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Valve assembly integrated into a coolant pump and method for controlling the same

  • US 10,227,987 B2
  • Filed: 11/30/2017
  • Issued: 03/12/2019
  • Est. Priority Date: 12/16/2016
  • Status: Active Grant
First Claim
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1. A pump assembly fluidly coupled to an engine of a vehicle for moving a fluid, said pump assembly comprising:

  • a pump housing defining an outlet;

    an impeller disposed in said pump housing for moving the fluid in said pump housing towards said outlet; and

    a valve assembly integrated with said pump housing, said valve assembly comprising;

    a barrel disposed in said pump housing and defining at least one inlet configured to provide controlled flow of the fluid into said pump housing;

    a sleeve disposed in said barrel and rotatably coupled to said barrel for selectively controlling the flow of the fluid into said at least one inlet of said barrel, wherein said sleeve is configured to rotate between a first position and a second position;

    an actuator assembly operably coupled to said sleeve and configured to rotate said sleeve between said first position and said second position; and

    an adaptor seal disposed about said barrel for preventing leakage of the fluid between said barrel and said pump housing.

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