Vapor recovering device for volatile liquid dispensing apparatus

Details Vapor recovering device for volatile liquid dispensing apparatus Vapor recovering device for volatile liquid dispensing apparatus

1991-05-30

1992-09-29

Recla, Henry J.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 44, 141 45, 417405, B65B 3100, F04B 1700

Patent

active

051507420

ABSTRACT:
A device for recovering vapor in a vehicle fuel tank has a hydraulic motor arranged in the way of a liquid duct for feeding volatile liquid from a fuel reservoir tank to a gun nozzle mounted at the free end of the liquid duct, and a pneumatic pump arranged in the way of a vapor duct for feeding the vapor in the vehicle fuel tank through the gun nozzle to the fuel reservoir tank. The hydraulic motor and the pneumatic pump have a pair of meshing rotors, respectively. One pair of rotors are of substantially same configuration and size with those of the other pair of rotors. The rotors of the pneumatic pump are driven by the hydraulic motor rotors through multiplying gearings.

REFERENCES:
patent: 3016928 (1962-01-01), Brandt
patent: 3850208 (1974-11-01), Hamilton
patent: 4068687 (1978-01-01), Long
patent: 4082122 (1978-04-01), McGahey
patent: 4202385 (1980-05-01), Voelz et al.
patent: 4295802 (1981-10-01), Peschke
patent: 4448256 (1984-05-01), Eberhardt et al.
patent: 4511378 (1985-04-01), Greene
patent: 4649970 (1987-03-01), Bower et al.

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