JP4438519B2 - ポンプ装置 - Google Patents
ポンプ装置 Download PDFInfo
- Publication number
- JP4438519B2 JP4438519B2 JP2004164502A JP2004164502A JP4438519B2 JP 4438519 B2 JP4438519 B2 JP 4438519B2 JP 2004164502 A JP2004164502 A JP 2004164502A JP 2004164502 A JP2004164502 A JP 2004164502A JP 4438519 B2 JP4438519 B2 JP 4438519B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge passage
- inflow prevention
- reduction chamber
- liquid inflow
- residual liquid
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
-
- 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
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- 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
Description
図1は実施の形態1のポンプ装置の縦断面図であり、図2は図1のII−II線による断面図である。
図6は、実施の形態2のポンプ装置における残液流入防止筒5の吐出通路90への組付手順の説明図である。
3 低減室
5 残液流入防止筒
8 作動油(作動液)
9 吐出口(開口)
20 ギヤハウジング(ハウジング)
23 吐出通路
24 カバーハウジング(ハウジング)
25 ベースハウジング(ハウジング)
27 外周面(外面)
50 一端部
51 シール部(シールリップ)
54 他端部
56,57,58 シール部
90 吐出通路
93 内壁
Claims (4)
- ポンプ部のハウジングの外面に開口する吐出通路の途中に、前記ポンプ部にて昇圧された作動液の脈動を低減する低減室を備えるポンプ装置において、
前記外面及び低減室間の吐出通路に一端部が嵌合固定され、前記低減室内に他端部が位置する残液流入防止筒を備え、
前記吐出通路の内壁と前記一端部との間を液密に封止するシールリップを前記一端部の外側に周設してある
ことを特徴とするポンプ装置。 - 前記シールリップは、吐出側が小さいテーパ状に形成してあることを特徴とする請求項1に記載のポンプ装置。
- ポンプ部のハウジングの外面に開口する吐出通路の途中に、前記ポンプ部にて昇圧された作動液の脈動を低減する低減室を備えるポンプ装置において、
前記外面及び低減室間の吐出通路に一端部が嵌合固定され、前記低減室内に他端部が位置する残液流入防止筒と、
前記吐出通路の内壁及び前記一端部間を液密に封止するシール部と
を備えることを特徴とするポンプ装置。 - 前記残液流入防止筒の他端部の外径を前記外面及び低減室間の吐出通路の内径より大きくしてあることを特徴とする請求項1乃至3の何れかに記載のポンプ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004164502A JP4438519B2 (ja) | 2004-06-02 | 2004-06-02 | ポンプ装置 |
EP05104660.5A EP1602827B1 (en) | 2004-06-02 | 2005-05-31 | Pump pulsation damper |
US11/140,738 US8591203B2 (en) | 2004-06-02 | 2005-06-01 | Pump apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004164502A JP4438519B2 (ja) | 2004-06-02 | 2004-06-02 | ポンプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005344588A JP2005344588A (ja) | 2005-12-15 |
JP4438519B2 true JP4438519B2 (ja) | 2010-03-24 |
Family
ID=34940025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004164502A Expired - Fee Related JP4438519B2 (ja) | 2004-06-02 | 2004-06-02 | ポンプ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8591203B2 (ja) |
EP (1) | EP1602827B1 (ja) |
JP (1) | JP4438519B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107867323B (zh) * | 2016-09-28 | 2019-11-22 | 比亚迪股份有限公司 | 电机油泵总成、转向系统和车辆 |
DE102017127675B4 (de) * | 2017-11-23 | 2023-03-23 | HAWE Altenstadt Holding GmbH | Hydraulische Druckversorgungseinheit |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2152056A (en) * | 1934-05-10 | 1939-03-28 | Reconstruction Finance Corp | Sealed unit |
GB831949A (en) * | 1955-11-14 | 1960-04-06 | Dowty Equipment Ltd | Improvements in devices for reducing hydraulic pressure ripples |
US3065711A (en) * | 1961-04-21 | 1962-11-27 | Oilgear Co | Concentric pintle pump |
US3508766A (en) * | 1968-10-25 | 1970-04-28 | American Mach & Foundry | Welded joint for pipe having internal coating |
SE379582B (ja) * | 1973-10-23 | 1975-10-13 | B T F Ekman | |
US4103937A (en) * | 1976-11-26 | 1978-08-01 | Grumman Aerospace Corporation | Self-aligning permanent fitting |
US4182519A (en) * | 1978-01-24 | 1980-01-08 | Ralph Wilson | Resilient sealing ring |
US4239461A (en) * | 1978-11-06 | 1980-12-16 | Copeland Corporation | Compressor induction system |
