JPS55160191A - Pump system - Google Patents

Pump system

Info

Publication number
JPS55160191A
JPS55160191A JP6839879A JP6839879A JPS55160191A JP S55160191 A JPS55160191 A JP S55160191A JP 6839879 A JP6839879 A JP 6839879A JP 6839879 A JP6839879 A JP 6839879A JP S55160191 A JPS55160191 A JP S55160191A
Authority
JP
Japan
Prior art keywords
fluid
pump
connection
pressure
supply passage
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.)
Granted
Application number
JP6839879A
Other languages
Japanese (ja)
Other versions
JPS629753B2 (en
Inventor
Susumu Honaga
Masakazu Nakane
Yoshiharu Inaguma
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.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
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 Toyoda Koki KK filed Critical Toyoda Koki KK
Priority to JP6839879A priority Critical patent/JPS55160191A/en
Publication of JPS55160191A publication Critical patent/JPS55160191A/en
Publication of JPS629753B2 publication Critical patent/JPS629753B2/ja
Granted 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/062—Arrangements for supercharging the working space

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

PURPOSE: To promote supercharging at an inlet port of a pump for noticeably improving a pumping-up efficiency by increasing pressure at the connection of a fluid supply passage and a bypass channel over an atmospheric pressure by effective use of a kinetic energy included in a return current.
CONSTITUTION: As a rotation speed increases, a pump increases its displacement. Its excess fluid is fed to a bypass passage 38. Fluid in a fluid tank 50 and return current from a return pipe 46 are sucked down at the connection of a fluid supply passage 39 and the bypass passage 38, and supercharges the connection to increase a suction pressure of a pump. Another return current from a power steering equipment helps fluid in the fluid tank 50 to be sucked into the fluid supply passage 39, which is supercharged to a pressure over an atmospheric pressure. Under the supercharged state, a pumping-up efficiency can be encouraged farther.
COPYRIGHT: (C)1980,JPO&Japio
JP6839879A 1979-05-31 1979-05-31 Pump system Granted JPS55160191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6839879A JPS55160191A (en) 1979-05-31 1979-05-31 Pump system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6839879A JPS55160191A (en) 1979-05-31 1979-05-31 Pump system

Publications (2)

Publication Number Publication Date
JPS55160191A true JPS55160191A (en) 1980-12-12
JPS629753B2 JPS629753B2 (en) 1987-03-02

Family

ID=13372542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6839879A Granted JPS55160191A (en) 1979-05-31 1979-05-31 Pump system

Country Status (1)

Country Link
JP (1) JPS55160191A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167891A (en) * 1982-03-13 1983-10-04 スペリ−・フイツカ−ス・ツアイグニ−デルラツツング・デル・スペリ−・ゲ−エムベ−ハ− Rotary vane pump
JPS6015993U (en) * 1983-07-11 1985-02-02 株式会社豊田自動織機製作所 vane compressor
EP0763659A2 (en) * 1995-09-14 1997-03-19 LUK FAHRZEUG-HYDRAULIK GmbH & Co. KG Vane pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4997308A (en) * 1973-01-22 1974-09-13
JPS5063503A (en) * 1973-10-09 1975-05-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4997308A (en) * 1973-01-22 1974-09-13
JPS5063503A (en) * 1973-10-09 1975-05-30

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167891A (en) * 1982-03-13 1983-10-04 スペリ−・フイツカ−ス・ツアイグニ−デルラツツング・デル・スペリ−・ゲ−エムベ−ハ− Rotary vane pump
JPS6015993U (en) * 1983-07-11 1985-02-02 株式会社豊田自動織機製作所 vane compressor
EP0763659A2 (en) * 1995-09-14 1997-03-19 LUK FAHRZEUG-HYDRAULIK GmbH & Co. KG Vane pump
EP0763659A3 (en) * 1995-09-14 1998-04-29 LUK FAHRZEUG-HYDRAULIK GmbH & Co. KG Vane pump

Also Published As

Publication number Publication date
JPS629753B2 (en) 1987-03-02

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