EP3724542A1 - Soupape - Google Patents

Soupape

Info

Publication number
EP3724542A1
EP3724542A1 EP18826226.5A EP18826226A EP3724542A1 EP 3724542 A1 EP3724542 A1 EP 3724542A1 EP 18826226 A EP18826226 A EP 18826226A EP 3724542 A1 EP3724542 A1 EP 3724542A1
Authority
EP
European Patent Office
Prior art keywords
piston
valve
pressure
solenoid
valve according
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP18826226.5A
Other languages
German (de)
English (en)
Inventor
Rosario Bonanno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitesco Technologies GmbH
Original Assignee
Vitesco Technologies GmbH
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 Vitesco Technologies GmbH filed Critical Vitesco Technologies GmbH
Publication of EP3724542A1 publication Critical patent/EP3724542A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F16K31/0686—Braking, pressure equilibration, shock absorbing
    • F16K31/0693—Pressure equilibration of the armature
    • 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
    • F16K31/0603—Multiple-way valves
    • F16K31/0606—Multiple-way valves fluid passing through the solenoid coil
    • 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
    • F16K31/0651—One-way valve the fluid passing through the solenoid coil
    • 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
    • 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
    • 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
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87877—Single inlet with multiple distinctly valved outlets

Definitions

  • the invention relates to a valve comprising a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin and a spring, which acts on the piston against the force of the solenoid.
  • valves are used inter alia as a diverter valve on the turbocharger in motor vehicles and are thus known.
  • rapid opening and closing of the valve is an essential prerequisite.
  • when closing it depends on the immediate closing Ver by the application of the piston to a valve seat.
  • the valve seat separates a region of higher pressure from a region of lower pressure.
  • the piston is moved by a spring against the higher pressure. Accordingly, the spring must be strong.
  • opening is moved away from the valve seat by the magnetic force of the solenoid coil.
  • a sufficient magnetic force is required, which is achieved by an appropriate dimensioning of the coil.
  • the disadvantage here is that such a valve has a correspondingly large-sized solenoid due to the coil size.
  • the invention is therefore an object of the invention to provide a valve with smaller dimensions.
  • the valve should be kos ten gallery.
  • valve has means for pressure-assisted movement of the piston.
  • valve according to the invention arranged means for pressure-assisted movement of the piston use the pressure applied to the valve such that the pressure force generated by the pressure supports a direction of movement of the piston.
  • the pressure force is in a direction of movement to provide a smaller force through the valve be.
  • the corresponding components of the valve can thus be dimensioned smaller.
  • the valve according to the invention therefore requires less space and has a lower weight.
  • the solenoid is designed to open the valve and the means for pressure-assisted movement of the piston assist the magnetic force of the solenoid.
  • Such a configuration allows a clear Redu cation of the coil size. Since the coil is one of the largest components of the valve, the advantages come in this embodiment particularly significant.
  • the pressure for moving the piston may be provided by an external pressure source and supplied to the valve. According to another embodiment, corresponding connection lines can be dispensed with if the pressure which is used to move the piston, to which the valve is exposed, is preferably the pressure which bears against one side of the valve seat.
  • the pressure used to move the piston is in the region of higher pressure. Since this pressure system-related always applied, additional printer-generating measures are not required.
  • the means for pressure-assisted moving comprise a second piston with a valve seat, wherein the second piston is arranged on the pin and at a distance from the first piston, preferably at the notedlie ing end of the pin.
  • the arrangement of a second piston with an associated valve seat provides a inexpensive and easy to manufacture design that only slightly increase the cost of the valve.
  • the application of the second piston with the higher pressure is particularly simple if a pressure path for the higher pressure from the higher pressure region through the first piston and along the pin to the second piston is formed. Elaborate pressure line can thus be avoided. Such a pressure path can be produced by corresponding equalization holes or larger diameter in the area of the pin without much additional effort.
  • valve seat of the second piston comprises a first part valve seat and a second part valve seat
  • piston has two cooperating with the part valve seats sealing surfaces, both sealing surfaces have different diameters, and both sealing surface are axially spaced from each other in that the smaller diameter sealing surface is located closer to the first piston.
  • This arrangement causes the higher pressure initially acts only on the area with the sealing surface of smaller diameter. The smaller area acts a smaller force, which reduces the holding force of the valve in the closed position. The spring, which applies this holding force, can therefore be made smaller.
  • the sealing surface of smaller diameter of the Moved valve seat so that the higher pressure now acts on the sealing surface of larger diameter. Due to the larger area, a larger force acts to assist the solenoid during the remaining opening movement of the valve.
  • the two part valve seats are formed by a pot-like cylindrical bore, wherein the first part valve seat is disposed in the bottom region of the bore and the second part valve seat is formed in the cylindrical surface of the bore.
  • the first part valve seat in the bottom area causes it with an axial movement of the pin when opening immediately comes to lifting the sealing surface of smaller diameter and the pressure acts on the piston surface with the sealing surface of larger diameter.
  • This sealing surface is advantageously arranged on the circumference of the second piston and cooperates with the second part valve seat forming cylindrical wall of the bore.
  • the higher pressure is reduced before closing the valve.
