Reversible cross flow blower

Details Reversible cross flow blower Reversible cross flow blower

1975-10-20

1977-06-28

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

To opposite face of blade

415126, 415152R, F04D 500

Patent

active

040322548

ABSTRACT:
Reversal means for a transverse or cross flow blower is provided which allows for reversal of fluid flow direction without changing impeller rotation direction. In the first embodiment, power means rotate the housing 180.degree. from its initial position, thereby providing for reversal of the fluid flow. In the second embodiment, fluid flow reversal is provided by a pair of inlet and outlet volute walls made up of curved vanes. The vanes are generally elongated and pivotally mounted for rotation about their longitudinal axis by means of linkages connected to a power means. By opening the vanes of one volute wall while closing the vanes of the other, air flow reversal is conveniently accomplished.

REFERENCES:
patent: 2214656 (1940-09-01), Briggs
patent: 3116011 (1963-12-01), Laing
patent: 3117715 (1964-01-01), Bloomingdale
patent: 3150815 (1964-09-01), Laing
patent: 3275224 (1966-09-01), Bush
patent: 3598078 (1971-08-01), Baer
patent: 3650633 (1972-03-01), Benoit
patent: 3801216 (1974-04-01), Holzhauer et al.

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