JPH037582U

JPH037582U -

Info

Publication number: JPH037582U
Application number: JP6791889U
Authority: JP
Priority date: 1989-06-10
Filing date: 1989-06-10
Publication date: 1991-01-24

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す斜視図、第２
図は形状記憶アクチユエータ素子の端部を例示す
る正面図、第３図は形状記憶アクチユエータ素子
の他の例を示す断面図、第４，５図は形状記憶ア
クチユエータ素子の端部を他の例を示す正面図、
第６図は形状記憶アクチユエータ素子の他の例を
示す斜視図、第７図は形状記憶アクチユエータ素
子の他の例を示す正面図、第８図は従来装置を例
示する斜視図である。２……形状記憶アクチユエータ素子、３……弁
体、２６……バイアスバネ、３０……芯体、３２
……発熱体。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a front view illustrating the end of the shape memory actuator element, FIG. 3 is a sectional view showing another example of the shape memory actuator element, and FIGS. 4 and 5 are illustrating the end of the shape memory actuator element. Front view showing,
FIG. 6 is a perspective view showing another example of the shape memory actuator element, FIG. 7 is a front view showing another example of the shape memory actuator element, and FIG. 8 is a perspective view illustrating a conventional device. 2... Shape memory actuator element, 3... Valve body, 26... Bias spring, 30... Core body, 32
...Heating element.

補正平１．８．２１考案の名称を次のように補正する。考案の名称開閉弁実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 1.8.21 Hei 1. The name of the invention is amended as follows. Title of the invention On-off valve The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】１予め設定された温度で所定の形状に変形する
形状記憶合金を用いた芯体の周囲に絶縁層を介し
て通電により発熱する発熱体を巻回した形状記憶
アクチユエータ素子を、弁座を接離する弁体に取
付けてなる開閉弁。２前記弁体は、芯体の変形による作動と逆に作
動するためのバイアスバネを有することを特徴と
する請求項１記載の開閉弁。[Claims for Utility Model Registration] 1. A shape memory actuator in which a heating element that generates heat when energized is wound around a core made of a shape memory alloy that deforms into a predetermined shape at a preset temperature via an insulating layer. An on-off valve with an element attached to a valve body that connects and separates a valve seat. 2. The on-off valve according to claim 1, wherein the valve body has a bias spring that operates in the opposite direction to the operation caused by deformation of the core body.

【図面の簡単な説明】第１図は、本考案の一実施例を示す斜視図、第
２図は形状記憶アクチユエータ素子の端部を例示
する正面図、第３図は形状記憶アクチユエータ素
子の他の例の断面を例示する断面図、第４図は形
状記憶アクチユエータ素子の他の例を示す断面図
、第５図は形状記憶アクチユエータ素子の端部を
他の例を示す正面図、第６図は形状記憶アクチユ
エータ素子の他の例を示す斜視図、第７図は形状
記憶アクチユエータ素子の他の例を示す正面図、
第８図は従来装置を例示する斜視図である。２……形状記憶アクチユエータ素子、３……弁
体、１３……弁座、２６……バイアスバネ、３０
……芯体、３２……発熱体。[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a perspective view showing an embodiment of the present invention, Fig. 2 is a front view illustrating the end of a shape memory actuator element, and Fig. 3 is a perspective view showing an example of the shape memory actuator element. 4 is a sectional view showing another example of the shape memory actuator element, FIG. 5 is a front view showing another example of the end of the shape memory actuator element, and FIG. 6 is a sectional view showing another example of the shape memory actuator element. is a perspective view showing another example of the shape memory actuator element, FIG. 7 is a front view showing another example of the shape memory actuator element,
FIG. 8 is a perspective view illustrating a conventional device. 2... Shape memory actuator element, 3... Valve body, 13... Valve seat, 26... Bias spring, 30
... core body, 32 ... heating element.

Claims

[Claims for Utility Model Registration] 1. A shape memory actuator in which a heating element that generates heat when energized is wound around a core made of a shape memory alloy that deforms into a predetermined shape at a preset temperature via an insulating layer. An on-off valve in which the core of the element is attached to a valve body that comes into contact with and separates from a valve seat. 2. The on-off valve according to claim 1, wherein the valve body has a bias spring that operates in the opposite direction to the operation caused by deformation of the core body.