DE2222185A1 - Hydraulisches System - Google Patents

Hydraulisches System

Info

Publication number
DE2222185A1
DE2222185A1 DE19722222185 DE2222185A DE2222185A1 DE 2222185 A1 DE2222185 A1 DE 2222185A1 DE 19722222185 DE19722222185 DE 19722222185 DE 2222185 A DE2222185 A DE 2222185A DE 2222185 A1 DE2222185 A1 DE 2222185A1
Authority
DE
Germany
Prior art keywords
piston
chamber
point
valve
throttle
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.)
Pending
Application number
DE19722222185
Other languages
German (de)
English (en)
Inventor
Christian Tanguy
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.)
DBA SA
Original Assignee
DBA SA
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 DBA SA filed Critical DBA SA
Publication of DE2222185A1 publication Critical patent/DE2222185A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/148—Arrangements for pressure supply
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors
    • 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable 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
    • F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
    • 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
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2562—Dividing and recombining
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • Y10T137/2663—Pressure responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Steering Mechanism (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Arrangements (AREA)
DE19722222185 1971-05-07 1972-05-05 Hydraulisches System Pending DE2222185A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7116534A FR2136857B1 (enExample) 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
DE2222185A1 true DE2222185A1 (de) 1972-11-16

Family

ID=9076610

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722222185 Pending DE2222185A1 (de) 1971-05-07 1972-05-05 Hydraulisches System

Country Status (10)

Country Link
US (1) US3785393A (enExample)
BR (1) BR7202795D0 (enExample)
CA (1) CA945870A (enExample)
DE (1) DE2222185A1 (enExample)
ES (1) ES402480A1 (enExample)
FR (1) FR2136857B1 (enExample)
GB (1) GB1325417A (enExample)
IT (1) IT954989B (enExample)
NL (1) NL7206092A (enExample)
SE (1) SE378653B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324059A1 (de) * 1973-05-12 1974-11-28 Teves Gmbh Alfred Druckgesteuertes wegeventil
DE2352275A1 (de) * 1973-10-18 1975-04-24 Volkswagenwerk Ag Hydraulische schaltungsanordnung fuer ein speicherladeventil, insbesondere fuer kraftfahrzeuge
DE2952369A1 (de) * 1979-12-24 1981-09-03 Integral Hydraulik & Co, 4000 Düsseldorf Hydraulische vorrangschaltung, insbesondere fuer hydraulikanlagen von fahrzeugen
DE3101906A1 (de) * 1981-01-22 1982-09-02 Alfred Teves Gmbh, 6000 Frankfurt Druckbegrenzungsventil-anordnung fuer zwei arbeitskreise

