WO2014087478A1 - Soupape - Google Patents

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Publication number
WO2014087478A1
WO2014087478A1 PCT/JP2012/081354 JP2012081354W WO2014087478A1 WO 2014087478 A1 WO2014087478 A1 WO 2014087478A1 JP 2012081354 W JP2012081354 W JP 2012081354W WO 2014087478 A1 WO2014087478 A1 WO 2014087478A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve body
seal member
case
circumferential groove
Prior art date
Application number
PCT/JP2012/081354
Other languages
English (en)
Japanese (ja)
Inventor
隼 山▲さき▼
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 JP2014550826A priority Critical patent/JP5710081B2/ja
Priority to PCT/JP2012/081354 priority patent/WO2014087478A1/fr
Priority to CN201290001376.9U priority patent/CN205013805U/zh
Publication of WO2014087478A1 publication Critical patent/WO2014087478A1/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
    • 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
    • F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • 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).
  • an elastic member such as an O-ring is installed on the outer peripheral side of the bearing, and the bearing is brought into close contact with the valve shaft by an elastic force (for example, Patent Document 1).
  • the present invention has been made to solve the above-described problems, and an object thereof is to prevent the seal member from falling off without using a dedicated part.
  • 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 elastically deformable seal member, and the seal member is caught in the projecting portion in an elastically deformed state when the valve body attempts to move outside beyond the position where the valve body abuts the valve seat. The movement is restricted.
  • the seal member is elastically deformed and caught on the case protrusion, and the seal member and the valve body can be prevented from falling off.
  • FIG. 4 shows a valve closing state
  • FIG.4 (b) shows a valve opening state. It is a figure explaining the valve body of Embodiment 1, FIG.
  • FIG. 5 (a) is sectional drawing
  • FIG.5 (b) is A arrow directional view. It is the figure which expanded the part enclosed with the broken line in Fig.4 (a). It is a figure explaining the magnitude relationship of each part of the valve
  • FIG. It is a reference example for helping understanding of Embodiment 1, and is a figure explaining a mode that a seal member and a valve element drop from a case. It is a reference example for helping understanding of Embodiment 1, and is a figure explaining a mode that a seal member receives a supercharging pressure and bends.
  • Embodiment 1 It is a reference example for assisting understanding of Embodiment 1, and is a figure explaining a mode that a seal member falls from a valve body at the time of an assembly. It is a figure explaining the magnitude relationship of each part of the valve
  • FIG. 1 It is a reference example for assisting understanding of Embodiment 1, and is a figure explaining a mode that a seal member falls from a valve body at the time of an assembly. It is a figure explaining the magnitude relationship of each part of the valve
  • 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. 5A shows a cross-sectional view of the valve body 16, and FIG.
  • a pressure balance hole 16c for introducing a supercharging pressure into the valve body 16 is formed, and the supercharging pressure in the external space 22 is changed to the internal space.
  • the pressure before and after the valve body 16 is made equal.
  • FIG. 6 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.
  • the supercharged air introduced into the internal space 21 does not leak out of the case 1, and the pressure balance between the external space 22 and the internal space 21 does not collapse.
  • FIG. 7A shows the size relationship of each part of the air bypass valve 100.
  • the outer diameters D2 and D3 of the inner wall of the circumferential groove 16b of the valve body 16 are made smaller than the inner diameter D1 of the protruding portion 1b of the case 1 so that the valve body 16 opens the case 1. It is possible to reciprocate from the part 1a to the air bypass passage 108 side.
  • the outer diameter D4 of the seal member 18 is made larger than the inner diameter D1 of the protruding portion 1b so that the seal member 18 and the seal surface 1c abut all over the circumference when the valve is closed, thereby closing the gap between the case 1 and the valve body 16.
  • the inner diameter D5 of the case 1 is made larger than the outer diameter D4 of the seal member 18 so that the seal member 18 does not rub against the case 1 when the valve body 16 is operated, thereby preventing sliding friction and improving responsiveness. And the wear of the seal member 18 is suppressed.
  • FIGS. 9 and 10 described later are reference examples for helping understanding of the first embodiment, and are diagrams for explaining a case where the following dimensional relationship is not established.
  • the seal member 18 is configured to be caught by the protruding portion 1b in a state of being elastically deformed.
  • the seal member 18 is hooked on the protruding portion 1b to restrict the movement of the valve body 16, thereby preventing the seal member 18 itself and the valve body 16 from falling off.
  • the outer diameter D2 of the side wall of the circumferential groove 16b closer to the coil ASSY 5 than the seal member 18, the thickness L of the seal member 18, and the inner diameter D1 of the protrusion 1b are D2 + 2 ⁇ L>
  • the dimension of each part is set so that it may become the relationship of D1.
  • the seal member 18 is bent and caught in the gap between the outer diameter D2 of the side wall of the circumferential groove 16b and the inner diameter D1 of the protruding portion 1b.
  • the seal member 18 and the valve body 16 are prevented from falling off. Therefore, it is possible to prevent the valve body 16 from falling off as shown in FIG. 8 until the air bypass valve 100 is mounted on the air bypass passage 108, such as during transportation of the air bypass valve 100.
  • the seal member 18 is bent due to the supercharging pressure of the inner space 21, or when the valve assembly 14 is inserted into the case 1 as shown in FIG. 10, the seal member 18 is removed from the circumferential groove 16b.
  • the gap between the case 1 and the valve body 16 is preferably as small as possible. On the other hand, if this gap is too small, the seal member 18 is caught by the protruding portion 1b, and the valve ASSY 14 cannot be inserted into the case 1.
  • FIG. 11A shows an example of an air bypass valve 100 having a dimensional relationship of D2 + 2 ⁇ L> D1 and D3 + 2 ⁇ L ⁇ D1.
  • FIG. 11B shows the seal member 18 is bent and passes through the gap between the outer diameter D3 of the side wall of the circumferential groove 16b and the inner diameter D1 of the protruding portion 1b.
  • valve assembly 14 can be inserted into the case 1 while preventing the sealing member 18 from falling off as shown in FIG. Further, since the gap between the outer diameter D3 of the side wall of the circumferential groove 16b and the inner diameter D1 of the projecting portion 1b is small, the deflection of the seal member 18 as shown in FIG. 9 can be prevented and the sealing performance is improved. To do.
  • 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.
  • Elasticity having a seal diameter D4 that is smaller than the inner diameter D5 of the case 1 and larger than the inner diameter D1 of the protrusion 1b and closes the gap between the case 1 and the valve body 16 by contacting the seal surface 1c of the protrusion 1b at a position that contacts the seat 108a.
  • the annular seal member 18 is configured to include an annular seal member 18, and the seal member 18 protrudes in an elastically deformed state when the valve body 16 attempts to move outside beyond the valve closing position where the valve body 16 abuts the valve seat 108a. The movement is restricted by being caught by the part 1b.
  • the inner diameter D1 of the projecting portion 1b is configured to have a relationship of D2 + 2 ⁇ L> D1.
  • the outer diameter D3 of the side wall closer to the air bypass passage 108 than the seal member 18 on both side walls of the circumferential groove 16b, the thickness L of the seal member 18, and the inner diameter of the protruding portion 1b D1 was configured to have a relationship of D3 + 2 ⁇ L ⁇ D1. For this reason, the valve ASSY 14 can be inserted into the case 1 during assembly. Further, since the gap between the case 1 and the valve body 16 is small during operation, it is possible to prevent the seal member 18 from being bent.
  • the dimensional relationship between the case, the valve body, and the seal member is appropriately set so that the valve body does not fall off from the case due to the biasing force of the spring until it is mounted on the other side. Therefore, it is suitable for use in an air bypass valve mounted on an air bypass passage of a turbocharged engine mounted on a vehicle.

