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. 10, 2021
Filed:
Sep. 17, 2019
Fluid Equipment Development Company, Llc, Monroe, MI (US);
Eli Oklejas, Jr., Newport, MI (US);
FLUID EQUIPMENT DEVELOPMENT COMPANY, LLC, Monroe, MI (US);
Abstract
A fluid machine and method of operating the same comprises a pump portion, turbine portion and a center bearing therebetween. The method includes communicating lubricant to a thrust bearing cavity disposed between a turbine impeller and a thrust wear ring, communicating lubricant from the thrust bearing cavity to a center axial shaft passage of a shaft through an impeller passage of the turbine impeller, communicating lubricant through the axial shaft passage to a bearing clearance between a shaft and a center bearing through a first radial shaft passage and a second radial shaft passage and communicating lubricant through the bearing clearance to a pump impeller chamber and a turbine impeller chamber.