JPS59116549U

JPS59116549U - Idle speed control device

Info

Publication number: JPS59116549U
Application number: JP1057383U
Authority: JP
Inventors: 大橋　通宏; 清晴中川
Original assignee: トヨタ自動車株式会社
Priority date: 1983-01-27
Filing date: 1983-01-27
Publication date: 1984-08-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のアイドル回転数制御装置の一例を示す構
成図、第２図は本考案のアイドル回転数制御装置の一例
を示す縦断面図、第３図はその■−■線断面図、第４図
はＩＶ−ＩＶ線からストッパを見た拡大図、第５図はコ
イルとマグネットの作動を説明する概略図、第６図はコ
イル電流と弁体回転角との関係を示すグラフ、第７図は
バイメタル温度とバイメタル回転角度との関係を示すグ
ラフ、第８図はバイメタル温度と弁体開度との関係を示
すグラフ、第９図はエンジン水温と目標アイドル回転数
との関係を示すグラフ、第１０図は車両走行時、暖機時
におけるエンジン水温とバイメタル温度の変化を示す図
、第１１図はエンジン停止後のエンジン水温とバイメタ
ル温度の下降特性を示す図、第１２図は本考案のアイド
ル回転数制御装置を搭載したエンジンの一部分を示す構
成図であ　　゛る。５８′・・・回転型ソレノイド、７４・・・感温規制手
段、８２・・・バイメタル、８８・・・冷却媒体室。バ１メＪＪＬ／眉−Ｌ（−Ｃ）　　　　　　　　　　　
　−３０ノ＼（FIG. 1 is a configuration diagram showing an example of a conventional idle speed control device, FIG. 2 is a longitudinal cross-sectional view showing an example of the idle speed control device of the present invention, and FIG. 3 is a cross-sectional view along the line ■-■. Fig. 4 is an enlarged view of the stopper viewed from line IV-IV, Fig. 5 is a schematic diagram explaining the operation of the coil and magnet, Fig. 6 is a graph showing the relationship between coil current and valve body rotation angle, and Fig. 6 is a graph showing the relationship between coil current and valve body rotation angle. Figure 7 is a graph showing the relationship between bimetal temperature and bimetal rotation angle, Figure 8 is a graph showing the relationship between bimetal temperature and valve opening, and Figure 9 is a graph showing the relationship between engine water temperature and target idle speed. Graphs, Figure 10 is a diagram showing changes in engine water temperature and bimetal temperature when the vehicle is running and warmed up, Figure 11 is a diagram showing the decreasing characteristics of engine water temperature and bimetal temperature after the engine is stopped, and Figure 12 is a graph showing the change in engine water temperature and bimetal temperature when the vehicle is running and warmed up. 1 is a configuration diagram showing a portion of an engine equipped with the invented idle speed control device. 58'...Rotary solenoid, 74...Temperature-sensitive regulation means, 82...Bimetal, 88...Cooling medium chamber. Ba1me JJL/Eyebrow-L(-C)
-30ノ＼(

Claims

[Scope of utility model registration request]

A valve body that controls the amount of air passing through the bypass intake passage that connects the upstream and downstream sides of the intake throttle valve, and a rotation that drives the valve body so that a target idle speed corresponding to the engine operating state is obtained. type electromagnetic drive device, and a temperature-sensing section that operates according to the ambient temperature and engine warm-up state, and the actuation amount of the valve body by the rotary electromagnetic drive device is set to a predetermined amount according to the amount of operation of the temperature-sensing section. a temperature-sensing regulating means for regulating within a region of the engine; a cooling medium chamber provided across a wall forming a chamber in which the temperature-sensing section is housed, into which a cooling medium for cooling a predetermined part of the engine is guided; An idle rotation speed control device comprising a heat transfer fin interposed between an outer circumferential surface of a temperature sensing portion and an inner surface of the wall.