Drive system, in particular for a self-propelled construction machine, in particular a soil compactor

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United States of America Patent

PATENT NO 9995007
APP PUB NO 20150176226A1
SERIAL NO

14573932

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive system, in particular for a self-propelled construction machine, in particular a soil compactor, comprises a drive unit, at least one hydraulic circuit with a hydraulic pump driven by the drive unit, a hydraulic drive support unit with a hydraulic pump/motor assembly, and at least one pressure fluid reservoir, wherein the hydraulic pump/motor assembly is, or can be, drivingly coupled with the drive unit and/or at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode by the drive unit and/or at least one hydraulic circuit as a pump to charge at least one pressure fluid reservoir, and be driven in a drive support operating mode as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, characterized in that the hydraulic pump/motor assembly is operated in a recirculation operating mode as a pump to convey fluid out of a fluid reservoir and into a fluid reservoir.

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Patent Owner(s)

Patent OwnerAddress
HAMM AG95643 TIRSCHENREUTH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Henker, Thomas Tirschenreuth, DE 4 10
Pieske, Ronny Zwönitz, DE 8 17
Röhr, Andreas Weiden, DE 5 29

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