FIELD: electrical engineering; motor physical coupling with gear transmission.
SUBSTANCE: proposed motor 1 that can be used to drive air duct shutter in motor-car weather unit has cup-shaped frame 3 and disk-type rotor with commutator 4. Disk-type rotor is installed in frame 3 on sleeve 12 rigidly joined on one end with frame bottom 13. Rotor sleeve 11 is elongated so that butt-end of its first edge 14 is adjacent to frame bottom 12 and second edge 15 of sleeve 11 mounts gear wheel 16 which can be press-fitted thereon. Rotor commutator 4 is secured through its base 17 on outer cylindrical surface of sleeve 11 and rotor disk 6 carrying winding 18 is disposed on commutator 4. Motor frame 3 may be joined with gear transmission casing 21 on second edge 15 of rotor sleeve 11 so that gear wheel 15 mounted on sleeve 11 occurs within casing 21 and is brought in mesh with respective member of gear transmission 2. Output shaft 25 of gear transmission 2 is set in position affording its coupling, for instance, with shaft 26 of weather unit air duct shutter 27. Output shaft 25 of gear transmission 2 and shaft 26 of shutter 27 may be coupled through arm 28 of sensor 29 that generates signal indicating angular position of output shaft 25 or shaft 26 of shutter 27.
EFFECT: enhanced operating stability and maintainability of gear motor.
7 cl, 4 dwg
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Authors
Dates
2006-10-20—Published
2004-12-14—Filed