H - Electricity – 01 – H
Patent
H - Electricity
01
H
341/38
H01H 47/00 (2006.01) G05B 9/02 (2006.01)
Patent
CA 1296408
SAFETY CONTROL DEVICE FOR AN ACTUATOR OF THE FLAP SOLENOID VALVE Abstract of the Disclosure A safety control device for an actuator of a flap solenoid valve, such as for an automatic transmission. The device includes a current control device which is connected to a shunt resistor for measuring the current through the solenoid valve and the current control device. It also includes a control package which measures the time between the starting of the power to the solenoid valve and the moment when the current reaches a threshold intensity. The control package compares this time with a time range which indicates the proper operation of the solenoid valve so that if the time falls outside this time range, the control package instructs the current control device to cut power to the solenoid valve.
570110
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Regie Nationale Des Usines Renault
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