JPS61194720U

JPS61194720U -

Info

Publication number: JPS61194720U
Application number: JP7863385U
Authority: JP
Priority date: 1985-05-28
Filing date: 1985-05-28
Publication date: 1986-12-04

Description

[Brief explanation of the drawing]

第１図は本考案のクレーム対応図、第２図は本
考案の一実施例を示す構成図、第３図は同上のフ
ローチヤート、第４図及び第５図は作用を説明す
るための図、第６図は排気微粒子処理装置の従来
例を示す構成図である。２２…機関、２４…トラツプ、２５…バイパス
排気通路、２６…バイパス流量制御弁（バイパス
弁）、２７…第１ダイアフラム装置、３３…吸気
絞弁、３４…第２ダイアフラム装置、３８…制御
装置、３９…回転速度センサ、４０…負荷センサ
。 Fig. 1 is a diagram corresponding to claims of the present invention, Fig. 2 is a configuration diagram showing an embodiment of the present invention, Fig. 3 is a flowchart of the same, and Figs. 4 and 5 are diagrams for explaining the operation. , FIG. 6 is a configuration diagram showing a conventional example of an exhaust particulate processing device. 22... Engine, 24... Trap, 25... Bypass exhaust passage, 26... Bypass flow control valve (bypass valve), 27... First diaphragm device, 33... Intake throttle valve, 34... Second diaphragm device, 38... Control device, 39...Rotational speed sensor, 40...Load sensor.

Claims

[Scope of utility model registration request]

A trap installed in the exhaust passage of an engine to collect particulates in the exhaust gas, a regeneration time determination means for determining the regeneration time of the trap, and an intake throttle valve installed in the intake passage to open and close the intake throttle valve. a drive means; a bypass exhaust passage that bypasses the trap;
bypass flow control valve driving means for controlling the opening of the bypass flow control valve installed in the bypass exhaust passage; operating state detection means for detecting the operating state of the engine; and detection when it is determined that it is time to regenerate the trap. an opening setting means for setting the opening degree of the intake throttle valve according to the set engine operating state; and an opening degree setting means for controlling the operation of the intake throttle valve driving means according to the set intake throttle valve opening degree. an intake throttle valve control means for controlling the opening of the intake throttle valve to a predetermined opening; and a bypass flow control valve driving means for controlling the operation of the bypass flow control valve according to the set intake throttle valve opening or the related operating state to set the bypass flow control valve to a predetermined opening. An exhaust particulate processing device for an internal combustion engine, comprising: bypass valve control means for controlling the opening degree.