Patents by Inventor Dayton E. Bloomquist

Dayton E. Bloomquist 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).

  • Refrigeration/air exchanger system maintaining two different temperature compartments
    Patent number: 4553584
    Abstract: The specification discloses a novel refrigeration/air exchanger unit (30) adapted for use with a main refrigeration unit (28) of a trailer truck (10) including frozen and refrigerated compartments (20, 22) to maintain the refrigerated compartment at a predetermined temperature above freezing without an auxiliary refrigeration unit. The system (30) includes a duct (34) interconnecting the compartments, a fan (44) for drawing cold air from the freezer compartment into the refrigerated compartment to lower the temperature therein, and another fan (62) and associated heating element (72) in the refrigerated compartment for modulating the temperature therein. The fans (44, 56) and heating element (72) are automatically controlled responsive to circuitry including a thermostat (78).
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: November 19, 1985
    Assignee: Red Owl Stores, Inc.
    Inventor: Dayton E. Bloomquist