KR100900190B1 - 유압 압력 제어밸브 - Google Patents
유압 압력 제어밸브 Download PDFInfo
- Publication number
- KR100900190B1 KR100900190B1 KR1020080075160A KR20080075160A KR100900190B1 KR 100900190 B1 KR100900190 B1 KR 100900190B1 KR 1020080075160 A KR1020080075160 A KR 1020080075160A KR 20080075160 A KR20080075160 A KR 20080075160A KR 100900190 B1 KR100900190 B1 KR 100900190B1
- Authority
- KR
- South Korea
- Prior art keywords
- poppet
- control valve
- pilot
- pilot poppet
- balance piston
- Prior art date
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (7)
- 삭제
- 입력포트(11)와 탱크포트(12)사이의 유로를 개폐하는 메인포펫(10)과, 입력포트(11)의 작동유가 탱크포트(12)으로의 이동에 의해 기동하는 밸런스피스톤(20,30,40)과, 밸런스피스톤(20,30,40)의 기동에 의해 함께 움직이며 메인포펫(10) 내부의 배압실(13) 및 탱크포트(12)와 연통되는 중간실(15)을 개폐하는 원추형상의 파일롯포펫(50,60)과, 파일롯포펫(50)을 고정하는 고정수단(70)으로 구성되어, 파일롯포펫(50,60)의 원주방향으로의 움직임방지, 이음 및 채터링 현상이 방지되도록 구성되며;상기 밸런스피스톤(20,30)은,파일롯포펫(50)에 맞닿는 끝단부가 반구 형상의 원형으로 구성되고, 상기 밸런스피스톤(20,30)의 외주면에 하나 이상의 오일그르부(21,31)를 형성시켜서, 배압실(13)에서 파일롯포펫(60)으로 이동하는 작동유의 쇼크압력이 차단되도록 하고 그 흐름을 안정되게 함으로 이음 및 채터링 현상이 방지되도록 구성되는 것을 특징으로 하는 유압 압력 제어밸브.
- 제2항에 있어서,파일롯포펫(50)에 맞닿는 끝단부에 형성된 밸런스피스톤(30)의 반구 형상의 원형이, 편심된 원형 형상의 편심원형으로 구성되어, 이음 및 채터링 현상이 방지되도록 구성되는 것을 특징으로 하는 유압 압력 제어밸브.
- 삭제
- 삭제
- 청구항 3에 있어서, 상기 고정수단(70)은 파일롯포펫(50)의 자유 움직임이 제한되도록 결합되는 스파이더스프링으로 구성되는 것을 특징으로 하는 유압 압력 제어밸브.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080075160A KR100900190B1 (ko) | 2008-07-31 | 2008-07-31 | 유압 압력 제어밸브 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080075160A KR100900190B1 (ko) | 2008-07-31 | 2008-07-31 | 유압 압력 제어밸브 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100900190B1 true KR100900190B1 (ko) | 2009-06-02 |
Family
ID=40982093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080075160A KR100900190B1 (ko) | 2008-07-31 | 2008-07-31 | 유압 압력 제어밸브 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100900190B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103557393A (zh) * | 2013-11-15 | 2014-02-05 | 中国电子科技集团公司第四十研究所 | 卡口连接的流体连接器 |
CN105805377A (zh) * | 2014-12-31 | 2016-07-27 | 无锡纵阳气动制造有限公司 | 一种稳压恒流阀 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0861554A (ja) * | 1994-08-17 | 1996-03-08 | Nabco Ltd | 圧力制御弁 |
KR19990045641A (ko) * | 1997-11-28 | 1999-06-25 | 오다 시게루 | 밸런스 피스톤형 릴리프밸브 |
JPH11182456A (ja) * | 1997-12-19 | 1999-07-06 | Jidosha Kiki Co Ltd | リリーフバルブ付きポンプ |
JPH11311349A (ja) * | 1998-04-28 | 1999-11-09 | Nabco Ltd | 水圧リリーフ弁 |
-
2008
- 2008-07-31 KR KR1020080075160A patent/KR100900190B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0861554A (ja) * | 1994-08-17 | 1996-03-08 | Nabco Ltd | 圧力制御弁 |
KR19990045641A (ko) * | 1997-11-28 | 1999-06-25 | 오다 시게루 | 밸런스 피스톤형 릴리프밸브 |
JPH11182456A (ja) * | 1997-12-19 | 1999-07-06 | Jidosha Kiki Co Ltd | リリーフバルブ付きポンプ |
JPH11311349A (ja) * | 1998-04-28 | 1999-11-09 | Nabco Ltd | 水圧リリーフ弁 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103557393A (zh) * | 2013-11-15 | 2014-02-05 | 中国电子科技集团公司第四十研究所 | 卡口连接的流体连接器 |
CN105805377A (zh) * | 2014-12-31 | 2016-07-27 | 无锡纵阳气动制造有限公司 | 一种稳压恒流阀 |
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