BR7706480A - Sistema hidraulico para ambientes extremamente frios - Google Patents

Sistema hidraulico para ambientes extremamente frios

Info

Publication number
BR7706480A
BR7706480A BR7706480A BR7706480A BR7706480A BR 7706480 A BR7706480 A BR 7706480A BR 7706480 A BR7706480 A BR 7706480A BR 7706480 A BR7706480 A BR 7706480A BR 7706480 A BR7706480 A BR 7706480A
Authority
BR
Brazil
Prior art keywords
hydraulic system
extremely cold
cold environments
environments
extremely
Prior art date
Application number
BR7706480A
Other languages
English (en)
Inventor
G Meiner
J Bridwell
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of BR7706480A publication Critical patent/BR7706480A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/18—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs with control of pump output delivery, e.g. by distributor valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0427—Heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Motor Power Transmission Devices (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
BR7706480A 1976-10-04 1977-09-28 Sistema hidraulico para ambientes extremamente frios BR7706480A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/729,542 US4059042A (en) 1976-10-04 1976-10-04 Hydraulic system for extremely cold environments

Publications (1)

Publication Number Publication Date
BR7706480A true BR7706480A (pt) 1978-04-18

Family

ID=24931517

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7706480A BR7706480A (pt) 1976-10-04 1977-09-28 Sistema hidraulico para ambientes extremamente frios

Country Status (6)

Country Link
US (1) US4059042A (pt)
JP (1) JPS5344770A (pt)
BR (1) BR7706480A (pt)
CA (1) CA1045945A (pt)
FR (1) FR2366473A1 (pt)
GB (1) GB1531175A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56501004A (pt) * 1979-08-13 1981-07-23
US4253540A (en) * 1979-10-29 1981-03-03 Caterpillar Tractor Co. Steering system for cold environments
GB2095000B (en) * 1980-09-29 1983-12-14 Catgerpillar Tractor Co Fluid viscosity control for actuator circuit
US4354351A (en) * 1980-09-29 1982-10-19 Caterpillar Tractor Co. Load sensing steering
DE3120278C2 (de) * 1981-05-21 1983-03-24 Hydromatik Gmbh, 7900 Ulm "Steuereinrichtung für ein von einer Antriebsmaschine angetriebenes hydrostatisches Getriebe"
DE3710028A1 (de) * 1987-03-27 1988-10-06 Delmag Maschinenfabrik Druckmittelbetriebene antriebseinrichtung
WO1995011823A2 (en) * 1993-10-29 1995-05-04 Grau Limited Vehicle brake system
US5456078A (en) * 1994-08-12 1995-10-10 Caterpillar Inc. Method of purging a hydraulic system
AT401964B (de) * 1995-04-26 1997-01-27 Steyr Daimler Puch Ag Hydraulischer aktuator und damit ausgestattete kupplung
US5682743A (en) * 1996-03-05 1997-11-04 Iri International Corporation Hydraulic fluid-conducting circuit containing flow-through cylinders
US6357560B1 (en) * 2000-03-21 2002-03-19 Ford Global Tech., Inc. Servo assembly for operating a brake band in an automatic transmission vehicle
US7607285B2 (en) * 2003-08-01 2009-10-27 Honeywell International Inc. Four mode thermal recirculation throttle valve
DE102017004531A1 (de) * 2017-05-11 2018-11-15 Hydac Systems & Services Gmbh Ventil
US10562505B2 (en) * 2017-12-11 2020-02-18 Cnh Industrial America Llc Hydraulic warm-up system running off parking brake

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB503842A (en) * 1937-10-11 1939-04-11 India Rubber Gutta Percha Tele Improvements in or relating to hydraulic power apparatus
GB689688A (en) * 1949-09-14 1953-04-01 British Messier Ltd Improvements in or relating to hydraulic power systems
US2688313A (en) * 1950-03-21 1954-09-07 Us Navy Fluid pressure reciprocating motor and control valve apparatus
US2992046A (en) * 1957-12-03 1961-07-11 Dunlop Rubber Co Fluid pressure control valve mechanism
US3465842A (en) * 1967-12-29 1969-09-09 Bendix Corp Power steering mechanism
GB1369742A (en) * 1971-05-25 1974-10-09 Bendix Gmbh Power boost mechanism
US3727986A (en) * 1971-12-22 1973-04-17 Gen Motors Corp Direct apply brake system
US3815697A (en) * 1972-09-01 1974-06-11 Caterpillar Tractor Co Steering clutch and brake control system

Also Published As

Publication number Publication date
FR2366473A1 (fr) 1978-04-28
GB1531175A (en) 1978-11-01
CA1045945A (en) 1979-01-09
US4059042A (en) 1977-11-22
JPS5344770A (en) 1978-04-21

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