SE439179B - Pump eller motor med variabel slagvolym - Google Patents

Pump eller motor med variabel slagvolym

Info

Publication number
SE439179B
SE439179B SE7910110A SE7910110A SE439179B SE 439179 B SE439179 B SE 439179B SE 7910110 A SE7910110 A SE 7910110A SE 7910110 A SE7910110 A SE 7910110A SE 439179 B SE439179 B SE 439179B
Authority
SE
Sweden
Prior art keywords
return
pump
valve
shaft
control valve
Prior art date
Application number
SE7910110A
Other languages
English (en)
Swedish (sv)
Other versions
SE7910110L (sv
Inventor
J J Kass
D O Johannsen
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 SE7910110L publication Critical patent/SE7910110L/
Publication of SE439179B publication Critical patent/SE439179B/sv

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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Mechanically-Actuated Valves (AREA)
SE7910110A 1978-12-07 1979-12-07 Pump eller motor med variabel slagvolym SE439179B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/967,368 US4229144A (en) 1978-12-07 1978-12-07 Feedback shaft extending between swashplate and displacement control valve

Publications (2)

Publication Number Publication Date
SE7910110L SE7910110L (sv) 1980-06-08
SE439179B true SE439179B (sv) 1985-06-03

Family

ID=25512702

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7910110A SE439179B (sv) 1978-12-07 1979-12-07 Pump eller motor med variabel slagvolym

Country Status (10)

Country Link
US (1) US4229144A (it)
JP (1) JPS5578180A (it)
AU (1) AU5175479A (it)
CA (1) CA1136485A (it)
DE (1) DE2947651C2 (it)
ES (1) ES486637A1 (it)
FR (1) FR2443595B1 (it)
GB (1) GB2037017B (it)
IT (1) IT1164807B (it)
SE (1) SE439179B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31657E (en) * 1979-07-23 1984-09-04 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
JPS58113880U (ja) * 1982-01-29 1983-08-03 株式会社荏原製作所 斜板型油圧ポンプ又はモ−タの流量制御装置
US4715788A (en) * 1982-12-16 1987-12-29 Abex Corporation Servo control variable displacement pressure compensated pump
JPH05172052A (ja) * 1991-12-18 1993-07-09 Sanden Corp 可変容量斜板式圧縮機
DE19536553A1 (de) * 1995-09-30 1997-04-03 Eckehart Schulze Elektrohydraulische Steuerventilanordnung
US9309969B2 (en) 2013-02-22 2016-04-12 Cnh Industrial America Llc System and method for controlling a hydrostatic drive unit of a work vehicle
US12421956B2 (en) * 2022-12-05 2025-09-23 Hamilton Sundstrand Corporation Variable displacement pumps with fixed and active displacement control modes

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3332323A (en) * 1964-12-28 1967-07-25 Borg Warner Rotary actuator
SE341531B (it) * 1967-03-07 1971-12-27 Wytwornia Sprzetu Komunikacy I
FR2072473A5 (it) * 1970-02-27 1971-09-24 Orsta Hydraulik Veb K
JPS4963003A (it) * 1972-06-16 1974-06-19
DD98340A1 (it) * 1972-07-11 1973-06-12
US3810715A (en) * 1972-08-07 1974-05-14 Gen Motors Corp Hydrostatic machine valve biasing system
US3803987A (en) * 1972-11-14 1974-04-16 Abex Corp Servoactuated hydraulic transducer apparatus
US3857541A (en) * 1973-06-14 1974-12-31 Moog Inc Servovalve with oscillation filter
US4028010A (en) * 1974-06-21 1977-06-07 Caterpillar Tractor Co. Reversible, variable-displacement piston pump with positioner means for automatic return to zero displacement
US4072442A (en) * 1975-07-04 1978-02-07 Takeshi Horiuchi Variable delivery hydraulic pump
DE2900755A1 (de) * 1978-01-16 1979-07-19 Moog Inc Hydraulische vorrichtung
US4205590A (en) * 1978-02-06 1980-06-03 Moog Inc. Positive feedback mechanism for servocontroller of fluid operated actuator

Also Published As

Publication number Publication date
US4229144A (en) 1980-10-21
CA1136485A (en) 1982-11-30
GB2037017A (en) 1980-07-02
JPS5578180A (en) 1980-06-12
IT7951010A0 (it) 1979-12-06
ES486637A1 (es) 1980-06-16
IT1164807B (it) 1987-04-15
FR2443595A1 (fr) 1980-07-04
FR2443595B1 (fr) 1985-08-16
GB2037017B (en) 1982-12-01
SE7910110L (sv) 1980-06-08
AU5175479A (en) 1980-06-12
DE2947651A1 (de) 1980-06-12
DE2947651C2 (de) 1986-10-23

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