EP0841453A2 - Dispositif de soupape pour système de porte actionné par fluide sous pression - Google Patents

Dispositif de soupape pour système de porte actionné par fluide sous pression Download PDF

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Publication number
EP0841453A2
EP0841453A2 EP97116426A EP97116426A EP0841453A2 EP 0841453 A2 EP0841453 A2 EP 0841453A2 EP 97116426 A EP97116426 A EP 97116426A EP 97116426 A EP97116426 A EP 97116426A EP 0841453 A2 EP0841453 A2 EP 0841453A2
Authority
EP
European Patent Office
Prior art keywords
valve
control
pressure medium
connection
valve device
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
EP97116426A
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German (de)
English (en)
Other versions
EP0841453A3 (fr
EP0841453B1 (fr
Inventor
Heinrich Diekmeyer
Gerhard Hennigs
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.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco 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 Wabco GmbH filed Critical Wabco GmbH
Publication of EP0841453A2 publication Critical patent/EP0841453A2/fr
Publication of EP0841453A3 publication Critical patent/EP0841453A3/fr
Application granted granted Critical
Publication of EP0841453B1 publication Critical patent/EP0841453B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
    • F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration control
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/506—Application of doors, windows, wings or fittings thereof for vehicles for buses
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/755—Control of acceleration or deceleration of the output member

