Title:
SAFETY DEVICE FOR ELECTRONIC AND OIL PRESSURE CONTROL TYPE SPEED CHANGE DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JPS5646151
Kind Code:
A
Abstract:
A safety device for an electronic- hydraulically controlled range transmission for vehicles comprises a pressure switch 10 monitoring the hydraulic circuit of each clutch or brake and communicating with a comparator 5. The comparator 5 compares the information received with control pulses transmitted from an electronic control unit 1 to a hydraulic control unit 2, and if a fault is found switches off the supply.
Inventors:
YOZEFU SHIYUBARUTSU
BARUTAA FURAI
BARUTAA FURAI
Application Number:
JP12847780A
Publication Date:
April 27, 1981
Filing Date:
September 16, 1980
Export Citation:
Assignee:
ZAHNRADFABRIK FRIEDRICHSHAFEN
International Classes:
F16H59/02; F16H61/12; F16H61/16; F16H61/70; F16H61/02; (IPC1-7): F16H5/66