Patent ID: 7247125
Filing Date: 2007-07-24
Classification: F16H,Y10S,Y10T

Abstract:
1. A system for fluid delivery in a continuously variable transmission comprising: a valve assembly having a first position and a second position, said valve assembly configured to distribute a fluid; one of a forward clutch and a reverse clutch in fluid communication with said valve assembly, wherein said valve assembly in said first position regulates one of said forward clutch and said reverse clutch and in said second position closes one of said forward clutch and said reverse clutch; a torque converter in fluid communication with said valve assembly, wherein said valve assembly in said first position opens the torque converter and in said second position regulates said torque converter; and a controller monitoring a transmission range, operating said valve assembly based on said transmission range, detecting said valve assembly stuck in said second position based on said transmission range, and pulsing said valve assembly when stuck in said second position.