Patent · US Expired

Water heater with air intake and exhaust system

US7159540B2 · kind B2 · utility

4Cited by
15References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 2004
Grant dateJan 9, 2007
Priority date
Expiry dateOct 20, 2024

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23M2900/11021
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A water heater including 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 conduit sealingly connected to the combustion chamber and having a combustion air intake opening located adjacent an upper portion of the water heater; and a dilution air conduit sealingly connected to the blower assembly and having a dilution air intake opening located adjacent a lower portion of the water heater.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.