FR2216495A1 - - Google Patents

Info

Publication number
FR2216495A1
FR2216495A1 FR7403340A FR7403340A FR2216495A1 FR 2216495 A1 FR2216495 A1 FR 2216495A1 FR 7403340 A FR7403340 A FR 7403340A FR 7403340 A FR7403340 A FR 7403340A FR 2216495 A1 FR2216495 A1 FR 2216495A1
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
FR7403340A
Other languages
French (fr)
Other versions
FR2216495B1 (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.)
Fiat Allis Construction Machinery Inc
Original Assignee
Fiat Allis Construction Machinery Inc
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 Fiat Allis Construction Machinery Inc filed Critical Fiat Allis Construction Machinery Inc
Publication of FR2216495A1 publication Critical patent/FR2216495A1/fr
Application granted granted Critical
Publication of FR2216495B1 publication Critical patent/FR2216495B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86734—With metering feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Safety Valves (AREA)
FR7403340A 1973-02-01 1974-01-31 Expired FR2216495B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32876073A 1973-02-01 1973-02-01

Publications (2)

Publication Number Publication Date
FR2216495A1 true FR2216495A1 (it) 1974-08-30
FR2216495B1 FR2216495B1 (it) 1979-10-19

Family

ID=23282322

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403340A Expired FR2216495B1 (it) 1973-02-01 1974-01-31

Country Status (9)

Country Link
US (1) US3765454A (it)
JP (1) JPS49106028A (it)
BR (1) BR7400746D0 (it)
CA (1) CA991951A (it)
DE (1) DE2403430A1 (it)
ES (1) ES422788A1 (it)
FR (1) FR2216495B1 (it)
IT (1) IT1004305B (it)
SE (1) SE403398B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122867A (en) * 1975-01-06 1978-10-31 International Harvester Company Hydraulic valve with open center metering notches
DE2604108A1 (de) * 1975-02-04 1976-08-05 Caterpillar Tractor Co Drosselschlitz fuer einen ventilkolben
US4230152A (en) * 1978-01-16 1980-10-28 Fiat-Allis Construction Machinery, Inc. Multi-function control valve
JPS5825179B2 (ja) * 1978-02-17 1983-05-26 トヨタ自動車株式会社 絞り制御弁
WO1980001940A1 (en) * 1979-03-05 1980-09-18 Mcwilliams O Balanced spool valve
HU180152B (en) * 1980-07-03 1983-02-28 Danuvia Koezponti Szeszam Es K Hidraulic apparatus for controlling energy flow
GB8303407D0 (en) * 1983-02-08 1983-03-16 Tectron Eng Ltd Fuel injectors
US4676351A (en) * 1986-01-09 1987-06-30 Fiatallis Europe, S.P.A. Hydraulic operated control system to apply vehicle brakes
CN104047972B (zh) * 2014-06-19 2017-01-18 第一拖拉机股份有限公司 轮式拖拉机压力控制阀

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2029044A1 (it) * 1969-01-24 1970-10-16 Caterpillar Tractor Co

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986165A (en) * 1956-01-23 1961-05-30 Cleveland Pneumatic Ind Inc Balanced slide valve
US3004555A (en) * 1957-02-19 1961-10-17 Borg Warner Valves
DE1120230B (de) * 1958-05-16 1961-12-21 Karl Marx Stadt Maschf Steuerschieber mit drehbarem Kolben zur Feinregulierung insbesondere der Bewegung von Arbeitskolben
US2971536A (en) * 1958-06-26 1961-02-14 Caterpillar Tractor Co Hydraulic control valve throttling mechanism
US3148703A (en) * 1961-12-15 1964-09-15 Robertshaw Controls Co Rotary pneumatic pressure divider
US3176722A (en) * 1962-08-06 1965-04-06 Borg Warner Hydraulic valve device
GB1130898A (en) * 1964-11-21 1968-10-16 Dowty Hydraulic Units Ltd Slide valves
US3507303A (en) * 1967-07-24 1970-04-21 Sanders Associates Inc Linear pressure differential valve
BE759150A (fr) * 1969-11-19 1971-04-30 Fujitsu Ltd Soupape pilote rotative

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2029044A1 (it) * 1969-01-24 1970-10-16 Caterpillar Tractor Co

Also Published As

Publication number Publication date
DE2403430A1 (de) 1974-08-08
US3765454A (en) 1973-10-16
BR7400746D0 (pt) 1974-10-29
SE403398B (sv) 1978-08-14
IT1004305B (it) 1976-07-10
CA991951A (en) 1976-06-29
JPS49106028A (it) 1974-10-08
ES422788A1 (es) 1976-05-01
FR2216495B1 (it) 1979-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse