Patents by Inventor Rowland E. Ball

Rowland E. Ball 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).

  • Multiple stage pump
    Patent number: 4190395
    Abstract: A multiple stage pump having pumping means in an inner case which is removable from the outer case to which supply and discharge conduits are respectively connected to an inlet port and an outlet port without disturbing the conduit connections. The pump stages comprise a first or booster stage having multiple impellers and a second stage of a single impeller, the impellers of the first and second stages being connected to and driven by different shafts, the speeds of which can be independent of one another.
    Type: Grant
    Filed: April 28, 1978
    Date of Patent: February 26, 1980
    Assignee: Borg-Warner Corporation
    Inventor: Rowland E. Ball
  • Multi-flow, multi-path heat exchanger for pump-mechanical seal assembly
    Patent number: 4005747
    Abstract: A multi-flow, multi-path heat exchanger which surrounds the shaft of a coolant pump and is located between the pump impeller and a mechanical seal assembly for cooling hot liquid from the pump chamber flowing along the shaft to the mechanical seal assembly. The heat exchanger finds particular use with high-temperature, high-pressure pumps or with other pumps in which similar heat problems occur.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: February 1, 1977
    Assignee: Borg-Warner Corporation
    Inventor: Rowland E. Ball
  • Cooled seal cartridge
    Patent number: 3941395
    Abstract: A mechanical seal cartridge applicable for a pump-motor combination which cartridge has a stub shaft adapted to be connected at one end to the motor shaft and at the other end to the pump shaft and which is enclosed in a housing located between the motor and the pump, the housing having an opening permitting access to the cartridge whereby it may be replaced as a unit.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: March 2, 1976
    Assignee: Borg-Warner Corporation
    Inventors: Rowland E. Ball, Winfred J. Wiese