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. 15, 1991
Filed:
Dec. 04, 1987
Applicant:
Inventor:
Erik B Dahlin, San Jose, CA (US);
Assignee:
Exac Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386138 ;
Abstract
A Coriolis mass flow rate measuring apparatus including one or more detecting means (46), (48), (56) for detecting conduit detection portion velocities caused by Coriolis forces exerted by a mass flowing through the oscillating conduit, and means (54) operative to measure the time differences between said first and second points in time when respective velocity signals have zero velocity and to use such measurements according to the formula ##EQU1## to indicate the mass flow rate.