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Sliding gate valve

  • US 7,017,886 B1
  • Filed: 03/17/2004
  • Issued: 03/28/2006
  • Est. Priority Date: 03/17/2004
  • Status: Active Grant
First Claim
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1. A sliding gate valve, said valve comprised of:

  • a valve body having an inlet and an outlet;

    a cavity extending longitudinally through at least a portion of said valve body, wherein said cavity is in fluid communication with said inlet and said outlet;

    a gate slidably moveable within said cavity, said gate having a blocking portion, a conduit portion, a first post, and a second post, said first post connected to a first end of said gate, and said second post connected to a second end of said gate;

    a first sealing gasket in contact with a first surface of said cavity and a first surface of said gate;

    wherein said first end of said gate is on an end opposite said second end of said gate;

    wherein movement of said first post or said second post operatively moves said slidably movable gate within said cavity;

    wherein said first post is smaller than said second post;

    wherein a first portion of said first sealing gasket extends around a perimeter of said conduit portion;

    wherein a second portion of said first sealing gasket extends around a perimeter of said blocking portion;

    wherein a flow of a fluid between said inlet and said outlet is generally transverse to said longitudinal extension of said cavity; and

    wherein a passage for said flow of a fluid through said valve is provided when said conduit portion of said gate is aligned with said inlet and said outlet.

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