WO2008009396A1 - agencement de soupape - Google Patents

agencement de soupape Download PDF

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Publication number
WO2008009396A1
WO2008009396A1 PCT/EP2007/006270 EP2007006270W WO2008009396A1 WO 2008009396 A1 WO2008009396 A1 WO 2008009396A1 EP 2007006270 W EP2007006270 W EP 2007006270W WO 2008009396 A1 WO2008009396 A1 WO 2008009396A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
arrangement according
plunger
actuator
actuating device
Prior art date
Application number
PCT/EP2007/006270
Other languages
German (de)
English (en)
Inventor
Axel MÜLLER
Thorsten Hillesheim
Stefan Quast
Original Assignee
Thomas Magnete 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 Thomas Magnete Gmbh filed Critical Thomas Magnete Gmbh
Publication of WO2008009396A1 publication Critical patent/WO2008009396A1/fr

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
    • F16K31/0644—One-way valve
    • 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
    • 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
    • F16K1/42—Valve seats
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/345—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the invention relates to a valve assembly according to the preamble of claim 1.
  • various valves are specifically designed and designed for your specific task.
  • So z. B. used in an application in an air conditioning circuit valves with variable, geometrically specially adapted valve opening as throttle valves, while individual evaporators of multi-zone air conditioning systems are switched off and regulated by means of specially and individually arranged directional seat valves.
  • Both different valve types are operated with special actuators whose stroke and force, and thus their size and control, are also optimized to meet individual requirements.
  • normally open normally open: no
  • normally closed normally closed: nc
  • JP 2002122267 A shows a valve arrangement which consists of an actuator and a return element arranged independently thereof in the form of a helical spring.
  • the actuator comprises a sealing body with the associated seat, and is arranged so that it can be actuated on both sides in the direction of movement, so that while maintaining the actuating and effective direction of the actuator, the valve designs no and nc are determined solely by changing the installation direction of the actuator.
  • the reset element remains in each case when changing the installation direction in the same position.
  • the adjusting element is arranged between the actuating device and the return element. When changing the valve design, therefore, the reset element must first be removed to change the actuator in its installation direction.
  • EP 0 704 649 A2 shows a valve arrangement actuated by an armature piston of an electromagnet, one end face of the armature piston having a sealing body with associated sealing seat, one after the other Flow either open or close.
  • the two embodiments of the valve normally open (no) or normally closed (nc) determined solely by the installation direction of the complete valve member.
  • the two variants do not differ by the components used, but solely by the installation direction, d. H. by the direction in which the actuator of one or more valve parts is mounted while maintaining the effective direction of an actuator.
  • the restoring element is integrated into the adjusting element of the valve part.
  • valve parts results in a no and nc characteristic from the actuating device and the installed valve part, without having to construct completely different valves. Only the installation direction of a single component or a single - otherwise identical assembly determine this characteristic. Specifically, this means that a complete valve part, which is intended for the execution no, due to its properties when rotated by 180 ° also for the execution nc can be used.
  • basic types of actuators can be combined with basic types of valve parts to meet special requirement profiles while maintaining the different functionality of the valve types.
  • a kit for valve assemblies is created, with which the variety of varieties systematically holistic and is used on this basis cost optimal. In this way, by singling, in particular tool-related items, with high individual manufacturing costs can be made in higher total numbers, so that even valve variants can be produced inexpensively in small individual quantities.
  • each valve member has a nearly identical structure.
  • the two variants no and nc do not differ by the components used, but exclusively in the fact that individual components of a preassembled module can be mounted in different directions depending on the valve function. Otherwise, they are almost identical, or only identical parts are used. This reduces the number of completely different types. This design supports the idea of the "kit" in the valve assembly.
  • valve part can be used for both cartridge and block valve designs.
