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US 10,730,532 B2Granted
Track maintenance machine
AssigneePlasser & Theurer Export von Bahnbaumaschinen m.b.H.
InventorMichael Mueller
Life of this patent
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Abstract
A track maintenance machine includes a combustion engine mechanically connected by a drive shaft to an electric generator/motor unit. The electric generator/motor unit is connected by a mechanical drive unit to a hydraulic pump. A power accumulator is connected by an electrical supply line to the generator/motor unit and to drives which can be actuated electrically. It is thus possible to mainly electrically supply all of the drives.
Claims2
A track maintenance machine, comprising:
- a machine frame;
- on-track undercarriages for moving said machine frame on a track;
- a plurality of electrically actuatable drives;
- an energy supply system connected to said plurality of electrically actuatable drives, said energy supply system including a combustion engine and a hydraulic drive system having at least one hydraulic pump;
- an electric generator/motor unit;
- a drive shaft mechanically connecting said combustion engine to said electric generator/motor unit;
- a mechanical drive unit connecting said generator/motor unit to said hydraulic pump;
- a power accumulator;
- and
- an electrical supply line connecting said power accumulator to said generator/motor unit and to said electrically actuatable drives.
7 more elements
Dependencies are inferred from the claim text.