Stepper motor gauge
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United States of America Patent
Stats
-
Mar 26, 2013
Grant Date -
Sep 27, 2012
app pub date -
Mar 21, 2011
filing date -
Mar 21, 2011
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gauge includes a housing and a fitting having an inlet, an internal flow path, and an outlet. A sensor is in fluidic communication with the internal flow path and measures a characteristic of a fluid in the flow path. A control unit is in electrical communication with the pressure sensor, receives an output from the pressure sensor and generates a command based on the output received. A stepper motor has a rotor shaft with an indicator needle operatively connected thereto, and is in electrical communication with the control unit. A power supply is in electrical communication with the pressure sensor, the motor and the control unit for supplying power thereto. The control unit transmits the command to the stepper motor, which receives the command from the control unit and drives the rotor shaft according to the command, displaying the sensed characteristic via the needle.
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