• 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:
    A flow control valve comprises a closure member (2) having a fluid passage there-through and a flow control device (6) disposed in the passage of the closure member which protrudes therefrom and which provides a variable degree of restriction dependent upon the degree to which the valve is opened. The closure member in combination with the flow control device provides an optimal restriction in the full range of valve settings with decreasing restriction as the valve is opened so that at the fully open position the flow control device does not significantly restrict the flow of fluid.
    公开号:SU1077581A3
    申请号:SU802867802
    申请日:1980-01-10
    公开日:1984-02-29
    发明作者:Бэи Роже
    申请人:роже Бэи (Франци )；
    IPC主号:
    专利说明:

    2. Crane according to claim 1, distinguished by the fact that the throttling elements are parallel to the axis of the rod.
    3. Crane POP.2, which is also distinguished by the fact that the holes of one throttling element are offset relative to the holes of the other throttling element.
    4. Crane pop.Z, which is also distinguished by the fact that in the direction of flow, the hole area of the first drive of the resetting element relative to the total area of the choking element is the smallest, and the remaining throttling elements are made with an increase in the specified areas.
    5. A crane according to claim 4, characterized in that the start of the placement of the openings on the throttling element is shifted towards the outlet of the flow of the working medium.
    6. The crane according to claim 1, characterized in that the throttling element is made in the form of a cylinder or part of a cylinder.
    7. Crane POP.1, characterized in that the throttling element in the direction of the flow channel is curved.
    8. Crane POP-1, characterized in that the throttling element is in the form of a spiral.
    9. Crane POP-1, characterized in that the throttling element is made in the form of a screen formed by rods or threads.
    This invention relates to a valve industry.
    A valve is known, comprising a housing with a through-passage, saddles interacting with a locking element made in the form of a plug of conical, cylindrical or spherical shape or in the form of a spherical segment, and with an internal surface corresponding to the outer surface of the locking element, the latter is provided with a stem installed perpendicularly the longitudinal axis of the passageway in the bearings and passing through the walls to the outside with the help of the gland and sealing, in the passageway of the locking element is placed one or several throttling elements, each of the throttling elements. performed with through holes U
    The disadvantage of the crane is that the throttling elements are arranged perpendicular to the flow direction when the valve is open and the flow is throttled even when the valve is in the fully open position .. I
    The purpose of the invention is to increase the throughput of the crane.
    This goal is achieved by the fact that in a valve comprising a housing with a flow channel, saddles interacting with a locking element made in the form of a plug of conical, cylindrical or q-shaped shape or in the form of a spherical segment, and with an inner surface / corresponding outer surface of the locking element, last
    provided with a rod installed perpendicular to the longitudinal axis of the passageway in the bearings and passing through the wall of the load using a gland and seal; in the passageway of the closure element one or several throttling elements are made with through holes, the size of each throttling element along the longitudinal axis of the throughput the channel is longer than the length of the passage of the locking member and less than the diameter of the outer surface of the locking element, and
    the locking element is installed with a gap relative to the inner surface of the housing.
    In addition, the throttling elements are parallel to the axis of the rod.
    The holes of one throttling element are offset relative to the holes of the other throttling element.
    In the direction of flow, the area of the holes of the first throttling element relative to the total area of the throttling element is the smallest, and the remaining throttling elements are made with an increase
    specified areas.
    The opening of the openings on the throttling element is shifted towards the exit of the working medium flow. In addition, the throttling element is designed as a cylinder or part of a cylinder, in the form of a spiral, or in the form of a screen formed by sticks or threads. The throttling element in the direction of the flow channel is curved.
    FIG. 1 shows a crane, general view; in fig. 2 - the same, longitudinal section; in fig. 3 - the same, with the valve fully open, in FIG. 4 shows an embodiment of a crane with throttling elements mounted parallel to the stem axis} in FIG. 5 is a variant in which the cross section of the inlet of the channel of the locking element is less than J of the outlet; in fig. b - an option in which the throttling elements placed in the passage channel of the locking element are made as part of a cylinder (side view from the side of the channel); in fig. 7 is a section A-A in FIG. 6; in fig. 8 is the same, in which the throttling element is designed in the form of a spiral) in FIG. 9 is a section BB in FIG. eight; in fig. 10 is an embodiment of the locking element in which the throttling element is designed as a combination of the above options (side view from the channel side); FIG. 11 is a section B-B of FIG. 10 in FIG. 12 shows an embodiment of the locking element in which the throttling element is designed as a screen formed by rods or threads (side view, from the side perpendicular to the center line of the channel) in FIG. 13 is a cross-section of the FIG. 12 in FIG. 14 is an embodiment of the locking element in which the throttling element is curved in the direction of the passageway.
