WO2014068765A1 - Vanne - Google Patents

Vanne Download PDF

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Publication number
WO2014068765A1
WO2014068765A1 PCT/JP2012/078482 JP2012078482W WO2014068765A1 WO 2014068765 A1 WO2014068765 A1 WO 2014068765A1 JP 2012078482 W JP2012078482 W JP 2012078482W WO 2014068765 A1 WO2014068765 A1 WO 2014068765A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve body
valve
case
seal member
seal
Prior art date
Application number
PCT/JP2012/078482
Other languages
English (en)
Japanese (ja)
Inventor
義典 伊藤
清隆 西野
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2012/078482 priority Critical patent/WO2014068765A1/fr
Publication of WO2014068765A1 publication Critical patent/WO2014068765A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F02B37/16—Control of the pumps by bypassing charging air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • This invention relates to a valve used for an air bypass valve or the like provided in an intake system of an engine with a turbocharger (supercharger).
  • the conventional valve is concerned about wear of the seal member because the seal member and the sliding portion are rubbed when the valve body is operated. Since the seal surface is reduced by wear of the seal member, there is a problem that fluid leakage increases with wear of the seal member.
  • the present invention has been made to solve the above-described problems, and aims to improve responsiveness and reduce the amount of seal member wear while reducing the amount of fluid leakage when fully closed. To do.
  • the valve according to the present invention accommodates a valve body driving portion inside, a case in which an opening is formed at a position facing the valve seat of an external fluid passage, and a valve body driving portion driven from the case opening.
  • a valve body that reciprocates to the fluid passage side, abuts against and separates from the valve seat, and a projecting portion that protrudes from the inner peripheral surface of the case over the entire circumference, and a surface facing the valve body drive unit side is a seal surface;
  • an annular seal member is provided.
  • the valve according to the present invention accommodates a valve body driving portion inside, a case in which an opening is formed at a position facing the valve seat of an external fluid passage, and a valve body driving portion driven from the case opening.
  • Mounted on the inner peripheral surface of the case the valve body contacts the seal surface of the protrusion at the position where it contacts the valve seat and closes the gap between the case and the valve body.
  • the outer diameter of the protrusion is larger than the outer diameter of the valve body And an annular seal member having a small inner diameter.
  • the annular seal member mounted on the outer peripheral surface of the valve body has an outer diameter smaller than the inner diameter of the case and larger than the inner diameter of the projecting portion, so that the seal member seals the projecting portion when the valve is closed. Since it contacts the surface and closes the gap between the case and the valve body, the amount of fluid leakage can be reduced. In addition, since the seal member does not contact the case and does not rub during operation of the valve body, the responsiveness can be improved and the wear of the seal member can be reduced.
  • the annular seal member mounted on the inner peripheral surface of the case has an inner diameter that is larger than the outer diameter of the valve body and smaller than the outer diameter of the protruding portion, so that the seal member protrudes when the valve is closed. Since the gap between the case and the valve element is closed by abutting against the sealing surface, the amount of fluid leakage can be reduced. Further, since the seal member does not come into contact with the valve body and does not rub during the operation of the valve body, the responsiveness can be improved and the wear of the seal member can be reduced.
  • FIG. 4 (a) shows a valve closing state
  • FIG.4 (b) shows a valve opening state. It is the figure which expanded the part enclosed with the broken line in Fig.4 (a).
  • FIG. It is a figure explaining the magnitude relationship of each part of the valve
  • FIG. It is a reference example for helping an understanding of this Embodiment 1, and is sectional drawing which shows the structure of the valve
  • bulb which concerns on Embodiment 2 of this invention is shown, Fig.8 (a) is sectional drawing, FIG.8 (b) is an enlarged view.
  • bulb which concerns on Embodiment 3 of this invention is shown, Fig.9 (a) is sectional drawing, FIG.9 (b) is an enlarged view.
  • FIG.10 (a) is sectional drawing
  • FIG.10 (b) is an enlarged view. It is a figure explaining the magnitude relationship of each part of the valve
  • FIG. 10 is an enlarged view showing a modified example of the valve according to Embodiment 3.
  • Embodiment 1 FIG.
  • a bracket 2 is attached to the outer peripheral surface of a cylindrical case 1 by welding. Further, the plate 3, the O-ring 4, the coil ASSY 5, the O-ring 6 and the core 7 are inserted in this order from one opening of the case 1 to the inside, and the opening is caulked. Thereby, an internal component is hold
  • a protruding portion 1 b is projected from the inner peripheral surface of the other opening 1 a of the case 1.
