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U.S. Department of Energy
Office of Scientific and Technical Information

Automatic transmission system for vehicles

Patent ·
OSTI ID:6372779
An automatic transmission system is described for vehicles having a friction clutch coupled to an internal combustion engine. A speed-change-gear type transmission is coupled to the clutch. A first actuator operates the clutch is in response to an electric signal. A second actuator for operating the transmission is in repsonse to an electric signal. Means for producing first and second control signals control the operations of the clutch by ON/OFF conditions and of the transmission by gear change positions, respectively, in response to a command signal from an operating unit.
Assignee:
Diesel Kiki Co., Ltd.
Patent Number(s):
US 4662494
OSTI ID:
6372779
Country of Publication:
United States
Language:
English