The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 1997
Filed:
Dec. 04, 1992
Angelo L Tambini, Manor Kilbride, IE;
John Linehan, Horsham, PA (US);
Ingersoll-Rand Company, Woodcliff Lake, NJ (US);
Abstract
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.