  • the coil assembly 5 is formed by winding the coil 9 around the bobbin 8, connecting the coil 9 and the terminal 10 by fusing, covering the bobbin 8, the coil 9, and the terminal 10 with the exterior resin 11, and molding the coil 9. Has been. Further, by molding the exterior resin 11, a connector 11a connected to the vehicle side is formed.
  • valve assembly 14 After caulking the case 1, the pipe 12, the spring 13, and the valve ASSY 14 are inserted in this order from the opening 1a of the case 1 into the inside.
  • the valve assembly 14 inserts a cylindrical valve body 16 and a washer 17 into one end of the plunger 15 in this order, and holds the partition plate 16a and the washer 17 of the valve body 16 on the plunger 15 by caulking. It is formed by attaching an annular seal member 18 to a circumferential groove 16b formed on the outer peripheral surface of 16.
  • an O-ring 19 that secures airtightness with the vehicle side is attached to the outer periphery of the case 1, and the electric control type valve 100 is completed.
  • the valve 100 is attached to the vehicle side with the following screws that pass through the screw holes 2a of the bracket 2. Further, the O-ring 19 ensures airtightness between the valve 100 and the vehicle side. Further, the vehicle-side connector and the connector 11a of the valve 100 are connected.
  • one opening portion of the cylindrical case 1 is closed by the valve body driving portion such as the coil ASSY 5 and the core 7 to form the internal space 21.
  • a pressure balancing hole 16 c for communicating the internal space 21 and the external space 22 is formed in the partition plate 16 a of the valve body 16 that partitions the internal space 21 and the external space 22 of the case 1.
  • an electrically controlled valve 100 is attached to an air bypass passage (fluid passage) 108 connecting the upstream side and the downstream side of the compressor 101a of the turbocharger 101. Used as an air bypass valve.
  • the valve 100 is referred to as an air bypass valve 100.
  • the throttle valve 104 of the intake passage 103 When the accelerator shown in FIG. 2 is ON, the throttle valve 104 of the intake passage 103 is open, and the air compressed by the compressor 101 a of the turbocharger 101 (hereinafter referred to as supercharged air) flows through the intercooler 105 and is carried to the engine 102. . At this time, the air bypass valve 100 is closed.
  • a turbine 101b is mounted on the same axis as the compressor 101a. When the exhaust gas of the engine 102 flows through the exhaust passage 106 and rotates the turbine 101b, the compressor 101a also rotates.
  • the exhaust passage 106 is provided with a waste gate valve 107 for adjusting the pressure of the exhaust gas.
  • the throttle valve 104 When the accelerator shown in FIG. 3 is OFF, the throttle valve 104 is closed and the supercharged air is accumulated in the intake passage 103. If the supercharged air is accumulated, the turbocharger 101, the engine 102, and the intake passage 103 may be damaged. Therefore, the air bypass valve 100 is opened and the air bypass passage 108 is communicated. From the downstream side of the compressor 101a to the upstream side.
  • the air bypass valve 100 is attached to the piping of the air bypass passage 108 on the vehicle side with screws 20.
  • a vehicle-side power supply 109 is connected to the connector 11 a of the air bypass valve 100.
  • part of the inner surface of the air bypass passage 108 is a valve seat 108a.
  • This air bypass valve 100 uses the principle of an electromagnetic valve. As shown in FIG. 4B, when the power source 109 is turned on, a current flows to the coil 9 through the terminal 10, the inside of the coil ASSY 5 becomes an electromagnet, and the plunger 15 Suctioned to the core 7 side. When the plunger 15 moves to the core 7 side while being guided by the pipe 12, the valve ASSY 14 attached to the plunger 15 is operated, and the valve body 16 is separated from the valve seat 108a so that the supercharged air is moved to the intake side. Let it go. When the power supply 109 is turned off, as shown in FIG. 4A, the valve ASSY 14 is urged by the spring 13 to keep the valve body 16 pressed against the valve seat 108a, and the air bypass passage 108 is closed. The
  • FIG. 5 is an enlarged view of a portion surrounded by a broken line in FIG. 4A, and shows a state in which the valve ASSY 14 is closed when the accelerator is ON.
  • the supercharging pressure is applied to the lower surface of the valve body 16.
  • the supercharged air in the external space 22 flows into the internal space 21 through the pressure balance hole 16 c and presses the seal member 18, thereby pressing the seal.
  • the member 18 is in close contact with the seal surface 1c of the protruding portion 1b over the entire circumference, closing the gap between the case 1 and the valve body 16, and reducing the amount of leakage from this gap.
