Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1997-05-30
1998-07-07
Michalsky, Gerald A.
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137 43, F16K 2404
Patent
active
057753628
ABSTRACT:
A fuel-effusion prevention valve includes a first housing member having an evaporation passage, a first engaging portion and a first cylindrical portion, and a second housing member having a partition portion, a communicating passage, a second engaging portion and a second cylindrical portion. The first cylindrical portion is formed so as to extend axially from the first engaging portion, and its diameter is smaller than that of the second engaging portion. The second cylindrical portion is formed so as to extend axially from the second engaging portion. A floating valve is disposed in a chamber so as to be able to open and close the valve hole in response to its buoyancy due to fuel flowing into the second chamber through the communicating passage. The first cylindrical portion is fused with the second cylindrical portion. A circular seal member is fitted into an installation hole formed on the fuel tank and its inner hole is fitted onto the outer circumferential surface of the first cylindrical portion.
REFERENCES:
patent: 4050471 (1977-09-01), Anhegger et al.
patent: 4655238 (1987-04-01), Szlaga
patent: 4781218 (1988-11-01), Mori et al.
Miura Yasushi
Miyazato Kazuo
Mochizuki Masahiro
Nakayama Shin-ichi
Sato Tadayoshi
Aisin Seiki Kabushiki Kaisha
Michalsky Gerald A.
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