Definitions

  • the invention relates to a valve device for a by a pressure medium operated door system according to the Preamble of claim 1.
  • Such a valve device is from DE 37 08 989 A1 known.
  • valve devices A preferred area of application for valve devices
  • the generic type are pressure-operated door systems in motor vehicles, especially in buses.
  • the operation of the door in such a door system is usually done by an actuating cylinder is pressurized by the valve device.
  • the valve device can be used to open or close the door the pressure in one or more chambers of the actuating cylinder can be changed. It is desirable that the door does not open or close stops abruptly in their respective end positions, but shortly before reaching the respective end position a dampened movement with reduced speed executes. Otherwise, when opening or closing However, the door should move as quickly as possible.
  • the approximate the respective end positions of the actuating cylinder correspond, achieved in that the pressure medium outlet the valve device has two parallel outlet flow paths has, of which the one with a Throttle is provided and the other by an electric one actuatable solenoid valve either closed or opened without throttling when the solenoid valve is actuated is.
  • the solenoid valve By actuating the solenoid valve thus a larger passage cross section for the outflowing Pressure medium set.
  • By appropriate control of the solenoid valve can be from an unthrottled thus to a throttled pressure reduction in the Close to the end positions of the actuating cylinder. As a result, the positioning speed of the Actuating cylinder and thus the door reduced.
  • the known valve device has the disadvantage that next to the the direction of movement of the actuating cylinder controlling valves an additional solenoid valve that is complex and expensive at the pressure medium outlet of the valve device necessary is.
  • the additional solenoid valve has an electromagnet by a electronic control unit can be operated electrically got to. This is another control output on the electronic Control unit required. Hence the Effort and the cost of producing such Valve device and a suitable control device quite high.
  • the invention is therefore based on the object Valve device for an actuatable by a pressure medium Specify door system in the case of very little Effort and without using additional control connections on the valve device, in particular without Using an additional electromagnet that pressure medium flowing through the valve device at least can flow through throttled at times.
  • the invention has the advantage that for switching between a first and a second passage cross section a changeover valve is provided for the Actuation of those already present in the valve device Components can be used. This is in particularly favorably by the design of the changeover valve achieved as a pressure-operated valve, operated by the same control pressure which is already applied to the valve device available taxable funds. Because of this Control pressure by a control signal on one of the also existing control connections of the valve device is therefore no further control connection necessary on the valve device.
  • the changeover valve can also be very simple and does not need any other parts such as B. an electromagnet for actuation.
  • control device Because the operation of the changeover valve from by a control device generated control signals at the control connections depends, it is possible to choose a desired method Control of the changeover valve by appropriate To achieve training of the control device. Using an electronic control unit with a a control program executing microprocessor as Control device is used to implement a control method only an additional one for the changeover valve Program step in the control program necessary.
  • the invention is basically suitable in context with a valve device for actuating a Door system to be used advantageously, the one single work connection to connect to a Has actuating cylinder for actuating the door system.
  • a return spring contains the actuating force of the through the work connection actuating volume supplied with pressure medium Actuating cylinder counteracts.
  • Door systems in motor vehicles however, often have no such return spring on.
  • actuating cylinders come with two Pressure medium connections for supplying two to each other counteracting control volumes are used. These two Pressure fluid connections are usually with a two working connections valve device connected. Such a valve device is such. B. known from DE 34 20 632 A1.
  • the latter operating mode serves to increase the Operational safety of the door system or to avoid it of dangerous situations in the event of malfunctions in the door system.
  • the three operating modes can be activated one of the control valves can be set.
  • valve device of DE 34 20 632 A1 is Changeover valve by simultaneous or almost simultaneous Actuation of the first and the third or the second and third control valve operable.
  • the actuation of the first or the second control valve can the 3/2-way valves defined in their respective Switch position are held and by the Actuation of the third control valve can the changeover valve operated without influencing the 3/2-way valves will.
  • This results in undesirable switching states Valve device such as the connection of both work connections avoidable with the pressure medium outlet.
  • the two through the changeover valve switchable passage cross sections of the Valve device either at the pressure medium inlet, at Pressure fluid outlet or on one or both work ports to arrange the valve device.
  • the arrangement can be used for different valve devices Applications are used.
  • the door movement is damped by Switching from the larger passage cross section to the smaller passage cross section at the pressure medium outlet performed.
  • the larger one is always at the pressure medium inlet Passage cross section effective, so that the actuating cylinder Always pressurized even when the door movement is damped is and the door even with dampened movement does not become weak.
  • the first and the second passage cross section would be at the pressure medium inlet For example, the actuating power of the door system when it is damped Movement decreased.
  • the changeover valve is designed as a membrane. This makes the changeover valve very simple and inexpensive to manufacture and operate very reliably.
  • the membrane is in one piece Sealing element for sealing the housing parts of the valve device executed.
  • the valve device has as external connections a pressure medium inlet (1), a pressure medium outlet (2), two working connections (40, 50) and three control connections (11, 21, 31).
  • the connections (1, 40, 50) are for connecting pressure medium lines (71, 46, 56) intended.
  • the connections (11, 21, 31) are for connection provided by electrical lines (64, 65, 66).
  • valve device (9) in one by one Pressure medium actuated door system e.g. B. a pneumatic Door control in a bus is the pressure medium inlet (1) with a compressed air line (71) a compressed air reservoir (70) connected.
