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
- casing
- suction port
- paratrochoidal
- 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
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
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-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
- F04C2/102—Rotary-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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
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.
Applications Claiming Priority (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 Granted ES526851A0 (en) | 1982-10-29 | 1983-10-28 | AN INTERNAL GEAR PUMP |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0107824A1 (en) |
JP (1) | JPS5982594A (en) |
ES (1) | ES526851A0 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS618485A (en) * | 1984-06-22 | 1986-01-16 | Aisin Seiki Co Ltd | Oil pump |
JPS6161993A (en) * | 1984-09-03 | 1986-03-29 | Mitsubishi Metal Corp | Inscribed gear pump |
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 |
US9581156B2 (en) | 2012-08-28 | 2017-02-28 | Aisin Aw Co., Ltd. | Gear pump including an inner rotor having a plurality of teeth |
Family Cites Families (5)
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) | Liquid delivery device, in particular and especially for oil burners |
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 |
-
1982
- 1982-10-29 JP JP19154682A patent/JPS5982594A/en active Pending
-
1983
- 1983-10-06 EP EP19830110014 patent/EP0107824A1/en not_active Withdrawn
- 1983-10-28 ES ES526851A patent/ES526851A0/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES526851A0 (en) | 1984-09-16 |
JPS5982594A (en) | 1984-05-12 |
EP0107824A1 (en) | 1984-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980504 |