EP1213452A1 - Pressure control valve with pressurized diaphragm - Google Patents

Pressure control valve with pressurized diaphragm Download PDF

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Publication number
EP1213452A1
EP1213452A1 EP20010127896 EP01127896A EP1213452A1 EP 1213452 A1 EP1213452 A1 EP 1213452A1 EP 20010127896 EP20010127896 EP 20010127896 EP 01127896 A EP01127896 A EP 01127896A EP 1213452 A1 EP1213452 A1 EP 1213452A1
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EP
European Patent Office
Prior art keywords
control valve
pressure
pressure control
membrane
gas passage
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.)
Granted
Application number
EP20010127896
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German (de)
French (fr)
Other versions
EP1213452B1 (en
Inventor
Torsten Hilpert
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
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Publication date
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP1213452A1 publication Critical patent/EP1213452A1/en
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
    • F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
    • F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
    • F01M13/023—Control valves in suction conduit
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7835—Valve seating in direction of flow
    • Y10T137/7836—Flexible diaphragm or bellows reactor

Definitions

  • the invention relates to a pressure control valve with a pressurized membrane for closing and opening a gas passage according to the preamble of the main claim.
  • a pressure control valve is switched in an intake path for the internal combustion engine.
  • this pressure control valve is also in a Vent line between the crankcase and the intake pipe or the air filter or in the ventilation line of the fuel tank in a motor vehicle two flanges installed. In any case, it is about the pressure or negative pressure in the units to be vented do not rise above a predetermined value allow.
  • a membrane is available for this purpose, e.g. against the force of a valve spring the passage through the Controls opening of a channel and closes if necessary.
  • the invention has for its object a pressure control valve according to the preamble of the main claim to simple Way so that a space-saving attachment is possible without much effort.
  • the pressure control valve according to the invention with a pressurized Membrane for closing and opening a Gas passage according to the type specified at the outset, triggers the task set with those in the characterizing part of the main claim specified features. It is advantageous the pressure control valve is arranged so that the outlet of the Gas passage directly in a room with ambient pressure, usually with atmospheric pressure.
  • the membrane is a ventilation hole, e.g. there is a hole through the one on the one to be closed and opened Gas passage opposite side of the membrane existing valve chamber directly with the ambient pressure can be applied.
  • the membrane is preferably in the valve chamber Lock under the pressure of a coil spring against the Gas passage opening pressed.
  • Pressure regulating valve is easily arranged for venting a crankshaft housing in the intake tract of an internal combustion engine can be used. It is here advantageous that the pressure control valve saves space without Consideration of ventilation channels directly in a pressure body can be integrated as an additional introduction of hoses or channels.
  • An embodiment of the pressure control valve according to the invention with a pressurized membrane to close and opening a gas passage in a vent assembly for a crankcase in one Motor vehicle is based on the sectional view of the single figure of the drawing explained.
  • the figure shows an arrangement with a pressure control valve 1 shown that has the task in practical operation that through that into a vent line between the intake manifold and the crankcase one not shown here Internal pressure control valve 1 Blow-by gas is drawn through in the direction of arrow 2.
  • a gas inlet 3 is connected to the crankcase and is on a distributor plate 4, or on a fleece wrap, distributed.
  • a membrane 5 under the pressure of an applied to the housing of a valve chamber 8
  • Coil spring 6 on a closable with the membrane 5
  • Opening 7 is pressed as a gas passage.
  • the opening 7 leads into a room with an ambient pressure Pu, usually with atmospheric pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Fluid-Driven Valves (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The valve has a pressurized membrane (5) to close and open a through passage (7) for gas. There is a valve chamber (8) on the opposite side of the membrane which is at ambient pressure (Pu). The outlet of the through passage leads directly to a cavity at ambient pressure. The membrane has a venting hole (9) to transmit ambient pressure to the valve chamber.

Description

Stand der TechnikState of the art

Die Erfindung betrifft ein Druckregelventil mit einer druckbeaufschlagten Membran zum Verschließen und Öffnen eines Gasdurchtritts nach dem Oberbegriff des Hauptanspruchs.The invention relates to a pressure control valve with a pressurized membrane for closing and opening a gas passage according to the preamble of the main claim.

