Monitoring and control of fluid driven tools

Details Monitoring and control of fluid driven tools Monitoring and control of fluid driven tools

G - Physics

01

F

G01F 1/44 (2006.01) B25B 23/14 (2006.01) B25B 23/145 (2006.01) G06F 15/46 (1990.01)

Patent

CA 2101984

ABSTRACT OF THE DISCLOSURE A system for monitoring and/or controlling the torque applied by a fluid driven tool for driving threaded fasteners, such as tools driven by either air or oil. The system includes a fluid flow meter to measure a parameter which is a function of the rate of fluid flow into the tool during operation of the tool, a transducer for converting the measured parameter into an electrical signal, and a data processing unit for processing that electrical signal into a signal representative of the torque applied by said tool. A system for digitally processing the measured parameter and comparing it to predetermined expected parameters to infer the condition of the fluid driven tool and for reporting that inferred condition is also included. The system is applicable to both nutrunner type fluid tools and impact wrenches.

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