High efficiency vapor recovery fuel dispensing

Details High efficiency vapor recovery fuel dispensing High efficiency vapor recovery fuel dispensing

1992-10-29

1994-09-13

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

141 5, 141 44, 141 46, 141 59, 141 83, 141128, B65B 104

Patent

active

053459792

ABSTRACT:
An apparatus for dispensing volatile liquid fuel with recovery of fuel vapors includes a fuel delivery system having a fuel delivery line and a pump in the line to pump fuel there-along to a nozzle. A vapor recovery subsystem includes a vapor return line from the nozzle and a vapor impulsion means to induce vapor to flow through the vapor return line at a vapor flow rate comparable to the liquid flow rate through the fuel delivery line during most of a fueling operation. A vapor impulsion booster boosts the vapor flow rate above the liquid flow rate early in a fueling operation.

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