Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Plural – diverse motor controls
318 65, 318112, 74336R, H02P 546
An electrically actuated shifting mechanism includes a reversible rail select electric motor and a reversible in-gear electric motor. Three groups of switches are provided to effect one-at-a-time operation of the motors with a center group of switches being used to effect operation of either the rail select or the in-gear motor and to determine the direction of operation of the motor. In one embodiment of the invention, the motor control circuitry also controls the operation of a main clutch motor. Four groups of switches are used to effect operation of the in-gear, rail select and clutch motors in desired directions. Pulse width modulation is used to effect simultaneous and out-of-phase operation of the in-gear and main clutch motors.
patent: 4296361 (1981-10-01), Archer
patent: 4405887 (1983-09-01), Tamura et al.
patent: 4651855 (1987-03-01), Grunberg
patent: 4670693 (1987-06-01), Kazami et al.
patent: 4857813 (1989-08-01), Matsumoto et al.
patent: 4873881 (1989-10-01), Edelen et al.
patent: 5063511 (1991-11-01), Mack et al.
Fortune Glenn C.
Kelledes William L.
Shoop Jr. William M.
Motor controls does not yet have a rating. At this time, there are no reviews or comments for this patent.If you have personal experience with Motor controls, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor controls will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1975305