US Patent 8984873 Meterless hydraulic system having flow sharing and combining functionality
Patent 8984873 was granted and assigned to Caterpillar Inc. on March, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A hydraulic system includes a variable-displacement first pump, an over-center variable-displacement first travel motor selectively connected to receive fluid pressurized by the first pump in a closed loop manner, and an over-center variable-displacement second travel motor selectively connected to receive fluid pressurized by the first pump in parallel with the first travel motor in a closed loop manner. The hydraulic system also includes a linear actuator selectively connected to receive fluid pressurized by the first pump in parallel with the first and second travel motors in a closed loop manner.
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Patent Inventor Names
Bryan J. Hillman0
Lawrence J. Tognetti0
Patrick Opdenbosch0
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US Patent 08984873 Meterless hydraulic system having flow sharing and combining functionality US Patent 8984873 Meterless hydraulic system having flow sharing and combining functionality
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Patent Number
089848730
Patent Number
89848730
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Official Website
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Current Assignee
Patent Jurisdiction
Patent Number
089848730
Date of Patent
March 24, 2015
0Patent Application Number
132791770
Date Filed
October 21, 2011
0Official Website
Patent Primary Examiner
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US Patent 08984873 Meterless hydraulic system having flow sharing and combining functionality
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08984873
Date of patent
March 24, 2015
Patent application number
13279177
Date Filed
October 21, 2011
Patent primary examiner
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