Soft shift reversing control system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 17, 1981
Grant Date -
N/A
app pub date -
Mar 16, 1979
filing date -
Mar 16, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic reversing control system is disclosed for preventing excessive shock loading of the vehicle driveline when the operator calls for vehicle reversal with the vehicle in motion. A digital logic forward-reverse control channel links the operator's direction control lever and the reversing means in the transmission. When reversing is called for the control channel logic is inhibited by a speed responsive signal unless the vehicle speed is below a predetermined value. A speed retarding control channel controls the vehicle brakes and throttle when a reversing signal is produced provided the speed is above the predetermined value. Additionally, the system is provided with a logic power loss detector which resonds to power supply failure and automatically shifts the transmission into neutral.
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