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:
Jun. 30, 2015
Filed:
Jun. 28, 2011
Jiao Zhang, Naperville, IL (US);
Tonglin Shang, Bolingbrook, IL (US);
Peter Spring, Montgomery, IL (US);
Pengfei MA, Naperville, IL (US);
Randal N. Peterson, Peoria, IL (US);
Rustu Cesur, Lombard, IL (US);
Jiao Zhang, Naperville, IL (US);
Tonglin Shang, Bolingbrook, IL (US);
Peter Spring, Montgomery, IL (US);
Pengfei Ma, Naperville, IL (US);
Randal N. Peterson, Peoria, IL (US);
Rustu Cesur, Lombard, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A hydraulic control system for a machine is disclosed. The hydraulic control system may have a work tool movable to perform an excavation cycle having a plurality of segments, a motor configured to swing the work tool during the excavation cycle, and a pump configured to pressurize fluid directed to drive the motor. The hydraulic control system may also have at least one accumulator configured to selectively receive fluid discharged from the motor and to discharge fluid to the motor during the plurality of segments, and a controller configured to implement a plurality of modes of operation. Each of the plurality of modes of operation includes a different combination of segments during which the at least one accumulator receives and discharges fluid.