Sound abatement device for internal combustion engine
US4137888A · kind A · utility
24Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1976 |
| Grant date | Feb 6, 1979 |
| Priority date | — |
| Expiry date | Nov 24, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B77/13
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sound abatement device for an internal combustion engine including a contoured shell resiliently mounted to reduce sound transmission through the shell mounting. The shell is formed of plastic filled with powdered metal to reduce transmission of air transmitted sound from the engine through the shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.