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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Walter Divisi0
Date of Patent
March 30, 2010
0Patent Application Number
121208690
Date Filed
May 15, 2008
0Patent Primary Examiner
Patent abstract
The device for counting the strokes of a piston sliding within a cylinder comprises a support housing a magnet which generates a magnetic field. The support also houses a sensor arranged to sense the magnetic field, such that the passage of the piston into a position corresponding with the magnet causes a disturbance in the magnetic field, which is sensed by the sensor, to indicate a stroke of the piston.
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