EP3828415A4 - Internal gear pump - Google Patents
Internal gear pump Download PDFInfo
- Publication number
- EP3828415A4 EP3828415A4 EP18941686.0A EP18941686A EP3828415A4 EP 3828415 A4 EP3828415 A4 EP 3828415A4 EP 18941686 A EP18941686 A EP 18941686A EP 3828415 A4 EP3828415 A4 EP 3828415A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal gear
- gear pump
- pump
- internal
- gear
- 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
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
- F04C2/101—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 with a crescent-shaped filler element, located between the inner and outer intermeshing members
-
- 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
- F04C15/0088—Lubrication
-
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- 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
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/56—Bearing bushings or details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/043438 WO2020110180A1 (en) | 2018-11-26 | 2018-11-26 | Internal gear pump |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3828415A1 EP3828415A1 (en) | 2021-06-02 |
EP3828415A4 true EP3828415A4 (en) | 2021-07-21 |
EP3828415B1 EP3828415B1 (en) | 2022-08-03 |
Family
ID=66730657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18941686.0A Active EP3828415B1 (en) | 2018-11-26 | 2018-11-26 | Internal gear pump |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3828415B1 (en) |
JP (1) | JP6526371B1 (en) |
CN (1) | CN112639290B (en) |
WO (1) | WO2020110180A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7360907B2 (en) * | 2019-11-15 | 2023-10-13 | 住友精密工業株式会社 | gear pump |
WO2022107196A1 (en) * | 2020-11-17 | 2022-05-27 | 三菱電機株式会社 | Additive manufacturing apparatus and additive manufacturing method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179385U (en) * | 1985-04-26 | 1986-11-08 | ||
DE102012215023A1 (en) * | 2012-06-29 | 2014-01-02 | Robert Bosch Gmbh | Internal gear pump used as hydraulic pump for fuel injection system for motor car, has fluid storage space that is formed between radially outward facing surface of ring gear and radially inward facing surface of ring bearing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61171885U (en) * | 1985-04-15 | 1986-10-25 | ||
JPS62158181U (en) | 1986-03-28 | 1987-10-07 | ||
JP3810445B2 (en) | 1993-11-26 | 2006-08-16 | アイシン精機株式会社 | Trochoid oil pump |
CN201363269Y (en) * | 2009-02-13 | 2009-12-16 | 王乃刚 | Circular arc tooth conjugated inner gearing gear pump |
CN102141035B (en) * | 2011-04-13 | 2013-04-24 | 徐州科源液压有限公司 | High-pressure gear pump with intermediate-pressure bearing lubrication |
DE102011115993A1 (en) * | 2011-10-14 | 2013-04-18 | Robert Bosch Gmbh | Hydrostatic internal-gear machine used as internal gear pump, has high-pressure working chamber that is provided between ring gear and pinion and sealed against low-pressure working chamber |
JP6115156B2 (en) * | 2013-01-31 | 2017-04-19 | 株式会社豊田自動織機 | Inscribed gear pump |
JP2016033337A (en) * | 2014-07-31 | 2016-03-10 | ダイハツ工業株式会社 | Oil pump |
-
2018
- 2018-11-26 EP EP18941686.0A patent/EP3828415B1/en active Active
- 2018-11-26 WO PCT/JP2018/043438 patent/WO2020110180A1/en unknown
- 2018-11-26 JP JP2019513468A patent/JP6526371B1/en active Active
- 2018-11-26 CN CN201880097168.5A patent/CN112639290B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61179385U (en) * | 1985-04-26 | 1986-11-08 | ||
DE102012215023A1 (en) * | 2012-06-29 | 2014-01-02 | Robert Bosch Gmbh | Internal gear pump used as hydraulic pump for fuel injection system for motor car, has fluid storage space that is formed between radially outward facing surface of ring gear and radially inward facing surface of ring bearing |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020110180A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN112639290A (en) | 2021-04-09 |
EP3828415A1 (en) | 2021-06-02 |
WO2020110180A1 (en) | 2020-06-04 |
EP3828415B1 (en) | 2022-08-03 |
CN112639290B (en) | 2021-10-08 |
JP6526371B1 (en) | 2019-06-05 |
JPWO2020110180A1 (en) | 2021-02-15 |
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