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:
Apr. 14, 2009
Filed:
Sep. 13, 2004
Li-chieh Hsu, Taipei, TW;
Chien-ching Hsueh, Hsinchu, TW;
Jia-ruey Wu, Hsinchu, TW;
Hung-ying Jan, TaiChung, TW;
Li-Chieh Hsu, Taipei, TW;
Chien-Ching Hsueh, Hsinchu, TW;
Jia-Ruey Wu, Hsinchu, TW;
Hung-Ying Jan, TaiChung, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
The invention provides a high-speed rotor assembly for an overhung centrifugal compressor comprising a housing, a rotor component, an oil film damper and an impeller, which is adapted for connecting to a power output mechanism, wherein the rotor component is arranged inside the housing, and the oil film damper is disposed between the impeller and the rotor component, and the impeller is coupled to the rotor component. The rotor component further comprises a sleeve, a first bearing, a second bearing, a transmission shaft, a plurality of resilient elements and a spacer, wherein an end of the sleeve is connected to one of the circular rib by a screw while another end thereof is handing freely, and a oil film damper is disposed between the sleeve and another circular rib. Moreover, the first bearing and the second bearing are respectively arranged at the two side of the sleeve, and the spacer is arranged between the two bearings with the two end thereof respectively abutted against the inner races of the two bearings. Further, the transmission shaft is disposed passing through the spacer and the two bearings, and the impeller is disposed at the second side of the housing and is coupled to an end of the transmission shaft.