    Crane (Fig.1-3) contains the housing 1 and the locking element 2, which is located inside the housing 1 and is made in the form of a tube having a spherical surface. In the locking element 2 there is a passage 3 with a diameter equal to the diameter of the holes of the through passage 4 of the crane located on both sides of the housing 1 on both sides of the stop 2, and the cross section of the passage is made in the form of a circle.
    Seats 5 are installed on both sides of the locking element 2, placed in the annular grooves of the housing 1. In the passage channel 3 of the locking element 2, a throttling element is rigidly fixed, made in the form of a plate 6 with through holes 7 located along its entire surface, the size the plate along the longitudinal axis of the passage channel 3 is longer than the length of the passage channel 3 and smaller than the diameter of the outer surface of the locking element 2. The locking element 2 is installed with a gap relative to the inner surface 8 of the housing 1, which and the corresponding outer surface of the closure element 2.
    The locking element 2 is equipped with a rod 9, installed perpendicular to the longitudinal axis of the passage channel 3 in the bearings. The valve body 9 is fitted with a device for sealing the rod 9, which consists of a set of sealing rings 10 and a gland 11.
    The plate b is parallel to the passage 3 of the shut-off valve.
    o element 2 and the axis of the rod 9.
    FIG. 4 shows a valve in which the throttling element consists of three parallel plates 6 that are spaced apart from each other.
    5 friend. The advantage of this arrangement is that the openings 7 of one plate b are offset relative to the openings of the other plate.
    If necessary, for example for compressible media, the openings 7 may
    It should be made so that the area of the holes on one plate along the flow is the smallest relative to the total area of the plates, and the specified area of the holes increases along the flow from the plate to the plate. The above means that the size of the holes 7 grow from plate to plate along the flow.
    0
    In high-pressure valves, especially for compressible media, the passage channel 3 in the closure member is formed as shown in FIG. 5, when the input cross section
    5 holes of channel 3 are smaller than the outlet of this channel. When this hole 7 on the input side of the plate b and the plates are smaller than on the side of the plate b from the output side
    0 channel 3..
    Crane works as follows.
    When the valve is moved from the closed position to the open position by turning the locking element 2 by means of
    5 of the rod 9, the throttling element in the form of a plate b substantially blocks the channel (Fig. 2) and almost the entire medium passing through the valve passes through the hole 7 in
    0 plate b. Only a small part seeps through the narrow gap between the ends of the plate b and the inner surface 8 of the valve body 1. The more the tap opens, the less
    5, the plate 6 introduces a throttling effect, since the part of the flow that passes by the plate b increases. When the valve is fully open, the plate b no longer interrupts the flow and, being located downstream, allows the crane to operate with almost maximum throughput,
    In the open position, effective cleaning from possible
    five
    impurities and solid particles of the plate b by the flow of the flowing medium,
    . Such a constructive implementation of the locking element allows you to create a crane, both of the seal of a certain
    throttling the flow without significantly affecting it with the valve fully open, but throttling the flow in the valve control range is necessary in the event that pressure losses are large.
    /
    L
    BUT
    A and
    Wt,
    S-ff
    FIG. at
    Phie. $
    (Reg. 10
    FIG. eleven
    v
    Yy
    Phi. 13
    权利要求:
    Claims (9)
    [1]
    1. CRANE comprising a housing with a passage channel, saddles interacting with a locking element made in the form of a conical, cylindrical or spherical tube or in the form of a spherical segment, and with an inner surface corresponding to the outer one. the surface of the locking element, the last one is equipped with a rod mounted perpendicular to the longitudinal axis of the passage channel, one or more throttling elements are placed in the passage channel passing through the gland, each of the throttling elements having through holes, characterized in that, in order to increase the throughput , the size of each throttling element along the longitudinal axis of the passage channel is greater than the length of the passage channel of the locking member and less than the diameter of the outer surface of the locking element <internal ι
    OOOO
    0 000
    00000> 0000
    FIG. 1 ι, moreover, the locking element with a gap relative to the surface of the housing.
    SU "1077581
    [2]
    2. The crane according to claim 1, characterized in that the throttling elements are parallel to the axis of the rod.
    [3]
    3. The crane according to claim 2, characterized in that the holes of one throttling element are offset from the holes of another throttling element.
    [4]
    4. Crane pop.Z, characterized in that in the direction of flow the area of the holes of the first throttling element relative to the total area of the throttling element is the smallest, and the remaining throttling elements are made with an increase in these areas.
    [5]
    5. Crane pop.4, characterized in that the beginning, the location of the holes on the throttling elecment is shifted towards the outlet of the working fluid flow.
    [6]
    6. The crane according to claim 1, characterized in that the throttling element is made in the form of a cylinder or part of a cylinder.
