JPH04205508A - Electromagnetic valve device - Google Patents

Electromagnetic valve device

Info

Publication number
JPH04205508A
JPH04205508A JP33897690A JP33897690A JPH04205508A JP H04205508 A JPH04205508 A JP H04205508A JP 33897690 A JP33897690 A JP 33897690A JP 33897690 A JP33897690 A JP 33897690A JP H04205508 A JPH04205508 A JP H04205508A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
pressure
spool
valve
accordance
position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP33897690A
Inventor
Yasuo Ishikawa
Keiichiro Muraoka
Original Assignee
Tosok Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

PURPOSE: To set the output pressure controlled by the spool position in accordance with the duty ratio of an input pulse by supplying the input pressure of a fixed level to an electromagnetic valve provided at the edge part of the valve body.
CONSTITUTION: When an input pulse set at an optional duty ratio is applied to an electromagnetic valve 40, the input pressure supplied to the valve 40 is varied. This varied driving pressure is supplied to one of both edge parts of a spool 31. Thus the spool 31 which is energized in the axial direction at the other end is pressed in the opposite direction and slides in accordance with the driving pressure. Then the position of the spool 31 is regulated. As a result, the spool 31 is fixed at a position where the output pressure is maintained with the feedback pressure produced between the driving pressure and the output pressure. Thus it is possible to keep a state where the output pressure is obtained by the body of the valve 40 in accordance with the duty ratio.
COPYRIGHT: (C)1992,JPO&Japio
JP33897690A 1990-11-30 1990-11-30 Electromagnetic valve device Pending JPH04205508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33897690A JPH04205508A (en) 1990-11-30 1990-11-30 Electromagnetic valve device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33897690A JPH04205508A (en) 1990-11-30 1990-11-30 Electromagnetic valve device

Publications (1)

Publication Number Publication Date
JPH04205508A true true JPH04205508A (en) 1992-07-27

Family

ID=18323104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33897690A Pending JPH04205508A (en) 1990-11-30 1990-11-30 Electromagnetic valve device

Country Status (1)

Country Link
JP (1) JPH04205508A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509448A (en) * 1994-11-15 1996-04-23 General Motors Corporation Control valve with integral accumulator
US6024200A (en) * 1996-08-30 2000-02-15 Hyundai Motor Company N-R control valve of a hydraulic control system for automatic transmissions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509448A (en) * 1994-11-15 1996-04-23 General Motors Corporation Control valve with integral accumulator
US6024200A (en) * 1996-08-30 2000-02-15 Hyundai Motor Company N-R control valve of a hydraulic control system for automatic transmissions

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