IT948331B - Pompa rotativa ad ingranaggi cilindrici - Google Patents
Pompa rotativa ad ingranaggi cilindriciInfo
- Publication number
- IT948331B IT948331B IT47952/72A IT4795272A IT948331B IT 948331 B IT948331 B IT 948331B IT 47952/72 A IT47952/72 A IT 47952/72A IT 4795272 A IT4795272 A IT 4795272A IT 948331 B IT948331 B IT 948331B
- Authority
- IT
- Italy
- Prior art keywords
- rotary pump
- cylindrical gears
- gears
- cylindrical
- rotary
- Prior art date
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
- 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
- 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
- F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
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 |
---|---|---|---|
US11017971A | 1971-01-27 | 1971-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT948331B true IT948331B (it) | 1973-05-30 |
Family
ID=22331630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47952/72A IT948331B (it) | 1971-01-27 | 1972-01-26 | Pompa rotativa ad ingranaggi cilindrici |
Country Status (8)
Country | Link |
---|---|
US (1) | US3690793A (it) |
BE (1) | BE778504A (it) |
CA (1) | CA966723A (it) |
CH (1) | CH539782A (it) |
DE (1) | DE2203820A1 (it) |
FR (1) | FR2124855A5 (it) |
GB (1) | GB1372482A (it) |
IT (1) | IT948331B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1572467A (en) * | 1977-02-01 | 1980-07-30 | Hamworthy Hydraulics Ltd | Gear pumps |
US4337018A (en) * | 1980-01-29 | 1982-06-29 | Commercial Shearing, Inc. | Rotary impeller pump or motor with counterbalancing chamber in thrust plate bearing counterbore |
US4392798A (en) * | 1981-04-03 | 1983-07-12 | General Signal Corporation | Gear pump or motor with low pressure bearing lubrication |
US4927343A (en) * | 1988-10-06 | 1990-05-22 | Permco, Inc. | Lubrication of gear pump trunnions |
US5076770A (en) * | 1990-04-13 | 1991-12-31 | Allied-Signal Inc. | Gear pump having improved low temperature operation |
IT1238912B (it) * | 1990-04-26 | 1993-09-07 | Fiatgeotech | Pompa ad ingranaggi. |
US5190450A (en) * | 1992-03-06 | 1993-03-02 | Eastman Kodak Company | Gear pump for high viscosity materials |
DE4225804C2 (de) * | 1992-08-05 | 1998-12-24 | Bosch Gmbh Robert | Zahnradmaschine |
US5702234A (en) * | 1995-12-01 | 1997-12-30 | Micropump, Inc. | Fluid pump with bearing set having lubrication path |
US6135741A (en) * | 1998-12-23 | 2000-10-24 | Parker-Hannifin Corporation | Recirculating flow path for gear pump |
US6716011B2 (en) | 2001-06-14 | 2004-04-06 | Monarch Hydraulics, Inc. | Hydraulic pump utilizing floating shafts |
GB0318584D0 (en) * | 2003-08-07 | 2003-09-10 | Mcgill Tech Ltd | Mixing apparatus |
ITMI20090045U1 (it) * | 2009-02-16 | 2010-08-17 | Fluid O Tech Srl | Pompa volumetrica ad ingranaggi perfezionata |
CN105526160A (zh) * | 2014-10-16 | 2016-04-27 | 德昌电机(深圳)有限公司 | 齿轮泵 |
CN109322821B (zh) * | 2018-10-09 | 2023-07-04 | 宿迁学院 | 一种用于消除齿轮泵径向力的组合结构 |
CN114017313B (zh) * | 2021-11-26 | 2023-08-22 | 宁波邦威泵业有限公司 | 一种凸轮式双转子泵 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2885965A (en) * | 1955-03-21 | 1959-05-12 | Borg Warner | Pressure loaded pump lubricating means |
DE1134590B (de) * | 1957-11-09 | 1962-08-09 | Bosch Gmbh Robert | Zahnradpumpe |
US3156191A (en) * | 1960-12-23 | 1964-11-10 | Clark Equipment Co | Sealing means for pumps and motors |
US3196800A (en) * | 1962-12-13 | 1965-07-27 | Parker Hannifin Corp | Gear pump |
US3145661A (en) * | 1962-12-19 | 1964-08-25 | New York Air Brake Co | Pump |
GB1232590A (it) * | 1967-08-21 | 1971-05-19 |
-
1971
- 1971-01-27 US US110179A patent/US3690793A/en not_active Expired - Lifetime
-
1972
- 1972-01-18 CA CA132,646A patent/CA966723A/en not_active Expired
- 1972-01-25 FR FR7202467A patent/FR2124855A5/fr not_active Expired
- 1972-01-26 IT IT47952/72A patent/IT948331B/it active
- 1972-01-26 BE BE778504A patent/BE778504A/xx not_active IP Right Cessation
- 1972-01-26 GB GB357072A patent/GB1372482A/en not_active Expired
- 1972-01-27 CH CH120172A patent/CH539782A/de not_active IP Right Cessation
- 1972-01-27 DE DE19722203820 patent/DE2203820A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2203820A1 (de) | 1972-09-07 |
CA966723A (en) | 1975-04-29 |
US3690793A (en) | 1972-09-12 |
BE778504A (fr) | 1972-05-16 |
FR2124855A5 (it) | 1972-09-22 |
CH539782A (de) | 1973-07-31 |
GB1372482A (en) | 1974-10-30 |
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