Air intake cover for a blower vacuum apparatus

Details Air intake cover for a blower vacuum apparatus Air intake cover for a blower vacuum apparatus

1987-07-23

1988-07-12

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Protective screen or guard

Water or marine propellers

415121G, 415204, 15405, 15422, F04D 2970

Patent

active

047566680

ABSTRACT:
The invention is directed to a protective cover for the air intake opening in a blower-vacuum apparatus. The cover contains opening defined in the cover having a large cross sectional area relative to the area of the air intake opening. The openings in the cover are in the vertical wall of the cover to force the air to enter the apparatus radially.

REFERENCES:
patent: 2242616 (1941-05-01), O'Brien
patent: 2884863 (1959-05-01), Hartmann
patent: 4325163 (1982-04-01), Mattson et al.
patent: 4356535 (1982-10-01), Chu
patent: 4404706 (1983-09-01), Loyd
patent: 4494908 (1985-01-01), Hopfensperger
patent: 4634346 (1987-01-01), Cameron et al.
patent: 4644606 (1987-02-01), Luerken et al.

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