JP7124954B2 - はすば歯車ポンプまたはモータ - Google Patents
はすば歯車ポンプまたはモータ Download PDFInfo
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- JP7124954B2 JP7124954B2 JP2021504628A JP2021504628A JP7124954B2 JP 7124954 B2 JP7124954 B2 JP 7124954B2 JP 2021504628 A JP2021504628 A JP 2021504628A JP 2021504628 A JP2021504628 A JP 2021504628A JP 7124954 B2 JP7124954 B2 JP 7124954B2
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- Prior art keywords
- helical gear
- pair
- driven
- drive
- side helical
- Prior art date
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Classifications
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- 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
- F04C2/16—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 helical teeth, e.g. chevron-shaped, screw type
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- 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
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- 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
- 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
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids 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
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids 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 helical teeth, e.g. chevron-shaped, screw type
-
- 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
-
- 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)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Hydraulic Motors (AREA)
Description
12 フロントカバー
13 リアカバー
15 ブッシュ
16 ブッシュ
17 軸受孔
18 軸受孔
19 孔部
21 駆動軸
22 従動軸
23 はすば歯車
24 はすば歯車
25 ベアリングケース
26 ベアリングケース
27 高圧作動油溝
28 側板
29 側板
32 吸込通路
33 吐出通路
Claims (4)
- 互いに噛み合う駆動側はすば歯車および従動側はすば歯車からなる外接歯車対と、
前記駆動側はすば歯車に連結された駆動軸の軸受孔と前記従動側はすば歯車に連結された従動軸の軸受孔とが形成され、前記外接歯車対を両側から挟む一対の摺接部材と、
前記外接歯車対および前記一対の摺接部材を収納するケーシングと、
前記一対の摺接部材のうち、前記駆動側はすば歯車が押圧される側の摺接部材における前記駆動側はすば歯車との当接領域に形成され、前記ケーシング内の作動液の高圧領域と連通する高圧作動液溝と、
を備えたはすば歯車ポンプまたはモータであって、
前記駆動側はすば歯車の歯底円と前記駆動軸の軸受孔との距離が、前記従動側はすば歯車の歯底円と前記従動軸の軸受孔との距離より大きく、
前記駆動側はすば歯車の歯底円と前記駆動軸の軸受孔との距離が前記従動側はすば歯車の歯底円と前記従動軸の軸受孔との距離以下である場合と比較して、前記高圧作動液溝による高圧領域と前記駆動軸の外周部による低圧領域との距離が大きく設定されている、はすば歯車ポンプまたはモータ。 - 互いに噛み合う駆動側はすば歯車および従動側はすば歯車からなる外接歯車対と、
前記駆動側はすば歯車に連結された駆動軸の軸受孔と前記従動側はすば歯車に連結された従動軸の軸受孔とが形成され、前記外接歯車対を両側から挟む一対の摺接部材と、
前記外接歯車対および前記一対の摺接部材を収納するケーシングと、
前記一対の摺接部材のうち、前記駆動側はすば歯車が押圧される側の摺接部材における前記駆動側はすば歯車との当接領域に形成され、前記ケーシング内の作動液の高圧領域と連通する高圧作動液溝と、
を備えたはすば歯車ポンプまたはモータであって、
前記駆動側はすば歯車の歯底円と前記駆動軸の軸受孔との距離が、前記従動側はすば歯車の歯底円と前記従動軸の軸受孔との距離より大きく、
前記駆動軸における前記一対の摺接部材のうち前記駆動側はすば歯車が押圧される側の摺接部材を貫通する領域の外径が前記従動軸の外径より小さい、はすば歯車ポンプまたはモータ。 - 請求項1又は2に記載のはすば歯車ポンプまたはモータにおいて、
前記駆動側はすば歯車の歯数を、前記従動側はすば歯車の歯数より多くしたはすば歯車ポンプまたはモータ。 - 請求項1から請求項3のいずれかに記載のはすば歯車ポンプまたはモータにおいて、
前記摺接部材は、ベアリングケースまたは側板であるはすば歯車ポンプまたはモータ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/009492 WO2020183546A1 (ja) | 2019-03-08 | 2019-03-08 | はすば歯車ポンプまたはモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020183546A1 JPWO2020183546A1 (ja) | 2021-11-04 |
