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US 9,222,670 B2Granted
Heating system with pressure regulator
OwnerDavid Denginventor
Life of this patent
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Abstract
A heating system can include certain pressure sensitive features. These features can be configured to change from a first position to a second position based on a pressure of a fuel flowing into the feature. These features can include, fuel selector valves, pressure regulators, burner nozzles, and oxygen depletion sensor nozzles, among other features.
Claims12
A dual fuel assembly comprising:
- a housing;
- an inlet;
- an outlet;
- a first valve comprising a valve member and a first biasing device;
- a second valve comprising a first diaphragm and a second biasing device;
- a third valve comprising a second diaphragm and a third biasing device;
- wherein the inlet is configured for fluid communication with the first valve and the third valve such that fluid entering the inlet at a first pressure can flow through the first valve to the second valve, open the second valve and flow through the second valve to the outlet, fluid entering the inlet at a second pressure can open and flow through the third valve to the outlet;
- wherein the dual fuel assembly is configured such that fluid flowing at the second pressure closes the first valve.
5 more elements
Dependencies are inferred from the claim text.