Float valve for fuel tank

Details Float valve for fuel tank Float valve for fuel tank

1995-03-27

1997-05-27

Hepperle, Stephen M.

Fluid handling

Control by change of position or inertia of system

Vent opening or closing on tipping container

B60K 15035

Patent

active

056322968

ABSTRACT:
The float valve of the invention comprises: a case 11, float 15, valve 16 capable of closing a efflux channel 18 of air A, and ball 17 for supporting a motion of closing the float 15. A through-hole 13a for communicating air provided on the side wall 13 of the case is open at a position, the level of which is the same as that of a fuel level LF in the fuel tank in the case of appropriately filling up the fuel tank with fuel. A float body 15a of the float 15 is disposed on a plate portion 12a on the bottom wall 12 of the case at a position higher than a through-hole 13a on the side wall 13 of the case. Thereby, air can be positively discharged from the fuel tank until the fuel level reaches a position at which the fuel tank is filled up with fuel in the case of refueling, so that fuel can be smoothly fed into the fuel tank.

REFERENCES:
patent: 4000828 (1977-01-01), Crute et al.
patent: 4666058 (1987-05-01), Harris
patent: 4679581 (1987-07-01), Mears
patent: 4685584 (1987-08-01), Harris
patent: 4753262 (1988-06-01), Bergsma
patent: 4886089 (1989-12-01), Gabrlik et al.
patent: 5065782 (1991-11-01), Szlaga
patent: 5139043 (1992-08-01), Hyde et al.

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