JPS60108869U

JPS60108869U - Electric fluid pressure conversion valve device

Info

Publication number: JPS60108869U
Application number: JP20131983U
Authority: JP
Inventors: 位田　雅宏; 桑名　一隆
Original assignee: アイシン精機株式会社
Priority date: 1983-12-28
Filing date: 1983-12-28
Publication date: 1985-07-24

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図は従来の１つの油圧サーボバルブの構成　−概要
を示す断面図である。第２図は本考案の一実施例の縦断
面図である。１：磁性体スリーブ、２：電気コイル、３：磁性体コア
、４：ソース口、５ニブランジャ作動空間、６：流体流
路、６ａ：流入口１，９：非磁性体スリーブ、１０：磁
性体エンドプレート、１１：非磁性体出力ポート弁座、
１２：流体流路、１３：磁性体プランジャ、１６：第１
の弁部材、１７：ドレインポート、１８：コイルスプリ
ング、２０：基台、２０ａ：出力圧室、２１：カバープ
レート、２２：出力ポート、２３：第２の弁部材、２４
ニオリフイス。FIG. 1 is a sectional view schematically showing the configuration of one conventional hydraulic servo valve. FIG. 2 is a longitudinal sectional view of an embodiment of the present invention. 1: Magnetic sleeve, 2: Electric coil, 3: Magnetic core, 4: Source port, 5 Nib plunger operating space, 6: Fluid flow path, 6a: Inlet 1, 9: Non-magnetic sleeve, 10: Magnetic material End plate, 11: Non-magnetic output port valve seat,
12: fluid flow path, 13: magnetic plunger, 16: first
valve member, 17: drain port, 18: coil spring, 20: base, 20a: output pressure chamber, 21: cover plate, 22: output port, 23: second valve member, 24
Niorifice.

Claims

[Claims for Utility Model Registration] A hollow magnetic yoke with both ends open; an electric coil housed within the magnetic yoke; a magnetic yoke that enters the inside of the electric coil through an opening at one end; a source port communicating with the fluid inlet at the rear end;
Magnetic material bow a; Located on the other end opening side of the magnetic material yoke and forming an output pressure chamber,
A base having an output port and a drain port communicating with the output royal; A drain port valve seat communicating with the drain port; A magnetic plunger inserted between the leading end of the magnetic core and the drain boat valve seat; A magnetic plunger a first spring fixed to the magnetic plunger and closing the drain port as the plunger approaches the drain boat valve seat;
a second valve member fixed to the magnetic plunger and closing the fluid inlet of the magnetic core as the plunger approaches the magnetic core entry tip; An electric-fluid pressure conversion valve device comprising: