formed by the case element 35, m by an axle 36 and spring 37 and having a working chamber 38 connected via pipeline 39 to the back end The first space 10 has a stop 41, limiting the movement of the second lever 11, which is capable of angular movement in the range exceeding the angular movement of the first lever 10, and the hinges 15 and 16 are 14 with the degree of freedom and with the open arrangement of the main air damper 6, the longitudinal axis of the cable 14 lies in the zone adjacent to the plane passing through the axis of the hinge 15 and the axis of rotation of the second lever 11. The additional air damper 7 has A holding device with a spring 18 and a stop 42 formed on the third lever 13. The control element 22 has an electric heater (not shown). The main flow channel 2 is connected via the intake path 43 to the engine main chamber 44, and the additional flow passage 3 is connected to the prechamber 46, in which the spark plug 47 is installed, using the additional intake path 45. The carburetor works as follows. When the engine is running at the intake stroke from the main flow channel 2 to the main -. The combustion chamber 44 receives a lean fuel mixture, and to the prechamber 46 from the additional flow channel 3 a mixture enriched with fuel, the number of mixtures is controlled by throttle valves 4 and 5. During the combustion stroke, the enriched mixture in the chamber 46 is added the lean mixture from the main chamber 44, the combustion, and at the end of the combustion stroke the mixture in the prechamber 4-6 ignites from the spark from the ignition plug 47; in the United Nations combustion chamber 44, the lean mixture ignites the flame coming from the prechamber 46, which is connected to the main combustion chamber 44. At the same time, when the engine is running at operating thermal conditions, the main and additional air dampers 6 and 7 are installed in the fully open position with air flow in flow channels 2 and 3 and vacuum servo drives. When the engine is turned off, atmospheric pressure in the working chambers 29 and 38 of the servo drives, due to which lines 28 and 37 rods 25 and 34 are set in position so that their hinges 24 and 33 are located in the middle of the grooves 23 and 3 2. In this connection, the movement of the first lever 10 and the fourth lever 17 is unlimited. Therefore, when the control element 22, reacting to the low ambient temperature, is deformed and turns the actuating lever 21 clockwise, along with it through the pull 2.On "the hinge 19 rotates the second lever 11, and due to pressing the spring 12 against the stop 41k; The second lever 11 rotates the first lever Yu along with the main air valve 6 towards the closing side. In this case, the additional air damper 7 remains in the open position due to its fixation by the holding device. At a certain ambient temperature, the main air damper 6 will be set to the closed position, while the additional air damper 7 will be set to the full open position (Fig. 1). However, if the ambient air temperature drops, a further interchange of the string 20 will cause the second lever 11 to move relative to the first lever 10, which remains stationary, since the main air damper 6 is in the fully secured position. Further movement of the second lever 11 will cause the third lever 13 to move, and with it the fourth lever 17 with the axis 9, therefore the additional airbag 7 begins to move in the direction of closure and at a given ambient temperature it will move to the close position of the additional flow channel 3 (Fig. 2). Consequently, when the ambient air temperature is reduced, the main air 6 is closed, as a result of which the mixture entering the main combustion chamber 44 is exhausted during the start-up. When the ambient air temperature is very low, the mixture entering the optional intake tract 45 into fork 1 of Measure 46 is also enriched. Thus, the engine is reliably started at any low ambient temperature. After starting the engine, when it will have a steady speed, decompression, formed in the throttling spaces 31 and 40 of the flow channels 2 and 3, will cause a decrease in pressure in the working chambers 29 and 38. In connection with this aperture 27 and 36 is displaced, having overcome the forces of the springs 28 and 37, in connection with which, through the rods 25 and 34, the first pbraair 10 and the fourth lever 17 are rotated. At the same time, the main air damper 6 is turned in the direction of opening until the force of the spring 12 is balanced by the aperture from the diaphragm 27. The main air damper 6 opens slightly the angle depending on the ambient temperature and ensures the enrichment of the mixture entering the main chamber 44 The fourth lever 17 by the rod 34 rotates to the position of complete release of the additional air damper 7, since the force of the spring 18 is weaker than the force of the diaphragm 36. Therefore, the mixture flowing through the additional intake path 45 rotates to its original composition, ie, enriched at a predetermined limit, because the camera 46, due to its small size, warms up quickly and provides normal ignition of the charge in it from the spark plug 47. Since the main damper 6 is ajar at a given angle, the mixture in the main combustion chamber enriched, so that the engine with its pa6t. those are warming up. As