Vapor recovery system employing oxygen detection

Details Vapor recovery system employing oxygen detection Vapor recovery system employing oxygen detection

1998-08-14

1999-11-23

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 83, B65B 104

Patent

active

059882328

ABSTRACT:
A vapor recovery system is disclosed that provides direct measurements of the oxygen concentration within fugitive vapor emissions displaced from a fuel tank during refueling activity. The hydrocarbon concentration is derived from the oxygen concentration and used to adjust the operating speed of a vapor pump so as to minimize the presence of oxygen in the vapor recovery line.

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