| 摘要 |
<p>Device for automatically equalizing subatmospheric pressure in vehicle fuel tanks. The device comprises an electronic control circuit connected to the vehicle ignition lock (10) and contains a pressure monitor (7, 8) which controls a magnet valve (1). A circuit (11) with a temperature controlled switch (12) is coupled in parallel to the ignition lock in order to connect current to the automatic control circuit when the ambient temperature is low.</p> |
