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. 28, 2015
Filed:
Sep. 29, 2011
Mortimer Williams, Sturbridge, MA (US);
Thomas C. Wojtkowski, Jr., Shrewsbury, MA (US);
Robert Mase, Spencer, MA (US);
Peter N. Osgood, Westborough, MA (US);
Mortimer Williams, Sturbridge, MA (US);
Thomas C. Wojtkowski, Jr., Shrewsbury, MA (US);
Robert Mase, Spencer, MA (US);
Peter N. Osgood, Westborough, MA (US);
Siemens Industry, Inc., Alpharetta, GA (US);
Abstract
Rolling mill bearings incorporate bearing bushings with pluralities of hydrostatic pad recesses, that are preferably in conjunction hydrodynamic bearings also formed within the bushing. Each recess has an isolated lubricant passage that is adapted for coupling to a separate isolated source of pressurized lubricant. In some embodiments herein, the isolated pressurized lubricant source is supplied by a dedicated outlet of a pressure pump. In this manner each hydrostatic pad recess has a dedicated pressurized lubricant supply that is not interrupted by loss of lubricant pressure events in other bearing pads or elsewhere within the rolling mill lubrication system.