Electrical control

Details Electrical control Electrical control

1976-02-04

1978-09-05

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, 200 8A, 200 11TC, 200179, H01H 300, H01F 2904

Patent

active

041122747

ABSTRACT:
An electrical control for providing a graduated change in the magnitude of electrical energy transferred from a source of electrical energy to a device driven thereby including a mount, a plurality of load contacts disposed in fixed relation on the mount, a movable power contact engaging certain of the plurality of load contacts, a movable transition contact associated with the movable power contact first engaging each of the load contacts engaged by the movable power contact to provide an alternate full load current path through each of the load contacts engaged by the movable power contact prior to engagement by the movable power contact, thus providing a transition between the load contacts engaged by the movable power contacts which are connected to differing magnitudes of impedance substantially without arcing; and a third movable contact may be provided for selectively engaging other of the plurality of load contacts for effecting a switching function.

REFERENCES:
patent: 447230 (1891-02-01), Chamberlain
patent: 1102562 (1914-07-01), Anderson
patent: 1861129 (1932-05-01), Milliken
patent: 2753432 (1956-07-01), Long et al.
patent: 3011041 (1961-11-01), Bakels
patent: 3174097 (1965-03-01), Bleibtreu
patent: 3247435 (1966-04-01), Baumhart et al.
patent: 3343115 (1967-09-01), Greenwood
patent: 3912974 (1975-10-01), Hill

Affiliated with

Also associated with

Rating

Electrical control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrical control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2098221