Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1987-10-19
1990-06-12
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141 44, 141286, 141291, 141302, 137588, 220 85VR, 220 85VS, 220 86R, 220DIG33, 55387, 123519, B65B 3106
Patent
active
049324446
ABSTRACT:
An onboard fuel vapor recovery system for a motor vehicle includes a fill neck assembly mounted at the inlet end of a dual passage fuel tank fill pipe in which fuel dispensed into the fuel tank during a refueling operation passes through an inner conduit while fuel vapor displaced from the tank by incoming fuel passes upwardly through a vapor passage between the inner conduit and an outer conduit loosely surrounding the inner conduit, the fill neck assembly including a vapor valve movable to an open position in response to unsealing of the inlet to the inner conduit in preparation for a refueling operation, opening of the vapor valve permitting fuel vapor displaced from the tank during the refueling operation to flow into a vapor receiving canister from which the vapor is subsequently withdrawn for combustion in the vehicle engine, the fill neck assembly also including a float valve for signalling the filling of the tank to capacity and a pressure relief valve in the fill neck assembly protecting the system in emergency overfilling situations.
REFERENCES:
patent: 4564054 (1986-01-01), Gustavsson
patent: 4630749 (1986-12-01), Armstrong et al.
patent: 4706708 (1987-11-01), Fornuto et al.
patent: 4707164 (1987-11-01), Harris
patent: 4714172 (1987-12-01), Morris
patent: 4715509 (1987-12-01), Ito et al.
patent: 4724861 (1988-02-01), Covert et al.
patent: 4742809 (1988-05-01), Ito et al.
patent: 4747508 (1988-05-01), Sherwood
Colt Industries Inc.
Cusick Ernest G.
Reiter Howard S.
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