  • FIG. 6 shows the size relationship of each part of the air bypass valve 100.
  • the outer diameter of the end face of the valve body 16 on the external space 22 side that receives the supercharging pressure of the supercharged air flowing through the air bypass passage 108 is defined as the valve body lower diameter A and flows into the internal space 21.
  • the outer diameter of the end face of the valve body 16 on the internal space 21 side that receives the supercharging pressure of the supercharged air is the valve body upper diameter B, and the sealing member 18 that receives the supercharging pressure of the supercharged air that has flowed into the internal space 21.
  • the outer diameter of this is the seal diameter C.
  • the seal member 18 When the seal member 18 is composed of a rigid body (resin or the like) having high hardness, the supercharging pressure pushes up the valve body 16 from below by setting the relation of the valve body lower diameter A ⁇ the seal diameter C. In comparison, the force that presses the valve body 16 and the seal member 18 from the upper side becomes larger as the supercharging pressure increases, so that the valve body 16 that has received the supercharging pressure in the air bypass passage 108 resists the biasing force of the spring 13. Do not open. Moreover, since the sealing member 18 receives the supercharging pressure of the internal space 21 and is pressed against the sealing surface 1c, the amount of leakage from the gap between the sealing member 18 and the sealing surface 1c can be reduced.
  • the sealing member 18 when the sealing member 18 is formed of an elastic body (silicon rubber or the like) having low hardness, the supercharging pressure causes the valve body 16 to be set by setting the relationship of the valve body lower diameter A ⁇ valve body upper diameter B. Compared with the force that pushes up from the lower side, the force that pushes the valve body 16 from the upper side becomes larger than the force that pushes the valve body 16 from the upper side. Therefore, the valve body 16 that receives the boost pressure in the air bypass passage 108 resists the urging force of the spring 13. Then do not open the valve. Further, similarly to the above, since the seal member 18 receives the boost pressure of the internal space 21 and is pressed against the seal surface 1c, the amount of leakage from the gap between the seal member 18 and the seal surface 1c can be reduced.
  • FIG. 7A is a partial cross-sectional view showing a valve closed state and a valve open state of the valve ASSY 14, and FIG. 7B is an enlarged view of a portion surrounded by a broken line.
  • the seal member 30 is attached to the protruding portion 1 b that protrudes from the inner peripheral surface of the case 1.
  • the seal member 30 has a seal lip 30 a that protrudes radially inward and abuts against the outer peripheral surface of the valve body 16.
  • the supercharged air that has flowed from the pressure balance hole 16c presses the seal lip 30a against the outer peripheral surface of the valve body 16, so that the seal lip 30a is activated when the valve body 16 is operated (when the accelerator is OFF). Rubs against the valve body 16 to form sliding resistance, and the responsiveness deteriorates. Further, since the seal lip 30a and the valve body 16 are rubbed, there is a concern about the wear of the seal lip 30a. When the seal lip 30a is worn, the seal surface decreases, and the amount of leakage from between the seal lip 30a and the valve body 16 increases.
  • the seal member 18 since the seal member 18 is directly attached to the movable valve body 16, the seal member 18 and the valve body 16 may be rubbed when the valve body 16 is operated (when the accelerator is OFF). Absent. Further, as shown in FIG. 6, since the seal diameter C, which is the outer diameter of the seal member 18, is smaller than the inner diameter D of the case 1, the seal member 18 does not rub against the case 1 when the valve body 16 is operated. Therefore, sliding friction does not occur when the valve body 16 is operated, and the responsiveness is improved. Further, the seal member 18 is not worn, and the amount of leakage from between the seal member 18 and the valve body 16 is stabilized.
  • seal diameter C of the seal member 18 is made larger than the inner diameter E of the protruding portion 1b, the seal member 18 and the seal surface 1c come into contact with each other when the valve is closed, and the gap between the case 1 and the valve body 16 is closed.
  • the seal member 30 of the reference example requires a long installation space in the axial direction for the seal lip 30a.
  • the seal member 18 of the first embodiment can reduce the installation space in the axial direction, the air bypass valve A reduction in size in the axial direction of 100 is possible.
  • the air bypass valve 100 accommodates the valve body drive unit such as the core 7 and the coil ASSY 5 inside, and opens at a position facing the valve seat 108a of the external air bypass passage 108.
