JPS61186071U

JPS61186071U -

Info

Publication number: JPS61186071U
Application number: JP7114185U
Authority: JP
Priority date: 1985-05-13
Filing date: 1985-05-13
Publication date: 1986-11-20

Description

[Brief explanation of the drawing]

第１図はこの考案の電気駆動式膨張弁の第１実
施例の縦断面図、第２図は第２実施例の縦断面図
である。１……弁本体、４……弁棒、５……電気的駆動
機構、１４……第１通路、１５……第２通路、１
６……メイン通路、１７……バイパス通路、１９
……第１流路、２１……第２流路、２５，２６…
…弁座、２７，２８……弁。 FIG. 1 is a longitudinal sectional view of a first embodiment of the electrically driven expansion valve of this invention, and FIG. 2 is a longitudinal sectional view of the second embodiment. DESCRIPTION OF SYMBOLS 1... Valve body, 4... Valve stem, 5... Electric drive mechanism, 14... First passage, 15... Second passage, 1
6...Main passage, 17...Bypass passage, 19
...First channel, 21... Second channel, 25, 26...
...valve seat, 27, 28...valve.

Claims

[Scope of utility model registration request]

It has a valve stem 4 slidably disposed in a sealed valve body 1, and an electric drive mechanism 5 for driving this valve stem 4, and each of the valve bodies 1 is connected to the outside. A first passage 14 and a second passage 15 are bored, and the passages 14 and 15 are communicated through both a main passage 16 and a bypass passage 17 arranged in parallel with the main passage 16. , the main passage 16 and the bypass passage 17 have a first passage 19 and a second passage passing around the valve rod 4, respectively.
A flow passage 21 is provided, and both flow passages 19 and 21 are arranged so that the flow of fluid passing through the passages is in opposite directions to each other with respect to the axial direction of the valve stem 4. are valve seats 25 and 2 for opening and closing the flow passages 19 and 21 together by movement of the valve stem 4;
An electrically driven expansion valve characterized in that 6 is provided respectively.