JPS5951265U - switching valve - Google Patents

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) [Abstract] 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 drawings]

第１図は従来の温度を感知して自動的に切換えられる機
能を持つ切換弁機構の回路図、第２図は本考案の実施例
を示す切換弁の断面図、第３図は第２図の場合の流体温
度とバネ定数との関係を示す線図である。 図の主要部分の説明、１・・・本体、２・・・流入口、
３．４・１・・流出口、９・・・連結棒、１０．１１・
・・弁、１２・・・通常のハネ、１３・・・形状記憶合
金で作られたバネ。Fig. 1 is a circuit diagram of a conventional switching valve mechanism that has the function of automatically switching by sensing temperature, Fig. 2 is a sectional view of a switching valve showing an embodiment of the present invention, and Fig. 3 is a diagram of Fig. 2. FIG. 3 is a diagram showing the relationship between fluid temperature and spring constant in the case of FIG. Explanation of the main parts of the diagram, 1... Main body, 2... Inlet,
3.4.1.Outlet, 9.Connecting rod, 10.11.
... Valve, 12... Ordinary spring, 13... Spring made of shape memory alloy.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １つの流入口と２つの流出口を備え、同流出口の一方を
閉じれば他方が開くように移動する一対の弁を有し、同
一対の弁は夫々、通常のバネと、ある温度以上で前記通
常のバネのハネ定数よりも高い又は低いバネ定数をもち
、かつある温度以下で前記通常のハネのバネ定数よりも
低い又は高いハネ定数をもつ合金で作られたバネとによ
り、前記夫々の流出口を閉じる方向に付勢されているこ
とを特徴とする切換弁。It has one inlet and two outlets, and a pair of valves that move so that when one of the outlets is closed, the other opens, and each valve of the same pair has a normal spring and a and a spring made of an alloy that has a spring constant higher or lower than the spring constant of the normal spring and has a spring constant lower or higher than the spring constant of the normal spring below a certain temperature. A switching valve characterized by being biased in a direction to close an outlet.