  • the case 1 in which the portion 1a is formed, the valve body 16 that reciprocates from the opening 1a of the case 1 to the air bypass passage 108 side and contacts and separates from the valve seat 108a, and the inner peripheral surface of the case 1 A projecting portion 1b that protrudes over the circumference and faces the valve body drive unit side of the case 1 is a seal surface 1c, and is mounted on the outer peripheral surface of the valve body 16 so as to be reciprocally moved integrally.
  • the valve body 16 communicates the internal space 21 and the external space 22 of the case 1 partitioned by the valve body 16, and introduces supercharged air from the external space 22 to the internal space 21.
  • the seal member 18 is configured to be pressed against the seal surface 1c under the pressure of the supercharged air introduced into the internal space 21. For this reason, the clearance gap between the sealing member 18 and the sealing surface 1c can be sealed, and the amount of leakage can be reduced.
  • the valve body lower diameter B is made smaller than the seal diameter C, so that the valve that has received the boost pressure of the air bypass passage 108 It is possible to prevent the body 16 from opening against the urging force of the spring 13.
  • the valve body lower diameter B is made smaller than the valve body upper diameter A, so that the supercharging pressure of the air bypass passage 108 is reduced.
  • the received valve body 16 can be prevented from opening against the urging force of the spring 13.
  • FIG. FIG. 8A is a cross-sectional view illustrating the seal member 18 of the air bypass valve 100 according to the second embodiment
  • FIG. 8B is an enlarged view of a portion surrounded by a broken line.
  • the seal member 18 attached to the outer peripheral surface of the valve body 16 has a rib 18a at a portion that abuts on the seal surface 1c.
  • the seal member 18 and the seal surface 1c are in surface contact over the entire circumference.
  • the rib 18a and the seal surface 1c are in line contact over the entire circumference, so that the sealing performance is improved. To do.
  • the seal member 18 since the seal member 18 has the rib 18a, the sealing performance is improved, and the leakage amount of the supercharged air can be further reduced.
  • the rib 18a may be formed not on the seal member 18 but on the seal surface 1c of the case 1.
  • FIG. 9A is a cross-sectional view illustrating the seal member 18 of the air bypass valve 100 according to the third embodiment, and FIG. 9B is an enlarged view of a portion surrounded by a broken line.
  • FIG. 10A is a cross-sectional view illustrating a modification of the seal member 18 of the air bypass valve 100 according to the third embodiment, and FIG. 10B is an enlarged view of a portion surrounded by a broken line.
  • FIG. FIG. 11 is a diagram for explaining the size relationship of each part of the air bypass valve 100 according to the third embodiment. 9 to 11, the same or corresponding parts as those in FIGS. 1 to 6 are denoted by the same reference numerals and the description thereof is omitted.
  • the seal member 18 shown in FIG. 9 or FIG. 10 is mounted on the inner peripheral surface of the case 1 and is hooked on the protruding portion 1b.
  • a protrusion 16d is provided on the outer peripheral surface of the valve body 16 over the entire periphery, and the surface of the protrusion 16d facing the opening 1a is a seal surface 16e.
  • the sealing surface 16e of the valve body 16 comes into close contact with the seal member 18, thereby reducing the amount of leakage from the gap between the case 1 and the valve body 16.
  • the seal member 18 is sealed when the valve is closed. While contacting the surface 16e, the gap between the case 1 and the valve body 16 can be closed. On the other hand, when the valve body 16 is operated, the seal member 18 and the valve body 16 are not rubbed. Does not wear.
  • a rib 18 a may be formed on the seal member 18.
  • the rib 18 a may be formed on the sealing surface 16 e of the valve body 16.
  • the air bypass valve 100 accommodates the valve body drive unit such as the coil ASSY 7 and the core 7 inside, and opens at a position facing the valve seat 108a of the external air bypass passage 108.
  • the case 1 in which the portion 1 a is formed the valve body 16 that reciprocates from the opening 1 a of the case 1 toward the air bypass passage 108, contacts and separates from the valve seat 108 a, and the outer peripheral surface of the valve body 16 A protrusion 16d that protrudes over the circumference and faces the opening 1a of the case 1 becomes a seal surface 16e, and is mounted on the inner peripheral surface of the case 1 and protrudes at a position where the valve body 16 contacts the valve seat 108a.
  • An annular seal member 18 having an inner diameter that is larger than the outer diameter of the valve body 16 and smaller than the outer diameter of the projecting portion 16d, closes the gap between the case 1 and the valve body 16 by contacting the seal surface 16e of the portion 16d. Form was. For this reason, when the valve is opened, the seal member 18 abuts against the seal surface 16e of the protruding portion 16d to close the gap between the case 1 and the valve body 16, thereby reducing the amount of supercharged air leakage. Further, since the seal member 18 does not rub against the valve body 16 when the valve body 16 is operated, the responsiveness can be improved and the wear of the seal member 18 can be reduced.
