Air Casing Patents (Class 237/30)
  • Space heating unit for recreational vehicles
    Patent number: 5170773
    Abstract: A space heating unit is designed for use in a recreational vehicle and particularly to operate in conjunction with a cooking stove wherein the heating unit has a housing which is placed over a pair of burners and air flow ducts extend across the housing above the burners to draw air from the room upwardly through the ducts and across the housing in order to heat the air and discharge it into the room. The upper end of the housing communicates with an exhaust duct and has a baffle to regulate the rate of air flow through the housing.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: December 15, 1992
    Inventor: Herbert A. Harris
  • Slim-line van heater/air conditoner unit
    Patent number: 4842046
    Abstract: A vehicle heater/air conditioner which includes heating and cooling coils enclosed within a housing and in flow communication with a blower member which pushes air through the housing. The housing containing the heating and cooling coils is positioned generally between the inner and outer vehicle side walls for conservation of space.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: June 27, 1989
    Assignee: Quality Components, Inc.
    Inventor: James D. Stech