Water heater with flammable vapor sensor
AssigneeAmerican Water Heater Company
InventorMichael A. Garrabrant
Life of this patent
Estimating the term…
Abstract
A water heater including a water container, a combustion chamber adjacent the water container, a burner associated with the combustion chamber, a blower located to receive combustion products generated by the burner, an intake air conduit connected to the combustion chamber and having a combustion air intake opening, a dilution air conduit connected to the blower and having a dilution air intake opening; and a flammable vapor sensor having at least an operative portion positioned in the blower or the dilution air conduit.
Claims29
A water heater comprising:
- a water container;
- a combustion chamber adjacent the water container;
- a burner associated with the combustion chamber;
- a blower assembly located to receive combustion products generated by the burner;
- an intake air conduit substantially sealingly connected to the combustion chamber and having a combustion air intake opening located adjacent an upper portion of the water heater;
- a dilution air conduit substantially sealingly connected to the blower assembly and having a dilution air intake opening;
- and
- a flammable vapor sensor having at least an operative portion positioned in and/or at the blower assembly and/or the dilution air conduit.
A water heater comprising:
- a water container;
- a combustion chamber adjacent the water container;
- a burner associated with the combustion chamber;
- a blower assembly located to receive combustion products generated by the burner;
- an intake air conduit substantially sealingly connected to the combustion chamber and having a combustion air intake opening located adjacent an upper portion of the water heater;
- a dilution air conduit substantially sealingly connected to the blower and having a dilution air intake opening;
- and
- a flammable vapor sensor having at least an operative portion positioned in and/or at the blower assembly.
A water heater comprising:
- a water container;
- a combustion chamber adjacent the water container;
- a burner associated with the combustion chamber;
- a blower assembly located to receive combustion products generated by the burner;
- an intake air conduit substantially sealingly connected to the combustion chamber and having a combustion air intake opening located adjacent an upper portion of the water heater;
- a dilution air conduit substantially sealingly connected to the blower and having a dilution air intake opening;
- a connector positioned between the blower assembly and the dilution air conduit;
- and
- a flammable vapor sensor having at least an operative portion positioned in and/or at the connector.
A water heater comprising:
- a water container;
- a combustion chamber adjacent the water container;
- burner associated with the combustion chamber;
- a blower assembly located to receive combustion products generated by the burner;
- an intake air conduit connected to the combustion chamber and having a combustion air intake opening;
- a dilution air conduit connected to the blower assembly and having a dilution air intake opening;
- and
- a flammable vapor sensor having at least an operative portion positioned in and/or at the blower assembly or the dilution air conduit.
Dependencies are inferred from the claim text.