CN101443578B - 低噪声齿轮泵 - Google Patents
低噪声齿轮泵 Download PDFInfo
- Publication number
- CN101443578B CN101443578B CN2007800168725A CN200780016872A CN101443578B CN 101443578 B CN101443578 B CN 101443578B CN 2007800168725 A CN2007800168725 A CN 2007800168725A CN 200780016872 A CN200780016872 A CN 200780016872A CN 101443578 B CN101443578 B CN 101443578B
- Authority
- CN
- China
- Prior art keywords
- gear
- contact points
- fluid
- motor
- wheel tooth
- 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
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/185—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction
-
- 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
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78177506P | 2006-03-13 | 2006-03-13 | |
US60/781,775 | 2006-03-13 | ||
PCT/US2007/006354 WO2007106500A2 (fr) | 2006-03-13 | 2007-03-13 | Pompe a engrenageS a bas bruit |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101443578A CN101443578A (zh) | 2009-05-27 |
CN101443578B true CN101443578B (zh) | 2012-10-10 |
Family
ID=38510061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800168725A Expired - Fee Related CN101443578B (zh) | 2006-03-13 | 2007-03-13 | 低噪声齿轮泵 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1994308A2 (fr) |
JP (1) | JP5068306B2 (fr) |
CN (1) | CN101443578B (fr) |
BR (1) | BRPI0708783A2 (fr) |
WO (1) | WO2007106500A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3098547B1 (fr) * | 2019-07-08 | 2022-04-29 | Safran Aircraft Engines | Assemblage de maintien d’un train d’engrenages dans une turbomachine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462924A (en) * | 1944-03-01 | 1949-03-01 | Equi Flow Inc | Gear tooth profile |
US3873252A (en) * | 1972-07-11 | 1975-03-25 | Komatsu Mfg Co Ltd | Gear pump and motor |
CN1069552A (zh) * | 1992-05-06 | 1993-03-03 | 朱寿和 | 变量齿轮泵 |
CN2154923Y (zh) * | 1993-04-05 | 1994-02-02 | 沈恒 | 无磨损齿轮泵 |
CN2298357Y (zh) * | 1996-09-19 | 1998-11-25 | 葛开茂 | 变量齿轮泵 |
-
2007
- 2007-03-13 EP EP07753013A patent/EP1994308A2/fr not_active Withdrawn
- 2007-03-13 CN CN2007800168725A patent/CN101443578B/zh not_active Expired - Fee Related
- 2007-03-13 JP JP2009500441A patent/JP5068306B2/ja not_active Expired - Fee Related
- 2007-03-13 BR BRPI0708783-7A patent/BRPI0708783A2/pt not_active IP Right Cessation
- 2007-03-13 WO PCT/US2007/006354 patent/WO2007106500A2/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462924A (en) * | 1944-03-01 | 1949-03-01 | Equi Flow Inc | Gear tooth profile |
US3873252A (en) * | 1972-07-11 | 1975-03-25 | Komatsu Mfg Co Ltd | Gear pump and motor |
CN1069552A (zh) * | 1992-05-06 | 1993-03-03 | 朱寿和 | 变量齿轮泵 |
CN2154923Y (zh) * | 1993-04-05 | 1994-02-02 | 沈恒 | 无磨损齿轮泵 |
CN2298357Y (zh) * | 1996-09-19 | 1998-11-25 | 葛开茂 | 变量齿轮泵 |
Also Published As
Publication number | Publication date |
---|---|
JP2009530530A (ja) | 2009-08-27 |
CN101443578A (zh) | 2009-05-27 |
JP5068306B2 (ja) | 2012-11-07 |
BRPI0708783A2 (pt) | 2011-06-14 |
WO2007106500A2 (fr) | 2007-09-20 |
EP1994308A2 (fr) | 2008-11-26 |
WO2007106500A3 (fr) | 2008-01-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7281376B2 (en) | Hydraulic hybrid powertrain system | |
US5918573A (en) | Energy efficient fluid pump | |
US8042331B2 (en) | On-demand hydraulic pump for a transmission and method of operation | |
US8904989B2 (en) | Lubrication structure for hybrid type vehicle power unit | |
US8413437B2 (en) | Transmission hydraulic control system having independently controlled stator cooling flow | |
WO2014123027A1 (fr) | Dispositif d'alimentation en pression hydraulique pour boîte de vitesses automatique | |
CN101535633B (zh) | 长寿命伸缩式齿轮泵及马达 | |
US20070227802A1 (en) | Hybrid earthmover | |
US8322252B2 (en) | Step-change transmission having charge and variable displacement pumps | |
US8215932B2 (en) | Long life telescoping gear pumps and motors | |
JP5152530B2 (ja) | ハイブリッドアースムーバー | |
CN100582516C (zh) | 液压混合动力系统 | |
KR20100015712A (ko) | 무단 변속 장치 어셈블리 | |
CN101443578B (zh) | 低噪声齿轮泵 | |
US20190011046A1 (en) | Hydraulic circuit to enable unidirectional flow under forward and reverse positive displacement pump rotation | |
US8011910B2 (en) | Low noise gear set for gear pump | |
US10571016B2 (en) | Electronic transmission range selection for a continuously variable transmission | |
RU2826872C1 (ru) | Автоматический гидравлический вариатор со ступенчато изменяемой объёмной составляющей | |
KR100277926B1 (ko) | 차량용 변속기의 오일공급장치 | |
RU2488722C1 (ru) | Бесступенчатый вариатор | |
WO2020144702A2 (fr) | Procédés et systèmes pour système de transmission de puissance hydraulique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MOLY-LED CO.,LTD. Free format text: FORMER OWNER: HABLER DRIVE SYSTEM LIMITED LIABILITY COMPANY Effective date: 20091113 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20091113 Address after: Michigan Applicant after: Limo Reid Inc. Address before: Michigan Applicant before: Hybra Drive Systems LLC |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140313 |