  • the actuating device advantageously has an actuator with a plunger, which in each case actuates the adjusting device of a connected valve part.
  • the actuation can be done manually by muscle power z. B. via a button, pedal or a lever or mechanically.
  • An electrical actuation can be done either via an electromagnet or an electric motor. In a hydraulic or pneumatic actuation the actuation is effected by direct or indirect pressurization of a fluid.
  • a lifting magnet with a pressing armature and a plunger moved axially by the lifting movement of the armature is used as the actuating device.
  • the armature pushes against the cone of the magnet with a force proportional to the energization of a magnet coil arranged coaxially with the armature space.
  • the cone body has for this purpose an axial passage, which passes through a rod connected to the armature, which in turn forms the plunger for the valve member.
  • an axial recess is advantageously provided which forms a connection point or interface for a valve part to be inserted.
  • a directional control valve preferably a 2/2 - directional seat valve
  • the cone body has at least one inflow or outflow for the valve part.
  • the cone body is arranged radially another with the inlet in the valve member corresponding inlet. Possibly. can additionally be arranged control inputs and / or outputs for the actuator. Due to the differentiation of the valve components on the different installation direction, the sealing body in each of the two axial directions on a stop for the plunger.
  • the sealing body is preferably configured conical, whose apex also opens or closes axially and centrally located valve seat. The execution as a ball, hemisphere or flat seat is also possible.
  • the integrated return element is preferably designed as a flat spring with an axial passage for the plunger and the fluid.
  • the flat spring is mounted radially on a shoulder of the valve seat and is supported on the base of the conical sealing body. The arranged on this side stopper penetrates the axial passage of the sealing body. As a result, sealing body and flat spring are centered against each other.
  • the modular system for valve arrangements specified by the invention proves to be particularly advantageous if different valve types or designs are required for a particular application.
  • proportional shut-off valves are provided as seat valves, also in the block version.
  • the seat valves in the design are normally open (no) or normally closed (nc).
  • switching valves are required, which are designed as a seat valve and are self-holding.
  • the compressor also comprises one or more proportionally acting or switching valves, which are designed as seat valves either no or nc.
  • valve parts used is reduced by the invention to a few basic types.
  • the embodiments no or nc are realized only by changing the installation direction of a single component or a module. Further advantages of the invention will become apparent from the dependent claims and the embodiments illustrated in the drawings.
  • Fig. 1a shows in a longitudinal section a first embodiment of the invention.
  • FIG. 1b shows details of Fig. 1a in an enlargement.
  • Figs. 2 and 3 show variants of the illustration of Fig. 1a.
  • Fig. 4 shows a preferred application of the invention.
  • FIG. 1 a shows a longitudinal section of a valve arrangement which comprises an actuating device 1 illustrated on the right and two respective valve parts 2 shown on the left.
  • a valve part 2 can be connected to the actuating device 1 at a connection or interface 3.
  • the connection point is designed as an axial recess 13 on the end face of the cylindrical actuating device 1 facing the valve part 2. It forms a cavity 14 with a radial bore 15 to the outside.
  • the bore 15 forms an inlet or outlet 7 for a fluid, the corresponding inlet and outlet 7 is arranged axially on the end face remote from the actuating device. Since the valve arrangement is used bidirectionally, the same reference numeral is used for the inflow and outflow 7, respectively.
  • valve 1b shows the two valve parts 2 in an enlarged view, wherein the valve part shown below of Fig. 1a corresponds to the right representation and the above-illustrated valve member 2 of Fig. 1a of the left representation.
  • Both valve parts 2 are constructed identically, but differ in the installation direction, both are each rotated by 180 °.
  • the valve member 2 is rotationally symmetrical and consists essentially of a valve seat 4, a sealing body 5 and a return element 6 in the form of a flat spring 6.
  • the valve seat 4 is designed in the form of a cylindrical member having an axially extending passage 12 for actuating the sealing body 5 , In each case one end face of the component forms the inflow or outflow 7 for the valve arrangement, or, when rotated by 180 °, the connection point 3 to the actuating device 1.
  • a shoulder is provided on one side, which is provided as the first bearing point for the flat spring 6.
  • Another bearing is formed by the conical sealing body 5.
