JPS6184154U

JPS6184154U -

Info

Publication number: JPS6184154U
Application number: JP11854285U
Authority: JP
Priority date: 1985-08-01
Filing date: 1985-08-01
Publication date: 1986-06-03

Description

[Brief explanation of drawings]

図は本考案の実施例を示す縦断面図である。１……始動用絞弁、１ａ……バネ、３……作動
用ダイヤフラム、３′……密閉用ダイヤフラム、
６……負圧室、６ａ……負圧通路、７……始動用
吸気路、７ａ……始動用燃料通路、２８……逆止
弁、２９……感温開閉弁。 The figure is a longitudinal sectional view showing an embodiment of the present invention. 1... Throttle valve for starting, 1a... Spring, 3... Diaphragm for operation, 3'... Diaphragm for sealing,
6... Negative pressure chamber, 6a... Negative pressure passage, 7... Intake path for starting, 7a... Fuel passage for starting, 28... Check valve, 29... Temperature-sensitive on-off valve.

Claims

[Scope of utility model registration request]

A starting intake passage that bypasses the throttle valve and connects to the main intake passage, a starting throttle valve chamber provided orthogonally in the middle of the starting intake passage, and a starting throttle valve chamber that opens at the bottom of the starting throttle valve chamber. In a carburetor with a starting device, the carburetor includes a fuel passage, and a starting throttle valve that is slidably housed in the starting throttle valve chamber and opens and closes the starting intake passage and the starting fuel passage. is urged upward by a spring, an operating diaphragm is stretched above the starting throttle valve, and a sealing diaphragm is stretched between the operating diaphragm and the starting throttle valve,
A chamber formed above the operating diaphragm is an atmospheric chamber, a chamber formed between the operating diaphragm and the sealing diaphragm is a negative pressure chamber, and the starting throttle valve, the operating diaphragm, A carburetor with an automatic starting device characterized in that the sealing diaphragms are each arranged independently.