JPS5840537U

JPS5840537U - Internal combustion engine idle up device

Info

Publication number: JPS5840537U
Application number: JP13602081U
Authority: JP
Inventors: 平田　「峰」生; 修松本
Original assignee: 三菱電機株式会社
Priority date: 1981-09-11
Filing date: 1981-09-11
Publication date: 1983-03-17

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の内燃機関のアイドルアップ装置の概略の
構成を示す説明図、第２図はこの考案の一実施例による
アイドルアップ装置の概略の構成を示す説明図、第３図
は本考案の一実施例による第１および第２の電磁弁の動
作状態に対する流量制御弁のダイアフラム室の圧力の関
係を表わす特性図、第４図は本考案の一実施例によぬ流
量制御弁のダイアフラム室の圧力に対するバイパスエア
ー流量の関係を表わす特性図、第５図は本考案の他の実
施例による流量制御弁のダイアフラム室の圧力に対する
バイパスエアー流量の関係を表わす特性図である。図において、１・・・・・・内燃機関、６・・・・・・
スロットルバルブ、７・・・・・・バイパス通路、２９
・・・、流量制御弁、′３３・・・・・・ダイアフラム
室、３５・・・・・・第１の電磁弁、４２・・・・・・
第２の電磁弁、４９・・・・・・第１の絞り、５２・・
・・・・第２の絞り、５５・・・・・・制御装置。なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is an explanatory diagram showing the general configuration of a conventional idle-up device for an internal combustion engine, FIG. 2 is an explanatory diagram showing the general configuration of an idle-up device according to an embodiment of the invention, and FIG. 3 is an explanatory diagram showing the general configuration of an idle-up device according to an embodiment of the invention. A characteristic diagram showing the relationship between the pressure in the diaphragm chamber of the flow control valve and the operating state of the first and second electromagnetic valves according to one embodiment, and FIG. A characteristic diagram showing the relationship between the bypass air flow rate and the pressure in the chamber. FIG. 5 is a characteristic diagram showing the relationship between the bypass air flow rate and the pressure in the diaphragm chamber of a flow control valve according to another embodiment of the present invention. In the figure, 1... Internal combustion engine, 6...
Throttle valve, 7...Bypass passage, 29
..., flow control valve, '33...diaphragm chamber, 35...first solenoid valve, 42...
Second solenoid valve, 49...First throttle, 52...
...Second aperture, 55...Control device. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A bypass passage that communicates above and downstream of the throttle valve and can supply bypass air, a flow control valve that has a pressure chamber and controls the amount of bypass air according to the fluid pressure acting on the pressure chamber, and the pressure of the control valve. first and second solenoid valves that control the pressure supplied to the chamber, and first and second solenoid valves that are provided in a path that supplies pressure from the first and second solenoid valves to the pressure chamber and have different throttling amounts, respectively. the flow rate control valve is controlled by operating one or both of the first and second electromagnetic valves in response to the operation of an auxiliary device of the internal combustion engine; An idle-up device for an internal combustion engine, characterized by controlling air flow rate.