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:
Dec. 15, 1981
Filed:
Apr. 27, 1979
Applicant:
Inventors:
Assignee:
Pierburg Luftfahrtgerate Union GmbH, Neuss am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386183 ;
Abstract
A volumetric direct gas meter is driven by a servomotor and the rotational speed of the motor is regulated in response to the pressure differential between the inlet and outlet ports of the meter so that the pressure tends to zero.