Inlet air flow conditioning for centrifugal fans

Details Inlet air flow conditioning for centrifugal fans Inlet air flow conditioning for centrifugal fans

1990-08-28

1992-02-18

Look, Edward K.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415206, F01D 2500

Patent

active

050888862

ABSTRACT:
A grate of rigid intersecting strips is positioned across the inlet cone of a fan for diffusing the vortex of inlet air to the fan and to induce a uniform velocity gradient at the fan blades. This conditioning of the inlet air reduces turbulence during operation of the fan and, therefore, noise and vibration.

REFERENCES:
patent: 1211439 (1917-01-01), Hall
patent: 2112608 (1938-03-01), Schmidt
patent: 2801044 (1952-09-01), Bowie
patent: 3096080 (1963-07-01), Willems
patent: 3255686 (1966-06-01), Larson et al.
patent: 3883264 (1975-05-01), Rao
patent: 4418880 (1983-12-01), Waal
patent: 4692091 (1987-09-01), Ritenour
patent: 4786231 (1988-11-01), Kelley
patent: 4799287 (1989-01-01), Belanger et al.

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