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US 8,522,891 B2Granted
Vibration generator for a vibration pile driver
AssigneeABI Anlangentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
InventorsChristian Heichel, Albrecht Kleibl
Life of this patent
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Abstract
A vibration generator for a vibration pile driver, comprises imbalance masses that can rotate, which are disposed on shafts. A hydraulic drive having a changeable suction volume is disposed on the generator. A vibration pile driver consists of the vibration generator and a mast for movably supporting the vibration generator and/or an accommodation for a pile-driven material.
Claims13
A vibration generator for a vibration pile driver, comprising:
- rotatable imbalance masses disposed on shafts;
- and
- at least one hydraulic drive having a changeable suction volume;
- wherein the suction volume is changed based on a change in a speed of rotation of the drive, without a change in power given off by the drive, and wherein the power is a function of the suction volume, speed of rotation of the drive and operational pressure of the drive.
1 more element
Dependencies are inferred from the claim text.