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:
Apr. 03, 1984
Filed:
Sep. 23, 1982
Applicant:
Inventors:
Brian G Donnelly, West Suffield, CT (US);
Charles F Stearns, East Longmeadow, MA (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137501 ; 137468 ;
Abstract
Variations in pressure drop set by an inline pressure regulating valve (70) are minimized by a spring (97) having a rate which is a select function of certain characteristics of the geometry of the flow controller and the fluid flows required to be handled thereby.
Quick Actions:
Donnelly, Brian. (1984). Minimization of pressure drop variation in flow controllers (U.S. Patent No. 4440192). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4440192
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