Spill resistant fuel cap and ventilation system
First Claim
1. A spill resistant fuel and ventilation system for use with a fuel tank in boat fueling systems to minimize fuel spills and leaks during fueling and boat engine operation, said system comprising:
- a fuel tank interface means for preventing fuel spills during fueling;
a pressure equalizing means for relieving internal pressure in said system, said pressure equalizing means being releasably attachable to said fuel tank interface means;
a first hose fluidly joining the fuel tank and said fuel tank interface means for venting air and vapor displaced from the fuel tank when filling the fuel tank with fuel;
a second hose, in fluid communication with said fuel tank interface means, for inducing air into the fuel tank as fuel is pulled from the fuel tank during boat engine operation,; and
a one-direction valve means, in fluid communication with said second hose, for only allowing air flow into said system through said second hose.
7 Assignments
0 Petitions
Accused Products
Abstract
A spill resistant fuel cap and ventilation system to prevent fuel from spilling during the boat refueling process and when internal fuel system pressure increases, and for maintaining the internal pressure of the fuel system at a predetermined level, wherein the system comprises a fuel fill neck fluidly connected to a tank, the fuel fill neck having two venting apertures defined by it with one venting aperture in fluid communication with the tank and the other aperture in fluid communication with an air intake vent, such that the system provides two vapor and air venting paths for removing vapor and air during refueling and for relieving pressure, respectively, and such that an air intake venting path is formed for inducing air into the system through the fuel fill neck to prevent pulling vacuum in the tank during boat engine operation.
36 Citations
12 Claims
-
1. A spill resistant fuel and ventilation system for use with a fuel tank in boat fueling systems to minimize fuel spills and leaks during fueling and boat engine operation, said system comprising:
-
a fuel tank interface means for preventing fuel spills during fueling; a pressure equalizing means for relieving internal pressure in said system, said pressure equalizing means being releasably attachable to said fuel tank interface means; a first hose fluidly joining the fuel tank and said fuel tank interface means for venting air and vapor displaced from the fuel tank when filling the fuel tank with fuel; a second hose, in fluid communication with said fuel tank interface means, for inducing air into the fuel tank as fuel is pulled from the fuel tank during boat engine operation,; and a one-direction valve means, in fluid communication with said second hose, for only allowing air flow into said system through said second hose. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A spill resistant fuel and ventilation system for use with a fuel tank in boat fueling systems to minimize fuel spills and leaks during fueling and boat engine operation, said system comprising:
-
a fuel tank interface means for preventing fuel spills during fueling and for providing a fuel feed path to the fuel tank; a fuel cap means for forming a vapor tight seal with said fuel tank interface means, said fuel cap means being removably secured to said fuel tank interface means; a pressure equalizing means for relieving internal pressure in said system, said pressure equalizing means being securely installed in said fuel cap means; air intake vent means for inducing air into the fuel tank as fuel is pulled from the boat fuel tank during boat engine operation, said air intake vent means being in fluid communication with said fuel tank interface means and an air intake vent; one-direction valve means, installed in said air intake means, for limiting air flow to one direction so as to only allow air flow into said system; and tank vent means, in fluid communication with said fuel tank interface means, for venting air and vapor displaced by fuel in the fuel tank when filling the fuel tank with fuel. - View Dependent Claims (7, 8, 9, 10, 11, 12)
-
Specification