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:
May. 08, 2012
Filed:
May. 02, 2006
Serge Kup, Nykvarn, SE;
Mats-orjan Pogen, Billegerga, SE;
Ingvar Hallgren, Tumba, SE;
Alfa Laval Tumba AB, Tumba, SE;
Abstract
The invention relates to an apparatus () for purifying gas while bleeding a crank housing, said apparatus () comprising a housing () inside which a separator chamber () is provided, a rotor arrangement with a rotor shaft () that is rotatably mounted in the housing and a centrifugal rotor () located in the separator chamber (), and a fluid driving device () for driving the rotor shaft () by means of a driving fluid, the driving device () being disposed in a driving chamber () that is separated from the separator chamber () by means of a housing partition (), and the rotor shaft () extending through a breakthrough in the housing partition (). In the case of this device, it is provided that a labyrinth-type seal () is provided in the zone of the breakthrough in order to seal the driving chamber () from the separator chamber ().