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:
Mar. 20, 1990
Filed:
Jul. 13, 1988
Applicant:
Inventor:
Walker A Messick, Indianapolis, IN (US);
Assignee:
Flotec, Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251206 ; 251205 ;
Abstract
An improvement in the orifice assembly of a high pressure gas flow meter configures the orifice assembly with a plurality of brass disks arranged in a circular array with orifices of different diameters through the brass disks to provide a variety of gas flow rates through the orifice assembly. Each disk is held in position by an O-ring disposed between the disks and a retaining plate fixed to the rotor.