Elevator installation with device for noise reduction
US7325656B2 · kind B2 · utility
2Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2006 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | May 25, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B13/285
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator installation includes an elevator car that moves in an elevator shaft with shaft doors and which car has at least one car apron arranged parallel to a plane of a shaft wall at a shaft door side. A device for reducing noises generated by the air flow arising between the shaft wall and the car apron includes sound-absorbing material that is mounted at the car apron and at the shaft wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.