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:
May. 04, 2010
Filed:
Sep. 07, 2007
Paul Anthony Dvorak, Sanford, NC (US);
Matthew Chad Full, Siler City, NC (US);
Paul Alan Rousseau, Raleigh, NC (US);
Paul Anthony Dvorak, Sanford, NC (US);
Matthew Chad Full, Siler City, NC (US);
Paul Alan Rousseau, Raleigh, NC (US);
Caterpillar S.A.R.L., Geneva, CH;
Abstract
A flushing system for a transmission is disclosed. The system has a first pump and a first actuator connected to the first pump to form a first loop. The system also has a second pump and a second actuator connected to the second pump to form a second loop. The system further has a charge pump configured to replenish the first and second loops. The system also has a single charge relief valve situated to receive fluid from the first pump, the second pump, and the charge pump.