Patents Assigned to Alcoa Separations Technology, Inc.
  • Patent number: 5171134
    Abstract: A pulse dampener for use in a pumping system including a reciprocating pump comprising a body having a cavity formed therein and a cover for sealed connection with the body. A diaphragm is secured between the body and the cover for sealing the cavity from said cover. The cover includes an inlet and outlet and the cover and the diaphragm cooperate to define a liquid flow path through the pulse dampener. The body also includes a gas inlet means for receiving gas into a chamber defined by the cavity and the diaphragm. A gas is supplied into the chamber such as to provide a smooth flow through the pumping system. An associated method is also provided.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: December 15, 1992
    Assignee: Alcoa Separations Technology, Inc.
    Inventors: James R. Morgart, Ronald D. Picht