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. 14, 1983
Filed:
Aug. 28, 1981
Heinz Bauer, Munich, DE;
Kurt Herter, Eichenau, DE;
Bauer-Kompressoren GmbH, Munich, DE;
Abstract
A three-stage disposable filter cartridge for filtering a gaseous fluid, especially breathable compressed air, and consisting of a preferably cylindrical housing having at least an inlet and an outlet, the interior of the housing being provided with a plurality of concentrically disposed separate chambers containing different types of filtering media and mutually arranged such that the fluid to be filtered flows sequentially through the individual chambers one after another in a labyrinth-like path. The first chamber contains a filtering medium providing coarse de-humidification of the fluid, the second chamber contains an oil vapor adsorbing medium and the third chamber contains a fine de-humidification medium.