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Hydraulic Oscillator For Use in a Transmitter Valve

  • US 20070052550A1
  • Filed: 09/06/2005
  • Published: 03/08/2007
  • Est. Priority Date: 09/06/2005
  • Status: Active Grant
First Claim
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1. A transmitting element in flowing fluid comprising:

  • a. a pulser comprising i. a chamber;

    ii. a driver piston in the chamber;

    iii. a poppet coupled to and driven by the driver piston; and

    iv. an orifice adjacent the poppet; and

    b. a bistable valve between the chamber and an outlet port, the bistable valve comprising;

    i. a sense element sensing the pressure within the chamber; and

    ii. a toggle mechanism determining a first position for the bistable valve at a lower pressure within the chamber and a second position for the bistable valve at a higher pressure within the chamber.

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