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:
Jun. 22, 1982
Filed:
Oct. 06, 1980
Applicant:
Inventors:
Friedhelm Huebner, Bochum-Riemke, DE;
Karl-Heinz Weiffen, Bochum-Riemke, DE;
Assignee:
Klockner-Humboldt-Deutz AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
209500 ; 251137 ;
Abstract
An air valve for a wet settling machine includes a trapezoidal cross-section valve seat and a valve disk carried on a shaft. The shaft is directly actuated in alternate directions via an electromagnet surrounding the shaft and including a pair of oppositely poled magnetic sections.