Mechanism for controlling fluid flows

Details Mechanism for controlling fluid flows Mechanism for controlling fluid flows

1999-03-29

2000-08-22

Chambers, A. Michael

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137587, 141 59, 141302, 123519, F16K 2400

Patent

active

06105612&

ABSTRACT:
Valve mechanism for controlling the fluid flows when refueling a fuel tank provided with a filler neck, having: a housing in which there are constructed a first opening, a second opening and a third opening; a valve member which is mounted movably in the housing between a first and a second position and has at least one sealing surface; a valve seat which in the housing is arranged between the openings and cooperates with the sealing surface(s) of the valve member in order, in the first position, to set up a first fluid connection between the first opening and the second opening, and a second fluid connection between the second opening and the third opening, and, in the second position, to interrupt the first and the second fluid connections; and a third fluid connection which is constructed in the housing between the second opening and the third opening and has a higher flow resistance than the second fluid connection.

REFERENCES:
patent: 4926914 (1990-05-01), Morizumi et al.
patent: 5027868 (1991-07-01), Morris et al.
patent: 5263511 (1993-11-01), Ohasi et al.
patent: 5404906 (1995-04-01), Aoshima et al.

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