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:
Jul. 21, 1981
Filed:
Oct. 12, 1979
John S Wyler, Andover, MA (US);
Richard A Pfuntner, Alfred, ME (US);
General Electric Company, Wilmington, MA (US);
Abstract
A mass rate of flow meter including an unrestrained rotor and a restrained turbine and including a magnetic coupling for generating signals in a sensing coil when a predetermined point on the rotor passes a predetermined point on the turbine. A sensing means includes a sensing coil that is in a magnetic circuit with the magnetic means and a series bucking coil that is electrically in series with the sensing coil but magnetically isolated from the magnet means. A copper sheet formed as a shorted turn is disposed between the sensing and bucking coils. A mass rate of flow meter with this structure provides signals that are relatively insensitive to electromagnetic interference.