US 5597245
CAVITATION SUPPRESSING DUCTED PROPELLER SYSTEM
Assignee
Filed
Oct 28, 1981
Granted
Jan 28, 1997
Location
Abstract
This invention relates to a device for use with a ducted propeller system r suppressing gap cavitation between a moving rotor tip and duct wall and more particularly to means for supplying fluid to a ducted propeller whereby cavitation or the noise resulting therefrom may be eliminated.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 28, 1981
Rescinded
Jul 23, 1996
Duration
14 years, 9 months
Inventor
- 1Unknown Unknown
Record Details
- Patent number
- US 5597245
- Application
- 04217257
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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Back to patent indexSource: USPTO 35 USC §181 secrecy order records