JPS5812623U

JPS5812623U - secondary air control valve

Info

Publication number: JPS5812623U
Application number: JP10523181U
Authority: JP
Inventors: 池ノ谷　保男; 洋一石田
Original assignee: 本田技研工業株式会社
Priority date: 1981-07-15
Filing date: 1981-07-15
Publication date: 1983-01-26
Also published as: JPS614020Y2

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 drawings]

第１図は本考案二次空気制御弁を備えた内燃機関を搭載
した自動二輪車の概略側面図、第２図は前記内燃機関の
要部縦断側面図、第３図は第２図の一部拡大図である。ａ・・・大気圧室、ｂ・・・負圧室、８・・・エアクリ
ーナ、３４・・・二次空気供給路、４０・・・弁面、４
３・・・弁室、４４・・・弁口、４５・・・弁体、４６
・・・弁杆、５２・・・ダイヤフラム作動室、５４・・
・大気通路。第２図へ叉　ｆｒｌ：１； −１−一Fig. 1 is a schematic side view of a motorcycle equipped with an internal combustion engine equipped with the secondary air control valve of the present invention, Fig. 2 is a longitudinal cross-sectional side view of the main part of the internal combustion engine, and Fig. 3 is a part of Fig. 2. It is an enlarged view. a... Atmospheric pressure chamber, b... Negative pressure chamber, 8... Air cleaner, 34... Secondary air supply path, 40... Valve surface, 4
3...Valve chamber, 44...Valve port, 45...Valve body, 46
...Valve rod, 52...Diaphragm operating chamber, 54...
・Atmospheric passage. Go to Figure 2 f rl: 1; -1-1

Claims

[Scope of utility model registration request]

In a secondary air control valve interposed in the middle of a secondary air supply path 34 whose one end communicates with the atmosphere via the air cleaner 8 and the other end with the secondary air suction section, the valve surface 40 of the valve A valve chamber 43 communicating with the secondary air supply path 34 is formed, and a valve rod 46 is connected to a valve body 45 that opens and closes a valve port 44 of this valve chamber 43, and the valve rod 46 is slidably slidable on the valve surface 40. It passes through the valve surface 40 and connects one end thereof to a diaphragm 51 that projects into a diaphragm operating chamber 52 formed in the valve surface 40 and divides the diaphragm operating chamber 52 into an atmospheric pressure chamber a and a negative pressure chamber. A secondary air control valve having a pressure chamber a formed in a valve surface 40 and communicating with a secondary air supply path 34 upstream of the valve body 45 via an atmospheric passage 54.