KR930010389A - 가변용량형 유압펌프의 제어장치 - Google Patents

가변용량형 유압펌프의 제어장치 Download PDF

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Publication number
KR930010389A
KR930010389A KR1019910021878A KR910021878A KR930010389A KR 930010389 A KR930010389 A KR 930010389A KR 1019910021878 A KR1019910021878 A KR 1019910021878A KR 910021878 A KR910021878 A KR 910021878A KR 930010389 A KR930010389 A KR 930010389A
Authority
KR
South Korea
Prior art keywords
piston
servo
pressure
control device
hydraulic pump
Prior art date
Application number
KR1019910021878A
Other languages
English (en)
Other versions
KR950007252B1 (ko
Inventor
박안홍
Original Assignee
김연수
삼성중공업 주식회사
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 김연수, 삼성중공업 주식회사 filed Critical 김연수
Priority to KR1019910021878A priority Critical patent/KR950007252B1/ko
Priority to US07/980,269 priority patent/US5297941A/en
Priority to DE69206113T priority patent/DE69206113T2/de
Priority to EP92120028A priority patent/EP0549883B1/en
Publication of KR930010389A publication Critical patent/KR930010389A/ko
Application granted granted Critical
Publication of KR950007252B1 publication Critical patent/KR950007252B1/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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/04—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by varying the output of a pump with variable capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1203—Power on the axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

본 발명은 사판의 경전각을 변화시키는 유압서보기구를 가지고 있는 가변용량형 유압펌프를 제어장치에 관한 것으로서, 구체적으로는 역셜피스톤 펌프의 경전량을 변화시킬 수 있는 가변용량형 유압펌프의 제어장치에 있어서, 서보피스톤과 이 서보피스톤과 피드백 앵글레버로 연결되어 있는 서브밸브 및 압력검출용 피스톤을 가지고 있고, 서보 피스톤의 소경측은 직접 토출압에 의해 부하되어져 있고 대경측은 서보 밸브 기구의 절환에 따라 토출압에 의해 부하되어지는 형식의 펑프 제어장치에 관한 것이다.

Description

가변용량형 유압펌프의 제어장치
제1도는 본 발명의 일실시예를 나타낸 종단면도, 제2도는 본 발명인 앵글레버의 작용상태도, 제3도는 본 발명의 원리를 나타낸 개략도.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 서보피스톤(4)의 대경실(26)로 통하는 유로(27)를 개폐하는 서보스플(10)과 상기 서보스플(10)을 내장하며 습동이 자유로운 슬리브(11)와 상기 슬리브(11)의 외측 일단에 고정되어 서보피스톤(4)의 이동에 따라 변위되는 앵글레버(15)와 상기 서보 피스톤(4)의 이동에 따라 좌우로 이동되는 사판(7)으로 구성된 가변용량형 유압펌프의 경전량을 변화시키는 제어장치에 있어서, 펌프의 토출압(Pd)에 대응하여 변위하는 마력제어용 가압피스톤(8)과 외부 지령압(Pt)에 대응하여 변위하는 유량제어용 가압피스톤(9)이 동일축상에 형성되어 마력제어용 토출압과 유량제어용 지령압의 합에 의해 1조의 대향 스프링(13a, 13b)가 변위되도록 구성된 것을 특징으로 하는 가변용량형 유압 펌프의 제어장치.
  2. 제1항에 있어서, 가압피스톤(8, 9)의 일정변위에 대응하여 서보 피스톤(4)의 변위가 쌍곡선 형상으로 변화도록 앵글레버(15)의 하부에 경사부가 형성된 것을 특징으로 하는 가변용량형 유압 펌프의 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910021878A 1991-11-30 1991-11-30 가변용량형 유압펌프의 제어장치 KR950007252B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019910021878A KR950007252B1 (ko) 1991-11-30 1991-11-30 가변용량형 유압펌프의 제어장치
US07/980,269 US5297941A (en) 1991-11-30 1992-11-23 Control systems for hydraulic pumps of the variable displacement type
DE69206113T DE69206113T2 (de) 1991-11-30 1992-11-25 Regelungssystem für Flüssigkeitspumpen mit veränderlichem Hub.
EP92120028A EP0549883B1 (en) 1991-11-30 1992-11-25 Control system for hydraulic pumps of the variable displacement type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910021878A KR950007252B1 (ko) 1991-11-30 1991-11-30 가변용량형 유압펌프의 제어장치

Publications (2)

