GB871215A - Improved pump flow control means - Google Patents

Improved pump flow control means

Info

Publication number
GB871215A
GB871215A GB19712/59A GB1971259A GB871215A GB 871215 A GB871215 A GB 871215A GB 19712/59 A GB19712/59 A GB 19712/59A GB 1971259 A GB1971259 A GB 1971259A GB 871215 A GB871215 A GB 871215A
Authority
GB
United Kingdom
Prior art keywords
liquid
pump
chamber
opening
valve
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
GB19712/59A
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.)
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor 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 Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB871215A publication Critical patent/GB871215A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B21/045—Compensating for variations in viscosity or temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

871,215. Hydraulic apparatus. FORD MOTOR CO. Ltd. June 9, 1959 [June 9, 1958], No. 19712/59. Class 69 (2). A liquid pump flow control device comprises a temperature-responsive valve 26 controlling an opening 24 in a separator 18 dividing a sump 14 into two chambers 19, 21, one of the chambers being adapted to be connected to the inlet 17 of a pump 11 and to the exhaust 16 of a liquid - operated mechanism 12, and to be sealed from the atmosphere when the opening is closed by the valve. The opening 24 is normally closed by the temperature-responsive valve which may be a bi-metal strip 26 or other temperatureresponsive element. As the temperature of the liquid supplied by the pump 11 to the mechanism 12, which may be a steering mechanism, rises, the valve uncovers the opening 24 to permit heated fluid in the chamber 19 to mix with cooler fluid in the chamber 21 and air in the liquid to escape to atmosphere. During initial operation of the pump, the small volume of liquid in the chamber 19 permits rapid heating of the liquid so that pump cavitation noise and air intake is eliminated. Excess pressure in the chamber 19 is relieved by a pressure relief valve 29.
GB19712/59A 1958-06-09 1959-06-09 Improved pump flow control means Expired GB871215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US871215XA 1958-06-09 1958-06-09

Publications (1)

Publication Number Publication Date
GB871215A true GB871215A (en) 1961-06-21

Family

ID=22203235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19712/59A Expired GB871215A (en) 1958-06-09 1959-06-09 Improved pump flow control means

Country Status (1)

Country Link
GB (1) GB871215A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419205A1 (en) * 1978-03-10 1979-10-05 Zahnradfabrik Friedrichshafen OIL TANK FOR THE HYDRAULIC CIRCUIT OF A STEERING MECHANISM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419205A1 (en) * 1978-03-10 1979-10-05 Zahnradfabrik Friedrichshafen OIL TANK FOR THE HYDRAULIC CIRCUIT OF A STEERING MECHANISM

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