Patents by Inventor Russell George Lewis

Russell George Lewis 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).

  • System and method for rapid defrost or heating in a mobile refrigeration unit
    Patent number: 6684650
    Abstract: A method and system for executing a hot gas heating cycle in a mobile refrigeration unit includes diverting a flow of hot gas by bypassing a condenser into a receiver and restricting the flow, thereby raising a discharge pressure and temperature of the unit. The discharge pressure of the unit is monitored, and the restriction is regulated when the discharge pressure reaches a predetermined pressure. A combination of small and large orifice hot gas valves is used, or optionally a hot gas stepper valve. A solenoid valve or an evaporator expansion valve is optionally used to meter refrigerant into the heat loop.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: February 3, 2004
    Assignee: Carrier Corporation
    Inventors: Paul Valentine Weyna, Richard Alan Simone, Russell George Lewis
  • System and method for rapid defrost or heating in a mobile refrigeration unit
    Publication number: 20030136137
    Abstract: A method and system for executing a hot gas heating cycle in a mobile refrigeration unit includes diverting a flow of hot gas by bypassing a condenser into a receiver and restricting the flow, thereby raising a discharge pressure and temperature of the unit. The discharge pressure of the unit is monitored, and the restriction is regulated when the discharge pressure reaches a predetermined pressure. A combination of small and large orifice hot gas valves is used, or optionally a hot gas stepper valve. A solenoid valve or an evaporator expansion valve is optionally used to meter refrigerant into the heat loop.
    Type: Application
    Filed: January 24, 2002
    Publication date: July 24, 2003
    Applicant: Carrier Corporation
    Inventors: Paul Valentine Weyna, Richard Alan Simone, Russell George Lewis