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KR940015299A - 자동변속기의 유압제어장치 - Google Patents

자동변속기의 유압제어장치 Download PDF

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Publication number
KR940015299A
KR940015299A KR1019930029884A KR930029884A KR940015299A KR 940015299 A KR940015299 A KR 940015299A KR 1019930029884 A KR1019930029884 A KR 1019930029884A KR 930029884 A KR930029884 A KR 930029884A KR 940015299 A KR940015299 A KR 940015299A
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KR
South Korea
Prior art keywords
hydraulic
pressure
friction element
valve
supply
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KR1019930029884A
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KR960015251B1 (ko
Inventor
세이치 이누카이
켄지로 후지다
아키히로 콘도
카츠토시 우스키
Original Assignee
나까무라 유이찌
미쯔비시지도오샤고오교오 가부시기가이샤
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Publication of KR940015299A publication Critical patent/KR940015299A/ko
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Publication of KR960015251B1 publication Critical patent/KR960015251B1/ko
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Classifications

    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4035—Control of circuit flow
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
    • F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)

Abstract

본 발명은, 기구부품을 간략화할 수 있는 자동변속기의 유압제어장치를 제공하는 것을 목적으로 하는 것으로서, 그 구성에 있어서 저속쪽의 변속단을 달성하는 제1유압 마찰요소와, 동저속쪽의 변속단보다도 고속의 변속단을 달성하는 제2유압마찰요소와, 동고속쪽의 변속단보다도 더욱 고속의 변속단을 달성하는 제3유압마찰요소를 포함한 복수의 유압마찰요소를 구비한 차량용자동변속기와, 오일펌프로 부터 토출되는 오일을 소정유압으로 조압하는 동시에, 파일럿압의 공급에 따라서 상기 소정유압을 감압조정하는 조압밸브와, 동조압밸브로 부터의 유압을 소망의 유압으로 제어하는 제어밸브를 가진, 상기 복수의 마찰욧소에의 공급유압을 제어하는 유압제어장치를 구비한 차량용자동변속기의 유압제어장치에 있어서, 상기 유압제어장치는 또, 상기 제어밸브를 상기 제1유압마찰요소 또는 제3유압마찰요소의 어느 하나에 절환연통시키는 동시에, 상기 파일럿압을 상기 조압밸브에 대해서 급배시키는 절환밸브를 가지고, 동절환밸브는 상기 제2유압마찰요소에 공급되는 유압에 의해 절환작동되고, 이 공급유압이 소정치미만일때 상기 제어밸브와 제1유압마찰요소를 연통시티는 동시에 상기 조압밸브에의 상기 파일럿압의 공급을 차단하는 제1위치를 취하고, 상기 제2유압마찰요소에의 공급유압이 소정치이상 일때 상기 제어밸브와 상기 제3유압마찰요소를 연통시키는 동시에 상기 조압밸브에 상기 파일럿압을 공급하는 제2위치를 취하도록 구성되어 있는 것을 특징으로 하는 것이다.

Description

자동변속기의 유압제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 의한 자동변속기의 유압제어장치를 전진 5단 후진 1단의 자동변속기에 응용한 일실시예의 구동계의개념을 표시한 스켈톤도, 제 2 도는 그 마찰계합요소의 걸어맞춤상태와 변속단과의 관계를 각각 나타내는 작동요소도, 제 3 도는 제 4 도와 함께 본 실시예에 있어서의 유압제어회로의 주요부의 개략구조를 표시한 유압회로도, 제 4 도는 제 3 도와 함께 본 실시예에 있어서의 유압제어회로의 주요부의 개략구조를 표시한 유압회로도.

Claims (3)

  1. 저속쪽의 변속단을 달성하는 제 1 유압마찰요소와, 동저속쪽의 변속단보다도 고속의 변속단을 달성하는제2 유압마찰요소와, 동고속쪽의 변속단보다도 더욱 고속의 변속단을 달성하는 제 3 유압마찰요소를 포함한 복수의 유압마찰요소를 구비한 차량용자동변속기와, 오일펌프로부터 토출되는 오일을 소정유압으로 조압하는 동시에, 파일럿압의 공급에 따라서 상기 소정유압을 감압조정하는 조압밸브와, 종조압밸브로부터의 유압을 소망의 유압으로 제어하는 제어밸브를가진, 상기 복수의 마찰요소에의 공급유압을 제어하는 유압제어장치를 구비한 차량용자동변속의 유압제어장치에 있어서,상기 유압제어장치는 또, 상기 제어밸브를 상기 제 1 유압마찰요소 또는 제 3 유압마찰요소의 어느하나에 절환연통시키는동시에, 상기 파일럿압을 상기 조압밸브에 대해서 급배시키는 절환밸브를 가지고 동절환밸브는 상기 제 2 유압마찰요소에공급되는 유압에 의해 절환작동되고, 이 공급유압이 소정치미만일때 상기 제어밸브와 제 1 유압마찰요소를 연통시키는 동시에 상기 조압밸브에의 상기 파일럿압의 공급을 차단하는 제 1 위치를 취하고, 상기 제 2 유압마찰요소에의 공급유압이소정치이상일때 상기 제어밸브와 상기 제 3 유압마찰요소를 연통시키는 동시에 상기 조압밸브에 상기 파일럿압을 공급하는 제 2 위치를 취하도록 구성되어 있는 것을 특징으로 하는 자동변속기의 유압제어장치.
  2. 제 1 항에 있어서, 상기 파일럿압은 상기 제 2 유압마찰요소에의 공급유압인 것을 특징으로 하는 자동변속기의 유압제어장치.
  3. 제 2 항에 있어서, 상기 유압제어장치는 또, 상기 조압밸브와 상기 제 2 유압마찰요소를 연통하는 유로에개장되고, 상기 제 2 유압마찰요소에의 공급유압을 제어하는 유압제어밸브를 구비하고 있는 것을 특징으로 하는 자동변속기의 유압제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930029884A 1992-12-28 1993-12-27 자동변속기의 유압제어장치 Expired - Fee Related KR960015251B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-347662 1992-12-28
JP4347662A JP2748298B2 (ja) 1992-12-28 1992-12-28 自動変速機の油圧制御装置

Publications (2)

Publication Number Publication Date
KR940015299A true KR940015299A (ko) 1994-07-20
KR960015251B1 KR960015251B1 (ko) 1996-11-04

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US (1) US5441459A (ko)
JP (1) JP2748298B2 (ko)
KR (1) KR960015251B1 (ko)
DE (1) DE4344660C2 (ko)

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JPH06241466A (ja) * 1993-02-19 1994-08-30 Sharp Corp 電子レンジ

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JPH06201026A (ja) 1994-07-19
JP2748298B2 (ja) 1998-05-06
DE4344660C2 (de) 1996-07-18
US5441459A (en) 1995-08-15
KR960015251B1 (ko) 1996-11-04
DE4344660A1 (de) 1994-07-14

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