Patents by Inventor John F. Kalmbach

John F. Kalmbach has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4947657
    Abstract: An auxiliary air conditioning system is provided for vehicles having a primary air conditioning system. The vehicle's primary air conditioning system includes a primary compressor powered by the vehicle engine through a suitable mechanical linkage, a primary condenser, a primary evaporator and blower, and a cooled air distribution system. A preferred auxiliary air conditioning system, according to the invention, is incorporated into the primary air conditioning system and adapted to provide refrigerated air conditioning when the primary compressor and vehicle engine are not operating. One preferred auxiliary air conditioning apparatus includes an auxiliary compressor powered by an auxiliary compressor electric motor, and an auxiliary condenser and electric powered condenser fan. The auxiliary compressor is connected for receiving evaporated refrigerant from the primary evaporator, compressing the refrigerant, and delivering the compressed refrigerant to the auxiliary condenser for condensing.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: August 14, 1990
    Inventor: John F. Kalmbach