JPH0384468U - - Google Patents

Info

Publication number
JPH0384468U
JPH0384468U JP14681189U JP14681189U JPH0384468U JP H0384468 U JPH0384468 U JP H0384468U JP 14681189 U JP14681189 U JP 14681189U JP 14681189 U JP14681189 U JP 14681189U JP H0384468 U JPH0384468 U JP H0384468U
Authority
JP
Japan
Prior art keywords
frequency
engine
hydraulic actuator
rotation speed
detection means
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.)
Pending
Application number
JP14681189U
Other languages
English (en)
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 filed Critical
Priority to JP14681189U priority Critical patent/JPH0384468U/ja
Publication of JPH0384468U publication Critical patent/JPH0384468U/ja
Pending legal-status Critical Current

Links

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
    • F16H61/66—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 specially adapted for continuously variable gearings
    • F16H2061/6604—Special control features generally applicable to continuously variable gearings
    • F16H2061/6608—Control of clutches, or brakes for forward-reverse shift

Landscapes

  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第１図は無段変
速機の具体的構成図、第２図は油圧制御回路図、
第３図はデユーテイソレノイドバルブの構成図、
第４図は電気制御系統を示すブロツク図、第５図
は駆動周波数の変更をするためのフローチヤート
図である。 ４１……プライマリプーリ（油圧アクチユエー
タ）、４１４……油圧シリンダ、４２……セカン
ダリプーリ（油圧アクチユエータ）、４２４……
油圧シリンダ、９１……第１デユーテイソレノイ
ドバルブ（デユーテイ電磁弁）、９１ｂ……プラ
ンジヤ、９２……第２デユーテイソレノイドバル
ブ（デユーテイ電磁弁）、１１５……エンジン回
転数センサ（回転数検出手段）、１５０……周波
数制御手段。

Claims (1)

    【実用新案登録請求の範囲】
  1. 油圧アクチユエータと、該油圧アクチユエータ
    の動作を制御するために作動流体の圧力をプラン
    ジヤの往復動作により制御するデユーテイ電磁弁
    とを備えた油圧作動式変速機において、エンジン
    回転数を検出する回転数検出手段と、該回転数検
    出手段により検出したエンジン回転数が設定値未
    満のエンジン音が低いとき上記デユーテイ電磁弁
    の駆動周波数を、プランジヤの動作が該駆動周波
    数に対応して追随しなくなる周波数以上の駆動周
    波数に高める周波数制御手段とを備えたことを特
    徴とする油圧作動式変速機の制御装置。
JP14681189U 1989-12-19 1989-12-19 Pending JPH0384468U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14681189U JPH0384468U (ja) 1989-12-19 1989-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14681189U JPH0384468U (ja) 1989-12-19 1989-12-19

Publications (1)

Publication Number Publication Date
JPH0384468U true JPH0384468U (ja) 1991-08-27

Family

ID=31693355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14681189U Pending JPH0384468U (ja) 1989-12-19 1989-12-19

Country Status (1)

Country Link
JP (1) JPH0384468U (ja)

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