Control for a truck mixer
US10369722B2 · kind B2 · utility
0Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2008 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Jun 20, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28C5/422
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a control for truck mixers having a hydraulically driven mixer drum, with the hydraulic pump of the mixer drive being driven by the drive motor of the truck mixer or by a separate motor. In accordance with the invention, the speed of the drive motor is adjustable in dependence on the demanded drum speed, with the desired drum speed being able to be set via an operating lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.