KR870005190A - 유압시스템 - Google Patents

유압시스템 Download PDF

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Publication number
KR870005190A
KR870005190A KR860009682A KR860009682A KR870005190A KR 870005190 A KR870005190 A KR 870005190A KR 860009682 A KR860009682 A KR 860009682A KR 860009682 A KR860009682 A KR 860009682A KR 870005190 A KR870005190 A KR 870005190A
Authority
KR
South Korea
Prior art keywords
outlet
valve
inlet
motor
communicating
Prior art date
Application number
KR860009682A
Other languages
English (en)
Inventor
레이바버 데니스
마빈 델프스 래리
버크 로니프랭클린
Original Assignee
지미 알. 오우크스
디어 앤드 캄파니
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 지미 알. 오우크스, 디어 앤드 캄파니 filed Critical 지미 알. 오우크스
Publication of KR870005190A publication Critical patent/KR870005190A/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3127—Floating position connecting the working ports and the return line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Servomotors (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

내용 없음

Description

유압시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 유압모터와 모터 밀봉 보호밸브를 갖는 유압회로의 계통도.
제2도는 본 발명의 모터 보호밸브의 단면도.
제3도는 다른 실시예의 모터 밀봉 보호밸브를 갖는 유압 모터회로의 계통도.
* 도면의 주요부분에 대한 부호의 설명
10 : 유압모터, 12 : 공급 라인, 14 : 반송 라인, 16 : 배출 라인, 18 : 역지 밸브, 20 : 조정 밸브, 22 : 펌프, 23 : 공급구, 24 : 저장소, 25 : 반송구, 26 : 오프 위치, 28 : 런 위치, 30 : 플로우트 위치, 32 : 유량 조정 밸브, 34 : 억지 밸브, 40 : 무한 위치 결정 밸브, 42 : 입구, 44 : 제1출구, 46 : 제2출구, 48 : 제3출구, 59 : 반송로, 51 : 스풀, 52 : 역지 밸브, 53 : 제1위치, 54 : 제2위치, 56 : 제3위치, 58 : 스프링, 60 : 필롯, 62 : 필롯 통로, 70 : 하우징, 72 : 구멍, 74 : 슬리브, 76,78,80 : 방사구, 82,84,86,88 : 랜드, 85 : 홈, 90 : 스템, 92 : 슬롯, 100 : 밸브, 102 : 밸브 부재

Claims (5)

  1. 시스템압력원, 저장소 압력원 및 시스템 압력을 받기 위한 입구와 저장소 압력과 연통된 출구를 갖는 유압 모터를 포함하는 유압 시스템에 있어서,
    모터입구가 시스템 압력과 연통되는 것을 차단하고, 모터 출력의 과압 상태에 호응하여 모터 입구를 저장소 압력에 연통시키는 압력호응 밸브수단을 포함하는 것을 특징으로 하는 유압시스템.
  2. 제1항에 있어서,
    밸브 수단이 밸브 구멍을 갖는 밸브와, 밸브구멍을 시스템 압력에 연결시키는 입구와, 밸브 구멍과 저장소 압력을 연통시키는 제1출구와, 밸브 구멍과 모터 입구를 연통시키는 제2출구와, 반송통로를 거쳐 밸브 구멍과 모터출구를 연통시키는 제3출구와, 입구는 제2출구에 연결되어 있고 제1 및 제3출구는 차단되어 있는 제1위치로, 제1 및 제2출구는 차단되어 있고 입구는 제3출구에 연결되어 있는 제2위치로 제1 및 제2출구는 서로 연결되어 있고 입구는 제3출구에 연결되어 있는 제3위치로 구멍내에서 이동가능한 밸브 부재와, 밸브 부재를 제1위치로 밀도록 편위되어 있는 스프링과, 밸브부재를 제2 및 제3위치로 이동시키기 위한 압력 작동식 필롯과, 그리고 필롯과 반송통로를 연통시키는 필롯 라인을 포함하는것을 특징으로 하는 유압시스템.
  3. 제2항에 있어서,
    제1출구는 밸브 구멍의 한쪽 단부로부터 밸브하우징을 거쳐 축방향으로 연장되어 있는 통로로 이루어진 것을 특징으로 하는 유압시스템.
  4. 제3항에 있어서,
    스프링은 밸브 구멍의 한쪽 단부에서 하우징의 벽과 밸브 부재를 결합시키고 있는 것을 특징으로 하는 유압시스템.
  5. 제1항에 있어서,
    밸브 수단은 밸브 구멍을 갖은 밸브 하우징과, 밸브 구멍은 시스템압력에 연결시키는 입구와, 밸브구멍과 저장소 압력을 연통시키는 제1출구와, 밸브구멍을 모터입구에 연통시키는 제2출구와, 입구는 제2출구에 연결되어 있고 제1출구는 차단되어 있는 제1위치로, 입구와 제1및 제2출구가 차단되어 있는 제2위치로, 제1 및 제2출구가 서로 연결되어 있고 입구는 차단되어 있는 제3위치로 구멍내에서 이동 가능한 밸브 부재와, 밸브 부재를 제1위치로 밀도록 편위되어 있는 스프링과, 밸브 부재를 제2및 제3위치로 이동시키기 위한 압력 작동식 필롯과, 그리고 필롯과 모터 출구를 연통시키는 필롯 라인을 포함하는 것을 특징으로 하는 유압시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR860009682A 1985-11-18 1986-11-17 유압시스템 KR870005190A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/799,057 US4713936A (en) 1985-11-18 1985-11-18 Motor seal protector valve
US799,057 1985-11-18