  • an axially inwardly extending small radial recess is provided, which is closed by a pin 9 and connects the flat spring 6 with the sealing body 5.
  • the head of the pin 9 forms a first stop 10 for a plunger 8 of the actuator.
  • the conical tip of the sealing body 5 has a bottle head-like extension, which forms a further stop 11 when rotated by 180 °.
  • FIGS. 2 and 3 the two characteristic valve parts 2 of FIG. 1 a and FIG. 1 b are each connected to the actuating device 1.
  • the combination thus forms a 2/2-way seated valve. 2 and 3 differ only by the installation direction of the valve member 2.
  • the same actuator 1 can be used for both installation directions of the valve member 2.
  • the plunger 8 acts in both variants in the same direction.
  • each installation direction of the valve member 2 represent different embodiments of the 2/2 way valve, either as no (normally open), as shown in Fig. 2, or as nc (normally closed), as can be seen from Fig. 3.
  • the cone of the sealing body 5 leaves the passage 12 in the valve seat 4 open.
  • the cone tip is oriented away from the anchor, comparable to the right-hand illustration of FIG. 1b.
  • the fluid can flow from the assumed inlet 7 via the passage 12 into the cavity 14 of the actuating device 1 and flow away again through the bore 15.
  • the plunger 8 presses against the acting as a stopper 10 cap 9 of the sealing body 5 with the flat spring 6 and pushes the sealing body 5 in the passage 12 of the valve seat 4, whereby the flow of the fluid is interrupted as long as the actuation maintained remains. Without actuation, the flat spring 6 acts as a return element.
  • FIG. 3 The nc embodiment of FIG. 3 is formed by the valve member 2 of FIG. 2 being rotated through 180 °.
  • the side of the component 9, to which the flat spring 6 is fastened, is arranged on the side facing away from the plunger 8.
  • the cone tip is aligned with the actuator 16 (comparable to the left-hand illustration of FIG. 1b).
  • the prestressed flat spring 6 presses against the passage 12 and closes it.
  • the inlet 7 in the valve member 2 is separated from its outlet 7 in the cavity 14 of the actuator 1.
  • the plunger 8 When activated, the plunger 8 is pressed against the stop 11 at the apex of the sealing body 5 to the left and thus opens the passage 12, as long as the activation is maintained. Without actuation, the flat spring 6 acts as a return element.
  • the actuating device 1 (see in particular FIG. 1 a, right-hand representation) has an electromagnetically actuated actuator 16 and an actuating element 16. rod as a ram 8 on.
  • the actuator 16 is designed as a solenoid with a cylindrical bobbin 17 and a coil 18, which is energized via an axially outwardly guided plug connector 19.
  • the solenoid has at its the plug connection 19 facing the end of the bobbin 17 a yoke disc 20.
  • Bobbin 17 and yoke disc 20 form a cavity in which a fixed bearing sleeve 21 is arranged for an armature piston 22.
  • the bearing sleeve 21 extends over the entire, axial length of the bobbin 17 and the cone 23 of the magnet.
  • the armature piston 22 When the coil 18 is energized, the armature piston 22 performs a stroke movement to the left in the direction of the cone 23.
  • the design of the control part (armature counterpart) on the cone 23 ensures that the lifting movement of the armature piston 22 is almost proportional to the applied current.
  • the magnetically acting parts of the lifting magnet are covered by a housing 25. From the pointing in the stroke direction end face of the armature piston 22 extends, in the axial direction away from the piston 22, the actuating plunger 8, with which the actuation of the valve member 2 takes place.
  • the cone 23 has for this purpose an axial passage through which the actuating plunger 8 is guided.
  • the cavity 14 is connected to the armature space of the magnet.
  • a kit for a valve assembly which manages for the two variants no and nc with the same components (actuator 1 and valve member 2).
  • Fig. 4 shows a hydraulic circuit diagram for the control of an air conditioning circuit in which the valve arrangements described above are used.
  • the circuit consists of an expansion valve 28, a heat exchanger 32 (gas cooler), another heat exchanger 30a (evaporator), a compressor 29 and a collector 31.
  • Parallel to the evaporator 30a is provided via a shut-off valve 27, an additional evaporator 30b, which is switched on when needed can be.
  • the shut-off valve 27 is operated nc in the embodiment.
  • the second evaporator 30 b is not flowed through by the refrigerant and is switched on only on special request by operating the actuator 16. In this case, this is done by energizing the magnet of the actuator. 1
  • valve 27 corresponds to the illustration of FIG. 2.
  • the valve 27 is normally open by spring force (flat spring 6) and is closed by magnetic actuation.
  • the second evaporator 30b always flows through with coolant and is switched off only on special request of the user.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Magnetically Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

