JP7298704B2 - ギアポンプ - Google Patents
ギアポンプ Download PDFInfo
- Publication number
- JP7298704B2 JP7298704B2 JP2021550594A JP2021550594A JP7298704B2 JP 7298704 B2 JP7298704 B2 JP 7298704B2 JP 2021550594 A JP2021550594 A JP 2021550594A JP 2021550594 A JP2021550594 A JP 2021550594A JP 7298704 B2 JP7298704 B2 JP 7298704B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- receiving surface
- fluid
- pressure receiving
- 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.)
- Active
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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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
-
- 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
-
- 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
-
- 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
-
- 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
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/54—Hydrostatic or hydrodynamic bearing assemblies specially adapted for rotary positive displacement pumps or compressors
-
- 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
-
- 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
- F04C2240/60—Shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Description
Claims (4)
- 流体を加圧して吐出するギアポンプであって、
前記流体を吸入する吸入口と、加圧された前記流体を吐出する吐出口と、を備えたケーシングと、
ギア歯に縁取られたホイール部と、前記ホイール部から軸方向に延びた軸部と、を備え、軸周りの回転により前記ギア歯が前記流体を前記吸入口から前記吐出口へ輸送するように前記ケーシングに収容されたギアと、
前記軸部を回転可能に支持し軸方向には可動な浮動軸受であって、
前記ホイール部に接するシール面と、
前記シール面に軸方向に対向する受圧面であって、
前記ケーシングとの組み合わせにより前記吸入口と連通した第1の与圧室を区画する第1の受圧面と、
前記ケーシングとの組み合わせにより前記吐出口と連通した第2の与圧室を区画する第2の受圧面と、を含む受圧面と、
前記ケーシングとの組み合わせにより第3の与圧室を区画する第3の受圧面と、
前記シール面に開口を有し、前記開口と前記第3の与圧室とを連通する連通路と、を含む浮動軸受と、
を備え、
前記第3の受圧面は、前記第1の受圧面よりも径方向に外方であって前記第2の受圧面よりも径方向に内方に位置する、ギアポンプ。 - 前記連通路の前記開口は、前記シール面において、前記ギア歯よりも径方向に内方であって前記軸部よりも径方向に外方に位置する、請求項1のギアポンプ。
- 前記ホイール部との間に前記流体を保持するべく、前記シール面において周方向に延びた溝であって、前記連通路の前記開口に連通する溝、
をさらに備えた、請求項1のギアポンプ。 - 前記シール面は、前記吸入口に連通した低圧側凹所と、前記吐出口に連通した高圧側凹所と、を有し、前記溝は周方向に前記低圧側凹所および前記高圧側凹所に重ならないように配置されている、請求項3のギアポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019182915 | 2019-10-03 | ||
JP2019182915 | 2019-10-03 | ||
PCT/JP2020/035162 WO2021065525A1 (ja) | 2019-10-03 | 2020-09-17 | ギアポンプ |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2021065525A1 JPWO2021065525A1 (ja) | 2021-04-08 |
JPWO2021065525A5 JPWO2021065525A5 (ja) | 2022-02-21 |
JP7298704B2 true JP7298704B2 (ja) | 2023-06-27 |
Family
ID=75337984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021550594A Active JP7298704B2 (ja) | 2019-10-03 | 2020-09-17 | ギアポンプ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11852142B2 (ja) |
EP (1) | EP4039979A4 (ja) |
JP (1) | JP7298704B2 (ja) |
WO (1) | WO2021065525A1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015194134A (ja) | 2014-03-31 | 2015-11-05 | 株式会社Ihi | 3連ギアポンプ及び流体供給装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB883356A (en) * | 1959-04-24 | 1961-11-29 | Thompson Ramo Wooldridge Inc | Improvements in or relating to pumps |
DE1264958B (de) * | 1960-10-08 | 1968-03-28 | Bosch Gmbh Robert | Zahnradpumpe oder -motor |
JPS4310563Y1 (ja) | 1964-02-17 | 1968-05-09 | ||
US3372646A (en) * | 1967-03-20 | 1968-03-12 | Borg Warner | Contaminant resistant fluid supply system |
GB1386237A (en) * | 1971-05-18 | 1975-03-05 | Dowty Hydraulic Units Ltd | Rotary positive-displacement hydraulic machines |
JPS55107092A (en) * | 1979-02-06 | 1980-08-16 | Kayaba Ind Co Ltd | Loading device for gear pump |
JPS5738685A (en) * | 1980-08-19 | 1982-03-03 | Matsushita Electric Ind Co Ltd | Gear pump |
JPS6114489A (ja) * | 1984-06-29 | 1986-01-22 | Kayaba Ind Co Ltd | ギヤポンプ又はモ−タ |
JPH04101084A (ja) * | 1990-08-17 | 1992-04-02 | Kazuo Moro | 外接式ギヤポンプ |
JP4310563B2 (ja) * | 1999-12-10 | 2009-08-12 | 株式会社村田製作所 | ヒータ及び該ヒータの端子部構造 |
JP2005344538A (ja) | 2004-06-01 | 2005-12-15 | Hitachi Ltd | 歯車ポンプ |
EP3324048B1 (en) | 2015-07-16 | 2020-02-26 | IHI Corporation | Triple gear pump and fluid supplying device |
FR3091317A1 (fr) * | 2018-12-26 | 2020-07-03 | Poclain Hydraulics Industrie | Pompe hydraulique, couvercle et flasque destinés à équiper une telle pompe |
-
2020
- 2020-09-17 EP EP20871137.4A patent/EP4039979A4/en active Pending
- 2020-09-17 WO PCT/JP2020/035162 patent/WO2021065525A1/ja unknown
- 2020-09-17 JP JP2021550594A patent/JP7298704B2/ja active Active
-
2021
- 2021-11-16 US US17/455,079 patent/US11852142B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015194134A (ja) | 2014-03-31 | 2015-11-05 | 株式会社Ihi | 3連ギアポンプ及び流体供給装置 |
Also Published As
Publication number | Publication date |
---|---|
EP4039979A4 (en) | 2023-10-25 |
EP4039979A1 (en) | 2022-08-10 |
WO2021065525A1 (ja) | 2021-04-08 |
US20220074408A1 (en) | 2022-03-10 |
US11852142B2 (en) | 2023-12-26 |
JPWO2021065525A1 (ja) | 2021-04-08 |
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