KR100289786B1 - 유압펌프 - Google Patents
유압펌프 Download PDFInfo
- Publication number
- KR100289786B1 KR100289786B1 KR1019980023740A KR19980023740A KR100289786B1 KR 100289786 B1 KR100289786 B1 KR 100289786B1 KR 1019980023740 A KR1019980023740 A KR 1019980023740A KR 19980023740 A KR19980023740 A KR 19980023740A KR 100289786 B1 KR100289786 B1 KR 100289786B1
- Authority
- KR
- South Korea
- Prior art keywords
- bush
- pump
- bearing
- drive shaft
- hole
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/02—Arrangements of 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
- 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
-
- 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
- F04C2240/605—Shaft sleeves or details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (5)
- 펌프 유닛과,구멍을 가지고, 상기 구멍의 한 단부에 밀봉실이 형성되고, 상기 펌프 유닛과 상기 밀봉실 사이에 유체가 통하도록 상기 구멍 내에 오일 홈이 형성된 본체와,상기 펌프 유닛을 수용하기 위한 요부를 형성하도록 상기 본체에 부착된 덮개와,상기 본체의 상기 구멍을 통하여 배열된 구동 축과,상기 구동 축을 지지하기 위해 상기 본체의 상기 구멍을 통하여 배열된 부시를 포함하고,상기 부시는 상기 본체의 상기 구멍의 축 방향으로 배치된 부분들을 포함하며, 상기 부시의 양 단부에 배치된 상기 부분들 중 두개는 원주상에서 상호 멀리 위치된 시임을 구비하는 것을 특징으로 하는 유압 펌프.
- 제1항에 있어서, 상기 부시의 각 부분은 판을 말아서 형성한 것을 특징으로 하는 유압 펌프.
- 제1항에 있어서, 상기 부시의 상기 부분은 규칙적인 간격으로 배치되는 것을 특징으로 하는 유압 펌프.
- 제3항에 있어서, 상기 각각의 규칙적인 간격은 상기 부시의 축 방향 길이의 사실상 1/3인 것을 특징으로 하는 유압 펌프.
- 제1항에 있어서, 상기 부시의 상기 부분은 불규칙적인 간격으로 배치되는 것을 특징으로 하는 유압 펌프.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-181872 | 1997-06-24 | ||
JP18187297A JP3387780B2 (ja) | 1997-06-24 | 1997-06-24 | 油圧ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990007248A KR19990007248A (ko) | 1999-01-25 |
KR100289786B1 true KR100289786B1 (ko) | 2001-05-15 |
Family
ID=16108336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980023740A KR100289786B1 (ko) | 1997-06-24 | 1998-06-23 | 유압펌프 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6048185A (ko) |
JP (1) | JP3387780B2 (ko) |
KR (1) | KR100289786B1 (ko) |
DE (1) | DE19827924B4 (ko) |
TW (1) | TW389813B (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6685453B2 (en) | 2001-06-14 | 2004-02-03 | Parker-Hannifin Corporation | Fluid transfer machine with drive shaft lubrication and cooling |
JP2006152914A (ja) * | 2004-11-29 | 2006-06-15 | Hitachi Ltd | オイルポンプ |
JP5019134B2 (ja) * | 2009-03-25 | 2012-09-05 | 株式会社デンソー | 燃料噴射ポンプ |
CN107091227A (zh) * | 2017-05-17 | 2017-08-25 | 奇瑞汽车股份有限公司 | 一种转向泵、液压助力转向***和汽车 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5776201A (en) * | 1980-10-31 | 1982-05-13 | Hitachi Ltd | Oil feed device for scroll hydraulic machine |
JPS6030495A (ja) * | 1983-07-29 | 1985-02-16 | Hitachi Ltd | ロ−タリ式圧縮機の給油機構 |
DE4120757C2 (de) * | 1990-06-25 | 2000-06-15 | Zahnradfabrik Friedrichshafen | Flügelzellenpumpe |
JPH07279871A (ja) * | 1994-04-04 | 1995-10-27 | Showa:Kk | オイルポンプの駆動軸枢支構造 |
US5503478A (en) * | 1995-04-03 | 1996-04-02 | Federal-Mogul Corporation | Lubricant distribution system for bearings and bushings |
-
1997
- 1997-06-24 JP JP18187297A patent/JP3387780B2/ja not_active Expired - Lifetime
-
1998
- 1998-06-05 TW TW087108963A patent/TW389813B/zh not_active IP Right Cessation
- 1998-06-11 US US09/095,598 patent/US6048185A/en not_active Expired - Lifetime
- 1998-06-23 KR KR1019980023740A patent/KR100289786B1/ko not_active IP Right Cessation
- 1998-06-23 DE DE19827924A patent/DE19827924B4/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TW389813B (en) | 2000-05-11 |
US6048185A (en) | 2000-04-11 |
KR19990007248A (ko) | 1999-01-25 |
JP3387780B2 (ja) | 2003-03-17 |
DE19827924A1 (de) | 1999-01-07 |
JPH1113669A (ja) | 1999-01-19 |
DE19827924B4 (de) | 2005-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20060198748A1 (en) | Scroll machine with single plate floating seal | |
JPH1172014A (ja) | 燃料加圧用ポンプ | |
KR100289782B1 (ko) | 유압펌프 | |
JP2001153066A (ja) | ギヤポンプ | |
US8690557B2 (en) | Variable displacement vane pump | |
KR100289786B1 (ko) | 유압펌프 | |
US5273408A (en) | Variable-displacement vane pump | |
US7220111B2 (en) | Hydraulic pump | |
JP3754181B2 (ja) | 油圧ポンプ | |
JP3732621B2 (ja) | 油圧ポンプ | |
JP3656205B2 (ja) | パワーステアリング装置用油圧ポンプ | |
KR0137413B1 (ko) | 횡형 로터리식 압축기 | |
JP2881435B2 (ja) | クローズドセンター流体装置 | |
JPH08291793A (ja) | ベーンポンプ | |
JP2005036687A (ja) | 油圧ポンプ | |
JP2528013Y2 (ja) | オイルポンプ | |
US20230313793A1 (en) | Hydraulic machine | |
JPH0343434Y2 (ko) | ||
KR100234769B1 (ko) | 스크롤 압축기의 오일토출량 저감 및 윤활구조 | |
JP3796073B2 (ja) | 可変容量型ベーンポンプ | |
JPH1026086A (ja) | ベーンポンプの焼き付き防止構造 | |
JPS61265372A (ja) | ギヤポンプの低圧潤滑装置 | |
JP4364430B2 (ja) | 潤滑経路を有するジェロータモータ | |
JP2009121350A (ja) | ベーンポンプ | |
JP2002106476A (ja) | ギヤポンプ |
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: 20130201 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20140204 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20150119 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20160119 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20170119 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20180202 Year of fee payment: 18 |
|
EXPY | Expiration of term |