Noise absorbing device and device for taking air into engine room of a construction machine
US6688424B1 · kind B1 · utility
21Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1998 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Oct 21, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/161
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An engine noise reduction device to reduce sound output from an engine compartment and supply cooling air to the engine compartment to increase cooling efficiency and prevent engine and component overheating. The device opposes a plurality of air inlets, to receive an air flow therefrom, and includes a split-type noise absorbing portion and a cell-type noise absorbing portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.