Publication Number Publication Date
KR930010389A true KR930010389A (ko) 1993-06-22
KR950007252B1 KR950007252B1 (ko) 1995-07-07

Family

ID=19323954

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910021878A KR950007252B1 (ko) 1991-11-30 1991-11-30 가변용량형 유압펌프의 제어장치

Country Status (4)

Country Link
US (1) US5297941A (ko)
EP (1) EP0549883B1 (ko)
KR (1) KR950007252B1 (ko)
DE (1) DE69206113T2 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950013009B1 (ko) * 1993-02-11 1995-10-24 대우중공업주식회사 가변용량형 유압피스톤 펌프의 유량제어장치
US5515829A (en) * 1994-05-20 1996-05-14 Caterpillar Inc. Variable-displacement actuating fluid pump for a HEUI fuel system
US5486097A (en) * 1995-01-26 1996-01-23 Denison Hydraulics Inc. Control for a variable displacement axial piston pump
JP3672046B2 (ja) * 1995-04-12 2005-07-13 株式会社小松製作所 斜板ポンプ・モータの斜板制御装置
US5567123A (en) * 1995-09-12 1996-10-22 Caterpillar Inc. Pump displacement control for a variable displacement pump
GB2311385B (en) * 1996-03-23 2000-07-19 Trinova Ltd A fluid power control circuit
US6371733B1 (en) 1997-04-11 2002-04-16 Accuspray, Inc. Pump with hydraulic load sensor and controller
US6468046B1 (en) * 2000-09-18 2002-10-22 Caterpillar Inc Apparatus and method for controlling a discharge pressure of a variable displacement hydraulic pump
US6848254B2 (en) * 2003-06-30 2005-02-01 Caterpillar Inc. Method and apparatus for controlling a hydraulic motor
EP2174010A1 (de) * 2007-08-07 2010-04-14 Robert Bosch GmbH Hydrostatische maschine mit stellvorrichtung mit rückführelement zur ansteuerung eines regelventils
CN102959243B (zh) * 2010-07-08 2015-12-09 罗伯特·博世有限公司 液压轴向活塞机器
CN102865207B (zh) * 2012-08-01 2016-08-03 安徽博一流体传动股份有限公司 轴向斜盘式液压柱塞泵
JP5918688B2 (ja) * 2012-12-11 2016-05-18 川崎重工業株式会社 可変容量型ポンプ用レギュレータ
JP6111116B2 (ja) * 2013-03-28 2017-04-05 Ｋｙｂ株式会社 ポンプ容積制御装置
DE102016226039B3 (de) * 2016-12-22 2018-02-08 Danfoss Power Solutions Gmbh & Co. Ohg Verdrängungssteueranordnung für eine axialkolbenpumpe
CN106593837B (zh) 2017-02-10 2018-11-02 江苏恒立液压科技有限公司 液压柱塞泵变量控制结构及其控制方法
JP6912907B2 (ja) 2017-03-13 2021-08-04 Ｋｙｂ株式会社 サーボレギュレータ
JP6913527B2 (ja) * 2017-06-22 2021-08-04 株式会社小松製作所 油圧ポンプおよびモータ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1906983A1 (de) * 1969-02-07 1970-09-17 Bellows Valvair Kaemper Gmbh Vorrichtung zum Konstanthalten des Produktes aus Druck und Hubvolumen bei Verdraengerpumpen
DD98340A1 (ko) * 1972-07-11 1973-06-12
GB1523588A (en) * 1974-11-18 1978-09-06 Massey Ferguson Services Nv Control systems for variable capacity hydraulic machines
DE2516765C3 (de) * 1975-04-16 1985-12-05 Mannesmann Rexroth GmbH, 8770 Lohr Regelventil für eine Flügelzellenpumpe
US4600364A (en) * 1983-06-20 1986-07-15 Kabushiki Kaisha Komatsu Seisakusho Fluid operated pump displacement control system
JPS60261988A (ja) * 1984-06-08 1985-12-25 Kayaba Ind Co Ltd 可変容量型ポンプ用定出力レギユレ−タ
DE3840549A1 (de) * 1988-12-01 1990-06-07 Rexroth Mannesmann Gmbh Vorrichtung zum ansteuern einer verstellpumpe

Also Published As

Publication number Publication date
US5297941A (en) 1994-03-29
KR950007252B1 (ko) 1995-07-07
EP0549883A1 (en) 1993-07-07
DE69206113D1 (de) 1995-12-21
DE69206113T2 (de) 1996-05-15
EP0549883B1 (en) 1995-11-15

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