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:
Feb. 12, 1980
Filed:
Jul. 20, 1978
James E Smith, Boulder, CO (US);
S & F Associates, Boulder, CO (US);
Abstract
Apparatus and method for mass flow measurement utilizing a substantially 'U' shaped conduit mounted in a cantilever manner at the legs thereof, means for oscillating the conduit, and means for measuring the Coriolis force by measurement of the force moment or the angular motion of the conduit around an axis substantially symmetrical to the legs of the conduit. The force moment is measured by sensing incipient movement around the axis, and generating and measuring a nulling force. In preferred embodiments, the oscillating means are mounted on a spring arm having a natural frequency substantially equal to that of the 'U' shaped conduit, and in a particularly preferred displacement the measuring means are sensors mounted on the 'U' shaped conduit and adapted to measure, with proper direction sense, the time differential between the leading and trailing portions of the 'U' shaped conduit passing through the plane of the 'U' shaped conduit at substantially midpoint of the oscillation thereof.