×

Space heater

  • US 6,089,221 A
  • Filed: 07/02/1999
  • Issued: 07/18/2000
  • Est. Priority Date: 07/06/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A space heater comprising:

  • a casing;

    a heat exchanger disposed in said casing and having heating means for heating air;

    a fan for drawing air from within a room into said casing and discharging hot air heated by said heating means into the room;

    room temperature detecting means for detecting a temperature in the room; and

    heating operation control means for controlling operation of said heating means based on the temperature detected by said room temperature detecting means;

    said heating operation control means having freeze prevention mode control means comprising;

    freeze prevention temperature setting means for setting a freeze prevention temperature to prevent indoor facilities from being frozen;

    start control means for starting to operate said heating means when the temperature detected by said room temperature detecting means is equal to or lower than said freeze prevention temperature; and

    lower-limit amount-of-heat setting means for setting an amount of heat that is greater than an amount of heat with which moisture condensation occurs in said heat exchanger, as a lower limit for an amount of heat in said heating means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×