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. 17, 2009
Filed:
Sep. 09, 2002
Applicant:
Raymond Kohler, Souderton, PA (US);
Inventor:
Raymond Kohler, Souderton, PA (US);
Assignee:
Siemens Energy & Automation, Inc., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 11/01 (2006.01); G05D 11/00 (2006.01); G05D 7/00 (2006.01); G05D 3/12 (2006.01); G05D 16/06 (2006.01); F17D 1/16 (2006.01); F16K 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An x to pressure converter that uses valves oscillating between open and closed positions in a pulse width modulated mode, to force the output pressure to equal the input X.