US4260182A (en) * | 1979-12-05 | 1981-04-07 | Emerson Electric Co. | Compression fitting |
EP0065369A3 (en) * | 1981-05-15 | 1985-12-18 | Corning Limited | Coupling |
GB2217399B (en) * | 1988-04-15 | 1992-02-26 | Austin Rover Group | A seal |
US4969804A (en) * | 1989-03-08 | 1990-11-13 | Tecumseh Products Company | Suction line connector for hermetic compressor |
US5007807A (en) * | 1989-03-08 | 1991-04-16 | Tecumseh Products Company | Hermetic compressor having resilient internal mounting |
US5133647A (en) * | 1989-07-07 | 1992-07-28 | Ultra-Precision Manufacturing, Ltd. | Pulse damper |
US5101931A (en) * | 1990-05-23 | 1992-04-07 | Copeland Corporation | Discharge muffler and method |
CA2122151C (en) * | 1991-10-25 | 1998-01-06 | Nigel D. L. Williamson | Hydraulic port fittings |
CA2057219C (en) * | 1991-12-06 | 1994-11-22 | Roderick D. Mcleod | Packoff nipple |
US5205719A (en) * | 1992-01-13 | 1993-04-27 | Copeland Corporation | Refrigerant compressor discharge muffler |
US5499908A (en) * | 1992-09-30 | 1996-03-19 | Tecumseh Products Company | Method of making foam in an energy efficient compressor |
DE9420803U1 (de) * | 1994-12-23 | 1996-04-25 | Sihi Gmbh & Co Kg | Flüssigkeitsringgaspumpe mit einem Geräuschdämpfungskörper im Druckraum |
US5551732A (en) * | 1995-02-14 | 1996-09-03 | Proprietary Technology, Inc. | Quick connector |
DE19523634A1 (de) * | 1995-06-29 | 1997-01-02 | Bosch Gmbh Robert | Vorrichtung zur Aufnahme eines Kraftstofförderaggregats innerhalb eines Kraftstoffbehälters |
US5853204A (en) * | 1995-07-17 | 1998-12-29 | Proprietary Technology, Inc. | Means of coupling non-threaded connections |
US5535724A (en) * | 1995-08-23 | 1996-07-16 | Davco Manufacturing L.L.C. | Fuel pulsation dampener |
US5851036A (en) * | 1995-12-14 | 1998-12-22 | Vanesky; Frank W. | Permanent fitting for fluid-tight connections |
SE9701639L (sv) * | 1997-04-30 | 1998-11-08 | Forsheda Ab | Tätningsanordning |
JPH11166483A (ja) * | 1997-09-30 | 1999-06-22 | Koyo Seiko Co Ltd | 電動ポンプ装置 |
EP0905378A1 (en) | 1997-09-30 | 1999-03-31 | Koyo Seiko Co., Ltd. | Electric pump apparatus |
DE19833372A1 (de) * | 1998-07-24 | 2000-01-27 | Zahnradfabrik Friedrichshafen | Zahnradpumpe |
EP1004807B1 (en) * | 1998-11-24 | 2002-09-18 | John Guest Limited | Tube end support for a tube coupling |
FR2789446B1 (fr) * | 1999-02-04 | 2002-03-08 | Hydroperfect Internat Hpi | Pompe hydraulique du type a engrenage et groupe electro-pompe equipe d'une telle pompe |
JP2000251511A (ja) | 1999-03-03 | 2000-09-14 | Koito Mfg Co Ltd | 車両用灯具 |
US7128540B2 (en) * | 2001-09-27 | 2006-10-31 | Sanyo Electric Co., Ltd. | Refrigeration system having a rotary compressor |
US6745565B1 (en) * | 2002-10-24 | 2004-06-08 | Hydro-Gear Limited Partnership | Vent cap for hydraulic apparatus |
KR100564439B1 (ko) * | 2003-11-14 | 2006-03-29 | 엘지전자 주식회사 | 밀폐형압축기 |
-
2004
- 2004-06-02 JP JP2004164502A patent/JP4438519B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-31 EP EP05104660.5A patent/EP1602827B1/en not_active Expired - Fee Related
- 2005-06-01 US US11/140,738 patent/US8591203B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005344588A (ja) | 2005-12-15 |
US20050271533A1 (en) | 2005-12-08 |
EP1602827A3 (en) | 2010-05-12 |
US8591203B2 (en) | 2013-11-26 |
EP1602827B1 (en) | 2016-12-21 |
EP1602827A2 (en) | 2005-12-07 |
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