Sensing apparatus of bourdon pressure gauge

Details Sensing apparatus of bourdon pressure gauge Sensing apparatus of bourdon pressure gauge

2007-05-15

2010-12-14

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Bourdon

Reexamination Certificate

active

07849750

ABSTRACT:
A sensing apparatus of a Broudon pressure gauge is disclosed, which comprises a magnet which has a N pole and a S pole at one end between both ends of the shaft which its connected with the displacement gear and rotates; a sensing unit which is provided in the body at a portion corresponding to the magnet and is disposed on at least three portions in circular directions and includes an AMR sensor or hall sensor for sensing the rotation value of the magnet; and a display control unit which receives a sine signal value and a cosine signal value among phase signal values from the sensors of the sensing unit and corrects the phase values and outputs to the LCD.

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patent: 10-2006-0037063 (2006-05-01), None

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