ES8407559A1 - Internal gear pump. - Google Patents

Internal gear pump.

Info

Publication number
ES8407559A1
ES8407559A1 ES526851A ES526851A ES8407559A1 ES 8407559 A1 ES8407559 A1 ES 8407559A1 ES 526851 A ES526851 A ES 526851A ES 526851 A ES526851 A ES 526851A ES 8407559 A1 ES8407559 A1 ES 8407559A1
Authority
ES
Spain
Prior art keywords
internal gear
gear pump
rotor
casing
suction port
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
ES526851A
Other languages
Spanish (es)
Other versions
ES526851A0 (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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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
Priority to JP19154682A priority Critical patent/JPS5982594A/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of ES8407559A1 publication Critical patent/ES8407559A1/en
Publication of ES526851A0 publication Critical patent/ES526851A0/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes

Abstract

An improved internal gear pump having a casing formed with a suction port and a discharge port, an outer rotor and an inner rotor of a paratrochoidal profile. The suction port formed in one end of the casing is formed with an extension protruding in the direction of rotation of the rotors.
ES526851A 1982-10-29 1983-10-28 Internal gear pump. Expired ES8407559A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19154682A JPS5982594A (en) 1982-10-29 1982-10-29 Rotary pump

Publications (2)

Publication Number Publication Date
ES8407559A1 true ES8407559A1 (en) 1984-09-16
ES526851A0 ES526851A0 (en) 1984-09-16

Family

ID=16276469

Family Applications (1)

Application Number Title Priority Date Filing Date
ES526851A Expired ES8407559A1 (en) 1982-10-29 1983-10-28 Internal gear pump.

Country Status (3)

Country Link
EP (1) EP0107824A1 (en)
JP (1) JPS5982594A (en)
ES (1) ES8407559A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618485A (en) * 1984-06-22 1986-01-16 Aisin Seiki Co Ltd Oil pump
JPS6347915B2 (en) * 1984-09-03 1988-09-26 Mitsubishi Metal Corp
GB2219631B (en) * 1988-06-09 1992-08-05 Concentric Pumps Ltd Improvements relating to gerotor pumps
JPH02275080A (en) * 1989-04-17 1990-11-09 Toyooki Kogyo Co Ltd Internal gear pump
GB8910680D0 (en) * 1989-05-10 1989-06-28 Banister Edmund Hd Rotary engine
GB9010686D0 (en) * 1990-05-12 1990-07-04 Concentric Pumps Ltd Gerotor pumps
JP6128127B2 (en) 2012-08-28 2017-05-17 アイシン・エィ・ダブリュ株式会社 Gear pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1344769A (en) * 1963-01-22 1963-11-29 Merritt & Company Engineering Bare and Bare Type Fluid Rotary Pumps - 1 Teeth
DE1811976C3 (en) * 1968-11-30 1975-03-27 Danfoss A/S, Nordborg (Daenemark)
DE1947798A1 (en) * 1969-09-20 1971-04-15 Danfoss As Power or work machine
US4008018A (en) * 1975-11-28 1977-02-15 Mcdermott Hugh L Rotary fluid displacement device having improved porting
JPS5441722A (en) * 1977-09-09 1979-04-03 Fuji Xerox Co Ltd Scanning apparatus in copying machine

Also Published As

Publication number Publication date
JPS5982594A (en) 1984-05-12
ES526851D0 (en)
EP0107824A1 (en) 1984-05-09
ES526851A0 (en) 1984-09-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980504