JPS58146065U

JPS58146065U - Internal combustion engine restart device

Info

Publication number: JPS58146065U
Application number: JP4383982U
Authority: JP
Inventors: 林　力
Original assignee: トヨタ自動車株式会社
Priority date: 1982-03-26
Filing date: 1982-03-26
Publication date: 1983-10-01

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 the drawing]

第１図は本考案に係わる再始動装置の一実施例が配設さ
れた内燃機関の管路図、第２図は再始動時間を示す図で
ある。１・・・ＥＧＲ弁、１ｄ・・・ダイヤフラム室、２・・
・排気管、３・・・吸気管、５・・・制御負圧通路、６
・・・調圧弁、７・・・負圧切換弁、８・・・スタータ
リレー、９・・・温度感知弁、１０・・・負圧管路、１
１・・・チェックバルブ。FIG. 1 is a pipe diagram of an internal combustion engine equipped with an embodiment of the restart device according to the present invention, and FIG. 2 is a diagram showing the restart time. 1... EGR valve, 1d... diaphragm chamber, 2...
・Exhaust pipe, 3... Intake pipe, 5... Control negative pressure passage, 6
... Pressure regulating valve, 7 ... Negative pressure switching valve, 8 ... Starter relay, 9 ... Temperature sensing valve, 10 ... Negative pressure pipe, 1
1...Check valve.

Claims

[Scope of utility model registration request]

(1) Depending on the controlled negative pressure introduced into the diaphragm chamber,
The exhaust gas recirculation amount control valve controls the amount of exhaust gas recirculated from the exhaust system to the intake system, and the negative intake pressure generated at the load detection port formed just above the fully closed position of the throttle valve in the intake passage. A pressure regulating valve that forms the control negative pressure by mixing atmospheric air, and a negative pressure switching valve disposed in the middle of a negative pressure pipe connecting the pressure regulating valve and the diaphragm chamber of the exhaust gas recirculation amount control valve. The internal combustion engine is characterized in that the negative pressure switching valve is configured to switch when the engine is restarted at high temperature immediately after stopping, and to introduce negative pressure in the intake pipe into the diaphragm chamber of the exhaust gas recirculation amount control valve. Engine restart device.

(2) The restart device for an internal combustion engine according to claim (1), wherein the switching of the negative pressure switching valve is performed by ON/OFF signals of a starter relay and a temperature sensing valve.

(3) A utility model registration in which a check valve is installed in the middle of the negative pressure line connecting the negative pressure switching valve and the intake pipe, which opens only when negative pressure moves from the intake pipe side to the negative pressure switching valve side. An internal combustion engine restart device according to claim (1).