ZA821521B - Control system for a clutch - Google Patents

Control system for a clutch

Info

Publication number
ZA821521B
ZA821521B ZA821521A ZA821521A ZA821521B ZA 821521 B ZA821521 B ZA 821521B ZA 821521 A ZA821521 A ZA 821521A ZA 821521 A ZA821521 A ZA 821521A ZA 821521 B ZA821521 B ZA 821521B
Authority
ZA
South Africa
Prior art keywords
fluid
valve
clutch
control
pressurized
Prior art date
Application number
ZA821521A
Other languages
English (en)
Inventor
Ralph Edwin Shirley
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 ZA821521B publication Critical patent/ZA821521B/xx

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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/14—Fluid pressure control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D48/04—Control by fluid pressure providing power assistance
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Mechanical Operated Clutches (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Vending Machines For Individual Products (AREA)
ZA821521A 1981-03-09 1982-03-08 Control system for a clutch ZA821521B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/241,871 US4396099A (en) 1981-03-09 1981-03-09 Control system for a clutch

Publications (1)

Publication Number Publication Date
ZA821521B true ZA821521B (en) 1983-10-26

Family

ID=22912501

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA821521A ZA821521B (en) 1981-03-09 1982-03-08 Control system for a clutch

Country Status (13)

Country Link
US (1) US4396099A (pt)
EP (1) EP0059968B1 (pt)
JP (1) JPS57161323A (pt)
AT (1) ATE10131T1 (pt)
AU (1) AU8108582A (pt)
BR (1) BR8201152A (pt)
CA (1) CA1171806A (pt)
DE (1) DE3261093D1 (pt)
DK (1) DK102082A (pt)
ES (1) ES510217A0 (pt)
FI (1) FI820697L (pt)
NO (1) NO820727L (pt)
ZA (1) ZA821521B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651858A (en) * 1985-01-11 1987-03-24 J. I. Case Company Clutch disengagement control system
DE3663985D1 (en) * 1985-03-18 1989-07-20 Eaton Corp Fluid operated clutch system
US4650048A (en) * 1985-09-24 1987-03-17 Deere & Company Control system for transmission engagement
US5111921A (en) * 1990-11-20 1992-05-12 Deere & Company Park brake sensor and transmission override
DE4100672C1 (pt) * 1991-01-11 1992-02-20 Mannesmann Rexroth Gmbh, 8770 Lohr, De
JP2553681Y2 (ja) * 1992-04-28 1997-11-12 日東精工株式会社 ねじ類供給装置の停止構造
US5261456A (en) * 1992-11-02 1993-11-16 Deere & Company Transmission engagement override valve
GB9406193D0 (en) * 1994-03-29 1994-05-18 Massey Ferguson Sa Hydraulic control valve assembly

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198027A (en) * 1961-11-06 1965-08-03 Caterpillar Tractor Co Hydraulic transmission control
US3181394A (en) * 1962-03-19 1965-05-04 Caterpillar Tractor Co Hydraulic controls
US3217726A (en) * 1963-02-25 1965-11-16 Caterpillar Tractor Co Transmission control system employing a differential check valve
US3386540A (en) * 1966-01-18 1968-06-04 Caterpillar Tractor Co Transmission and control system therefor
US3468194A (en) * 1967-05-10 1969-09-23 Caterpillar Tractor Co Hydraulic pressure modulating transmission control system
US3527326A (en) * 1968-11-27 1970-09-08 Gen Motors Corp Transmission neutral start control valve
US3596536A (en) * 1969-10-24 1971-08-03 Caterpillar Tractor Co Transmission shift control with conditional automatic neutralizing means
US3633440A (en) * 1970-02-24 1972-01-11 Gen Motors Corp Transmission control
US3640146A (en) * 1970-05-28 1972-02-08 Caterpillar Tractor Co Hydraulic safety override valve
BE789030A (fr) * 1971-03-08 1973-01-15 Caterpillar Tractor Co Système hydraulique compact pour faire passer une transmission d'un état à un autre.
DE2241178A1 (de) * 1972-08-22 1974-03-07 Maschf Augsburg Nuernberg Ag Steuereinrichtung
US3863523A (en) * 1973-06-25 1975-02-04 Caterpillar Tractor Co Hydraulic safety system for a vehicle transmission
US3882738A (en) * 1973-12-03 1975-05-13 Caterpillar Tractor Co Simplified fluid circuit for shifting a transmission
US4111071A (en) * 1974-09-06 1978-09-05 Caterpillar Tractor Co. Modulating relief valve with hydraulic safety
US4209985A (en) * 1978-12-11 1980-07-01 Caterpillar Tractor Co. Transmission control system
JPS57500309A (pt) * 1980-03-12 1982-02-18

Also Published As

Publication number Publication date
NO820727L (no) 1982-09-10
ATE10131T1 (de) 1984-11-15
EP0059968A1 (de) 1982-09-15
AU8108582A (en) 1982-09-16
CA1171806A (en) 1984-07-31
JPS57161323A (en) 1982-10-04
BR8201152A (pt) 1983-01-11
DK102082A (da) 1982-09-10
ES8400807A1 (es) 1983-11-01
EP0059968B1 (en) 1984-10-31
DE3261093D1 (en) 1984-12-06
FI820697L (fi) 1982-09-10
ES510217A0 (es) 1983-11-01
US4396099A (en) 1983-08-02

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