JP7124954B2 true JP7124954B2 (ja) | 2022-08-24 |
Family
ID=72426956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021504628A Active JP7124954B2 (ja) | 2019-03-08 | 2019-03-08 | はすば歯車ポンプまたはモータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US11773845B2 (ja) |
EP (1) | EP3936725A4 (ja) |
JP (1) | JP7124954B2 (ja) |
CN (1) | CN113348303B (ja) |
WO (1) | WO2020183546A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11378076B1 (en) * | 2021-01-28 | 2022-07-05 | Shimadzu Corporation | Gear pump or motor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002070754A (ja) | 2000-09-01 | 2002-03-08 | Shimadzu Corp | 歯車ポンプ又はモータ |
CN201661316U (zh) | 2010-02-08 | 2010-12-01 | 中国海洋石油总公司 | 一种高温齿轮液压马达 |
CN105952637A (zh) | 2016-06-16 | 2016-09-21 | 江苏国瑞液压机械有限公司 | 一种大排量主、从动轮大小不同的高压齿轮泵 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3972072B2 (ja) * | 1994-07-07 | 2007-09-05 | デイヴィッド ブラウン ハイドロリックス リミテッド | 流体圧装置 |
JP3727474B2 (ja) * | 1998-08-28 | 2005-12-14 | 株式会社ノリタケカンパニーリミテド | 振動防止機構及び振動防止機構を備えた工作機械 |
JP4200919B2 (ja) | 2004-02-17 | 2008-12-24 | 株式会社Ihi | ギアポンプ |
EP1944513A4 (en) * | 2005-10-31 | 2013-05-29 | Maekawa Seisakusho Kk | LIQUID INJECTION SCREW COMPRESSOR |
DE102009012916A1 (de) * | 2009-03-12 | 2010-09-16 | Robert Bosch Gmbh | Hydraulische Zahnradmaschine |
DE102009047610A1 (de) * | 2009-12-08 | 2011-06-09 | Robert Bosch Gmbh | Außenzahnradpumpe |
JP2013234635A (ja) * | 2012-05-11 | 2013-11-21 | Toyota Industries Corp | 外接ギヤポンプ |
WO2014141377A1 (ja) | 2013-03-12 | 2014-09-18 | 株式会社 島津製作所 | 歯車ポンプ又はモータ |
KR102453608B1 (ko) * | 2016-05-11 | 2022-10-12 | 현대두산인프라코어(주) | 기어펌프 |
DE102017218315A1 (de) * | 2017-10-13 | 2019-04-18 | Robert Bosch Gmbh | Außenzahnradpumpe für ein Abwärmerückgewinnungssystem |
-
2019
- 2019-03-08 US US17/428,627 patent/US11773845B2/en active Active
- 2019-03-08 CN CN201980090385.6A patent/CN113348303B/zh active Active
- 2019-03-08 JP JP2021504628A patent/JP7124954B2/ja active Active
- 2019-03-08 WO PCT/JP2019/009492 patent/WO2020183546A1/ja active Application Filing
- 2019-03-08 EP EP19919109.9A patent/EP3936725A4/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002070754A (ja) | 2000-09-01 | 2002-03-08 | Shimadzu Corp | 歯車ポンプ又はモータ |
CN201661316U (zh) | 2010-02-08 | 2010-12-01 | 中国海洋石油总公司 | 一种高温齿轮液压马达 |
CN105952637A (zh) | 2016-06-16 | 2016-09-21 | 江苏国瑞液压机械有限公司 | 一种大排量主、从动轮大小不同的高压齿轮泵 |
Also Published As
Publication number | Publication date |
---|---|
US20220112894A1 (en) | 2022-04-14 |
CN113348303A (zh) | 2021-09-03 |
EP3936725A4 (en) | 2022-03-23 |
EP3936725A1 (en) | 2022-01-12 |
CN113348303B (zh) | 2023-02-21 |
JPWO2020183546A1 (ja) | 2021-11-04 |
US11773845B2 (en) | 2023-10-03 |
WO2020183546A1 (ja) | 2020-09-17 |
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