Es ist beispielsweise aus der DE-40 22 129 C2 bekannt, dass in einen Ansaugweg für den Verbrennungsmotor eines Kraftfahrzeuges ein Druckregelventil geschaltet wird. Beispielsweise wird dieses Druckregelventil auch in eine Entlüftungsleitung zwischen dem Kurbelgehäuse und dem Ansaugrohr bzw. dem Luftfilter oder in die Entlüftungsleitung des Kraftstofftanks in einem Kraftfahrzeug mittels zweier Flansche eingebaut. In jedem Fall geht es darum, den Druck oder Unterdruck in den zu entlüftenden Aggregaten nicht über einen vorbestimmten Wert hinaus ansteigen zu lassen. Hierzu ist eine Membran vorhanden, die z.B. gegen die Kraft einer Ventilfeder den Durchgang durch die Öffnung eines Kanals steuert und gegebenenfalls verschließt.It is known for example from DE-40 22 129 C2 that in an intake path for the internal combustion engine one Motor vehicle a pressure control valve is switched. For example, this pressure control valve is also in a Vent line between the crankcase and the intake pipe or the air filter or in the ventilation line of the fuel tank in a motor vehicle two flanges installed. In any case, it is about the pressure or negative pressure in the units to be vented do not rise above a predetermined value allow. A membrane is available for this purpose, e.g. against the force of a valve spring the passage through the Controls opening of a channel and closes if necessary.

Bei der bekannten Anordnung ist auf der Membranseite, die dem zu entlüftenden Aggregat gegenüberliegt, eine Belüftungsbohrung im Ventilgehäuse vorhanden, die diese Ventilkammer mit Atmosphärendruck beaufschlagt. In vielen Anwendungsfällen ist die Zuführung von Atmosphärendruck jedoch sehr aufwendig; wenn z.B. das Druckregelventil in einer abgeschlossenen Druckkammer liegt. Hier müsste der Atmosphären- oder Umgebungsdruck mit einem zusätzlichen Kanal bzw. mit einem Schlauch oder dergleichen zugeführt werden.In the known arrangement is on the membrane side that opposite the unit to be vented, a ventilation hole present in the valve housing that this valve chamber pressurized with atmospheric pressure. In many Applications are the supply of atmospheric pressure however very complex; if e.g. the pressure control valve in a closed pressure chamber. Here should be Atmospheric or ambient pressure with an additional Channel or supplied with a hose or the like become.

Aufgabenstellungtask

Der Erfindung liegt die Aufgabe zugrunde, ein Druckregelventil nach dem Oberbegriff des Hauptanspruchs auf einfache Weise so fortzubilden, dass eine platzsparende Anbringung ohne großen Aufwand möglich ist.The invention has for its object a pressure control valve according to the preamble of the main claim to simple Way so that a space-saving attachment is possible without much effort.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Druckregelventil mit einer druckbeaufschlagten Membran zum Verschließen und Öffnen eines Gasdurchtritts nach der eingangs angegebenen Art, löst die gestellte Aufgabe mit den im Kennzeichen des Hauptanspruchs angegebenen Merkmalen. In vorteilhafter Weise ist das Druckregelventil so angeordnet, dass der Ausgang des Gasdurchtritts direkt in einem Raum mit Umgebungsdruck, in der Regel mit Atmosphärendruck, führt. In der Membran ist ein Belüftungsloch, z.B. eine Bohrung vorhanden, durch die eine auf der dem zu verschließenden und öffnenden Gasdurchtritt gegenüberliegenden Seite der Membran vorhandenen Ventilkammer direkt mit dem Umgebungsdruck beaufschlagt werden kann.The pressure control valve according to the invention with a pressurized Membrane for closing and opening a Gas passage according to the type specified at the outset, triggers the task set with those in the characterizing part of the main claim specified features. It is advantageous the pressure control valve is arranged so that the outlet of the Gas passage directly in a room with ambient pressure, usually with atmospheric pressure. In the membrane is a ventilation hole, e.g. there is a hole through the one on the one to be closed and opened Gas passage opposite side of the membrane existing valve chamber directly with the ambient pressure can be applied.

Die Membran ist vorzugsweise in der Ventilkammer beim Verschließen unter dem Druck einer Spiralfeder gegen die Gasdurchtrittsöffnung gedrückt. Das erfindungsgemäße Druckregelventil ist auf einfache Weise in einer Anordnung zur Entlüftung eines Kurbelwellengehäuses im Ansaugtrakt eines Verbrennungsmotors einsetzbar. Es ist hierbei vorteilhaft, dass das Druckregelventil platzsparend ohne Rücksicht auf Belüftungskanäle direkt in einen Druckkörper integriert werden kann, da ein zusätzliches Einbringen von Schläuchen oder Kanälen entfällt.The membrane is preferably in the valve chamber Lock under the pressure of a coil spring against the Gas passage opening pressed. The invention Pressure regulating valve is easily arranged for venting a crankshaft housing in the intake tract of an internal combustion engine can be used. It is here advantageous that the pressure control valve saves space without Consideration of ventilation channels directly in a pressure body can be integrated as an additional introduction of hoses or channels.

