Switching assembly for an electric screed heating device of a road paver
US11946209B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Oct 12, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2301/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road paver comprises a tractor vehicle with a material hopper for receiving paving material and a paving screed for compacting paving material. The paving screed comprises at least one electric heating device for heating the paving screed. The road paver comprises at least one electric switching assembly configured to switch an electric power supply of the electric heating device. The electric switching assembly comprises an electric parallel circuit of two switching devices, wherein the electric parallel circuit of the two switching devices forms a series electric circuit with the electric heating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.