L'invention concerne un agencement de soupape, comportant un système d'actionnement (1) et une partie de soupape (2) pouvant être aménagée et combinée différemment respectivement avec celui-ci, la partie de soupape individuelle (2) comprenant un élément de commande (5) déplacé par le système d'actionnement (1) et un élément de rappel (6). En combinaison avec le système d'actionnement (1), l'agencement est conçu en étant normalement ouvert (no) ou normalement fermé (nc), l'élément de commande (5) pouvant être actionné de part et d'autre dans la direction de déplacement. Lorsque la direction d'actionnement et effective du système d'actionnement (1) est conservée, les deux conceptions de soupape sont déterminées uniquement en modifiant le sens de montage de l'élément de commande (5). L'invention est caractérisée en ce que l'élément de rappel (6) est intégré dans l'élément de commande et les deux conceptions de soupape no et nc ne sont réalisées qu'en modifiant le sens de montage de la partie de soupape entière.
PCT/EP2007/006270 2006-07-21 2007-07-14 agencement de soupape WO2008009396A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006033747.6 2006-07-21
DE102006033747A DE102006033747B3 (de) 2006-07-21 2006-07-21 Ventilanordnung

Publications (1)

Publication Number Publication Date
WO2008009396A1 true WO2008009396A1 (fr) 2008-01-24

Family

ID=38582052

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006270 WO2008009396A1 (fr) 2006-07-21 2007-07-14 agencement de soupape

Country Status (2)

Country Link
DE (1) DE102006033747B3 (fr)
WO (1) WO2008009396A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008022160B4 (de) 2008-05-05 2011-06-16 Thomas Magnete Gmbh Magnetischer Aktor mit Flachfeder, sowie Prüfvorrichtung für derartige Flachfedern
DE102010026135A1 (de) * 2010-07-05 2012-01-05 Kendrion Binder Magnete Gmbh Magnetventilsystem, Magnetventil und Verfahren zur Herstellung eines Magnetventils
DE102011003783B4 (de) 2011-02-08 2022-10-27 Robert Bosch Gmbh Magnetventil zum Steuern eines Fluids
DE102013221035A1 (de) * 2013-10-17 2015-04-23 Zf Friedrichshafen Ag Hydraulische Steuerungsvorrichtung für ein Automatikgetriebe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416788A1 (fr) * 1989-09-05 1991-03-13 Eaton Corporation Cartouche de valve à tiroir réversible
EP0704649A2 (fr) 1994-09-30 1996-04-03 Sapphire Engineering, Inc. Electrovanne
JP2002122267A (ja) 2000-10-13 2002-04-26 Ichimaru Giken:Kk ノーマルオープン・ノーマルクローズ完全共用型弁構造
US6679567B1 (en) * 2000-09-09 2004-01-20 Kelsey-Hayes Company Control valve with overmolded armature for a hydraulic control unit
DE10322585A1 (de) 2003-05-20 2004-12-23 Hydac Fluidtechnik Gmbh Ventilbaukastensystem
US20050092951A1 (en) * 2003-11-03 2005-05-05 Thomas Groetzinger Magnetic valve
WO2005061933A1 (fr) * 2003-12-23 2005-07-07 Saia-Burgess Dresden Gmbh Soupape de regulation de gaz et de surete

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06241342A (ja) * 1993-02-19 1994-08-30 Aisin Seiki Co Ltd 電磁弁装置
JP2003120845A (ja) * 2001-10-12 2003-04-23 Denso Corp 調量弁装置およびそれを用いた燃料噴射ポンプ
DE102004023834A1 (de) * 2004-05-14 2005-12-08 Robert Bosch Gmbh Expansionseinrichtung für ein Kältemittel
DE102004038641A1 (de) * 2004-08-09 2006-02-23 Linde Kältetechnik GmbH & Co. KG Kältekreislauf und Verfahren zum Betreiben eines Kältekreislaufes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416788A1 (fr) * 1989-09-05 1991-03-13 Eaton Corporation Cartouche de valve à tiroir réversible
EP0704649A2 (fr) 1994-09-30 1996-04-03 Sapphire Engineering, Inc. Electrovanne
US6679567B1 (en) * 2000-09-09 2004-01-20 Kelsey-Hayes Company Control valve with overmolded armature for a hydraulic control unit
JP2002122267A (ja) 2000-10-13 2002-04-26 Ichimaru Giken:Kk ノーマルオープン・ノーマルクローズ完全共用型弁構造
DE10322585A1 (de) 2003-05-20 2004-12-23 Hydac Fluidtechnik Gmbh Ventilbaukastensystem
US20050092951A1 (en) * 2003-11-03 2005-05-05 Thomas Groetzinger Magnetic valve
WO2005061933A1 (fr) * 2003-12-23 2005-07-07 Saia-Burgess Dresden Gmbh Soupape de regulation de gaz et de surete

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