Radial blower with blower wheel rotating in spiral housing

Details Radial blower with blower wheel rotating in spiral housing Radial blower with blower wheel rotating in spiral housing

1992-04-22

1994-02-15

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415206, 4152082, 60307, F04D 1712

Patent

active

052861643

ABSTRACT:
A radial blower for producing an air stream which is supplied as a secondary air to a waste gas stream of an internal combustion engine has a spiral housing having a substantially tangentially oriented blower output and accommodating a blower wheel which rotates in the spiral housing about a rotary axis in a rotary plane. The blower output forms with the rotary plane of the blower wheel an acute angle which converges in a flow direction of air. An air guiding chamber is provided with stationary guiding elements, and the blower output is open in the air guiding chamber. An overflow opening extends substantially radially to the rotary axis of the blower wheel. The guiding elements of the guiding chamber deviate an inflowing air substantially radially to the overflow opening. A second spiral housing accommodates a second blower wheel. The overflow opening opens in the central region of the second spiral housing.

REFERENCES:
patent: 1610360 (1926-12-01), Clements
patent: 3289923 (1966-12-01), Millman
patent: 3338682 (1967-08-01), Fowler et al.
patent: 3712065 (1973-01-01), Hurst
patent: 4938661 (1990-07-01), Kobayashi et al.
patent: 4993224 (1991-02-01), Phelps et al.
patent: 5095691 (1992-03-01), Yoshimura

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