Patents by Inventor Gunnar Ernst Rudolf Olsen

Gunnar Ernst Rudolf Olsen 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).

  • Control system for charging and discharging an electric storage heater
    Patent number: 4097719
    Abstract: An electric storage heater assembly which includes a core and a resistance heater for the core. A charging switch is in series with the resistance heater and an electric comparator for operating the switch has two inputs connected to first and second controls which are responsive to the instantaneous temperature of the core and the final temperature of the core for the preceding charging period. The first comparator input is also connected to auxiliary controls which sense indoor and outdoor temperatures and provide signals which are summed with the signal which represents the core temperature.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: June 27, 1978
    Assignee: Danfoss A/S
    Inventors: Gunnar Ernst Rudolf Olsen, Poul Christian Carlos Iversen, Bertel Birker