CN117480322A - 内啮合齿轮泵及内啮合齿轮马达 - Google Patents
内啮合齿轮泵及内啮合齿轮马达 Download PDFInfo
- Publication number
- CN117480322A CN117480322A CN202280041903.7A CN202280041903A CN117480322A CN 117480322 A CN117480322 A CN 117480322A CN 202280041903 A CN202280041903 A CN 202280041903A CN 117480322 A CN117480322 A CN 117480322A
- Authority
- CN
- China
- Prior art keywords
- internal gear
- pressure region
- communication
- surrounding space
- grooves
- 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
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
-
- 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
- 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
- F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
-
- 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
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
- F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
-
- 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
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0049—Equalization of pressure pulses
-
- 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
- F04C2/084—Toothed wheels
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/08—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021111748 | 2021-07-05 | ||
| JP2021-111748 | 2021-07-05 | ||
| PCT/JP2022/010369 WO2023281821A1 (ja) | 2021-07-05 | 2022-03-09 | 内接歯車ポンプ及び内接歯車モータ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117480322A true CN117480322A (zh) | 2024-01-30 |
Family
ID=84801625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280041903.7A Pending CN117480322A (zh) | 2021-07-05 | 2022-03-09 | 内啮合齿轮泵及内啮合齿轮马达 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12234823B2 (https=) |
| EP (1) | EP4368836A4 (https=) |
| JP (1) | JP7616388B2 (https=) |
| CN (1) | CN117480322A (https=) |
| WO (1) | WO2023281821A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023202578A1 (de) * | 2023-03-22 | 2024-09-26 | Eckerle Technologies GmbH | Fluidmaschine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430506A (en) * | 1977-08-11 | 1979-03-07 | Fujikoshi Kk | Internal gear pump motor |
| US6183229B1 (en) * | 1997-12-03 | 2001-02-06 | Luk Getriebe-System Gmbh | Hydraulic apparatus |
| US7410346B2 (en) * | 2003-11-04 | 2008-08-12 | Hitachi, Ltd. | Oil pump |
| DE102014103959A1 (de) * | 2014-03-21 | 2015-09-24 | Eckerle Industrie-Elektronik Gmbh | Motor-Pumpen-Einheit |
| US9945377B2 (en) * | 2014-03-21 | 2018-04-17 | Eckerle Industrie-Elektronik Gmbh | Motor-pump unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606082A1 (de) * | 1976-02-16 | 1977-08-25 | Otto Eckerle | Hochdruck-zahnradpumpe oder -motor |
| JPH04203373A (ja) | 1990-11-29 | 1992-07-23 | Shimadzu Corp | 内接歯車ポンプ又はモータ |
| DE102012213775A1 (de) | 2012-08-03 | 2014-02-06 | Robert Bosch Gmbh | Innenzahnradpumpe |
-
2022
- 2022-03-09 WO PCT/JP2022/010369 patent/WO2023281821A1/ja not_active Ceased
- 2022-03-09 US US18/569,804 patent/US12234823B2/en active Active
- 2022-03-09 EP EP22837243.9A patent/EP4368836A4/en active Pending
- 2022-03-09 JP JP2023533075A patent/JP7616388B2/ja active Active
- 2022-03-09 CN CN202280041903.7A patent/CN117480322A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430506A (en) * | 1977-08-11 | 1979-03-07 | Fujikoshi Kk | Internal gear pump motor |
| US6183229B1 (en) * | 1997-12-03 | 2001-02-06 | Luk Getriebe-System Gmbh | Hydraulic apparatus |
| US7410346B2 (en) * | 2003-11-04 | 2008-08-12 | Hitachi, Ltd. | Oil pump |
| DE102014103959A1 (de) * | 2014-03-21 | 2015-09-24 | Eckerle Industrie-Elektronik Gmbh | Motor-Pumpen-Einheit |
| US9945377B2 (en) * | 2014-03-21 | 2018-04-17 | Eckerle Industrie-Elektronik Gmbh | Motor-pump unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023281821A1 (ja) | 2023-01-12 |
| US12234823B2 (en) | 2025-02-25 |
| EP4368836A1 (en) | 2024-05-15 |
| EP4368836A4 (en) | 2025-06-18 |
| JPWO2023281821A1 (https=) | 2023-01-12 |
| US20240280098A1 (en) | 2024-08-22 |
| JP7616388B2 (ja) | 2025-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |