Patents by Inventor Gustaf B. Lundstrom

Gustaf B. Lundstrom 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).

  • Device for preventing icing in an air conditioning unit for motor vehicles
    Patent number: 4350021
    Abstract: A device for preventing icing in a thermostat-controlled evaporator in an air conditioning unit for motor vehicles including a first sensor for sensing the speed of the air through the evaporator and preferably also a second sensor for sensing the humidity of the air. A control unit sets the thermostat to a lowest permissible evaporator temperature which is dependent on the speed and humidity of the air.
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: September 21, 1982
    Assignee: AB Volvo
    Inventor: Gustaf B. Lundstrom
  • Auxiliary device for climate-control units in motor vehicles
    Patent number: 4343230
    Abstract: An auxiliary device for climate-control units in motor vehicles. The device is coupled to an air duct leading from the fan of the unit to the floor space in front of the back seat. The device comprises a fan which draws air through the duct and blows it out into the passenger space in front of the back seat.
    Type: Grant
    Filed: January 15, 1980
    Date of Patent: August 10, 1982
    Assignee: AB Volvo
    Inventor: Gustaf B. Lundstrom