<p>An accumulator and relay valve (20) is operable to isolate a fluid operated electric switch (30) from the transient pressure pulses present at the output of a pulse-width-modulated solenoid valve (18). The accumulator and relay valve is further operable to control a minimum pressure level that is communicated from the solenoid valve to the switch. <IMAGE></p>
申请公布号
EP0537810(B1)
申请公布日期
1994.08.10
申请号
EP19920202652
申请日期
1992.09.02
申请人
GENERAL MOTORS CORPORATION
发明人
DADEL, MARTIN ROBERT;MCCAULEY, PHILLIP FRANKLIN;LONG, CHARLES FRANCIS;VAPOR, J. CURT;COOKE, DENNIS MICHAEL