Radial blower especially for heaters and air conditioners in mot

Details Radial blower especially for heaters and air conditioners in mot Radial blower especially for heaters and air conditioners in mot

1979-02-02

1981-02-24

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing having tangential inlet or outlet

415219C, F04D 2944

Patent

active

042525020

ABSTRACT:
A radial blower, preferably for blowing air through a heat exchanger or air conditioner in a motor vehicle, mainly comprises an impeller wheel preferably directly driven by an electric motor, wherein the driven impeller wheel is mounted in a housing, the peripheral wall of which spirally approaches the outer periphery of the impeller wheel and passes at the outlet of the housing over in a so-called tongue delimiting the outlet at one side, in which the shortest distance between the outer periphery of the impeller wheel and the peripheral housing wall is located downstream of the tip of the tongue, as considered in the direction of rotation of the impeller wheel. The tip of the tongue is formed by a sector of a circular cylinder and the housing has between the region of the shortest distance of the housing wall from the circumference of the impeller wheel a planar wall portion which is tangential to the spirally formed portion of the housing and the sector of the circular cylinder forming the tip of the tongue.

REFERENCES:
patent: 1014321 (1912-01-01), Minor
patent: 1215881 (1917-02-01), Siemen
patent: 2926839 (1960-03-01), Hutt
patent: 3018896 (1962-01-01), Gewiss
patent: 3619088 (1971-11-01), Bullock
patent: 3752603 (1973-08-01), Bunch
patent: 3874191 (1975-04-01), Hudson

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