  • the work connection (40) is via a compressed air line (46) and a throttle (45) with a compressed air connection pneumatic actuator (80) connected.
  • On one further compressed air connection of the actuating cylinder (80) the further work connection (50) via a compressed air line (56) and a throttle (55) connected.
  • the pressure medium outlet (2) serves to vent the Actuating cylinder (80) and the valve device (9) and is therefore directly connected to the atmosphere.
  • the Actuating cylinder (80) is designed so that when acted upon of a compressed air connection with compressed air and at the same time venting the other compressed air connection the piston (81) of the actuating cylinder (80) in an actuating direction is moved. By opposite Actuation or ventilation of the compressed air connections the piston (81) can move in the opposite direction be moved.
  • the actuating cylinder (80) is mechanical via a linkage with a door adjustment device to be operated (82) connected to a motor vehicle.
  • a door adjustment device to be operated (82) connected to a motor vehicle.
  • the door adjustment device (82) are also means (67) for sensing the respective end positions of the door mechanically connected.
  • the means (67) for sensing can, for. B. as electrical limit switches, Hall sensors or preferably as a rotation angle sensor detecting the opening angle of the door, e.g. B. a potentiometer.
  • the means (67) for sensing give electrical signals to an electronic control unit (60).
  • the electronic control unit (60) is electrical Lines (61, 62, 63) with the potentiometer (67) and via electrical lines (64, 65, 66) with the electrical actuatable control inputs (11, 21, 31) of the Valve device (9) connected.
  • the valve device to control the pressure medium flow between the Pressure medium inlet (1), the pressure medium outlet (2) and the work connections (40, 50) two pneumatically controllable and additionally mutually influencing 3/2-way valves (41, 42, 51, 52).
  • the two 3/2-way valves (41, 42, 51, 52) are two opposing, axially displaceable switching pistons with one piston head (42 or 52) and one piston skirt (41 or 51) executed.
  • Each piston skirt (41 or 51) has a tapered area through which the connection between arranged in the valve device Compressed air ducts like a 3/2-way valve can be controlled.
  • the compressed air channels in turn are either with the pressure medium inlet (1), with the pressure medium outlet (2) or with one of the working connections (40, 50) connected.
  • the piston heads (42 or 52) are provided with a radial circumferential seal.
  • control valve (30) in part shown in section.
  • the control valve (30) has a valve piston (32) which by means of a Spring (33) is held in a first position.
  • the valve piston (32) also serves as a movable armature an electromagnet arrangement, which also has an excitation coil (34) contains the valve piston (32) for Part surrounds.
  • the excitation coil (34) is electrical with connected to the control input (31). By creating one electrical signal, the z. B. from an electronic Control unit can be generated at the control input (31) is by means of the excitation coil (34) Valve piston (32) against the force of the spring (33) from the first moved to a second position.
  • valve piston (32) the compressed air duct (35) and at the same time opens the compressed air duct (36).
  • Compressed air channel (36) is always with the pressure medium inlet (1) connected.
  • the control valve (30) can thus the compressed air from the compressed air reservoir (70) through the compressed air duct (37) flow and the reset devices (44, 54) with Apply pressure. If the control valve (30), however is not actuated, then the reset devices (44, 54) pressurized air Flow out into the atmosphere via the compressed air duct (35).
  • a valve device of the type previously described is also known from DE 34 20 631 C2.
  • the present valve device also has Pressure medium outlet (2) a first passage cross section (3) with a large cross-sectional area, a second passage cross-section (4) with a smaller cross-sectional area as well a switching valve (5) for switching between these two passage cross sections (3, 4).
  • Pressure medium outlet (2) a first passage cross section (3) with a large cross-sectional area
  • a second passage cross-section (4) with a smaller cross-sectional area as well a switching valve (5) for switching between these two passage cross sections (3, 4).
  • a switching valve (5) for switching between these two passage cross sections (3, 4).
  • the changeover valve (5) is particularly simple and cost-effectively as a one-piece membrane Sealing element (6) of the valve device is formed.
  • the Membrane (5) is always via a compressed air channel (7) with the reset devices (44, 54) and over the previously described compressed air duct (37) with the third Control valve (30) pneumatically connected.
  • the membrane (5) then closes the compressed air duct (8).
  • the compressed air to be vented can then only through the Flush out compressed air duct with small passage cross section (4).
  • This can be the vented Compressed air additionally over that with a larger passage cross section the provided compressed air duct (8) escape, so that the compressed air channels (4, 8) together the first passage cross-section (3) with a large cross-sectional area form.
  • 3 is the valve device described above (9) upon actuation of the third control valve (30) shown.
  • the control valves (10, 20) are here not activated. It should be noted that the 3 the description of the mode of operation of the changeover valve (5) and the 3/2-way valves (41, 42, 51, 52) is used. In this operating state however, it is neither a damped nor an undamped Movement of the door carried out as described above - Both work connections (40, 50) with the pressure medium inlet (1) are connected.
  • FIG. 3 shows the valve piston (32) of the third control valve (30) in its second position.
  • the compressed air duct (37) via the compressed air duct (36) with the pressure medium inlet (1), so that both reset devices (44, 54) of the 3/2-way valves (41, 42, 51, 52) with the am Pressure medium inlet (1) available pressure is applied will.
  • the 3/2-way valves are therefore located (41, 42, 51, 52) each in their first switching position, so that the reset devices (44, 54) in Contrary to the representation in FIG. 2, not one another issue.
  • the signal in line (62) can be in Stepless or depending on the position of the door fine-grained between an upper and a lower value to be changed.
  • the lower one shown in FIG. 4 The value corresponds to the "door closed” state, the upper value corresponds to the "door open” state.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Fluid-Pressure Circuits (AREA)
EP97116426A 1996-11-06 1997-09-20 Dispositif de soupape pour système de porte actionné par fluide sous pression Expired - Lifetime EP0841453B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19645701A DE19645701A1 (de) 1996-11-06 1996-11-06 Ventileinrichtung für eine durch ein Druckmittel betätigbare Türanlage
DE19645701 1996-11-06

