Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1997-10-23
2000-02-01
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
137592, F16K 1503
Patent
active
060191279
ABSTRACT:
An inner diameter of a filler tube is formed smaller than that of a filler neck of a tank main body. Hence, a clearance is thus difficult to be created between inner peripheral surface of the filler tube and the fuel stream which flows through the filler tube upon supply of fuel, and also leakage of vapor fuel from a fuel filler port can be avoided. In addition, a cylindrical insert whose inner diameter is formed to be substantially equal to its of the filler tube is provided in a neck portion of the filler hose. Accordingly, there exists no portion where the inner diameter is largely changed in the filler neck portion, whereby generation of turbulent flow of the supplied fuel and reduction in a flow rate can be suppressed to their maximum and thus fuel supply performance can be enhanced.
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patent: 5660206 (1997-08-01), Neal et al.
Hanai Junichi
Orita Kei
Nissan Motor Co,. Ltd.
Rivell John
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