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Intermittent vacuum regulator with timing module

DC
  • US 5,599,308 A
  • Filed: 09/19/1995
  • Issued: 02/04/1997
  • Est. Priority Date: 09/19/1995
  • Status: Expired due to Term
First Claim
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1. An intermittent vacuum regulator having a timing module in combination with a valve means for controlling the position of said valve means between one of two states, said module comprising:

  • a base plate having a plurality of channels and apertures for conveying vacuum pressure in a first state or ambient state in a second state;

    a diaphragm assembly coupled thereto;

    a gear coupled to a lever arm that is in contact with said valve means;

    said diaphragm assembly having a diaphragm, coupled to said gear, that is exposed to a vacuum source and ambient pressure alternately said diaphragm disposed within said diaphragm assembly to form a movable wall of said diaphragm assembly, said alternating exposure causing said gear to move in a first direction or a second direction, respectively, movement in said first direction defining an off time and movement in said second direction defining an on time and also defining a timing ratio.

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