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:
Aug. 12, 2008
Filed:
Aug. 25, 2005
Bjorn Pettersson, Vallda, SE;
Filip Rosengren, Gothenburg, SE;
Bjorn Pettersson, Vallda, SE;
Filip Rosengren, Gothenburg, SE;
Aktiebolaget SKF, Gothenburg, SE;
Abstract
The invention refers to a pressure compensating device () for a bearing housing, which is incorporating a sealed off compartment, and which device is intended to compensate pressure variations in the sealed off compartment, wherein the device () incorporates a housing (), in which is positioned a bellows () of flexible material, which housing () has at least one first opening () through which the interior of the bellows () communicates with the side of the bearing housing where a varying pressure can be expected, and wherein the bellows () further is associated with an additional opening (), adapted to allow the bellows () to alter its momentary form for compensating such pressure variations.