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. 03, 2018
Filed:
Oct. 02, 2016
Applicant:
Cummins Inc., Columbus, OH (US);
Inventor:
Nimish Bagayatkar, Carmel, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 39/08 (2006.01); F01K 23/06 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
F02B 39/085 (2013.01); F01K 23/065 (2013.01); F16H 57/0436 (2013.01); F16H 57/0441 (2013.01); F16H 57/0445 (2013.01);
Abstract
A lubrication system and method for an engine are provided. In some embodiments, the lubrication method comprises driving a lube pump with a gearbox in a power drive housing, the gearbox including an expander shaft of an expander of a waste heat recovery system; suctioning lubrication fluid, with the lube pump, from a lube sump in the power drive housing; lubricating, with the lubrication fluid, an expander shaft bearing supporting the expander; and after lubricating the expander shaft bearing, transferring the lubrication fluid to the lube sump.waste heat recovery power drive and lubrication system therefor.