  • the pressure reduction takes place in that the cylindrical bore extending in the radial direction has extension such that the second sealing surface of the second piston has a distance from the lateral surface in the region of the extension. If the pin moves in the open position, a pressure reduction of the higher pressure takes place via this opening gap.
  • the pressure reduction can already take place without additional effort by utilizing the pressure gradient existing in the system.
  • the extension is simple and inexpensive to produce, if they are designed as bevel or radius.
  • the pressure reduction can be set specifically over the axial length of the extension. It has proven to be advantageous if the extension is arranged at a distance from the bottom region of the pot-shaped cylindrical bore, which is at least half, preferably 75 percent, in particular 5 percent of the opening stroke of the valve.
  • the extension is not radially encircling, but as a recess which is arranged in the manner of a groove in the zy-cylindrical wall.
  • the groove depth can increase over the length constant or towards the open position.
  • the pressure reduction can be adjusted by means of a groove in that the width is variable, before preferably increases in the direction of the open position while the groove depth remains constant.
  • Sealing ring preferably an O-ring, are.
  • Tole lances can be compensated reliably.
  • a corresponding pressure path is particularly simple if it extends from the region of lower pressure along at least part of the outside of the solenoid to the side of the second piston which faces away from the first piston.
  • Such a pressure path already results when the outside of the solenoid is at a distance from the valve housing.
  • An unnecessary housing enlargement, in particular special diameter, can be avoided by the fact that the pressure path in the circumferential direction extends over only a portion of the diameter and in the axial direction over the entire height of the solenoid.
  • the invention will be described in more detail be. It shows in
  • Fig. 1 is a sectional view of the valve in ge
  • Figure 1 shows the valve comprising a housing 1 with integrally molded socket 2 for electrically connecting the valve.
  • the housing 1 further has an integrally formed flange 3 and three bores 3a, via which the housing 1 is flanged to a turbocharger, not shown, in the region of the bypass line 4.
  • a solenoid 5 is arranged with a coil 6 and a metal pin 7, wherein the metal pin 7 is fixed in an armature 12, which in turn is mounted within the coil 6.
  • the metal pin 7 is connected at its end remote from the solenoid 5 with a cup-shaped piston 8.
  • a spring 9 biases the piston 8 in the unactuated state of the solenoid 5 against a valve seat 10 to close the bypass line 4, so that no medium from the bypass line 4 can flow into the conduit 11.
  • the spring 9 is supported on the solenoid 5 and on the piston 8. In the closed state of the valve is in the by-pass line 4, a pressure of 3 bar, while in the line 11, the pressure is 1 bar.
  • the second valve seat 14 consists of a first part valve seat 15 and a second part valve seat 16.
  • the second piston 13 has two sealing surfaces 17, 18, each of which cooperates with a part valve seat 15, 16.
  • the sealing surfaces 17, 18 are each formed by a sealing ring designed as an O-ring.
  • the second valve seat 14 is formed in a housing 19, which is supported by an upper cover disk 20 of the seat. lenoids 5 is formed.
  • the housing 19 has a pot-like bore 21, in the bottom region 22, the first
  • Part valve seat 15 is located, on which the first sealing surface of smaller diameter 17 rests.
  • the second part valve seat 16 is the cylindrical lateral surface 23 of the bore 21 at.
  • the sealing surface 18 of larger diameter, which is also formed by an O-ring, is located on the cylindrical surface 23 at.
  • the bypass line 4 is closed ver.
  • the interior of the valve is connected to the bypass line 4, so that in this area also a pressure of 3 bar is applied.
  • Via a first pressure path 25 the pressure from the bypass line 4, which forms a region of higher pressure, is guided along the metal pin 7 to the underside of the second piston 13. Due to the small area on which the pressure of 3 bar acts, the on the second piston 13 is low.
  • the spring 9 holds the valve in the closed state.
  • the spring 9 is supported by an additional force acting in the closing direction. This force results from the prevailing in the line 11 pressure of 1 bar. Via a recess 27 in the housing 1, a second pressure path 26 is formed, which leads from the line 11 via the recess 27 to the bore 21 and thus to the top of the second piston 13.
  • the recess 27 in the housing 1 surrounds the outside of the coil 6 over part of the circumference and over the entire height.
  • Figure 2 shows the valve during opening.
  • the metal pin 7 is slightly tightened.
  • the second sealing surface 17 is thereby lifted from the first part valve seat 15 and the pressure of 3 bar builds up in the space between the two sealing surfaces 17, 18 forming O-rings.
  • Due to the larger area on the underside of the second piston 13 acts a larger force, which supports the opening of the valve.
  • the second O-ring 18 slides over the second part valve seat 16, but continues to seal against the part valve seat 16.
  • the valve is shown in the open position, in which the piston 8, the bypass line 4 releases.
  • the second piston continues to move upwards.
  • the cylindrical bore 19 has at its open end acting as an extension chamfer 28.
  • the second sealing surface of larger diameter 18 in the region of the chamfer 28 lifts the second sealing surface 18 forming O-ring from the second part valve seat 16 , whereby a connection of the first pressure path 25 with the second pressure path 26 is formed.
  • the pressure in the first pressure path 25 of 3 bar builds up.
  • pressure equalization ends the Druckun support when opening.
  • the solenoid 5 is de-energized.
  • the metal pin 7 with the piston is pressed by the force of the spring 9 in the illustration shown down, bite the piston 8 rests on the valve seat and the bypass line 4 closes.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une soupape comportant un carter, un solénoïde monté dans le carter, une tige qui peut être déplacée dans le solénoïde, un piston relié à la tige et un ressort qui sollicite le piston à l'encontre de la force exercée par le solénoïde. Ladite soupape comporte des moyens pour assurer un déplacement assisté par pression du piston.
EP18826226.5A 2017-12-13 2018-12-12 Soupape Withdrawn EP3724542A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017222628.5A DE102017222628A1 (de) 2017-12-13 2017-12-13 Ventil
PCT/EP2018/084446 WO2019115572A1 (fr) 2017-12-13 2018-12-12 Soupape