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889467A (en) * 1974-06-24 1975-06-17 Midland Ross Corp Accumulator arrangement for a booster brake mechanism
FR2395442A1 (fr) * 1977-06-21 1979-01-19 Dba Conjoncteur-disjoncteur hydraulique
US4317332A (en) * 1979-02-28 1982-03-02 General Motors Corporation Hydraulic power brake system and hydraulic brake booster and controls therefor
DE2935949A1 (de) * 1979-09-06 1981-03-26 Alfred Teves GmbH, 60488 Frankfurt Ventileinrichtung
DE3011518A1 (de) * 1980-03-25 1981-10-01 G.L. Rexroth Gmbh, 8770 Lohr Ladeventil fuer einen hydrospeicher
DE3034467A1 (de) * 1980-09-12 1982-05-19 Mannesmann Rexroth GmbH, 8770 Lohr Hydraulische vorrichtung zum ueberwachen einer verbindung
DE3133964A1 (de) * 1981-08-27 1983-03-10 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung
FR2524665A1 (fr) * 1982-03-30 1983-10-07 Dba Valve de regulation pour alimentation simutanee de systemes hydrauliques a centre ferme et a centre ouvert
GB2140110B (en) * 1983-04-30 1987-02-04 Lucas Ind Plc Vehicle hydraulic systems
GB2166098B (en) * 1984-10-31 1987-10-28 Trw Cam Gears Ltd Vehicle hydraulic servo system
SE464533B (sv) * 1989-09-01 1991-05-06 Kamyr Ab Anordning foer mottagande och efterfoeljande uttoemning av hydraulvaetska ur hydraulsystem
GB9416836D0 (en) * 1994-08-19 1994-10-12 Automotive Products Plc Fluid pressure supply system
KR100388679B1 (ko) * 1994-11-09 2003-10-04 루크 레밍턴 리미티드 작동시스템
DE19710059C1 (de) * 1997-03-12 1998-07-09 Grau Gmbh Druckluftaufbereitungseinrichtung für Druckluftbeschaffungsanlagen auf Kraftfahrzeugen
DE19735647C1 (de) * 1997-08-16 1999-02-25 Trw Fahrwerksyst Gmbh & Co Verfahren zum Steuern des Lenkvolumenstromes einer hydraulischen Servolenkeinrichtung für Kraftfahrzeuge
DE10027734A1 (de) * 2000-06-03 2001-12-06 Hydraulik Ring Gmbh Hydrauliksystem zum Betätigen von wenigstens zwei Funktionsbereichen in einem Fahrzeug,vorzugsweise zum Lenken und Schalten eines Kraftfahrzeuges
US7784879B2 (en) * 2002-07-16 2010-08-31 Haldex Brake Corporation Electronic control air management with parking brake and trailer supply control
US7739943B2 (en) * 2006-09-20 2010-06-22 Gm Global Technology Operations, Inc. Vehicular hydraulic system with pressure dump and relief valve arrangement
US7730825B2 (en) 2006-09-20 2010-06-08 Gm Global Technology Operations, Inc. Vehicular hydraulic system with priority valve and relief valve
US20080067865A1 (en) * 2006-09-20 2008-03-20 Wong Albert C Vehicular hydraulic system with relief valve
US7765915B2 (en) 2006-09-20 2010-08-03 Gm Global Technology Operations, Inc. Vehicular hydraulic system with dual relief valve
US20080066990A1 (en) * 2006-09-20 2008-03-20 Wong Albert C Vehicular hydraulic system with pressure reducing valve
US7739942B2 (en) * 2006-09-20 2010-06-22 Gm Global Technology Operations, Inc. Vehicular hydraulic system with pressure dump valve
US20080067864A1 (en) * 2006-09-20 2008-03-20 Wong Albert C Vehicular hydraulic system with check valve
US7779744B2 (en) 2006-09-20 2010-08-24 Gm Global Technology Operations, Inc. Vehicular hydraulic system with priority valve
US8240291B2 (en) * 2009-10-23 2012-08-14 Caterpillar Inc. Pressure relief valve
CN102963345B (zh) * 2012-12-04 2014-10-01 大连华锐重工集团股份有限公司 一种带速度补偿器的被动式液压制动器液压系统
US10001147B2 (en) * 2015-05-15 2018-06-19 Caterpillar Inc. Independent metering valve priority in open center hydraulic system
CN108050115A (zh) * 2018-01-22 2018-05-18 江苏石川岛丰东真空技术有限公司 一种真空炉装料油压控制装置及控制方法
CN114179907B (zh) * 2022-01-06 2022-11-01 安徽合力股份有限公司 一种电动工业车辆液压转向和驻车制动控制液压系统
CN117184021B (zh) * 2023-09-27 2024-07-02 湖北盛达动力科技有限公司 一种车辆液压制动系统及其控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799996A (en) * 1954-06-07 1957-07-23 Vickers Inc Single pump, plural motor power transmission
US2793498A (en) * 1955-08-29 1957-05-28 New Prod Corp Hydraulic system and unloader valve therefor
US2846850A (en) * 1956-07-02 1958-08-12 Thompson Prod Inc Control valve
US3575192A (en) * 1969-01-27 1971-04-20 Bendix Corp Vehicle hydraulic system and pressure regulator therefor
US3692039A (en) * 1970-12-21 1972-09-19 Bendix Corp Charging valve
US3703186A (en) * 1971-08-12 1972-11-21 Gen Motors Corp Flow divider control valve assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324059A1 (de) * 1973-05-12 1974-11-28 Teves Gmbh Alfred Druckgesteuertes wegeventil
DE2352275A1 (de) * 1973-10-18 1975-04-24 Volkswagenwerk Ag Hydraulische schaltungsanordnung fuer ein speicherladeventil, insbesondere fuer kraftfahrzeuge
DE2952369A1 (de) * 1979-12-24 1981-09-03 Integral Hydraulik & Co, 4000 Düsseldorf Hydraulische vorrangschaltung, insbesondere fuer hydraulikanlagen von fahrzeugen
DE3101906A1 (de) * 1981-01-22 1982-09-02 Alfred Teves Gmbh, 6000 Frankfurt Druckbegrenzungsventil-anordnung fuer zwei arbeitskreise

