CA1114718A - Inching valve of the hydraulic balance type - Google Patents

Inching valve of the hydraulic balance type

Info

Publication number
CA1114718A
CA1114718A CA335,420A CA335420A CA1114718A CA 1114718 A CA1114718 A CA 1114718A CA 335420 A CA335420 A CA 335420A CA 1114718 A CA1114718 A CA 1114718A
Authority
CA
Canada
Prior art keywords
valve
spool
valve stem
hydraulic pressure
spring
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
CA335,420A
Other languages
English (en)
French (fr)
Inventor
Toshio Uchimura
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of CA1114718A publication Critical patent/CA1114718A/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/14—Fluid pressure control
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18063—Creeping
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0221—Valves for clutch control systems; Details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
CA335,420A 1978-09-12 1979-09-11 Inching valve of the hydraulic balance type Expired CA1114718A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP124,377/78 1978-09-12
JP1978124377U JPS6336161Y2 (US20020051482A1-20020502-M00057.png) 1978-09-12 1978-09-12

Publications (1)

Publication Number Publication Date
CA1114718A true CA1114718A (en) 1981-12-22

Family

ID=14883886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA335,420A Expired CA1114718A (en) 1978-09-12 1979-09-11 Inching valve of the hydraulic balance type

Country Status (4)

Country Link
JP (1) JPS6336161Y2 (US20020051482A1-20020502-M00057.png)
CA (1) CA1114718A (US20020051482A1-20020502-M00057.png)
FR (1) FR2436271A1 (US20020051482A1-20020502-M00057.png)
GB (1) GB2032062B (US20020051482A1-20020502-M00057.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0214693Y2 (US20020051482A1-20020502-M00057.png) * 1984-09-29 1990-04-20
JPS61143915U (US20020051482A1-20020502-M00057.png) * 1985-02-28 1986-09-05
DE19815889A1 (de) * 1998-04-08 1999-10-14 Mannesmann Rexroth Ag Inchbremseinrichtung
CN103527803A (zh) * 2013-10-29 2014-01-22 合肥今典机械科技有限公司 一种用于微动阀的端面全封闭结构
US9582007B2 (en) 2014-08-21 2017-02-28 Louis P. Vickio, Jr. Pressure regulator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB781651A (US20020051482A1-20020502-M00057.png) * 1900-01-01
GB375537A (en) * 1931-06-17 1932-06-30 Crosby Valve & Engineering Com Improvements relating to valves for controlling the flow of fluids
GB740631A (en) * 1953-02-16 1955-11-16 Charles Scott Prendergast Improvements relating to valves for regulating fluid flow
GB801951A (en) * 1956-05-23 1958-09-24 Jaroco Engineering Co A fluid-pressure control system for remotely controlling fluid control valves
GB885393A (en) * 1957-07-18 1961-12-28 Zahnradfabrik Friedrichshafen Improvements in and relating to pressure relief valves
GB847679A (en) * 1957-11-07 1960-09-14 Twin Disc Clutch Co Hydraulically actuated friction clutch
GB974907A (en) * 1962-05-31 1964-11-11 Davy & United Eng Co Ltd Fluid regulating valves

Also Published As

Publication number Publication date
FR2436271B1 (US20020051482A1-20020502-M00057.png) 1983-03-25
GB2032062B (en) 1983-01-06
JPS6336161Y2 (US20020051482A1-20020502-M00057.png) 1988-09-26
FR2436271A1 (fr) 1980-04-11
JPS5541612U (US20020051482A1-20020502-M00057.png) 1980-03-17
GB2032062A (en) 1980-04-30

Similar Documents

Publication Publication Date Title
US4478105A (en) Hydraulic control system for continuously variable V-belt transmission with hydrodynamic transmission unit
EP0061734B1 (en) Hydraulic control system for continuously variable v-belt transmission
US4281676A (en) Pressure modulating selector valve
DE69010035T2 (de) Steueranlage für den hydraulischen Bremsdruck.
US4465168A (en) Pressure control system for a transmission
GB2118691A (en) Valve system for controlling hydrostatic transmission
GB1567832A (en) Fluid flow control apparatus
CA1049883A (en) Modulation control valve
US4510822A (en) Continuously variable V-belt transmission including hydrodynamic transmission unit with lock-up means
US2972906A (en) Inching control for industrial truck
US2814371A (en) Inching valve
CA1114718A (en) Inching valve of the hydraulic balance type
US3119235A (en) Control valve
US4024798A (en) Control valve providing two speed operation for a motor
US4227597A (en) Hydraulic control system for a hydrodynamic/mechanical transmission
US3143127A (en) Regulating valve
US4587887A (en) Shift valve for automatic transmission
US2703500A (en) Automatic transmission control
US5234092A (en) Control valve assembly with concentric spools
US3831725A (en) Hydraulic clutch pressure modulator
US2950734A (en) Regulating valve
US3687152A (en) Control device for gradually increasing fluid pressure
US4579200A (en) Inching control apparatus
US3023773A (en) Regulating valve
US3923076A (en) Transmission control system with dual purpose modulating valve

Legal Events

Date Code Title Description
MKEX Expiry