Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1993-04-22
1994-05-10
Voeltz, Emanuel T.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 58, H02K 714, H02K 900
Patent
active
053110897
ABSTRACT:
A hand machine tool has an electric motor, a radial fan driven by the electric motor and having an aspirating region and a stationary pre-spin grate located in the aspirating region of the radial fan directly upstream the radial fan as considered in an air flow direction and formed so that a supply air to the radial fan is deviated against a rotary direction of the radial fan.
REFERENCES:
patent: 2604501 (1952-07-01), Wightman
patent: 4698542 (1987-10-01), Muller
Prahst Eberhard
Stroetgen Eckerhard
Robert & Bosch GmbH
Striker Michael J.
To g232 1
Voeltz Emanuel T.
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