Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1993-10-01
1995-02-21
Jacyna, J. Casimer
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141206, 141392, B67D 500
Patent
active
053907124
ABSTRACT:
A fuel dispensing and vapor recovery nozzle includes a body portion having a fuel passageway therethrough, a main valve in the fuel passageway for controlling the flow of fuel therethrough, a manually operable valve actuating lever for opening the main valve, a pivot member mounting the lever for pivotal movement, an elongate pivot mounting member carrying the pivot member and mounted for sliding longitudinal movement, a venturi responsive to fuel flow through the fuel passageway for creating a vacuum, a shut-off passageway from the venturi to the spout adapted to be closed when the fuel tank is filled, a locking device normally locking the pivot mounting member against longitudinal movement so that the pivot member is stationary and the lever is operable to open the main valve, a vacuum responsive device for rendering the locking device inoperable upon the shut-off passageway becoming blocked, a vapor recovery passageway in the body portion extending longitudinally therethrough, a vapor recovery passageway in the spout and having a large area inlet in the side of the spout near but spaced from the outer end of the spout and an outlet opening in the side of the spout near but externally of the body portion and vapor confinement and a directing sleeve for confining vapors leaving the outlet opening and directing those vapors into the vapor recovery passageway in the body portion.
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Johnson John L.
Parrish David J.
Shih Chih-Kun
Emco Wheaton Inc.
Jacyna J. Casimer
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