  • the seal member is installed in one of the case and the direct-acting valve body, the seal surface is formed on the other, and the seal member and the seal surface are closed when the valve is closed. Is used to close the gap between the case and the valve body, which is suitable for use in an air bypass valve of an engine with a turbocharger.

Abstract

Selon l'invention, une partie saillante (1b) est disposée de façon à faire saillie autour de la totalité de la périphérie de la surface périphérique interne d'un boîtier (1). Un élément de joint d'étanchéité annulaire (18) est monté sur la surface périphérique externe d'un élément de vanne (16), l'élément de joint d'étanchéité (18) est amené en contact avec une face d'étanchéité (1c) de la partie saillante (1b) quand la vanne est fermée, et un espace entre le boîtier (1) et l'élément de vanne (16) est rempli. Quand l'élément de vanne (16) fonctionne, l'élément de joint d'étanchéité (18), qui est apte à se déplacer d'un seul tenant avec l'élément de vanne (16), ne frotte pas contre le boîtier (1), ce par quoi une résistance au coulissement et une abrasion ne se produisent pas.
PCT/JP2012/078482 2012-11-02 2012-11-02 Vanne WO2014068765A1 (fr)

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PCT/JP2012/078482 WO2014068765A1 (fr) 2012-11-02 2012-11-02 Vanne

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CN105351079A (zh) * 2014-08-21 2016-02-24 大陆汽车电子(芜湖)有限公司 用于电子阀的阀芯和包括该阀芯的电子阀
WO2016041743A1 (fr) * 2014-09-19 2016-03-24 Pierburg Gmbh Soupape électromagnétique pour moteur à combustion interne
KR20170036809A (ko) * 2014-09-19 2017-04-03 피어불그 게엠베하 내연기관의 컴프레서를 위한 오버런 에어 재순환 밸브
KR20170041271A (ko) * 2014-09-19 2017-04-14 피어불그 게엠베하 오버런 에어 재순환 밸브를 위한 조정 요소
WO2017216957A1 (fr) * 2016-06-17 2017-12-21 三菱電機株式会社 Soupape de dérivation d'air
WO2018114927A1 (fr) * 2016-12-22 2018-06-28 Continental Automotive Gmbh Vanne
WO2018114529A1 (fr) * 2016-12-22 2018-06-28 Continental Automotive Gmbh Vanne
WO2018123020A1 (fr) * 2016-12-28 2018-07-05 三菱電機株式会社 Électrovanne
KR101882686B1 (ko) * 2017-03-28 2018-07-27 캄텍주식회사 솔레노이드 밸브
US10041396B2 (en) 2014-09-19 2018-08-07 Pierburg Gmbh Overrun air recirculation valve for a compressor of an internal combustion engine
KR20180136035A (ko) * 2017-06-13 2018-12-24 주식회사 유니크 압축공기 재순환 밸브
WO2018233905A1 (fr) * 2017-06-19 2018-12-27 Robert Bosch Gmbh Soupape de dosage
WO2019121306A1 (fr) * 2017-12-18 2019-06-27 Continental Automotive Gmbh Soupape
WO2019234722A1 (fr) * 2018-06-09 2019-12-12 Padmini Vna Mechatronics Pvt. Ltd. Soupape de décharge avec bague d'étanchéité interne à deux axes
US10584802B2 (en) 2014-08-21 2020-03-10 Continental Automotive Gmbh Valve core for an electronic valve

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JP2009525424A (ja) * 2006-02-02 2009-07-09 ボーグワーナー・インコーポレーテッド ターボチャージャ
US20090301081A1 (en) * 2005-10-29 2009-12-10 Pierburg Gmbh Ambient-air pulsed valve for internal combustion engines equipped with a turbocharger
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Publication number Priority date Publication date Assignee Title
US4514710A (en) * 1982-02-01 1985-04-30 Conrad Richard A Electromagnetic actuator
GB2338050A (en) * 1998-06-02 1999-12-08 Wabco Automotive Uk Pressure balanced solenoid valve
DE102004044439A1 (de) * 2004-09-14 2006-04-06 A. Kayser Automotive Systems Gmbh Abblaseventil für einen Turbolader
EP1717501A1 (fr) * 2005-04-28 2006-11-02 Carl Freudenberg KG Soupape
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