the engine warms up, the control element 22 warms up from the electric heater and re-starts the main air damper 6 to the full open position. At the same time, the second lever 11 is placed on the stop 41 and turns the lever 1O, opening the main air valve to the shift 24 in the slot 23, and the diaphragm 27 is displaced inside the housing 26 to the limit a. At the same time, the mixture, which is available to the inlet of trust 43, impoverishes the fuel in the engine. In this way, the starting characteristics of the carburetor are improved. In the embodiment shown in FIG. In the third embodiment of the carburettor, the control unit is made in the form of a manual control cable 48 connected via a hinge 49 to a second lever 11 having a groove 50 for a hinge 15 tons 14 and fitted with a return spring 51, one end 52 of which is fixed to the housing 1 and the second end 53 is connected to the second lever 10. The holding device of the additional air damper 7 is made in the form of a spring 54, one end 55 of which is connected to the third lever 13 and the second end 56 is connected to the housing 1. Oo. carburettor elements in FIG. 3 are similar to the carburetor elements of FIG. 1 and 2: The operation of the carburetor of FIG. 3 npdkcxo reads as follows. When the driver moves with the help of the / cable 48 main air damper. 6. From the full open position to the full closed position, the first and second arms move together while the thrust 14 remains stationary, as the hinge 15 moves in the groove 50. After setting the main air head 6 to the closed position and Then the second lever 11 is moved relative to the first lever 1, O, and through cable 14, the hinge 15 of which has passed the entire groove 50, further mixes the third lever 13, and with it the fourth lever 17c with an additional air damper 7 to the cover position last to n It is completely closed (Fig. 4). The engine start is enabled at low ambient temperatures. Otherwise, the operation of the carburetor of FIG. 3 is similar to the operation of the carburetor of FIG. 1. As the engine warms up, the driver oboe. Provides a manual opening of the main air damper 6. Thus, the proposed implementation of the carburetor for an internal SGF-an engine provides an improvement in starting performance over a wide range of ambient temperatures. 90 2g. Formula Fig. 1 1. A carburetor for an internal combustion engine containing a body with an UN and an additional flow channels, forming the mixing chambers, the main and additional drooselnye flaps, the main and additional air flaps located on the axes in the flow channels, the first pb chag connected to the axis of the main air damper, a second lever connected to the control element and mounted rotatably on the axis of the main air damper, a spring connecting the first and second levers, a third lever located on the axis of the additional air damper, and t gu articulated with the second and third levers, differing in that which aims to improve the starting characteristics in a wide range of environmental temperatures, the second lever is capable of angular displacement in the range exceeding m is the displacement of the first lever with the axle, and the additional damper is equipped with a holding device, which is designed with the possibility of fixing the axle of the additional raised damper when the main damper rotates.
    [2]
    2. Carburetor according to claim 1, characterized in that the hinges of the rod are made as elements with one degree of freedom and when the main air damper is open, the longitudinal axis of the rod lies in the zone adjacent to the plane passing through the axis of the hinge and the axis of rotation second lever.
    [3]
    3. The carburetor of claim 1, dated iii, and in that the holding device is in the form of a spring, one end of which is connected to the third lever and the other to the carburetor body, and the second lever has a groove for free running hinge t gi. Sources of information taken into account during the examination 1. Patent for Application No. 2079548, cl. F O2 M 1 / OO, 1974.
    WLrul-iTfy //
      ff
    2
    类似技术:
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    同族专利:
    公开号 | 公开日
    FR2282050B1|1980-11-07|
    NL168031B|1981-09-16|
    ES440248A1|1977-03-01|
    AR211692A1|1978-02-28|
    CH587417A5|1977-04-29|
    JPS5332454B2|1978-09-08|
    DE2536388C2|1982-02-11|
    BR7505202A|1976-08-03|
    IT1044415B|1980-03-20|
    SE421721B|1982-01-25|
    BE832437A|1976-02-16|
    SE7509140L|1976-02-16|
    JPS5121034A|1976-02-19|
    AU8379575A|1977-02-10|
    NL168031C|1982-02-16|
    CA1036027A|1978-08-08|
    NL7509691A|1976-02-17|
    GB1523625A|1978-09-06|
    FR2282050A1|1976-03-12|
    US4026280A|1977-05-31|
    DD120512A5|1976-06-12|
    DE2536388A1|1976-03-04|
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    JPS5847945A|1981-09-16|1983-03-19|Taada:Kk|Hot water reserving type hot water supplier|
    JPS58119139U|1982-02-05|1983-08-13|
    GB2135735B|1983-02-26|1987-02-11|Lawrence Albert Robertson|Actuating carburettor choke valves|
    US6012420A|1997-12-30|2000-01-11|Briggs & Stratton Corporation|Automatic air inlet control system for an engine|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP9280974A|JPS5332454B2|1974-08-15|1974-08-15|
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