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:
Oct. 23, 1990
Filed:
Jul. 19, 1989
Applicant:
Inventor:
Thomas O Kautz, Mequon, WI (US);
Assignee:
Johnson Service Company, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; F16K / ; G05D / ;
U.S. Cl.
CPC ...
310 13 ; 137 82 ; 25112901 ;
Abstract
In an electropneumatic transducer, an adjustment spring is used for offsetting the coil in relation to a pneumatic system leakport simply and without hysteresis. One end of the spring supports the suspension element on which the coil is positioned. The offset adjusting spring includes a folded region near the end mounted to the transducer body. A screw mechanism is positioned to compress the sides of the fold toward each other when turned in one direction and allow the sides of the fold to open when turned in the opposite direction. Movements of the sides of the fold flex the adjustment spring, causing the offset to vary adjustably.