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:
Jul. 11, 1978
Filed:
Apr. 20, 1977
Jose A Carnewal, Eeklo, BE;
Etienne R Hommez, Oostende, BE;
Sperry Rand Corporation, New Holland, PA (US);
Abstract
The invention relates to a rotary air filter for use in combination with a cooling radiator or another cooling device and which has to operate in a dusty atmosphere. The rotary air filter comprises a hollow rotary structure having a perforated rotary filter element mounted on the intake side of a fan operable to draw air through the filter element, the rotary structure having a generally unobstructed inner surface lengthwise thereof, and a discharge opening being provided adjacent the fan and generally in line with said unobstructed inner surface for enabling the discharge therethrough of foreign material entering through the perforations in the rotary filter element.