FR2232715A1 - - Google Patents

Info

Publication number
FR2232715A1
FR2232715A1 FR7419310A FR7419310A FR2232715A1 FR 2232715 A1 FR2232715 A1 FR 2232715A1 FR 7419310 A FR7419310 A FR 7419310A FR 7419310 A FR7419310 A FR 7419310A FR 2232715 A1 FR2232715 A1 FR 2232715A1
Authority
FR
France
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
FR7419310A
Other languages
French (fr)
Other versions
FR2232715B1 (it
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 Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of FR2232715A1 publication Critical patent/FR2232715A1/fr
Application granted granted Critical
Publication of FR2232715B1 publication Critical patent/FR2232715B1/fr
Expired legal-status Critical Current

Links

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
    • 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
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • B62D5/32—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems
    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
    • 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
    • Y10T137/2564—Plural inflows
    • Y10T137/2572—One inflow supplements another
    • 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
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2587—Bypass or relief valve biased open

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Multiple-Way Valves (AREA)
  • Power Steering Mechanism (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
  • Servomotors (AREA)
FR7419310A 1973-06-08 1974-06-05 Expired FR2232715B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2329328A DE2329328C2 (de) 1973-06-08 1973-06-08 Automatisches Zuschaltventil

Publications (2)

Publication Number Publication Date
FR2232715A1 true FR2232715A1 (it) 1975-01-03
FR2232715B1 FR2232715B1 (it) 1981-01-30

Family

ID=5883480

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419310A Expired FR2232715B1 (it) 1973-06-08 1974-06-05

Country Status (10)

Country Link
US (1) US3882678A (it)
JP (1) JPS5818521B2 (it)
BR (1) BR7404655D0 (it)
DE (1) DE2329328C2 (it)
ES (1) ES426731A1 (it)
FR (1) FR2232715B1 (it)
GB (1) GB1469458A (it)
IT (1) IT1013262B (it)
SE (1) SE398623B (it)
YU (1) YU39071B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397311A1 (fr) * 1977-07-15 1979-02-09 Zahnradfabrik Friedrichshafen Mecanisme de direction assistee pour vehicules a moteur
FR2405854A1 (fr) * 1977-10-17 1979-05-11 Honda Motor Co Ltd Dispositif de direction assistee pour vehicules
EP0202721A1 (en) * 1985-05-23 1986-11-26 Dow Chemical (Nederland) B.V. Switch valve

