Resistance unit for motor speed control

Details Resistance unit for motor speed control Resistance unit for motor speed control

1992-05-05

1993-12-28

Lateef, Marvin M.

Electrical resistors

Detachable plug-type resistor unit

338 24, 338307, 338308, 338309, 338330, H01C 1300, H01C 710, H01C 1012, H01C 114

Patent

active

052743519

ABSTRACT:
The present invention relates to a resistance unit for controlling a motor speed of driving a blower of an automobile air conditioner. The resistance unit includes a resistance circuit board printing a plurality of resistors in the form of double layers on both sides thereof, a supporting plate for mounting the board and a plurality of lead frames each of which is electrically connected to a corresponding terminal of the resistors, and a socket, combined with the supporting plate, taking a part of each lead frame therein.

REFERENCES:
patent: 4719441 (1988-01-01), Horn
patent: 4935717 (1990-06-01), Osawa et al.
patent: 5000662 (1991-03-01), Yamamoto et al.

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