Jeremy Matthew Peterson

US Patent:

20130098013, Apr 25, 2013

Filed:

Oct 21, 2011

Appl. No.:

13/278745

Inventors:

Brad A. EDLER - Waterloo IL, US
Jeffrey L. Kuehn - Metamora IL, US
Jeremy T. Peterson - Washington IL, US
Michael T. Verkuilen - Metamora IL, US

International Classification:

F15B 11/17

US Classification:

60327, 60420

Abstract:

A hydraulic system is disclosed. The hydraulic system may have a plurality of pumps with unidirectional functionality and being variable displacement, a common discharge passage connected to the plurality of pumps, and a common intake passage connected to the plurality of pumps. The hydraulic system may also have at least one actuator connected in closed-loop manner to the common discharge and common intake passages, and a switching valve associated with the at least one actuator and disposed between the at least one actuator and the common discharge and intake passages. The hydraulic system may additionally have at least one isolation valve configured to selectively isolate a portion of the common discharge passage and a portion of the common intake passage associated with one pump of the plurality of pumps from another pump of the plurality of pumps.