System for measuring the efficiency of hydrocarbon vapor recover

Details System for measuring the efficiency of hydrocarbon vapor recover System for measuring the efficiency of hydrocarbon vapor recover

1993-07-08

1995-11-14

Williams, Hezron E.

Measuring and testing

Gas analysis

With compensation detail

73 3003, B67D 5378

Patent

active

054656060

ABSTRACT:
The efficiency of hydrocarbon vapor recovery installations used in gas stations is measured. A system for measuring a yield of recovery for hydrocarbon vapors emitted from the tank of a vehicle as it is being filled comprises at least one box for carrying a nozzle inside and for placement over a filler neck of the tank. The nozzle is connected through a conduit to a device for evaluating the recovered hydrocarbon vapor, wherein the recovered vapor evaluation device is a gas meter and a following orifice.

REFERENCES:
patent: 2772567 (1956-12-01), Boden et al.
patent: 4138880 (1979-02-01), Cohen et al.
patent: 4392870 (1983-07-01), Chieffo et al.
Automotive Engineering, vol. 84, No. 5, May 1976, pp. 24-29, "Refuelling Emissions Can Be Controlled".

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