HYDRAULIC CONTROL DEVICE FOR AUTOMATIC TRANSMISSION

A hydraulic control device that includes a normally closed first solenoid valve, a first check valve, a failsafe valve, and a second check valve, wherein the first movable member of the first check valve is biased to cut off the communication between the first input port and the first drain port in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMAGUCHI Masamichi, ICHIKAWA Shinya, HYODO Yoshimitsu, TSUCHIDA Kenichi, MAKINO Koji
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A hydraulic control device that includes a normally closed first solenoid valve, a first check valve, a failsafe valve, and a second check valve, wherein the first movable member of the first check valve is biased to cut off the communication between the first input port and the first drain port in case of the failure in which no current is applied to the first solenoid valve.