Patent · US Expired

Gas fired furnace

US4674475A · kind A · utility

10Cited by
7References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 1985
Grant dateJun 23, 1987
Priority date
Expiry dateOct 31, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/00
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A direct-fired make-up furnace comprises a cabinet which houses an air blower. A gas fired burner located in a sloped passage, which is formed by walls of a return air compartment and a by-pass air compartment, radiates heat at an angle relative to the blower. The return air compartment substantially blocks direct radiation of the burner. An exit opening of the by-pass air compartment is located between the burner and the blower.

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