GB1280369A - Acceleration control for hydraulic transmissions - Google Patents

Acceleration control for hydraulic transmissions

Info

Publication number
GB1280369A
GB1280369A GB5308969A GB5308969A GB1280369A GB 1280369 A GB1280369 A GB 1280369A GB 5308969 A GB5308969 A GB 5308969A GB 5308969 A GB5308969 A GB 5308969A GB 1280369 A GB1280369 A GB 1280369A
Authority
GB
United Kingdom
Prior art keywords
valve
servo
pump
displacement
motor
Prior art date
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.)
Expired
Application number
GB5308969A
Other languages
English (en)
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.)
Cessna Aircraft Co
Original Assignee
Cessna Aircraft 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 Cessna Aircraft Co filed Critical Cessna Aircraft Co
Publication of GB1280369A publication Critical patent/GB1280369A/en
Expired legal-status Critical Current

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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control means
    • 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • 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
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • B60W2520/105—Longitudinal acceleration
    • 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
    • F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
    • F16H59/48—Inputs being a function of acceleration
    • 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
    • Y10T137/0753—Control by change of position or inertia of system
    • Y10T137/0898—By shifting of liquid level
    • 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
    • Y10T137/0753—Control by change of position or inertia of system
    • Y10T137/0923—By pendulum or swinging member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)
GB5308969A 1968-11-21 1969-10-30 Acceleration control for hydraulic transmissions Expired GB1280369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77763868A 1968-11-21 1968-11-21

Publications (1)

Publication Number Publication Date
GB1280369A true GB1280369A (en) 1972-07-05

Family

ID=25110812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5308969A Expired GB1280369A (en) 1968-11-21 1969-10-30 Acceleration control for hydraulic transmissions

Country Status (4)

Country Link
US (1) US3587765A (enExample)
JP (1) JPS4924261B1 (enExample)
DE (1) DE1958558C3 (enExample)
GB (1) GB1280369A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2121267A1 (de) * 1971-04-30 1972-11-16 G.L. Rexroth Gmbh, 8770 Lohr Verstellpumpe mit Verstellvorrichtung
US3785754A (en) * 1972-04-27 1974-01-15 Caterpillar Tractor Co Manual override system for a variable volume pump
US3937596A (en) * 1973-04-30 1976-02-10 Braidwood Robert O Fluid pump driving control
JPS51114061U (enExample) * 1975-03-12 1976-09-16
JPS53127568U (enExample) * 1977-03-16 1978-10-11
JPS53127569U (enExample) * 1977-03-16 1978-10-11
JPS53127566U (enExample) * 1977-03-16 1978-10-11
DE3120278C2 (de) * 1981-05-21 1983-03-24 Hydromatik Gmbh, 7900 Ulm "Steuereinrichtung für ein von einer Antriebsmaschine angetriebenes hydrostatisches Getriebe"
US4759185A (en) * 1987-09-18 1988-07-26 Deere & Company Operator presence switch with service by-pass
US7503173B2 (en) * 2005-02-08 2009-03-17 Parker-Hannifin Corporation Control devices for swashplate type variable displacement piston pump
DE102006006722A1 (de) * 2005-02-16 2006-08-31 Continental Teves Ag & Co. Ohg Elektrohydraulische Fahrzeuglenkung mit linearer Druckcharakteristik
EP3258139B1 (en) * 2016-06-14 2021-04-21 Perkins Engines Company Limited A method of reducing output torque deficits during launch of a continuously variable transmission

Also Published As

Publication number Publication date
DE1958558B2 (de) 1978-03-02
DE1958558C3 (de) 1978-10-26
DE1958558A1 (de) 1970-06-11
US3587765A (en) 1971-06-28
JPS4924261B1 (enExample) 1974-06-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee