Patents by Inventor Dennis R. Penge

Dennis R. Penge 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).

  • Suction service valve
    Patent number: 5829265
    Abstract: A service valve for isolating the compressor of a chiller system from a flooded evaporator cooler that includes a suction pipe mounted in the top section of the evaporator that extends downwardly into the evaporator shell and a shut-off valve mounted inside the shell that is arranged to close against the bottom opening of the suction pipe. The valve is connected by linkage to a shaft that passes through the suction pipe outside the evaporator which when rotated, permits the valve to be opened and closed.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: November 3, 1998
    Assignee: Carrier Corporation
    Inventors: Richard G. Lord, Dennis R. Penge
  • Internal oil separator for a refrigeration system condenser
    Patent number: 5704215
    Abstract: An oil separator for a refrigeration system having a screw compressor for pressurizing and circulating refrigerant through the system, an evaporator, a condenser and an oil separator. The oil separator is placed within the housing of the condenser.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: January 6, 1998
    Assignee: Carrier Corporation
    Inventors: Richard G. Lord, David L. Waugh, Dennis R. Penge