Daniel Lee Macumber
Engineers at 132 Pl, Westminster, CO
License number
Colorado 52520
Issued Date
Jun 10, 2003
Renew Date
Jun 10, 2003
Type
Engineer Intern
Address
Address
2701 E 132Nd Pl, Westminster, CO 80241
Professional information
Apparatus For Control Of Stator Wakes
US Patent:
2011007, Mar 24, 2011
Filed:
Sep 18, 2009
Appl. No.:
12/562542
Inventors:
David N. Beal - Providence RI, US
Stephen A. Huyer - Saunderstown RI, US
Daniel L. Macumber - Thornton CO, US
Anuradha Annaswamy - West Newton MA, US
Stephen A. Huyer - Saunderstown RI, US
Daniel L. Macumber - Thornton CO, US
Anuradha Annaswamy - West Newton MA, US
International Classification:
B63H 1/28
US Classification:
440 66
Abstract:
The invention as disclosed is an apparatus that controls the wake of stator blades on an underwater vehicle. The apparatus comprises one or more stator blades each with a movable trailing edge that when actuated in a controlled manner produces a periodic flapping motion upstream of a propulsion rotor. The controlled periodic flapping of the trailing edge the fills the stator blade wake enough to overcome the stator blade's own drag and fill its wake deficit. This has the effect of reducing the blade rate tonal noise of the propulsion rotor.