Solenoid operated pressure regulating valve

A pressure control device, preferably for use in a control system of an automatic transmission of a motor vehicle, is shown as having a solenoid motor assembly the armature of which, through a cooperating servo orifice, is effective for varying the magnitude of pressure of a fluid medium acting upon...

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Bibliographic Details
Main Authors ROBERT O KOCH, RALPH PATRICK MCCABE
Format Patent
LanguageEnglish
Published 21.12.1994
Edition5
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
CONTROLLING
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TAPS
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A pressure control device, preferably for use in a control system of an automatic transmission of a motor vehicle, is shown as having a solenoid motor assembly the armature of which, through a cooperating servo orifice, is effective for varying the magnitude of pressure of a fluid medium acting upon a spool slave-like valving member which ultimately provides a fluid medium to associated fluid medium receiving structure; a fluid medium flow restriction formed as of sintered metal enables the fluid medium to flow in and through the control device to thereby bring about purging of air and other gases from within said control device.
Bibliography:Application Number: GB19920004715