Abstract

Selon l'invention, une section en saillie (1b) est disposée sur toute la circonférence de la surface périphérique intérieure d'un carter (1). Une rainure circonférentielle (16b) est pratiquée sur toute la circonférence de la surface périphérique extérieure d'un corps (16) de soupape, un élément de joint d'étanchéité (18) annulaire est monté dans la rainure et l'élément de joint d'étanchéité (18) est amené en contact avec le siège (1c) de joint de la section en saillie (1b) quand une soupape est ouverte et un espace entre le carter (1) et le corps (16) de soupape est fermé. Étant donné que le diamètre extérieur (D2) de la paroi latérale de la rainure circonférentielle (16b) sur le côté de l'ensemble bobine (5) de l'élément de joint d'étanchéité (18), ladite paroi latérale étant une des deux parois latérales de la rainure circonférentielle, la longueur (L) de l'élément de joint d'étanchéité (18) et le diamètre intérieur (D1) de la section en saillie (1b) satisfont à la relation D2+2×L>D1, l'élément de joint d'étanchéité (18) est retenu sur la section en saillie (1b) et empêché de tomber.
PCT/JP2012/081354 2012-12-04 2012-12-04 Soupape WO2014087478A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014550826A JP5710081B2 (ja) 2012-12-04 2012-12-04 バルブ
PCT/JP2012/081354 WO2014087478A1 (fr) 2012-12-04 2012-12-04 Soupape
CN201290001376.9U CN205013805U (zh) 2012-12-04 2012-12-04 阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/081354 WO2014087478A1 (fr) 2012-12-04 2012-12-04 Soupape

