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Pressure limiting valve

  • US 4,194,527 A
  • Filed: 11/17/1977
  • Issued: 03/25/1980
  • Est. Priority Date: 11/29/1976
  • Status: Expired due to Term
First Claim
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1. A pressure limiting valve comprising a valve housing having therein a passage opening;

  • a valve disk for closing said passage opening;

    a rod shaped guide member attached to said valve disk;

    first and second means each having a guide passage therein attached to the valve housing for guiding the respective ends of said rod shaped guide member;

    an abutment disposed about said rod shaped guide member between and spaced from said first and second means for sliding motion thereon;

    a coil spring disposed between said abutment and said valve disk for holding said valve disk against said passage opening;

    a setting screw engaging said abutment for adjusting the position of said abutment to determine the operating pressure of the pressure limiting valve; and

    means causing said guide member and said abutment to be tilted relative to each other such that said guide member slides within said abutment with friction.

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