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:
Sep. 29, 1989
Applicant:
Inventor:
Robert I Potter, San Jose, CA (US);
Assignee:
Alum Rock Technology, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137 82 ; 25112908 ;
Abstract
A nozzle and pole piece are formed from a single magnetic part so that the ends of the nozzle and pole piece are substantially coplanar. When used with a current-to-pressure transducer, the coplanar design allows proper alignment of the diaphragm employed for sealing the nozzle without canting and misalignment of the diaphragm. The integral nozzle and pole piece structure is relatively easy to machine and manufacture.