GB1423785A - Automatic valve systems - Google Patents

Automatic valve systems

Info

Publication number
GB1423785A
GB1423785A GB3191073A GB3191073A GB1423785A GB 1423785 A GB1423785 A GB 1423785A GB 3191073 A GB3191073 A GB 3191073A GB 3191073 A GB3191073 A GB 3191073A GB 1423785 A GB1423785 A GB 1423785A
Authority
GB
United Kingdom
Prior art keywords
valve
spool
outlet
pump
valve spool
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
GB3191073A
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.)
Deere and Co
Original Assignee
Deere and 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
Priority claimed from DE19722232771 external-priority patent/DE2232771C3/de
Application filed by Deere and Co filed Critical Deere and Co
Publication of GB1423785A publication Critical patent/GB1423785A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/42Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433Pump capacity control by fluid pressure control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Check Valves (AREA)
  • Control Of Fluid Gearings (AREA)
GB3191073A 1972-07-04 1973-07-04 Automatic valve systems Expired GB1423785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722232771 DE2232771C3 (de) 1972-07-04 Hydraulisches Automatikventil

Publications (1)

Publication Number Publication Date
GB1423785A true GB1423785A (en) 1976-02-04

Family

ID=5849654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3191073A Expired GB1423785A (en) 1972-07-04 1973-07-04 Automatic valve systems

Country Status (5)

Country Link
ES (1) ES415530A1 (enrdf_load_stackoverflow)
FR (1) FR2237077B1 (enrdf_load_stackoverflow)
GB (1) GB1423785A (enrdf_load_stackoverflow)
IT (1) IT985145B (enrdf_load_stackoverflow)
SE (1) SE392326B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452932A (zh) * 2013-08-05 2013-12-18 四川省宜宾普什驱动有限责任公司 一种均压阀
CN108708883A (zh) * 2018-07-12 2018-10-26 温州大学激光与光电智能制造研究院 主液装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109162979B (zh) * 2018-11-05 2023-12-05 青州博信华盛液压科技有限公司 集成自动跳位分配器功能的拖拉机用多路阀

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452932A (zh) * 2013-08-05 2013-12-18 四川省宜宾普什驱动有限责任公司 一种均压阀
CN103452932B (zh) * 2013-08-05 2015-10-14 四川省宜宾普什驱动有限责任公司 一种均压阀
CN108708883A (zh) * 2018-07-12 2018-10-26 温州大学激光与光电智能制造研究院 主液装置
CN108708883B (zh) * 2018-07-12 2023-11-07 温州大学激光与光电智能制造研究院 主液装置

Also Published As

Publication number Publication date
SE392326B (sv) 1977-03-21
ES415530A1 (es) 1976-02-16
FR2237077B1 (enrdf_load_stackoverflow) 1981-04-17
FR2237077A1 (enrdf_load_stackoverflow) 1975-02-07
IT985145B (it) 1974-11-30
DE2232771B2 (de) 1977-02-24
DE2232771A1 (de) 1974-01-24

Similar Documents

Publication Publication Date Title
US4167855A (en) Hydrostatic transmission control system for improved hillside operation
US3612202A (en) Hydrostatic wheel assist
GB1160619A (en) Adjustable, Metered, Directional Flow Control Arrangement
GB1493003A (en) Hydrostatic propulsion system
GB1008950A (en) Hydrostatic transmission
GB1258345A (enrdf_load_stackoverflow)
GB1233982A (enrdf_load_stackoverflow)
GB1495789A (en) Hydrostatic transmission control system
GB1373902A (en) Hydraulic system for a vehicle having a steering system and air conditioning unit
GB1435931A (en) Hydrostatic transmissions
GB1435932A (en) Hydrostatic transmission drive system
GB1432395A (en) Steering actuated motor displacement control valve
US3161137A (en) Hydraulic apparatus
GB1284135A (en) Hydrostatic transmission
GB1418793A (en) Hydraulic power transmission systems
US3973400A (en) Hydrostatic transmission
GB1423785A (en) Automatic valve systems
GB1371053A (en) Valves for fluids
US3908376A (en) Hydrostatic transmission
US3660975A (en) Hydrostatic transmission systems
US4067193A (en) Combined hydrostatic transmission implement system
US4480963A (en) Pump swashplate control assist
GB1465743A (en) Hydrostatic transmission control system
GB1361861A (en) Power controlled hydraulic drive systems
US3771310A (en) Hydrostatic drive control system

Legal Events

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