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US 2017/0370335 A1Published application
System and method for vibration resistant rollover valve
AssigneeKohler Co.
InventorsMartin L. Radue, William D. Koenigs
Life of this patent
Estimating the term…
Abstract
A system includes a fuel delivery system of an engine, the fuel delivery system including a vent tube, walls providing a seat and forming a cavity at an opening of the vent tube, a floor of the cavity, the floor including a convex portion protruding from the floor, and a stopper in the cavity for sitting in the seat during a rollover situation.
Claims20
A system, comprising:
- a reservoir chamber;
- a vent tube to vent gases from the reservoir chamber;
- walls between the reservoir chamber and the vent tube, the walls providing a seat and forming a cavity at an opening of the vent tube;
- a floor of the cavity, the floor including a convex portion protruding from the floor;
- and
- a stopper positioned in the cavity for sitting in the seat during a rollover situation.
3 more elements
A fuel delivery system of an engine, comprising:
- a cavity formed between a reservoir chamber and a vent tube, the cavity forming a seat at an entrance of the vent tube;
- a stopper positioned in the cavity for sitting in the seat during a rollover situation;
- and
- a floor of the cavity, the floor including a convex portion protruding from the floor to prevent the stopper from sitting in the seat during normal operation.
1 more element
A method, comprising:
- providing a reservoir chamber for a fuel delivery system of an engine and a vent tube to vent the reservoir chamber;
- allowing the vent tube to vent fuel vapors out of the reservoir chamber during normal operation;
- and
- blocking the vent tube with a stopper during a rollover situation to prevent fuel from flowing out of the reservoir chamber via the vent tube.
1 more element
Dependencies are inferred from the claim text.