GB1391225A - Device for preventing foaming of oil being by-passed in an automobile hydraulic power unit - Google Patents

Device for preventing foaming of oil being by-passed in an automobile hydraulic power unit

Info

Publication number
GB1391225A
GB1391225A GB4962172A GB4962172A GB1391225A GB 1391225 A GB1391225 A GB 1391225A GB 4962172 A GB4962172 A GB 4962172A GB 4962172 A GB4962172 A GB 4962172A GB 1391225 A GB1391225 A GB 1391225A
Authority
GB
United Kingdom
Prior art keywords
oil
chamber
tank
passed
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
GB4962172A
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.)
Hitachi Astemo Ltd
Original Assignee
Atsugi Motor Parts Co 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 Atsugi Motor Parts Co Ltd filed Critical Atsugi Motor Parts Co Ltd
Publication of GB1391225A publication Critical patent/GB1391225A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/28—Safety arrangements; Monitoring
    • 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
    • F15B21/047—Preventing foaming, churning or cavitation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4673—Plural tanks or compartments with parallel flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7765—Pilot valve within main valve head

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Control Of Transmission Device (AREA)
  • Rotary Pumps (AREA)
GB4962172A 1972-04-26 1972-10-27 Device for preventing foaming of oil being by-passed in an automobile hydraulic power unit Expired GB1391225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972049296U JPS5715361Y2 (US07993877-20110809-P00003.png) 1972-04-26 1972-04-26

Publications (1)

Publication Number Publication Date
GB1391225A true GB1391225A (en) 1975-04-16

Family

ID=12826944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4962172A Expired GB1391225A (en) 1972-04-26 1972-10-27 Device for preventing foaming of oil being by-passed in an automobile hydraulic power unit

Country Status (6)

Country Link
US (1) US3814122A (US07993877-20110809-P00003.png)
JP (1) JPS5715361Y2 (US07993877-20110809-P00003.png)
CA (1) CA960110A (US07993877-20110809-P00003.png)
DE (1) DE2255986C3 (US07993877-20110809-P00003.png)
FR (1) FR2181643B1 (US07993877-20110809-P00003.png)
GB (1) GB1391225A (US07993877-20110809-P00003.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478189A (en) * 1982-12-08 1984-10-23 Lucas Industries Fuel injection system
US4862995A (en) * 1987-06-04 1989-09-05 Steve Faria Oil discharge diffuser
JPH0238512U (US07993877-20110809-P00003.png) * 1988-09-06 1990-03-14
JP3688752B2 (ja) * 1995-04-04 2005-08-31 株式会社 神崎高級工機製作所 作業車両における油供給装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR875610A (fr) * 1940-09-20 1942-09-29 Messerschmitt Boelkow Blohm Dispositif pour empêcher la formation de mousse dans les étranglements traversés par des liquides, en particulier dans les soupapes de sûreté des installations à huile sous pression à bord des avions
US2667893A (en) * 1950-02-03 1954-02-02 Air Associates Inc Relief valve
US2984187A (en) * 1956-02-20 1961-05-16 Thompson Ramo Wooldridge Inc Power steering pump
US2870781A (en) * 1956-06-22 1959-01-27 Hydraulic Unit Specialities Co Relief valve
US3205789A (en) * 1964-05-05 1965-09-14 Melvin A Mandelko Cylinder unit
JPS5034251B1 (US07993877-20110809-P00003.png) * 1969-04-01 1975-11-07

Also Published As

Publication number Publication date
JPS497392U (US07993877-20110809-P00003.png) 1974-01-22
DE2255986B2 (de) 1979-01-11
US3814122A (en) 1974-06-04
DE2255986A1 (de) 1973-11-08
JPS5715361Y2 (US07993877-20110809-P00003.png) 1982-03-31
FR2181643A1 (US07993877-20110809-P00003.png) 1973-12-07
CA960110A (en) 1974-12-31
FR2181643B1 (US07993877-20110809-P00003.png) 1978-03-03
AU4827372A (en) 1974-05-16
DE2255986C3 (de) 1979-09-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee