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:
Mar. 30, 2004
Filed:
Nov. 20, 2001
Kenneth O. Johnson, Cincinnati, OH (US);
Other;
Abstract
A non-grounded hydraulic transmission apparatus ( ) is provided for transferring power from a power source to a work unit, Transmission apparatus ( ) includes an input device ( ) having an input shaft ( ) coupled to the power source and a plurality of pumps ( ) configured to rotate with input shaft ( ). Pumps ( ) are configured to transfer energy received from the power source into a fluid ( ). Transmission apparatus ( ) further includes an output device ( ) having an output shaft ( ) coupled to the work unit and a plurality of turbines ( ) configured to rotate output shaft ( ). Turbines ( ) are configured to remove energy from fluid ( ) and transfer said energy to the work unit through output shaft ( ).