Diese und weitere Merkmale von bevorzugten Weiterbildungen der Erfindung gehen außer aus den Ansprüchen auch aus der Beschreibung und den Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich allein oder zu mehreren in Form von Unterkombinationen bei der Ausführungsform der Erfindung und auf anderen Gebieten verwirklicht sein und vorteilhafte sowie für sich schutzfähige Ausführungen darstellen können, für die hier Schutz beansprucht wird.These and other features of preferred further developments the invention also go out from the claims the description and the drawings, the individual characteristics individually or in groups in the form of sub-combinations in the embodiment of the invention and in other fields be and advantageous as well as protective designs can represent, for which protection is claimed here becomes.

Zeichnungdrawing

Ein Ausführungsbeispiel des erfindungsgemäßen Druckregelventil mit einer druckbeaufschlagten Membran zum Verschließen und Öffnen eines Gasdurchtritts in einer Entlüftungsanordnung für ein Kurbelwellengehäuse in einem Kraftfahrzeug wird anhand der Schnittansicht nach der einzigen Figur der Zeichnung erläutert. An embodiment of the pressure control valve according to the invention with a pressurized membrane to close and opening a gas passage in a vent assembly for a crankcase in one Motor vehicle is based on the sectional view of the single figure of the drawing explained.

Beschreibung des AusführungsbeispielsDescription of the embodiment

In der Figur ist Anordnung mit einem Druckregelventil 1 gezeigt, die im praktischen Betrieb die Aufgabe hat, dass durch das in eine Entlüftungsleitung zwischen dem Saugrohr und dem Kurbelgehäuse einer hier nicht näher gezeigten Brennkraftmaschine eingebaute Druckregelventil 1 Durchblasgas in Pfeilrichtung 2 hindurchgesaugt wird.The figure shows an arrangement with a pressure control valve 1 shown that has the task in practical operation that through that into a vent line between the intake manifold and the crankcase one not shown here Internal pressure control valve 1 Blow-by gas is drawn through in the direction of arrow 2.

Ein Gaseintritt 3 ist mit dem Kurbelgehäuse verbunden und wird an einer Verteilerplatte 4, bzw. an einem Vlieswickel, verteilt. Es ist eine Membran 5 vorhanden, die unter dem Druck einer am Gehäuse einer Ventilkammer 8 anliegenden Spiralfeder 6 an eine mit der Membran 5 verschließbare Öffnung 7 als Gasdurchtritt gedrückt wird. Die Öffnung 7 führt in einen Raum mit einem Umgebungsdruck Pu, in der Regel mit dem Atmosphärendruck.A gas inlet 3 is connected to the crankcase and is on a distributor plate 4, or on a fleece wrap, distributed. There is a membrane 5 under the pressure of an applied to the housing of a valve chamber 8 Coil spring 6 on a closable with the membrane 5 Opening 7 is pressed as a gas passage. The opening 7 leads into a room with an ambient pressure Pu, usually with atmospheric pressure.

Damit in der Ventilkammer 8 ebenfalls der Umgebungsdruck Pu herrscht, ist ein Belüftungsloch 9 direkt in der Membran 5 angeordnet, so dass eine Bewegung der Membran 5 zum Öffnen und Verschließen der Öffnung 7 direkt von den Druckunterschieden zwischen dem Umgebungsdruck Pu und dem Druck im Kurbelwellengehäuse bewirkt werden kann.So that in the valve chamber 8 also the ambient pressure Pu prevails, there is a ventilation hole 9 directly in the membrane 5 arranged so that a movement of the membrane 5 to Opening and closing the opening 7 directly from the Differences in pressure between the ambient pressure Pu and the Pressure in the crankcase can be caused.

Claims (4)

Druckregelventil mit einer druckbeaufschlagten Membran (5) zum Verschließen und Öffnen eines Gasdurchtritts (7), bei dem auf der dem zu verschließenden und öffnenden Gasdurchtritt (7) gegenüberliegenden Seite der Membran (5) eine Ventilkammer (8) vorhanden ist, die mit einem Umgebungsdruck (Pu) beaufschlagt ist, dadurch gekennzeichnet, dass das Druckregelventil (1) so angeordnet ist, dass der Ausgang des Gasdurchtritts (7) direkt in einem Raum mit Umgebungsdruck (Pu) führt und dass in der Membran (5) ein Belüftungsloch (9) vorhanden ist, durch das die Ventilkammer (8) direkt mit dem Umgebungsdruck (Pu) beaufschlagt ist. Pressure control valve with a pressurized membrane (5) for closing and opening a gas passage (7) in which On the side of the membrane (5) opposite the gas passage (7) to be closed and opened, there is a valve chamber (8) which is acted upon by an ambient pressure (Pu), characterized in that the pressure control valve (1) is arranged such that the outlet of the gas passage (7) leads directly to a room with ambient pressure (Pu) and that In the membrane (5) there is a ventilation hole (9) through which the valve chamber (8) is directly exposed to the ambient pressure (Pu). Druckregelventil nach Anspruch 1, dadurch gekennzeichnet, dass der Umgebungsdruck (Pu) der Atmosphärendruck ist. Pressure control valve according to claim 1, characterized in that the ambient pressure (Pu) is the atmospheric pressure. Druckregelventil nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Membran (5) in der Ventilkammer (8) beim Verschließen unter dem Druck einer Feder (6) gegen die Gasdurchtrittsöffnung (7)gedrückt ist. Pressure control valve according to claim 1 or 2, characterized in that the membrane (5) in the valve chamber (8) is pressed against the gas passage opening (7) when closed under the pressure of a spring (6). Druckregelventil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Druckregelventil (1) in einer Anordnung zur Entlüftung eines Kurbelwellengehäuses im Ansaugtrakt eines Verbrennungsmotors einsetzbar ist. Pressure control valve according to one of the preceding claims, characterized in that the pressure control valve (1) can be used in an arrangement for venting a crankshaft housing in the intake tract of an internal combustion engine.
EP20010127896 2000-12-08 2001-11-23 Pressure control valve with pressurized diaphragm Expired - Lifetime EP1213452B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10061306 2000-12-08
DE2000161306 DE10061306A1 (en) 2000-12-08 2000-12-08 Pressure control valve with a pressurized membrane

