GB2197056B - Improvements related to rotary hydrostatic transmissions - Google Patents

Improvements related to rotary hydrostatic transmissions

Info

Publication number
GB2197056B
GB2197056B GB8719975A GB8719975A GB2197056B GB 2197056 B GB2197056 B GB 2197056B GB 8719975 A GB8719975 A GB 8719975A GB 8719975 A GB8719975 A GB 8719975A GB 2197056 B GB2197056 B GB 2197056B
Authority
GB
United Kingdom
Prior art keywords
hydrostatic transmissions
improvements related
rotary hydrostatic
rotary
transmissions
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 - Fee Related
Application number
GB8719975A
Other versions
GB8719975D0 (en
GB2197056A (en
Inventor
Christian Helmut Thoma
George Duncan Mcrae Arnold
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.)
Unipat AG
Original Assignee
Unipat AG
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
Priority claimed from GB868621003A external-priority patent/GB8621003D0/en
Priority claimed from GB868626701A external-priority patent/GB8626701D0/en
Application filed by Unipat AG filed Critical Unipat AG
Priority to GB8719975A priority Critical patent/GB2197056B/en
Publication of GB8719975D0 publication Critical patent/GB8719975D0/en
Publication of GB2197056A publication Critical patent/GB2197056A/en
Priority to GB9101075A priority patent/GB2237621B/en
Application granted granted Critical
Publication of GB2197056B publication Critical patent/GB2197056B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • 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
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
    • F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
    • F16H39/08—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders
    • F16H39/16—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged perpendicular to the main axis of the gearing
    • F16H39/18—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged perpendicular to the main axis of the gearing the connections of the pistons being at the outer ends of the cylinders
    • 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
    • F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4139—Replenishing or scavenging pumps, e.g. auxiliary charge pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
GB8719975A 1986-08-29 1987-08-27 Improvements related to rotary hydrostatic transmissions Expired - Fee Related GB2197056B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8719975A GB2197056B (en) 1986-08-29 1987-08-27 Improvements related to rotary hydrostatic transmissions
GB9101075A GB2237621B (en) 1986-08-29 1991-01-17 Improvements related to rotary hydrostatic transmissions

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB868621003A GB8621003D0 (en) 1986-08-29 1986-08-29 Rotary hydrostatic machines
GB868626701A GB8626701D0 (en) 1986-11-07 1986-11-07 Rotary hydrostatic machines
GB8719975A GB2197056B (en) 1986-08-29 1987-08-27 Improvements related to rotary hydrostatic transmissions

Publications (3)

Publication Number Publication Date
GB8719975D0 GB8719975D0 (en) 1987-09-30
GB2197056A GB2197056A (en) 1988-05-11
GB2197056B true GB2197056B (en) 1991-07-31

Family

ID=27263138

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8719975A Expired - Fee Related GB2197056B (en) 1986-08-29 1987-08-27 Improvements related to rotary hydrostatic transmissions
GB9101075A Expired - Fee Related GB2237621B (en) 1986-08-29 1991-01-17 Improvements related to rotary hydrostatic transmissions

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9101075A Expired - Fee Related GB2237621B (en) 1986-08-29 1991-01-17 Improvements related to rotary hydrostatic transmissions

Country Status (1)

Country Link
GB (2) GB2197056B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424315C2 (en) * 1994-07-09 2000-10-26 Orenstein & Koppel Ag Method and device for cooling at least one traction pump and / or at least one traction motor of a hydrostatic traction drive

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281094A (en) * 1969-10-03 1972-07-12 Bosch Gmbh Robert Hydraulic apparatus operable as a pump, motor or hydraulic transmission
US4147075A (en) * 1977-07-14 1979-04-03 Turcianske Strojarne Combined gearbox with stepless variable speed ratio

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281094A (en) * 1969-10-03 1972-07-12 Bosch Gmbh Robert Hydraulic apparatus operable as a pump, motor or hydraulic transmission
US4147075A (en) * 1977-07-14 1979-04-03 Turcianske Strojarne Combined gearbox with stepless variable speed ratio

Also Published As

Publication number Publication date
GB2237621A (en) 1991-05-08
GB9101075D0 (en) 1991-02-27
GB8719975D0 (en) 1987-09-30
GB2237621B (en) 1991-07-31
GB2197056A (en) 1988-05-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920827