Valve assembly

Valve assembly

  • CN 1,864,020 B
  • Filed: 10/08/2004
  • Issued: 03/05/2014
  • Est. Priority Date: 10/09/2003
  • Status: Active Grant
First Claim
Patent Images

1. a valve assembly, it comprises:

  • The hole part that limits first surface, described hole part has import and outlet;

    The plunger that can move relative to described hole part;

    The first guide spring between described hole part and described plunger, and a part for described the first guide spring is attached to the first end of described plunger, described the first guide spring limits second surface, described second surface can be directly against described first surface sealing, to stop the fluid between described import and described outlet to flow, and wherein, on described the first guide spring, etch two obstructed flat openings, to reduce the overlapping surperficial distortion of described the first guide spring during described the first guide spring is attached to described plunger.

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