Patent ID: 6223113
Filing Date: 2001-04-24
Classification: F16H,Y10T

Abstract:
A system for detecting default conditions for a plurality of fluid actuated clutches associated with a transmission having a plurality of gears comprising:a plurality of fluid actuated clutches each of which is operatively connected in a one-to-one correspondence to a plurality of control valves;at least one input mechanism that generates a signal indicating a short-to-battery fault condition for at least one of said plurality of control valves and a value for speed of an engine drive; andan electronic controller for detecting said signal indicating a short-to-battery fault condition for at least one of said plurality of control valves and shifting to a predetermined gear that is utilized by of said fluid actuated clutches that are in one-to-one correspondence with said at least one of said plurality of control valves having said short-to-battery fault condition, wherein said predetermined gear is based on a current gear, said speed of an engine drive, and said least one of said plurality of clutches having said short-to-battery condition.