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WIRELESS LIQUID LEVEL SENSING ASSEMBLIES AND GRINDER PUMP ASSEMBLIES EMPLOYING THE SAME

  • US 20080290011A1
  • Filed: 05/14/2007
  • Published: 11/27/2008
  • Est. Priority Date: 05/14/2007
  • Status: Active Grant
First Claim
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1. A liquid level sensing assembly for wirelessly transmitting a plurality of signals based on a changing level of wastewater in a tank to a first coil of a transceiver/controller of a grinder pump, said liquid level sensing assembly comprising:

  • at least one liquid level sensor operable in response to the changing level of the wastewater in the tank;

    a second coil positionable adjacent to the first coil of the transceiver/controller of the grinder pump; and

    a transponder for extracting electrical energy using said second coil in response to the first coil, said transponder operably connected to said at least one liquid level sensor and operable to wirelessly transmit from said second coil to the first coil said plurality of signals based on the state of the at least one liquid level sensor due to the changing level of the wastewater in the tank.

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