GB1155908A - A Hydraulic Circuit Arrangement For A Vehicle Driven And Steered Hydraulically - Google Patents

A Hydraulic Circuit Arrangement For A Vehicle Driven And Steered Hydraulically

Info

Publication number
GB1155908A
GB1155908A GB3087567A GB3087567A GB1155908A GB 1155908 A GB1155908 A GB 1155908A GB 3087567 A GB3087567 A GB 3087567A GB 3087567 A GB3087567 A GB 3087567A GB 1155908 A GB1155908 A GB 1155908A
Authority
GB
United Kingdom
Prior art keywords
motor
spool
pump
valve
grooves
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
GB3087567A
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.)
Orenstein Koppel und Luebecker Maschinenbau AG
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
Orenstein Koppel und Luebecker Maschinenbau 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
Application filed by O&K Orenstein and Koppel GmbH, Orenstein Koppel und Luebecker Maschinenbau AG filed Critical O&K Orenstein and Koppel GmbH
Priority to BE717683D priority Critical patent/BE717683A/fr
Publication of GB1155908A publication Critical patent/GB1155908A/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
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
    • 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
    • F16H39/02—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motors at a distance from liquid pumps
    • 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
    • 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
    • F16H61/4148—Open loop circuits
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

1,155,908. Hydrostatic transmission; hydrostatic brakes. ORENSTEIN-KOPPEL UND LUBECKER MASCHINENBAU A.G. 5 July, 1967 [5 July, 1966], No. 30875/67. Headings F2D and F2E. In a hydrostatic transmission for a motor vehicle wherein a pump 17 supplies pressure liquid through a reversing valve 18 to a motor 15, overrun of the motor is prevented by a throttle valve 1 in the return line 14, 22 from the motor and the valve 1 provides increased throttling of the motor discharge as the pump supply pressure 19 decreases. The throttle valve 1 has a spool 3 slidable in a casing 1 having grooves 6a, 7a connected to the return lines 14, 22. The pump supply pressure acts through a line 16 on a step 24 of the valve spool 3 to move the latter up against the action of a return spring 5. When the pump 17 drives the motor 15 the pressure in the lines 16, 19 is high and the valve spool 3 moves up to the position shown in which it permits free flow between the grooves 6a, 7a through an annular groove in the spool 3. When the motor 15 tends to overrun the pressure in the lines 16, 19 falls and the spring 5 moves the spool 3 down to a position in which a restricted flow between the grooves 6a, 7a is through throttling bores 8, a central base 10 and a radial bore 12. The motor is thus braked and prevented from overrunning. When the pump is stopped the spring 5 moves the spool 3 down to a position in which it blocks flow between the grooves 6a, 7a and thus prevents flow through the motor and provides a parking brake.
GB3087567A 1966-07-05 1967-07-05 A Hydraulic Circuit Arrangement For A Vehicle Driven And Steered Hydraulically Expired GB1155908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE717683D BE717683A (en) 1967-07-05 1968-07-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO0011777 1966-07-05

Publications (1)

Publication Number Publication Date
GB1155908A true GB1155908A (en) 1969-06-25

Family

ID=7352453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3087567A Expired GB1155908A (en) 1966-07-05 1967-07-05 A Hydraulic Circuit Arrangement For A Vehicle Driven And Steered Hydraulically

Country Status (6)

Country Link
AT (1) AT280805B (en)
BE (1) BE700963A (en)
CH (1) CH470277A (en)
DE (1) DE1580503A1 (en)
GB (1) GB1155908A (en)
NL (1) NL6709195A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189007A (en) * 1986-04-08 1987-10-14 Moog Inc A liquid flow control valve
CN108317119A (en) * 2018-04-09 2018-07-24 徐州燕大传动与控制技术有限公司 A kind of proportional multi-way valve that hydraulic control inlet and outlet throttling side can be separately adjustable
CN111963715A (en) * 2020-09-07 2020-11-20 包根所 Full-automatic reversing valve mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007015333B4 (en) * 2007-03-30 2020-08-27 Schaeffler Technologies AG & Co. KG Control valve and manufacturing method for the control valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189007A (en) * 1986-04-08 1987-10-14 Moog Inc A liquid flow control valve
CN108317119A (en) * 2018-04-09 2018-07-24 徐州燕大传动与控制技术有限公司 A kind of proportional multi-way valve that hydraulic control inlet and outlet throttling side can be separately adjustable
CN111963715A (en) * 2020-09-07 2020-11-20 包根所 Full-automatic reversing valve mechanism

Also Published As

Publication number Publication date
AT280805B (en) 1970-04-27
BE700963A (en) 1967-12-18
CH470277A (en) 1969-03-31
DE1580503A1 (en) 1970-06-25
NL6709195A (en) 1968-01-08

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