Publications (3)

Publication Number Publication Date
EP0841453A2 true EP0841453A2 (fr) 1998-05-13
EP0841453A3 EP0841453A3 (fr) 2000-03-08
EP0841453B1 EP0841453B1 (fr) 2002-02-27

Family

ID=7810790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97116426A Expired - Lifetime EP0841453B1 (fr) 1996-11-06 1997-09-20 Dispositif de soupape pour système de porte actionné par fluide sous pression

Country Status (2)

Country Link
EP (1) EP0841453B1 (fr)
DE (2) DE19645701A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4047218A1 (fr) * 2021-02-19 2022-08-24 SMC Corporation Circuit de fluide pour vérin pneumatique

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20218487U1 (de) 2002-11-28 2003-03-13 Rexroth Mecman GmbH, 30453 Hannover Pneumatisch endlagengedämpfte Antriebsordnung, insbesondere für einen Türantrieb
DE10305954B3 (de) * 2003-02-12 2004-07-01 Rexroth Mecman Gmbh Endlagengedämpfter Pneumatikzylinder mit verstellbarer Endlagendämpfung
DE102008011315B4 (de) * 2008-02-27 2012-04-19 Daimler Ag Pneumatische Fahrzeugtürsteuerung
DE102009020480A1 (de) 2009-05-08 2010-11-11 Robert Bosch Gmbh Endlagengedämpfter Druckmittelzylinder
DE102009034170B4 (de) 2009-07-22 2017-10-26 Wabco Gmbh Türbetätigungsventileinrichtung für eine druckmittelbetätigbare Fahrzeugtüranlage
DE102009034790B4 (de) 2009-07-25 2024-02-01 Aventics Gmbh Zylinder mit Endlagendämpfung
DE102011001003B4 (de) 2011-03-01 2014-05-15 Reinhold Schulte Fahrzeugtür-Steuerkreis
DE102016010481B3 (de) 2016-08-31 2017-07-13 Aventics Gmbh Pneumatische Steuerung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032730A1 (de) * 1980-08-30 1982-04-15 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Schaltbares, pneumatisches ventil
DE3345631A1 (de) * 1983-12-16 1985-06-27 Knorr-Bremse GmbH, 8000 München Steuereinrichtung zur endlagendaempfung eines wahlweise pneumatisch oder manuell bewegbaren kolbens eines tuerschliesszylinders
DE3420631A1 (de) * 1984-06-02 1985-12-05 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Tuerbetaetigungsanlage
DE3420632A1 (de) * 1984-06-02 1985-12-05 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Tuerventil
DE3708989A1 (de) * 1987-03-19 1988-10-06 Festo Kg Steuervorrichtung fuer einen doppeltwirkenden zylinder
DE3804081A1 (de) * 1988-02-10 1989-08-24 Knorr Bremse Ag Druckmittelbetaetigter tuerantrieb

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032730A1 (de) * 1980-08-30 1982-04-15 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Schaltbares, pneumatisches ventil
DE3345631A1 (de) * 1983-12-16 1985-06-27 Knorr-Bremse GmbH, 8000 München Steuereinrichtung zur endlagendaempfung eines wahlweise pneumatisch oder manuell bewegbaren kolbens eines tuerschliesszylinders
DE3420631A1 (de) * 1984-06-02 1985-12-05 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Tuerbetaetigungsanlage
DE3420632A1 (de) * 1984-06-02 1985-12-05 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Tuerventil
DE3708989A1 (de) * 1987-03-19 1988-10-06 Festo Kg Steuervorrichtung fuer einen doppeltwirkenden zylinder
DE3804081A1 (de) * 1988-02-10 1989-08-24 Knorr Bremse Ag Druckmittelbetaetigter tuerantrieb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4047218A1 (fr) * 2021-02-19 2022-08-24 SMC Corporation Circuit de fluide pour vérin pneumatique
US11619245B2 (en) 2021-02-19 2023-04-04 Smc Corporation Fluid circuit for air cylinder

Also Published As

Publication number Publication date
EP0841453A3 (fr) 2000-03-08
EP0841453B1 (fr) 2002-02-27
DE59706484D1 (de) 2002-04-04
DE19645701A1 (de) 1998-05-07

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