Sand spreading system
US8500177B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 2010 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Apr 14, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61C15/102
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for spreading spreadings in front of the wheels of vehicles, in particular, rail vehicles, including at least one container for the spreadings, at least one device arranged below each spreadings container for metering the spreadings with an outlet opening for dispensing the metered spreadings and at least two devices for conveying the metered spreadings over at least two conveyor lines. The conveyor devices provided for the metering device are made up of a pneumatically operated multiple injector arranged beneath the outlet opening, with at least two separate cavities for the dispensing of the metered spreadings, with one compressed air connector per cavity, and a connector for the conveyor line in each cavity opposite the compressed air connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.