Electric blower

Details Electric blower Electric blower

1987-04-13

1988-08-30

Croyle, Carlton R.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

417423A, 415119, 415211, F04B 1700

Patent

active

047672854

ABSTRACT:
An electric blower comprising an electric motor and an impeller drivingly rotated thereby. A housing and an end bracket connected thereto cooperate with each other to define an internal space within which the electric motor is disposed. A tubular wall surrounding an output shaft of the motor extends from an end wall of the end bracket into a central opening in a shroud plate of the impeller. A bearing is disposed between the tubular wall and the output shaft for rotatably supporting the output shaft. A guide vane assembly introduces air discharged from the impeller, into the internal space. The guide vane assembly is connected to the end bracket at a location radially outwardly remote from the bearing. The guide vane assembly guides the air flow from the impeller, toward openings in a peripheral wall of the end bracket.

REFERENCES:
patent: 2096891 (1937-10-01), Fredlund
patent: 2658665 (1953-11-01), Tschudy
patent: 4057370 (1977-11-01), Numata et al.
patent: 4111615 (1978-09-01), Watanabe
patent: 4679990 (1987-07-01), Yamaura et al.

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