JPS6128950U

JPS6128950U - expansion valve

Info

Publication number: JPS6128950U
Application number: JP11267384U
Authority: JP
Inventors: 太郎尾畑
Original assignee: 伊藤工機株式会社
Priority date: 1984-07-23
Filing date: 1984-07-23
Publication date: 1986-02-21

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図はこの考案に係る膨張弁の縦断正面図、第２図は
同上の開弁状態を示す縦断正面甲、第３図は従来の膨張
弁の縦断正面図である。１１・・・弁箱、，１２・・・仕切壁、１３・・・上室
、１４・・・下室、１５・・・ダイヤフラム、１６・・
・スプリンクマ′１７・・・流入口筒、１８・・・排出
口筒、１９・・・弁座、２０・・・補助弁座、２１・・
・弁棒、２２・・・弁体、２３・・・補助弁体、２４・
・・鍔、２５・・・スプリング、２６・・・鍔、２７・
・・通孔、２８・・・スプリング。FIG. 1 is a longitudinal sectional front view of an expansion valve according to this invention, FIG. 2 is a longitudinal sectional front view showing the same valve in an open state, and FIG. 3 is a longitudinal sectional front view of a conventional expansion valve. 11...Valve box, 12...Partition wall, 13...Upper chamber, 14...Lower chamber, 15...Diaphragm, 16...
・Sprinkler '17...Inlet tube, 18...Outlet tube, 19...Valve seat, 20...Auxiliary valve seat, 21...
・Valve stem, 22... Valve body, 23... Auxiliary valve body, 24.
... Tsuba, 25... Spring, 26... Tsuba, 27.
...Through hole, 28...Spring.

Claims

[Scope of utility model registration request]

In an expansion valve, when the downstream side is opened, a spring and a Neri diaphragm push down the valve stem to release the valve body from the valve seat. An expansion valve characterized by having an auxiliary valve installed on the valve stem so that it is fully open except when the valve is closed.