KR100312990B1 - 압력 맥동(脈動)을 저감하기 위한 유로(流路)를 갖는 유체 펌프 - Google Patents
압력 맥동(脈動)을 저감하기 위한 유로(流路)를 갖는 유체 펌프 Download PDFInfo
- Publication number
- KR100312990B1 KR100312990B1 KR1019990007076A KR19990007076A KR100312990B1 KR 100312990 B1 KR100312990 B1 KR 100312990B1 KR 1019990007076 A KR1019990007076 A KR 1019990007076A KR 19990007076 A KR19990007076 A KR 19990007076A KR 100312990 B1 KR100312990 B1 KR 100312990B1
- Authority
- KR
- South Korea
- Prior art keywords
- flow path
- pump
- fuel
- fluid
- fluid pump
- Prior art date
Links
- 230000010349 pulsation Effects 0.000 title claims abstract description 43
- 239000012530 fluid Substances 0.000 title claims description 32
- 239000000446 fuel Substances 0.000 claims abstract description 53
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/041—Arrangements for driving gear-type 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- 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
- F04C2/10—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims (10)
- 하우징과,펌프실을 형성하도록 하우징의 양측에 구성된 한 쌍의 측판과,상기 펌프실의 하류에서 측판중 하나를 유로에 제공하도록 상기 측판중 하나에 부착된 판과,상기 펌프실로부터 토출되어 유로에 흐르는 유체에 난류를 발생시키도록 유로에 제공됨으로써, 유로로부터 토출된 연료의 압력 맥동을 저감하는 돌출부 및 홈중 적어도 하나를 포함하는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 상기 유로는 상기 측판중 하나의 측면을 따라서 아치형으로 형성되는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 상기 유로는 유체를 반대 방향으로 흐르게 하도록 선회되어 있는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 상기 펌프실은 용적식으로 형성되는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 모터 유닛을 더 포함하는 유체 펌프에 있어서, 상기 판은 원판형이고, 상기 모터 유닛과 상기 측판중 하나 사이에 배치되는 것을 특징으로 하는 유체 펌프.
- 제3항에 있어서, 상기 유로의 선회부 상류측 및 하류측에 제공된 홈이 원주 방향으로 교대 배치되는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 상기 유로는 상기 판에 대향하는 하나의 측판면에 형성되는 것을 특징으로 하는 유체 펌프.
- 제7항에 있어서, 상기 유로는 상기 측판중 하나의 외주면을 따라 형성되고 방사방향으로 폭을 가지며;상기 홈은 원주 방향으로 등각 배치되어 상기 유로로부터 방사상 내측방향으로 상기 유로의 폭 보다 큰 깊이로 뻗어 있는 것을 특징으로 하는 유체 펌프.
- 제1항에 있어서, 내주면에 다수의 트로코이드 톱니를 가지며 상기 펌프실에 배치된 외부 회전자와;외주면에 다수의 트로코이드 톱니를 가지며 상기 펌프실에 배치된 내부 회전자를 더 포함하는 유체 펌프.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 하나의 측판 및 판 모두는 조합해서 유로를 제공하는 각각의 홈을 가지는 것을 특징으로 하는 유체 펌프.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP98-68031 | 1998-03-18 | ||
JP6803198 | 1998-03-18 | ||
JP98-319399 | 1998-11-10 | ||
JP31939998A JP3956511B2 (ja) | 1998-03-18 | 1998-11-10 | 燃料ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990077583A KR19990077583A (ko) | 1999-10-25 |
KR100312990B1 true KR100312990B1 (ko) | 2001-11-05 |
Family
ID=26409266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990007076A KR100312990B1 (ko) | 1998-03-18 | 1999-03-04 | 압력 맥동(脈動)을 저감하기 위한 유로(流路)를 갖는 유체 펌프 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6082984A (ko) |
JP (1) | JP3956511B2 (ko) |
KR (1) | KR100312990B1 (ko) |
DE (1) | DE19908174B4 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6309187B1 (en) * | 1999-03-17 | 2001-10-30 | Visteon Global Technologies, Inc. | Hydraulic gear pump power pack for a power steering system with an integral pressure wave attenuator for fluid noise reduction |
DE19927789A1 (de) * | 1999-06-18 | 2000-12-21 | Bosch Gmbh Robert | Flüssigkeitspumpe, insbesondere zum Fördern von Kraftstoff |
US6481991B2 (en) * | 2000-03-27 | 2002-11-19 | Denso Corporation | Trochoid gear type fuel pump |
US6623262B1 (en) | 2001-02-09 | 2003-09-23 | Imd Industries, Inc. | Method of reducing system pressure pulsation for positive displacement pumps |
JP2003113750A (ja) * | 2001-07-31 | 2003-04-18 | Denso Corp | タービン式燃料ポンプ |
JP2003314469A (ja) * | 2002-04-24 | 2003-11-06 | Matsushita Electric Ind Co Ltd | 冷媒ポンプ |
US6890144B2 (en) | 2002-09-27 | 2005-05-10 | Visteon Global Technologies, Inc. | Low noise fuel pump design |
