Hydraulically-driven vibrating device for a vibratory compacting machine
US8382397B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jan 14, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D3/054
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a vibrator device for a vibratory compacting machine, said device comprising: a tubular body extending longitudinally and having a bottom end; at least one first hydraulic motor disposed in the tubular body and comprising a rotor and a stator; an eccentric member arranged inside the tubular body between the bottom end and the first hydraulic motor, said eccentric member being adapted to be rotated by the rotor of the first hydraulic motor so as to generate vibration. The invention is characterized in that the stator of the first hydraulic motor is constituted by the tubular body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.