Publications (2)

Publication Number Publication Date
EP1213452A1 true EP1213452A1 (en) 2002-06-12
EP1213452B1 EP1213452B1 (en) 2006-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010127896 Expired - Lifetime EP1213452B1 (en) 2000-12-08 2001-11-23 Pressure control valve with pressurized diaphragm

Country Status (4)

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US (1) US6684865B2 (en)
EP (1) EP1213452B1 (en)
AT (1) ATE318999T1 (en)
DE (2) DE10061306A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7096847B1 (en) * 2003-11-25 2006-08-29 Dana Corporation Oil separator for internal combustion engine
US10352209B2 (en) 2015-11-25 2019-07-16 Solberg Mfg., Inc. Pressure regulator assemblies

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078341A (en) * 1980-06-18 1982-01-06 Crosweller & Co Ltd W A gas pressure governor
US5090393A (en) * 1990-07-11 1992-02-25 Filterwerk Mann & Hummel Gmbh Pressure regulating valve for installation in a vent duct of an internal combustion engine
DE19501447A1 (en) * 1995-01-19 1996-07-25 Bosch Gmbh Robert Pressure control valve
EP0892329A1 (en) * 1997-07-19 1999-01-20 Schlumberger Rombach GmbH Gas pressure regulator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB615612A (en) * 1940-02-13 1949-01-10 Ericsson Telefon Ab L M Improvements in or relating to gaseous fluid control valves
CH278097A (en) * 1950-10-20 1951-09-30 Schulthess & Co Ag Maschf Shut-off valve arranged in a cable run.
DE909166C (en) * 1951-09-22 1954-04-15 Henri Tailleferre Valve, especially safety valve for small and medium pressures
US3762681A (en) * 1971-09-28 1973-10-02 Robertshaw Controls Co Fluid flow control device with baffles
DE2648112C2 (en) * 1976-10-23 1985-06-13 Klöckner-Humboldt-Deutz AG, 5000 Köln Control valve for the crankcase ventilation of reciprocating internal combustion engines
SE468721B (en) * 1991-07-04 1993-03-08 Flaekt Ab VALVE DEVICE FOR GENERATING SHORT-TERM PRESSURE PULSES EXAMPLE FOR BLEASING BASIC FILTER ELEMENTS
US5727529A (en) * 1994-01-14 1998-03-17 Walbro Corporation Pressure control valve for a fuel system
IL115586A (en) * 1995-10-12 2000-12-06 A R I Kfar Charuv Pilot operated fluid valve
US5647337A (en) * 1996-02-21 1997-07-15 Kohler Co. Engine breather device with cooling baffle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2078341A (en) * 1980-06-18 1982-01-06 Crosweller & Co Ltd W A gas pressure governor
US5090393A (en) * 1990-07-11 1992-02-25 Filterwerk Mann & Hummel Gmbh Pressure regulating valve for installation in a vent duct of an internal combustion engine
DE4022129C2 (en) 1990-07-11 1993-03-04 Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg, De
DE19501447A1 (en) * 1995-01-19 1996-07-25 Bosch Gmbh Robert Pressure control valve
EP0892329A1 (en) * 1997-07-19 1999-01-20 Schlumberger Rombach GmbH Gas pressure regulator

Also Published As

Publication number Publication date
EP1213452B1 (en) 2006-03-01
US20020083935A1 (en) 2002-07-04
ATE318999T1 (en) 2006-03-15
DE10061306A1 (en) 2002-07-11
DE50109052D1 (en) 2006-04-27
US6684865B2 (en) 2004-02-03

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