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KR900002969A - 감쇄력이 조정 가능한 유압 완충기 - Google Patents

감쇄력이 조정 가능한 유압 완충기 Download PDF

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Publication number
KR900002969A
KR900002969A KR1019890011425A KR890011425A KR900002969A KR 900002969 A KR900002969 A KR 900002969A KR 1019890011425 A KR1019890011425 A KR 1019890011425A KR 890011425 A KR890011425 A KR 890011425A KR 900002969 A KR900002969 A KR 900002969A
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KR
South Korea
Prior art keywords
passage
back pressure
communication
pressure chamber
damping force
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR1019890011425A
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English (en)
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KR910008159B1 (ko
Inventor
도미오 이마이즈미
Original Assignee
가와이 다까시
도끼꼬 가부시끼 가이샤
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Application filed by 가와이 다까시, 도끼꼬 가부시끼 가이샤 filed Critical 가와이 다까시
Publication of KR900002969A publication Critical patent/KR900002969A/ko
Application granted granted Critical
Publication of KR910008159B1 publication Critical patent/KR910008159B1/ko
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/464—Control of valve bias or pre-stress, e.g. electromagnetically
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

내용 없음

Description

감쇄력이 조정 가능한 유압 완충기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 감쇄력이 조정 가능한 유압 완충기의 주요 부분의 종단면도.
제2A도 내지 제2D도는 제1도에 도시된 유압 완충기가 하드 모드(hard mode)로 세트되었을 때의 피스톤과 셔터의 여러 횡단면을 도시한 도면으로, 제2A도는 제1도의 선(Ⅱa-Ⅱa)에 의한 단면도, 제2B도는 제1도의 (Ⅱb-Ⅱb)에 의한 단면도, 제2C도는 제1도의 선(Ⅱc-Ⅱc)에 의한 단면도, 제2D도는 제1도의 선(Ⅱd-Ⅱd)에 의한 단면도,
제3도는 제1도에 도시된 유압 완충기가 소프드 모드(soft mode)로 세트되었을 때의 피스톤 로드와 서텨의 부분 종단면도.

Claims (4)

  1. 피스톤 로드의 한 단부에 부착되고 실린더안에 미끄럼 가능하게 끼워진 동시에 실린더의 내부를 두 실린더실로 분할시키는 피스톤과, 두 실린더실의 각각과 연통된 피스톤안에 마련된 통로와, 감쇄력을 발생시키도록 통로의 하류측에 마련된 감쇄력 발생 밸브와, 밸브에 압력을 가하도록 피스톤으로부터 먼쪽의 감쇄력 발생 밸브의 측면에 형성된 배압실과, 통로의 상류측에 마련된 상류 실린더실과 배압실 사이의 연통을 마련하도록 피스톤로드안에 형성된 바이패스 통로와, 상류 실린더실과 배압실 사이의 연통 상태를 조절하여 배압실안의 압력 크기를 조정하도록 외부에서 작동되는 셔터를 포함하는 감쇄력이 조정 가능한 유압 완충기.
  2. 제1항에 있어서, 상기 배압실이 위치하는 실린더실과 배압실 사이의 연통을 마련하는 제2통로와, 정상 상태에서는 제2통로를 밀폐시키고 배압실 내부의 압력이 설정치에 도달할 때는 제2통로를 개방하는 밸브 수단을 포함하는 것을 특징으로 하는 감쇄력이 조정 가능한 유압 완충기.
  3. 제1항 또는 제2항에 있어서, 상기 셔터와 한 위치에서는 바이패스 통로를 통해 상류 실리더실과 배압실 사이의 연통을 마련하고 다른 위치에서는 연통을 차단하는 것을 특징으로 하는 감쇄력이 조정 가능한 유압 완충기.
  4. 제3항에 있어서, 셔터가 바이패스 통로를 통한 연통을 차단할 때 오리피스 보어를 통해 상기 두 실린더실 사이의 연통을 제공하는 제2바이패스 통로를 포함하는 것을 특징으로 하는 감쇄력이 조정 가능한 유압 완충기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890011425A 1988-08-12 1989-08-11 감쇄력이 조정 가능한 유압 완충기 Expired KR910008159B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63201313A JPH0251637A (ja) 1988-08-12 1988-08-12 減衰力調整式油圧緩衝器
JP201313 1988-08-12
JP63-201313 1988-08-12

Publications (2)

Publication Number Publication Date
KR900002969A true KR900002969A (ko) 1990-03-23
KR910008159B1 KR910008159B1 (ko) 1991-10-10

Family

ID=16438940

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890011425A Expired KR910008159B1 (ko) 1988-08-12 1989-08-11 감쇄력이 조정 가능한 유압 완충기

Country Status (5)

Country Link
US (1) US4953671A (ko)
JP (1) JPH0251637A (ko)
KR (1) KR910008159B1 (ko)
BR (1) BR8904059A (ko)
GB (1) GB2222227B (ko)

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Publication number Publication date
JPH0251637A (ja) 1990-02-21
BR8904059A (pt) 1990-03-27
GB2222227A (en) 1990-02-28
KR910008159B1 (ko) 1991-10-10
GB8917673D0 (en) 1989-09-20
GB2222227B (en) 1992-04-08
US4953671A (en) 1990-09-04

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