Publications (1)

Publication Number Publication Date
KR870005190A true KR870005190A (ko) 1987-06-05

Family

ID=25174944

Family Applications (1)

Application Number Title Priority Date Filing Date
KR860009682A KR870005190A (ko) 1985-11-18 1986-11-17 유압시스템

Country Status (11)

Country Link
US (1) US4713936A (ko)
EP (1) EP0224156A3 (ko)
JP (1) JPS62118104A (ko)
KR (1) KR870005190A (ko)
CN (1) CN86107785A (ko)
AR (1) AR247606A1 (ko)
AU (1) AU6417286A (ko)
BR (1) BR8605637A (ko)
CA (1) CA1265977A (ko)
DK (1) DK549386A (ko)
ZA (1) ZA868702B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812300C1 (ko) * 1988-04-13 1989-03-02 Hydromatik Gmbh, 7915 Elchingen, De
US5197284A (en) * 1989-07-21 1993-03-30 Cartner Jack O Hydraulic motor deceleration system
DE4231189A1 (de) * 1992-09-17 1994-03-24 Rexroth Mannesmann Gmbh Sicherheitsschaltung für ein servohydraulisches Regelsystem
WO2007051254A1 (en) * 2005-11-04 2007-05-10 Mark Andrew Fogarty Pressure release valve, system and method of use
US7896188B2 (en) * 2007-03-16 2011-03-01 National Steel And Shipbuilding Company Universal support arrangement for semi-membrane tank walls

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US3125324A (en) * 1964-03-17 Vivier
GB345203A (en) * 1929-07-17 1931-03-04 Cuttat Sa Des Ets Regulator for hydraulic cylinders
GB345337A (en) * 1929-10-08 1931-03-19 Cuttat Sa Des Ets Regulator for a hydraulic cylinder
US3411416A (en) * 1965-01-29 1968-11-19 Eton Yale & Towne Inc Adjustable, metered, directional flow control arrangement
US3470792A (en) * 1967-08-02 1969-10-07 Cessna Aircraft Co Maximum pressure control apparatus for hydraulic actuators
CH525413A (de) * 1970-06-26 1972-07-15 Von Roll Ag Hydrostatisches Reversiergetriebe
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US3942413A (en) * 1974-08-01 1976-03-09 Borg-Warner Corporation Load limiting system
DE2437262B2 (de) * 1974-08-02 1976-09-02 Klöckner-Humboldt-Deutz AG, 5000 Köln Hydraulische steuereinrichtung fuer ein landwirtschaftlich nutzbares kraftfahrzeug
US3915068A (en) * 1974-08-30 1975-10-28 Deere & Co Hydrostatic transmission
GB1483396A (en) * 1975-02-14 1977-08-17 Coal Ind Methods of and apparatus for controlling hydraulic equipment
US4040439A (en) * 1976-03-29 1977-08-09 Eaton Corporation Cushion valve arrangement
US4114516A (en) * 1976-10-15 1978-09-19 Caterpillar Tractor Co. Anti-cavitation and pressure modulating relief valve for controlling hydraulic cylinders
US4218957A (en) * 1977-10-03 1980-08-26 Borg-Warner Corporation Flow control valve
JPS5472376A (en) * 1977-11-22 1979-06-09 Daikin Ind Ltd Hydraulic circuit
JPS57116913A (en) * 1981-01-10 1982-07-21 Hitachi Constr Mach Co Ltd Hydraulic drive unit for single rod type cylinder
US4520625A (en) * 1982-03-04 1985-06-04 Kabushiki Kaisha Komatsu Seisakusho Hydraulic brake valve system

Also Published As

Publication number Publication date
EP0224156A3 (de) 1989-04-26
CA1265977A (en) 1990-02-20
JPS62118104A (ja) 1987-05-29
CN86107785A (zh) 1987-05-27
AU6417286A (en) 1987-05-21
ZA868702B (en) 1988-07-27
DK549386D0 (da) 1986-11-17
EP0224156A2 (de) 1987-06-03
BR8605637A (pt) 1987-08-18
AR247606A1 (es) 1995-01-31
US4713936A (en) 1987-12-22
DK549386A (da) 1987-05-19

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