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2512432A1 (de) * 1975-03-21 1976-09-30 Zahnradfabrik Friedrichshafen Ventil fuer hydrauliksysteme
DE2518738A1 (de) * 1975-04-26 1976-11-04 Zahnradfabrik Friedrichshafen Ventil fuer hydrauliksysteme
JPS5345379U (it) * 1976-09-20 1978-04-18
US4275865A (en) * 1977-08-24 1981-06-30 Lucas Industries Limited Fluid control valves
DE2800405C2 (de) * 1978-01-05 1986-10-02 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulische Hilfskraftlenkung für Kraftfahrzeuge mit einem Umschaltventil zum Zuschalten einer Reservepumpe
DE2814163A1 (de) * 1978-04-01 1979-10-11 Teves Gmbh Alfred Notversorgungssystem
DE2825578C2 (de) * 1978-06-10 1984-01-26 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Automatisches Zuschaltventil für Hydrauliksysteme
JPS55139531A (en) * 1979-04-13 1980-10-31 Akebono Brake Ind Co Ltd Method of preventing generation of noise at actuating disk brake and disk brake capable of preventing generation of noise at actuating brake
DE2924222C2 (de) * 1979-06-15 1985-09-05 Pierburg Gmbh & Co Kg, 4040 Neuss Steuerventilanordnung für eine Einrichtung zur Erzeugung von Unterdruck für unterdruckverbrauchende Systeme
US4357995A (en) * 1980-12-22 1982-11-09 Westinghouse Electric Corp. Hydraulic system including oil replenishment for multi-stage hydraulic jack
DE3210759A1 (de) * 1981-09-17 1983-10-06 Walter Schopf Pumpenkombination mit mengenreguliereinrichtung
JPH0629040B2 (ja) * 1984-10-11 1994-04-20 光洋精工株式会社 動力舵取装置の油圧反力制御装置
GB2171778B (en) * 1985-03-01 1988-11-30 Coal Ind Hydraulic valve block for determining the operational condition of hydraulic circuits
JPS63115935U (it) * 1987-01-20 1988-07-26
JPS63146234U (it) * 1987-03-18 1988-09-27
US6116217A (en) * 1998-09-29 2000-09-12 Stanadyne Automotive Corp. Full authority rail pressure-reduction valve
DE102004058261A1 (de) * 2004-12-03 2006-06-08 Volkswagen Ag Pumpe mit zwei Pumpstufen und Verfahren zur Ölversorgung eines Fahrzeuggetriebes und einer dem Fahrzeuggetriebe zugehörigen Kupplungsanordnung
GB0515494D0 (en) * 2005-07-28 2005-08-31 Bamford Excavators Ltd Fluid pumping apparatus
US7415820B2 (en) 2006-02-27 2008-08-26 Gm Global Technology Operations, Inc. Hybrid powertrain with valve assembly for dual pumps
DE102007012716B4 (de) * 2007-03-16 2010-01-28 GM Global Technology Operations, Inc., Detroit Hybridantriebsstrang mit einer Ventilanordnung für zwei Pumpen
WO2010038622A1 (ja) * 2008-10-01 2010-04-08 株式会社 島津製作所 流量制御弁装置
US9108476B2 (en) 2012-07-19 2015-08-18 The Goodyear Tire & Rubber Company Bypass air maintenance tire and pump assembly
US9052712B2 (en) * 2012-10-26 2015-06-09 Hamilton Sundstrand Corporation Regulator valve with axial vent
CN104742964A (zh) * 2013-12-26 2015-07-01 湖北万山宏业汽车零部件有限公司 工程机械用应急转向系统
US9840273B2 (en) 2015-12-07 2017-12-12 Caterpillar Inc. Electrohydraulic steering system with diagnostics
US10190718B2 (en) 2016-06-08 2019-01-29 Baker Hughes, A Ge Company, Llc Accumulator assembly, pump system having accumulator assembly, and method
CN106286925B (zh) * 2016-08-17 2018-11-16 中国航空工业集团公司西安飞行自动控制研究所 一种新型稳压溢流阀
JP6972608B2 (ja) * 2017-03-27 2021-11-24 日本電産トーソク株式会社 スプールバルブ
CN110318886A (zh) * 2019-07-16 2019-10-11 中国航发沈阳发动机研究所 一种基于双联齿轮泵的燃油计量系统及其匹配方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440371A (en) * 1946-02-01 1948-04-27 George M Holley Emergency pump
DE2158870C2 (de) * 1971-11-27 1973-09-27 Eaton Gmbh, 5620 Velbert Hydraulische Servoanlage mit zwei Pumpen und mehreren Hydromotoren

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397311A1 (fr) * 1977-07-15 1979-02-09 Zahnradfabrik Friedrichshafen Mecanisme de direction assistee pour vehicules a moteur
FR2405854A1 (fr) * 1977-10-17 1979-05-11 Honda Motor Co Ltd Dispositif de direction assistee pour vehicules
EP0202721A1 (en) * 1985-05-23 1986-11-26 Dow Chemical (Nederland) B.V. Switch valve

Also Published As

Publication number Publication date
YU39071B (en) 1984-04-30
SE398623B (sv) 1978-01-09
ES426731A1 (es) 1976-07-01
FR2232715B1 (it) 1981-01-30
DE2329328A1 (de) 1975-01-02
GB1469458A (en) 1977-04-06
JPS5818521B2 (ja) 1983-04-13
DE2329328C2 (de) 1985-03-28
YU145874A (en) 1982-05-31
SE7407132L (it) 1974-12-09
BR7404655D0 (pt) 1974-12-03
IT1013262B (it) 1977-03-30
US3882678A (en) 1975-05-13
JPS5032374A (it) 1975-03-29

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Legal Events

Date Code Title Description
ST Notification of lapse