Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers
Patent
1966-08-08
1982-03-09
Brown, David H.
Fluid reaction surfaces (i.e., impellers)
With fluid passage in working member communicating with...
Air and watercraft propellers
291568P, 114 67A, 415DIG1, B64C 1120, F01D 514
Patent
active
043186718
ABSTRACT:
A method of raising the propulsion efficiency of a propeller by reducing viscous drag. Basically, a fluid polymer solution is injected along the leading edge of the power face of the propeller blade to form a boundry layer solution adjacent the power face, thereby suppressing turbulence. A propeller suitable for practicing the above method is also disclosed.
REFERENCES:
patent: 3196823 (1965-07-01), Thurston
patent: 3230919 (1966-01-01), Crawford
patent: 3290883 (1966-12-01), Giles et al.
Brown David H.
Exxon Research & Engineering Co.
Wohlers Donald F.
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