(Fuel efficient rapid response water heating module)
This patent describes a fuel efficient rapid response water heating module. It comprises: a water heating tank; a burner cavity disposed within the water heating tank; a burner disposed within the burner cavity; means for supplying a mixture of fuel and air to the burner; preheater jacket means, surrounding the water heating tank; flue means disposed within the water heating tank forming a path for the transfer of combustion gases from the burner cavity to the preheater jacket means; means for supplying cold water to the module; outlet means for providing service hot water from the module; preheater means disposed within the preheater jacket means both to preheat water coming into the module from the cold water supply means and to condense combustion gases within the jacket means; means for transferring preheated water from the preheater jacket means to the water heating tank; means, in flow communication with the preheater jacket means, for draining condensate from the preheater jacket means; and means for causing a flow of the fuel and air mixture to the burner and for causing a flow of combustion gases from the burner cavity, through the flue means and through the preheater jacket means to the atmosphere.
- Assignee:
- Carrier Corp., Syracuse, NY (USA)
- Patent Number(s):
- A; US 4993402
- Application Number:
- PPN: US 7-451654
- OSTI ID:
- 5557528
- Country of Publication:
- United States
- Language:
- English
Similar Records
Submersible chamber water heater
High efficiency water heater