US7156625B2 (en) * | 2002-10-31 | 2007-01-02 | Grant Barry S | Fuel pump with filter-absent safety valve and universal inlet and outlet |
US10247185B2 (en) * | 2015-02-25 | 2019-04-02 | Delphi Technologies Ip Limited | Fluid pump |
JP6459740B2 (ja) * | 2015-04-13 | 2019-01-30 | 株式会社デンソー | 流体ポンプ |
JP6358159B2 (ja) * | 2015-04-14 | 2018-07-18 | 株式会社デンソー | 燃料ポンプ |
KR101583678B1 (ko) | 2015-06-15 | 2016-01-11 | 류병덕 | 입체수족관 벤치 및 테이블 |
JP6447482B2 (ja) | 2015-12-15 | 2019-01-09 | 株式会社デンソー | 燃料ポンプ |
CN106438137A (zh) * | 2016-08-29 | 2017-02-22 | 芜湖银星汽车零部件有限公司 | 一种油泵支架 |
WO2022079478A1 (en) | 2020-10-16 | 2022-04-21 | Arcelormittal | Method for estimating the temperature and the oxide thickness of a steel strip |
JP2024063595A (ja) * | 2022-10-26 | 2024-05-13 | Ntn株式会社 | 電動流体ポンプ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0795469B2 (ja) * | 1986-12-05 | 1995-10-11 | 松下電器産業株式会社 | 電熱ユニツト |
DE4120757C2 (de) * | 1990-06-25 | 2000-06-15 | Zahnradfabrik Friedrichshafen | Flügelzellenpumpe |
JPH05202861A (ja) * | 1991-10-30 | 1993-08-10 | Nippondenso Co Ltd | 歯車式ポンプ |
JP3394544B2 (ja) * | 1991-11-05 | 2003-04-07 | 株式会社デンソー | ギヤポンプ |
DE4413515A1 (de) * | 1993-05-11 | 1994-11-17 | Barmag Luk Automobiltech | Hydraulikpumpe |
US5586858A (en) * | 1995-04-07 | 1996-12-24 | Walbro Corporation | Regenerative fuel pump |
FR2735534B1 (fr) * | 1995-06-15 | 1997-08-29 | Hydroperfect Int | Ensemble moteur electrique et pompe hydraulique a grande compacite |
US5997262A (en) * | 1997-04-10 | 1999-12-07 | Walbro Corporation | Screw pins for a gear rotor fuel pump assembly |
-
1998
- 1998-11-10 JP JP31939998A patent/JP3956511B2/ja not_active Expired - Lifetime
-
1999
- 1999-01-25 US US09/236,383 patent/US6082984A/en not_active Expired - Lifetime
- 1999-02-25 DE DE19908174A patent/DE19908174B4/de not_active Expired - Lifetime
- 1999-03-04 KR KR1019990007076A patent/KR100312990B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH11324839A (ja) | 1999-11-26 |
US6082984A (en) | 2000-07-04 |
DE19908174B4 (de) | 2012-12-13 |
KR19990077583A (ko) | 1999-10-25 |
DE19908174A1 (de) | 1999-09-23 |
JP3956511B2 (ja) | 2007-08-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100312990B1 (ko) | 압력 맥동(脈動)을 저감하기 위한 유로(流路)를 갖는 유체 펌프 | |
KR100231141B1 (ko) | 재생펌프 및 그의 케이싱 | |
US5263818A (en) | Pump for pumping fluid without vacuum boiling | |
KR100303272B1 (ko) | 불규칙한날개홈을가지는유체공급장치 | |
JP2002257052A (ja) | トロコイドギヤポンプ | |
US6299406B1 (en) | High efficiency and low noise fuel pump impeller | |
US20180172000A1 (en) | Gear pump | |
US5201878A (en) | Vane pump with pressure chambers at the outlet to reduce noise | |
US3795459A (en) | Pitot pump with slotted inlet passages in rotor case | |
US6296439B1 (en) | Regenerative turbine pump impeller | |
US6942447B2 (en) | Impeller pumps | |
US7244094B2 (en) | Low noise impeller pumps | |
US5772393A (en) | Low noise fuel pump unit | |
JP6380299B2 (ja) | 燃料ポンプ | |
JP2000265972A (ja) | 燃料ポンプ | |
JP2842450B2 (ja) | 内接型ギヤモータ | |
JP7150870B2 (ja) | ベーンポンプ装置 | |
JPH07305684A (ja) | トロコイド歯型を用いた内接歯車式液体ポンプの運転騒音低減構造 | |
JP2003120497A (ja) | ベーン式回転機械 | |
CN112392766A (zh) | 侧流道泵 | |
JP2001280261A (ja) | 燃料ポンプ | |
JP3109405B2 (ja) | 内接型ギヤポンプ | |
JPH09242679A (ja) | ベーンポンプ | |
JP5824391B2 (ja) | 内接歯車ポンプ | |
JPH03134279A (ja) | トロコイド型オイルポンプ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120924 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20131004 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20141006 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20151002 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20161007 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20171011 Year of fee payment: 17 |
|
LAPS | Lapse due to unpaid annual fee |