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Filing date
Publication date
Application filed by 日本電気株式会社filedCritical日本電気株式会社
Priority to JP3365483UpriorityCriticalpatent/JPS59139936U/en
Publication of JPS59139936UpublicationCriticalpatent/JPS59139936U/en
Switches That Are Operated By Magnetic Or Electric Fields
(AREA)
Switches Operated By Changes In Physical Conditions
(AREA)
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
【図面の簡単な説明】[Brief explanation of the drawing]
図は本考案の一実施例を示す構成図である。
The figure is a configuration diagram showing an embodiment of the present invention.
Claims (1)
【実用新案登録請求の範囲】[Scope of utility model registration request]大気圧と真空吸入圧との差を検出するベロフラム式真空 スイッチにおいて、大気室側と真空室側とを連結する大 気真空連結管路と、該大気真空室連結管路の径を調整す る圧力差調整ニードルと、大気圧を受ける大気室への大 気流入量を調整する大気流入量調整ニードルとを有す乞 ベロフラム式真空スイッチ。In a bellofram vacuum switch that detects the difference between atmospheric pressure and vacuum suction pressure, there is an atmospheric vacuum connecting pipe that connects the atmospheric chamber side and the vacuum chamber side, and a pressure difference that adjusts the diameter of the atmospheric vacuum chamber connecting pipe. A bellofram type vacuum switch that has an adjustment needle and an air inflow amount adjustment needle that adjusts the amount of air inflow into an atmospheric chamber that receives atmospheric pressure.