| 摘要 |
<p>A vehicle air braking system including an air compressor, an air dryer, an air dryer control valve (18) having a vent (38) to atmosphere, a reservoir (24) adapted to contain a quantity of dry air for use in regenerating desiccant (28) of the air dryer and means to exhaust dry air through the desiccant (28) and control valve (18) to atmosphere, the system further including control means (40) sensitive to the operating condition of the vehicle and operable to cause regeneration of the desiccant (18) and purging of the control valve (18) when the vehicle engine is stopped.</p> |
