KR880006471A - 유체압 피스톤 발동기 - Google Patents

유체압 피스톤 발동기 Download PDF

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Publication number
KR880006471A
KR880006471A KR870012895A KR870012895A KR880006471A KR 880006471 A KR880006471 A KR 880006471A KR 870012895 A KR870012895 A KR 870012895A KR 870012895 A KR870012895 A KR 870012895A KR 880006471 A KR880006471 A KR 880006471A
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KR
South Korea
Prior art keywords
pressure
chamber
pilot
valve
back pressure
Prior art date
Application number
KR870012895A
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English (en)
Other versions
KR950002979B1 (ko
Inventor
게이다로우 요네자와
Original Assignee
게이다로우 요네자와
가부시기가이샤 고스멕구
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.)
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Application filed by 게이다로우 요네자와, 가부시기가이샤 고스멕구 filed Critical 게이다로우 요네자와
Publication of KR880006471A publication Critical patent/KR880006471A/ko
Application granted granted Critical
Publication of KR950002979B1 publication Critical patent/KR950002979B1/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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/103—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber
    • F04B9/107—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Driven Valves (AREA)
  • Non-Flushing Toilets (AREA)
  • Compressor (AREA)

Abstract

내용 없음

Description

유체압 피스톤 발동기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도에서 제3도는 본 발명의 실시예를 표시하고,
제1도는 작동설명도.
제2도는 본 발명의 발동기를 적용한 브우스터펌프(booster pump)장치의 종단면도.
제3도는 급배변체를 바꿀때의 압력을 받는 면적을 표시한 도면.
제4도는 본 발명의 전체구조를 표시한 도식적으로 정리, 배열한 도면.

Claims (1)

  1. 기통(7)에 피스톤(8)을 자유롭게 미끄러져 움직이게 삽입하고, 기통(7)의 상벽(7a)과 피스톤(8)과의 사이에 작동실(9)을 형성하여, 피스톤(8)을 작동실(9)의 유체압으로 하사점측에 구동하는 동시에, 복귀스프링(11)으로 상사점측에 복귀되도록 구성하여 작동실(9)을 유체압급배변(13)을 끼고 급압구(14)와 배압구(15)에 접속이 바뀌게 될 수 있게 구성해서, 유체압급배변(13)을 파일럿변(18)에서 유체압의 급압위치(X)와 배압위치(Y)에 조작을 바꿀 수 있도록 구성하고, 유체압급배변(13)은 기통(7)의 상측에서 급배변체(30)가 급배변상(29) 안에서 상하로 작동이 바뀌도로 구성하며, 급배변상(29) 안에서 급배변체(30)의 외주부에 작업측변실(32)을 한쪽끝면측으로 유체압의 급압측변실(33)을 다른끝면측으로 배압측변실(34) 및 파일럿작동실(35)을 각각형성하여, 작업측변실(32)을 작동실(9)로 급압측변실(33)을 급압구(14)로, 배압측변실(34)을 배압구(15)에 각각 연이어 통하는 동시에, 파일럿작동실(35)을 파일럿변(18)의 봉하여 막는 링제배압조작용변체(48)를 끼고 급압구(14)로 연이어 통하여, 파일럿작동실(35)의 단면적을 급압측변실(33)의 단면적보다도 크게 형성해서, 파일럿변(18)은 급배변체(30)의 중앙의 통공면(30d) 안으로 관통하는 세로로 향한 파일럿변실(45) 안을 스프울형 파일럿변체(46)가 상하로 작동이 바뀌게되도록 구성해서 파일럿변체(46)를 피스톤(8)에 연접하여 파일럿변체(46)는 하사점 근처에 있는 상태에서는 배압조작용변체(48)를 열고서 파일럿작동실(35)을 급압구(14)로 연이어 통하는데 대해서, 상사점 근처에 있는 상태에서는 급압조작용 변체(53)를 열고 파일럿작동실(35)을 압발구(51)에 연이어 통하게 되도록 구성한 유체압 피스톤 발동기에 있어서, 급배변체(30)의 하측에 급압측변실(33)을 상측에 배압측변실(34) 및 파일럿작동실(35)을 배치하고, 급배변체(30)의 급압측변실(33)로 향하는 급압측변면(30a)의 급압측변면경(A)을 배압측변실(34)로 향하는 배압측변면(30b)의 배압측변면경(B) 보다도 소경으로 형성하여, 급압측변면(30a)이 닫힌 상태에서의 급압측개변개시때의 수압면적(D)을 배압측변면(30b)이 닫힌상태에서의 급압측개변 종료때의 수압면적(E) 보다도 작은면적으로 형성해서 급배변체(30)의 파일럿작동실(35)로 향하는 파일럿수압면(30C)의 파일럿수압면적(F)을 급압측 개변종료때의 수압면적(E) 보다도 큰면적으로 형성하고, 봉하여 막는 링제의 배압조작용 변체(48)의 내주면(48a)을 파일럿변체(46)로, 외주면(48b)을 급배변체(30)의 통공면(30d)으로 자유롭게 미끄러져 움직이게 봉하여 막아서 접촉시키는 동시에, 그 상면(48c)을 수구(49)의 하면으로 받아내게하여 수구(49)의 상부를 급배변상(29)에 고정시킨 것을 특징으로 하는 유체압 피스톤 발동기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870012895A 1986-11-17 1987-11-16 유체압 피스톤 발동기 KR950002979B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61274836A JPS63130904A (ja) 1986-11-17 1986-11-17 流体圧ピストン発動機
JP86-274836 1986-11-17