Publications (1)

Publication Number Publication Date
WO2014087478A1 true WO2014087478A1 (fr) 2014-06-12

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ID=50882929

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/081354 WO2014087478A1 (fr) 2012-12-04 2012-12-04 Soupape

Country Status (3)

Country Link
JP (1) JP5710081B2 (fr)
CN (1) CN205013805U (fr)
WO (1) WO2014087478A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015055568A1 (fr) * 2013-10-14 2015-04-23 Continental Automotive Gmbh Soupape
DE102015225642A1 (de) * 2015-12-17 2017-06-22 Continental Automotive Gmbh Ventil
CN107850231A (zh) * 2015-08-13 2018-03-27 三菱电机株式会社 电磁阀
DE102017202511A1 (de) * 2016-12-22 2018-06-28 Continental Automotive Gmbh Ventil
WO2019121305A1 (fr) * 2017-12-18 2019-06-27 Continental Automotive Gmbh Soupape
CN110100129A (zh) * 2016-12-22 2019-08-06 Cpt集团有限责任公司 阀

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889602A (zh) * 2015-01-26 2016-08-24 王耀庭 一种涡轮增压器用新型电磁泄压阀
CN108701524B (zh) * 2016-04-08 2021-07-16 伊格尔工业股份有限公司 螺线管
US10060536B2 (en) * 2016-05-30 2018-08-28 Garrett Transportation I Inc. Turbocharger waste gate poppet valve with flexible sheet metal sealing member

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0176523U (fr) * 1987-11-10 1989-05-24
JPH0466471U (fr) * 1990-10-20 1992-06-11
JPH11257523A (ja) * 1998-03-16 1999-09-21 Ckd Corp 高圧電磁弁
JP2004162813A (ja) * 2002-11-13 2004-06-10 Ckd Corp 高圧電磁弁
CN101440876A (zh) * 2007-10-04 2009-05-27 G.卡梯埃技术公司 压力平衡的瓣阀
DE102008031738A1 (de) * 2008-07-04 2010-01-07 Pierburg Gmbh Schubumluftventil
JP2012154409A (ja) * 2011-01-26 2012-08-16 Mitsubishi Cable Ind Ltd 弾性シール

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0176523U (fr) * 1987-11-10 1989-05-24
JPH0466471U (fr) * 1990-10-20 1992-06-11
JPH11257523A (ja) * 1998-03-16 1999-09-21 Ckd Corp 高圧電磁弁
JP2004162813A (ja) * 2002-11-13 2004-06-10 Ckd Corp 高圧電磁弁
CN101440876A (zh) * 2007-10-04 2009-05-27 G.卡梯埃技术公司 压力平衡的瓣阀
DE102008031738A1 (de) * 2008-07-04 2010-01-07 Pierburg Gmbh Schubumluftventil
JP2012154409A (ja) * 2011-01-26 2012-08-16 Mitsubishi Cable Ind Ltd 弾性シール

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015055568A1 (fr) * 2013-10-14 2015-04-23 Continental Automotive Gmbh Soupape
CN107850231A (zh) * 2015-08-13 2018-03-27 三菱电机株式会社 电磁阀
CN107850231B (zh) * 2015-08-13 2019-01-01 三菱电机株式会社 电磁阀
DE102015225642A1 (de) * 2015-12-17 2017-06-22 Continental Automotive Gmbh Ventil
DE102017202511A1 (de) * 2016-12-22 2018-06-28 Continental Automotive Gmbh Ventil
CN110100129A (zh) * 2016-12-22 2019-08-06 Cpt集团有限责任公司 阀
US11168806B2 (en) 2016-12-22 2021-11-09 Vitesco Technologies GmbH Bypass valve piston seal arrangement
US11181204B2 (en) 2016-12-22 2021-11-23 Vitesco Technologies GmbH Valve
WO2019121305A1 (fr) * 2017-12-18 2019-06-27 Continental Automotive Gmbh Soupape
CN111480025A (zh) * 2017-12-18 2020-07-31 纬湃技术有限公司 阀

Also Published As

Publication number Publication date
JPWO2014087478A1 (ja) 2017-01-05
CN205013805U (zh) 2016-02-03
JP5710081B2 (ja) 2015-04-30

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