Publications (1)

Publication Number Publication Date
EP3724542A1 true EP3724542A1 (fr) 2020-10-21

Family

ID=64899265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18826226.5A Withdrawn EP3724542A1 (fr) 2017-12-13 2018-12-12 Soupape

Country Status (5)

Country Link
US (1) US20200347955A1 (fr)
EP (1) EP3724542A1 (fr)
CN (1) CN111386419A (fr)
DE (1) DE102017222628A1 (fr)
WO (1) WO2019115572A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3803078A4 (fr) * 2018-06-09 2021-11-10 Padmini VNA Mechatronics Pvt. Ltd. Soupape de décharge avec bague d'étanchéité interne à deux axes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4031786A1 (fr) * 2019-09-16 2022-07-27 Pierburg GmbH Électrovanne pour véhicule automobile et procédé de production d'une unité déplacement à partir d'une armature et unité vanne pour électrovanne de ce type
CN115461564A (zh) * 2020-04-24 2022-12-09 皮尔伯格有限责任公司 空气转向阀
DE202020102558U1 (de) * 2020-05-06 2021-08-09 Karl Morgenbesser Stelleinrichtung für Systeme mit strömendem Fluid sowie System mit Stelleinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949964A (en) * 1975-02-13 1976-04-13 Westinghouse Electric Corporation Electromechanically-operated valve
JP3846287B2 (ja) * 2001-11-27 2006-11-15 三浦工業株式会社 バルブ
CN2866987Y (zh) * 2004-10-26 2007-02-07 株洲高新技术产业开发区华清仪器厂 动态平衡阀
DE102007002432B3 (de) * 2007-01-17 2008-06-19 A. Kayser Automotive Systems Gmbh Abblaseventil für einen Turbolader
DE102013214594A1 (de) * 2013-07-25 2015-01-29 Continental Automotive Gmbh Ventil
DE102014106940B4 (de) * 2014-05-16 2023-08-24 Mesa Parts GmbH Elektromagnetisch betätigbares Hochdruckgasventil
RU2648800C2 (ru) * 2016-05-12 2018-03-28 Аркадий Ефимович Зарянкин Разгруженный регулирующий клапан

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3803078A4 (fr) * 2018-06-09 2021-11-10 Padmini VNA Mechatronics Pvt. Ltd. Soupape de décharge avec bague d'étanchéité interne à deux axes

Also Published As

Publication number Publication date
DE102017222628A1 (de) 2019-06-13
CN111386419A (zh) 2020-07-07
US20200347955A1 (en) 2020-11-05
WO2019115572A1 (fr) 2019-06-20

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