Road finisher with power adjusters for electric paving screed heating devices
US10760228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2019 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Feb 19, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2301/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road finisher comprises a towing vehicle including a material hopper at a front in a paving travel direction for receiving paving material, and a paving screed which is pulled behind the towing vehicle in the paving travel direction for compacting paving material. A generator for providing electrical power is provided on the towing vehicle. A plurality of electric heating devices is provided on the paving screed for heating the paving screed. The road finisher further comprises a power distribution arrangement having a line network configured to supply the heating devices with power provided by the generator. The power distribution arrangement comprises a plurality of power adjusters provided on the paving screed and each power adjusted is associated with one of the heating devices. The road finisher comprises a control device configured to control the power adjusters to individually dynamically adjust the power supplied to the respectively associated heating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.