JPS5523332A - Motor-driven pump - Google Patents

Motor-driven pump

Info

Publication number
JPS5523332A
JPS5523332A JP9472278A JP9472278A JPS5523332A JP S5523332 A JPS5523332 A JP S5523332A JP 9472278 A JP9472278 A JP 9472278A JP 9472278 A JP9472278 A JP 9472278A JP S5523332 A JPS5523332 A JP S5523332A
Authority
JP
Japan
Prior art keywords
pump
cam ring
motor
spacer
minimized
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.)
Pending
Application number
JP9472278A
Other languages
Japanese (ja)
Inventor
Takeharu Omi
Masaru Tsunekawa
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.)
Aisin Corp
Original Assignee
Aisin Seiki 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP9472278A priority Critical patent/JPS5523332A/en
Publication of JPS5523332A publication Critical patent/JPS5523332A/en
Pending 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C2/3445—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings

Abstract

PURPOSE: To provide an arrangement for motor-driven pump, in which a cam ring is disposed in freely movable manner in a pump spacer constituting the outer periphery of the pump, so as to lower the circumferential speed of vanes or rollers, whereby it is enabled to reduce generation of frictional heat.
CONSTITUTION: Fluid such a fuel is fed into the discharged out of the space in pump by means of cam ring 28 which causes volume change of said space together with rotor 27 driven directly by the armature of motor. The cam ring 28 is disposed in pump spacer 28 in freely movable manner, so that circumferential speed of cam ring 28 is lower than that of rollers 30 which roll along the inner surface of cam ring 28 by the function of centrifugal force. As a result, generation of frictional heat caused over the inner wall surface of spacer 28 can be minimized, so that undesirable effect due to thermal expansion of pump elements and mechanical loss due to friction can be also minimized.
COPYRIGHT: (C)1980,JPO&Japio
JP9472278A 1978-08-02 1978-08-02 Motor-driven pump Pending JPS5523332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9472278A JPS5523332A (en) 1978-08-02 1978-08-02 Motor-driven pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9472278A JPS5523332A (en) 1978-08-02 1978-08-02 Motor-driven pump

Publications (1)

Publication Number Publication Date
JPS5523332A true JPS5523332A (en) 1980-02-19

Family

ID=14118008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9472278A Pending JPS5523332A (en) 1978-08-02 1978-08-02 Motor-driven pump

Country Status (1)

Country Link
JP (1) JPS5523332A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020074085A (en) * 2002-02-08 2002-09-28 현경열 Fluid pump and motor
KR100460668B1 (en) * 2002-03-27 2004-12-09 주식회사 포스코 Roller Pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020074085A (en) * 2002-02-08 2002-09-28 현경열 Fluid pump and motor
KR100460668B1 (en) * 2002-03-27 2004-12-09 주식회사 포스코 Roller Pump

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