IT1127423B - Comando di trasmissione azionato idraulicamente - Google Patents

Comando di trasmissione azionato idraulicamente

Info

Publication number
IT1127423B
IT1127423B IT48331/80A IT4833180A IT1127423B IT 1127423 B IT1127423 B IT 1127423B IT 48331/80 A IT48331/80 A IT 48331/80A IT 4833180 A IT4833180 A IT 4833180A IT 1127423 B IT1127423 B IT 1127423B
Authority
IT
Italy
Prior art keywords
transmission control
hydraulically operated
operated transmission
hydraulically
control
Prior art date
Application number
IT48331/80A
Other languages
English (en)
Other versions
IT8048331A0 (it
Inventor
Gordon Leroy Marquart
Original Assignee
Deere & Co
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 Deere & Co filed Critical Deere & Co
Publication of IT8048331A0 publication Critical patent/IT8048331A0/it
Application granted granted Critical
Publication of IT1127423B publication Critical patent/IT1127423B/it

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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • 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
    • Y10T137/86582—Pilot-actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Agricultural Machines (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Gear-Shifting Mechanisms (AREA)
IT48331/80A 1979-04-04 1980-04-03 Comando di trasmissione azionato idraulicamente IT1127423B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/027,158 US4296649A (en) 1979-04-04 1979-04-04 Hydraulically operated transmission control

Publications (2)

Publication Number Publication Date
IT8048331A0 IT8048331A0 (it) 1980-04-03
IT1127423B true IT1127423B (it) 1986-05-21

Family

ID=21836038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48331/80A IT1127423B (it) 1979-04-04 1980-04-03 Comando di trasmissione azionato idraulicamente

Country Status (12)

Country Link
US (1) US4296649A (it)
JP (1) JPS55135262A (it)
AR (1) AR242850A1 (it)
AU (1) AU549624B2 (it)
BR (1) BR8002096A (it)
CA (1) CA1143631A (it)
DE (1) DE3012409A1 (it)
ES (1) ES490232A0 (it)
FR (1) FR2453331B1 (it)
GB (1) GB2046376B (it)
IT (1) IT1127423B (it)
MX (1) MX149822A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE24976T1 (de) * 1981-08-03 1987-01-15 Deere & Co Anordnung eines zapfwellenhebels fuer einen traktor.
GB2108584A (en) * 1981-10-06 1983-05-18 Newage Transmissions Limited Oil-pump arrangements
ATE25871T1 (de) * 1982-06-23 1987-03-15 Deere & Co Hydraulische reguliereinrichtung.
GB2336641B (en) * 1998-04-25 2002-10-16 Agco Gmbh & Co Hydraulic system for a power-take-off clutch
US6099264A (en) * 1998-08-27 2000-08-08 Itt Manufacturing Enterprises, Inc. Pump controller
US6944529B2 (en) * 2003-09-12 2005-09-13 Ford Global Technologies, Llc Automatic fluid draining from a hydraulic system component of an automatic transmission
DE102010062293B4 (de) 2010-12-01 2021-10-14 Zf Friedrichshafen Ag Hydrauliksystem und Verfahren zum Einstellen eines Systemdruckes bei einem Hydrauliksystem
AU2012214560B2 (en) 2011-02-09 2016-03-31 Allison Transmission, Inc. Scavenge pump oil level control system and method
EP2675682B1 (en) 2011-02-17 2019-12-11 Allison Transmission, Inc. Hydraulic system and method for a hybrid vehicle
CN103459223B (zh) * 2011-03-11 2017-05-24 艾里逊变速箱公司 堵塞的过滤器的检测系统和方法
WO2012177815A1 (en) 2011-06-22 2012-12-27 Allison Transmission, Inc. Low level oil detection system and method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127679B (de) * 1957-06-29 1962-04-12 Beteiligungs & Patentverw Gmbh Schaltvorrichtung fuer eine mit Arbeitsmitteldruck arbeitende Gangstufe eines Zahnraederwechselgetriebes
DE1186341B (de) * 1957-08-31 1965-01-28 Bosch Gmbh Robert Hydraulische Anlage, insbesondere fuer Kraftfahrzeuge
US3018786A (en) * 1959-01-23 1962-01-30 James L Stratton Safety brake valve
DE1292514B (de) * 1959-04-28 1969-04-10 Caterpillar Tractor Co Hydraulische Steueranordnung fuer Stufenwechselgetriebe, insbesondere fuer Traktoren
US3469472A (en) * 1967-01-26 1969-09-30 Case Co J I Transmission control
US3669147A (en) * 1971-02-18 1972-06-13 Sperry Rand Corp Power transmission
GB1382331A (en) * 1972-01-14 1975-01-29 Ass Eng Ltd Automatic transmission control systems
US3788339A (en) * 1972-08-18 1974-01-29 Nutron Corp Fluid controlling
US3916934A (en) * 1974-02-11 1975-11-04 Gen Motors Corp Transmission control with essentially rateless regulator valve
US3927579A (en) * 1974-03-14 1975-12-23 Caterpillar Tractor Co Down shift inhibitor system for automatic transmission control
JPS5328572B2 (it) * 1974-03-19 1978-08-15
US3998111A (en) * 1975-03-24 1976-12-21 Caterpillar Tractor Co. Fluid circuit for shifting a transmission
JPS5230663A (en) * 1975-08-28 1977-03-08 Hokkaido Sugar Co Process for producing granular calcium fertilizer
JPS5828458B2 (ja) * 1975-09-25 1983-06-16 トヨタ自動車株式会社 ジドウヘンソクキノ ユアツセイギヨソウチ
DE2557586C3 (de) * 1975-12-20 1980-04-30 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Druckmittelanlage für ein lastschaltbares Wechselgetriebe für Fahrzeuge mit einer Primär- und einer Sekundärpumpe
US4083382A (en) * 1976-06-03 1978-04-11 J. I. Case Company Regulating valve with hydraulic detent
DE2658195C2 (de) * 1976-12-22 1978-12-14 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Druckmittelkreislauf für ein hydrodynamisch-mechanisches Verbundgetriebe
GB1518614A (en) * 1977-04-12 1978-07-19 Automotive Prod Co Ltd Automatic transmission controls
US4235415A (en) * 1978-12-22 1980-11-25 Allis-Chalmers Corporation Auxiliary spring assisted valve linkage

Also Published As

Publication number Publication date
FR2453331A1 (fr) 1980-10-31
AU5704380A (en) 1980-10-09
BR8002096A (pt) 1980-11-25
MX149822A (es) 1983-12-27
CA1143631A (en) 1983-03-29
ES8103311A1 (es) 1981-02-16
AR242850A1 (es) 1993-05-31
GB2046376B (en) 1983-01-26
AU549624B2 (en) 1986-02-06
ES490232A0 (es) 1981-02-16
JPS55135262A (en) 1980-10-21
GB2046376A (en) 1980-11-12
US4296649A (en) 1981-10-27
IT8048331A0 (it) 1980-04-03
DE3012409C2 (it) 1987-10-29
FR2453331B1 (fr) 1985-12-20
DE3012409A1 (de) 1980-10-09

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