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US 2015/0020895 A1Published application
Relief valve
AssigneeK-Pump
InventorJames D. Kutella
Life of this patent
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Abstract
A relief valve is configured to fit between the outlet of a hand pump and the inlet of an inflatable device to prevent the inflatable device from being inflated beyond a desired pressure. The relief valve can also be used to bleed excess air out of an inflatable device that is above its desired pressure.
Claims9
A relief valve for placement between a source of pressurized air and an inflatable device, comprising:
- (a) a housing having an inlet configured to communicate fluidly with a source of pressurized air and an outlet configured to communicate fluidly with an inlet in an inflatable device;
- (b) an exhaust port located in said housing between said inlet and said outlet;
- (c) a valve associated with said exhaust port, said valve being movable between a closed position where pressurized air in said housing cannot escape through said exhaust port and an open position where pressurized air in said housing can escape through said exhaust port;
- (d) said valve being biased to said closed position until the pressure in said housing reaches a predetermined level.
1 more element
Dependencies are inferred from the claim text.