Patents by Inventor Carl M. Singer

Carl M. Singer 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).

  • Rotary impeller pump or motor with counterbalancing chamber in thrust plate bearing counterbore
    Patent number: 4337018
    Abstract: A rotary impeller pump or motor is provided having a case, a pair of rotary impellers in said case, a plate having a first face divided by lands into a plurality of chambers against corresponding ends of the impellers and a second face having two counterbores around the rotary impellers, annular seal means intermediate the ends of each counterbore forming a pair of chambers within the counterbore, opposed inlet and outlet ports in said case whereby said plate is balanced in pressure on opposite sides by fluid in said chambers on the first face and the counterbores.
    Type: Grant
    Filed: January 29, 1980
    Date of Patent: June 29, 1982
    Assignee: Commercial Shearing, Inc.
    Inventors: Carl M. Singer, Mateiu J. Oana, John D. Turko
  • Rotary impeller or motor with pressure balanced end plates
    Patent number: 4292013
    Abstract: A rotary impeller pump or motor is provided having a case, a pair of rotary impellers in said case, a plate having a first face divided by lands into a plurality of chambers against corresponding ends of the impellers and a second face divided by sealing means into a similar plurality of chambers between the plate and case, opposed inlet and outlet ports in said case whereby said plate is balanced in pressure on opposite sides by fluid in said chambers on the first and second faces.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: September 29, 1981
    Assignee: Commercial Shearing, Inc.
    Inventors: Carl M. Singer, Edward J. Ratkay