Publications (2)

Publication Number Publication Date
KR880006471A true KR880006471A (ko) 1988-07-23
KR950002979B1 KR950002979B1 (ko) 1995-03-29

Family

ID=17547261

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012895A KR950002979B1 (ko) 1986-11-17 1987-11-16 유체압 피스톤 발동기

Country Status (5)

Country Link
US (1) US4812109A (ko)
EP (1) EP0268458B1 (ko)
JP (1) JPS63130904A (ko)
KR (1) KR950002979B1 (ko)
DE (1) DE3776285D1 (ko)

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* Cited by examiner, † Cited by third party
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SE467165B (sv) * 1988-10-28 1992-06-01 Nike Ab Tryckluft driven pumpanordning
JPH0749041Y2 (ja) * 1989-04-03 1995-11-13 相生精機株式会社 流体圧駆動連続作動型往復動アクチュエータ
NO170236C (no) * 1989-04-06 1992-09-23 Speeder As Lineaermotor
JP2852953B2 (ja) * 1990-01-31 1999-02-03 株式会社コスメック 流体圧ピストン発動機
US5252042A (en) * 1991-08-09 1993-10-12 Kabushiki Kaisha Kosmek Gas booster assembly for fluid pressure piston driving apparatus
JP2946005B2 (ja) * 1991-08-09 1999-09-06 株式会社コスメック ガス増圧器
US5244361A (en) * 1992-04-22 1993-09-14 Product Research And Development Pump for reverse osmosis system
US5380428A (en) * 1992-04-22 1995-01-10 Product Research & Development Pump for reverse osmosis system
JP3437622B2 (ja) * 1994-02-01 2003-08-18 株式会社コスメック 流体圧ピストン発動機
JP3667870B2 (ja) * 1996-04-16 2005-07-06 株式会社コスメック 流体圧シリンダ装置
US6729860B1 (en) * 2000-01-24 2004-05-04 Daniel A. Holt Pneumatically driven liquified gas booster pump
EP1488081A4 (en) * 2002-03-28 2008-07-09 Cogen Microsystems Pty Ltd ALTERNATIVE MOTOR AND INJECTION SYSTEM THEREFOR
DE102007043313A1 (de) 2007-09-12 2009-03-19 Continental Aktiengesellschaft Membrankompressor
JP5969318B2 (ja) * 2012-08-28 2016-08-17 パスカルエンジニアリング株式会社 加圧エア駆動式ピストン往復動型油圧ポンプ
TWI560133B (en) * 2013-08-16 2016-12-01 Cosda Manu Facturing Company Device for changing brake fluid
RO135554A2 (ro) * 2020-09-16 2022-03-30 Institutul Naţional De Cercetare-Dezvoltare Pentru Optoelectronică - Inoe 2000 Ihp - Filiala Institutul De Cercetări Dispozitiv autonom de pompare pentru fertirigaţie

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Also Published As

Publication number Publication date
JPS63130904A (ja) 1988-06-03
DE3776285D1 (de) 1992-03-05
EP0268458A3 (en) 1989-12-13
EP0268458B1 (en) 1992-01-22
KR950002979B1 (ko) 1995-03-29
EP0268458A2 (en) 1988-05-25
US4812109A (en) 1989-03-14
JPH0570722B2 (ko) 1993-10-05

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