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:
Dec. 30, 2014
Filed:
Jun. 28, 2011
Pengfei MA, Naperville, IL (US);
Jiao Zhang, Naperville, IL (US);
Tonglin Shang, Bolingbrook, IL (US);
Peter Spring, Montgomery, IL (US);
Dayao Chen, Bolingbrook, IL (US);
Salik A. Syed, Aurora, IL (US);
John Ferraz, Jr., Romeoville, IL (US);
Randal N. Peterson, Peoria, IL (US);
Pengfei Ma, Naperville, IL (US);
Jiao Zhang, Naperville, IL (US);
Tonglin Shang, Bolingbrook, IL (US);
Peter Spring, Montgomery, IL (US);
Dayao Chen, Bolingbrook, IL (US);
Salik A. Syed, Aurora, IL (US);
John Ferraz, Jr., Romeoville, IL (US);
Randal N. Peterson, Peoria, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An energy recovery retrofit kit for a hydraulic control system is disclosed. The energy recover retrofit kit may have a first accumulator and a second accumulator. The energy recover retrofit kit may also have a recovery valve block fluidly connectable between an existing pump and an existing motor of the hydraulic system. The recovery valve block may be configured to selectively fluidly communicate the first and second accumulators with the existing motor.