×

Standing pilot furnace with vented vestibule

  • US 5,293,860 A
  • Filed: 09/04/1992
  • Issued: 03/15/1994
  • Est. Priority Date: 09/04/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. An induced draft, fuel-fired furnace having a heat exchanger with an inlet and an outlet, said furnace comprising:

  • a vent having an inlet;

    a burner;

    a vented vestibule in fluid communication with said vent;

    a blower having an inlet in fluid communication with the heat exchanger outlet, and an outlet disposed at the inlet of said vent, said blower outlet having a cross-sectional area smaller than said vent inlet, said vent inlet and blower outlet defining a vent inlet opening; and

    a standing pilot disposed in said furnace such that combustion products produced thereby are in fluid communication with said vent inlet opening, said standing pilot adapted to ignite fuel operably discharged from said burner.

View all claims
  • 7 Assignments
Timeline View
Assignment View
    ×
    ×