Ventilation apparatus

Details Ventilation apparatus Ventilation apparatus

1993-03-04

1994-06-21

Joyce, Harold

Ventilation

Vehicle

361678, 454148, B60H 128

Patent

active

053224710

ABSTRACT:
A motor vehicle ventilation apparatus for providing ventilation by a fan (3), located within an air channel (1) of the apparatus, whose operation can be multiply, or step, adjusted by "switching in" performance resistors (8). The performance resistors (8) and a step switch (7) required for adjusting operation of the fan (3) are arranged on members forming the air channel (1), or are in the air channel, within an effective ventilating range of the fan (3).

REFERENCES:
patent: 2824939 (1958-02-01), Claybourn et al.
patent: 3088013 (1963-04-01), Watson
patent: 3213232 (1965-10-01), Gryctko
Bosch, Kraftfahr Technisches Taschenbuch, 1SBN3-18-419105-2, VDI Verlag, Sep. 1987, pp. 568, 569, 572, 573 and 606-609.

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