Also Published As

Publication number Publication date
ES402480A1 (es) 1975-03-16
NL7206092A (enExample) 1972-11-09
BR7202795D0 (pt) 1973-05-31
CA945870A (en) 1974-04-23
GB1325417A (en) 1973-08-01
FR2136857A1 (enExample) 1972-12-29
IT954989B (it) 1973-09-15
FR2136857B1 (enExample) 1974-04-05
US3785393A (en) 1974-01-15
SE378653B (enExample) 1975-09-08

Similar Documents

Publication Publication Date Title
DE1655449B2 (de) Vorrichtung zum Verhindern des Blockierens eines Fahrzeugrades mit einer hydraulischen Bremsanlage
DE3118576A1 (de) Regeleinrichtung fuer eine verstellpumpe
DE2644659A1 (de) Vorrichtung fuer hydraulische bremssysteme mit blockiereinrichtung
DE1060681B (de) Selbsttaetiges Steuerventil
DE1188886B (de) Steuerung fuer einen doppeltwirkenden Druckmittelmotor mit einem Steuerschieber
DE2134007A1 (de) Kraftstoff Einspritzvorrichtung fur Brennkraftmotoren
DE2001680A1 (de) Hydraulisches Steuerventil
DE2910623C2 (de) Steuervorrichtung für ein hydraulisches System
DE3525532A1 (de) Hydraulikbremsdruck-regeleinrichtung fuer fahrzeuge
DE3506087A1 (de) Bremsdruckgenerator fuer eine zweikreisbremsanlage
DE2620613A1 (de) Hydraulische bremsanlage mit blockierschutzeinrichtung fuer fahrzeuge
DE3538317A1 (de) Hydraulischer druckverstaerker
DE3046530A1 (de) Hydrauliksystem fuer ein kraftfahrzeug
DE2240012C3 (de) Steuereinrichtung für hydrostatische Hilfskraftlenkungen o.dgl.
DE2155669B2 (de) Hydraulischer Bremskraftverstärker, insbesondere für Kraftfahrzeuge
DE3422983A1 (de) Drucklufteinrichtung mit zwei kreisen mit unterschiedlichen druecken
DE2910415A1 (de) Hydraulischer druckumsetzer
DE2925300A1 (de) Hydraulischer bremskraftverstaerker
DE2401101C3 (de) Steuerschieber-Vorrichtung zur allmählichen Steigerung des Flüssigkeitsdrucks in einer hydraulischen Steuerleitung für ein Gangschalt-Getriebe
DE3225131A1 (de) Kraftstoffeinspritzduese
DE4016751A1 (de) Bremsdruckregelvorrichtung
EP0072951A2 (de) Hydraulische Steuereinrichtung
DE1680279A1 (de) Hydrodynamische Bremsvorrichtung,insbesondere fuer Motorfahrzeuge mit hydrostatischer Bremssicherheit
DE19436C (de) Neuerungen an Bremsapparaten für Eisenbahnfuhrwerke
DE671294C (de) Hydraulischer Servomotor mit Druckfluessigkeitsspeicher fuer Regler

Legal Events

Date Code Title Description
OHA Expiration of time for request for examination