On-board automotive methane compressor
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United States of America Patent
Stats
-
Feb 26, 1985
Grant Date -
N/A
app pub date -
Dec 13, 1982
filing date -
Dec 13, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gaseous fuel system for a vehicle including an on-board compressor for recharging an associated pressure storage tank. The compressor and tank are mounted on the vehicle as a structural unit whereby the tank shields the compressor and high pressure gas flow circuits therebetween and provides a heat exchanger surface for the compressor. A regulator in series with a supply line of low pressure gas prevents gas flow when the compressor does not operate to maintain a vacuum in an intervening dispensing line. An O.sub.2 sensor disconnects the compressor motor when the percentage of O.sub.2 exceeds a predetermined safe limit. A bypass circuit allows the tank to be filled from a high pressure supply without operation of the compressor.
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