Dispensing system for petrol-pumps, including a bypass and principle valve
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United States of America Patent
Stats
-
Jan 27, 2004
Grant Date -
N/A
app pub date -
Jul 1, 2002
filing date -
Jul 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dispensing system for petrol pumps, comprising a pump, a dispensing valve in a petrol pump nozzle and an electrically controllable solenoid valve (10), characterized in that the solenoid valve (10) includes a directly acting principal valve (18) and a bypass valve (30) arranged so as to bypass the principal valve (18), and a solenoid drive (34) by which in case of a differential pressure present above the sealing seat (24) of the principal valve (18) at first only the bypass valve (30) is able to be switched to the open position, and only after a pressure compensation has, occurred at the sealing seat (24) of the principal valve (18) by the opening of the bypass valve (30) is the principal valve (18) also able to be switched to the open position.
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Family
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