Patent · US Expired

Furnace

US4292933A · kind A · utility

4Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1979
Grant dateOct 6, 1981
Priority date
Expiry dateNov 8, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/901
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A furnace with a combustion compartment and a heat exchanger compartment connected by a channel having a secondary air inlet for efficiently burning wood and absorbing the heat of combustion.

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