    [7]
    7. The crane according to claim 1, characterized in that the throttling element in the direction of the passage channel is made curved.
    [8]
    8. The crane according to claim 1, characterized in that the throttling element is made in the form of a spiral.
    [9]
    9. The crane according to claim 1, characterized in that the throttling element is made in the form of a screen formed by rods or threads.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1077581A3|1984-02-29|Valve
    EP0043188B1|1984-09-12|Method of attenuating fluid flow passing through a valve and a valve therefor
    US3712578A|1973-01-23|Controls for valves
    US4479510A|1984-10-30|Attenuating rotating valve having varying configurations
    US3821968A|1974-07-02|Control valve structure having double ports
    US3941350A|1976-03-02|Quieting means for a fluid flow control device using vortical flow patterns
    US5524863A|1996-06-11|Quarter turn rotatable flow control valve
    US4691894A|1987-09-08|Valve
    US5803119A|1998-09-08|Fluid flow control device
    US4774984A|1988-10-04|Low-noise plug valve
    US5311897A|1994-05-17|Rotary control valve with offset variable area orifice and bypass
    FI89301C|1993-09-10|VENTILANORDNING
    US3426797A|1969-02-11|Multiple orifice valve
    FI79184C|1989-11-10|STEERING SYSTEM VALVE.
    CA1267058A|1990-03-27|Rotary control valves with pressure reducing means
    US3208719A|1965-09-28|Rotary sleeve valves
    GB2034863A|1980-06-11|Adjustable fluid flow restrictor
    US2695036A|1954-11-23|Valve
    US5676348A|1997-10-14|Asymmetric seal segment configuration
    US6394135B2|2002-05-28|Balanced plug valve with contour wall
    US3951381A|1976-04-20|Disc valves
    US3409270A|1968-11-05|Variable orifice plug-type valve
    US6039076A|2000-03-21|High energy loss fluid control device
    US5437305A|1995-08-01|Flow control valve
    DE112015005687T5|2017-08-31|Valve device and exhaust heat recovery device
    同族专利:
    公开号 | 公开日
    EP0013601B1|1983-01-26|
    FI790084A|1980-07-11|
    DD148530A5|1981-05-27|
    US4610273A|1986-09-09|
    BR7908389A|1980-09-02|
    ES487531A0|1981-05-16|
    CS221959B2|1983-04-29|
    NO155308C|1987-03-11|
    AT2353T|1983-02-15|
    FI65656B|1984-02-29|
    DE3061697D1|1983-03-03|
    FI65656C|1984-06-11|
    MX150318A|1984-04-16|
    JPS6244147B2|1987-09-18|
    CA1128489A|1982-07-27|
    EP0013601A1|1980-07-23|
    NO155308B|1986-12-01|
    ES8105079A1|1981-05-16|
    NO794258L|1980-07-11|
    US4530375A|1985-07-23|
    JPS5594065A|1980-07-17|
    引用文献:
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    DE1200688B|1958-11-06|1965-09-09|Zulauf & Cie K G|Jet pipe for fire extinguishing purposes|
    FR1498325A|1966-04-29|1967-10-20|Adjustable flow ball valve|
    US3826281A|1969-10-29|1974-07-30|Us Navy|Throttling ball valve|
    US3630229A|1970-04-09|1971-12-28|Us Navy|Quiet fluid flow regulator|
    DE2352370A1|1973-10-18|1975-04-30|Tour Agenturer Ab|Cylindrical plug valve has fixed perforated bush - in body, surrounding rotatable hollow plug with perforated walls|
    BE806674A|1973-10-29|1974-02-15|Tour Agenturer Ab|VALVE SYSTEM|
    DE2359717C2|1973-11-30|1982-10-28|Gulde-Regelarmaturen-Kg, 6700 Ludwigshafen|Valve with swiveling throttle body|
    US3906999A|1974-11-29|1975-09-23|Masco Corp|Liquid valve|
    US4226263A|1978-08-14|1980-10-07|Valve Concepts International|Erosion control trim in a control mechanism for a ball valve|
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    FI70744C|1980-07-01|1986-10-06|Roger Bey|VENTIL|
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    JPS63297874A|1987-05-29|1988-12-05|Tokyo Tatsuno Co Ltd|Flow control ball valve|
    FI79184C|1988-01-04|1989-11-10|Neles Oy|STEERING SYSTEM VALVE.|
    US4922716A|1988-01-13|1990-05-08|Cincinnati Milacron Inc.|Throttled exhaust outlet to reservoir for reducing noise resulting from release hydraulic pressure surges|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI790084A|FI65656C|1979-01-10|1979-01-10|VENTIL|
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