Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1997-05-02
1999-02-16
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310168, 324667, H02K 2100
Patent
active
058724087
ABSTRACT:
A capacitive sensor includes a rotor and a stator. The rotor includes at least one rotor sector, and the stator plate includes a plurality of stator sector plates. A dielectric is located between the stator and the rotor. The rotor sector plate, the plurality of stator sector plates and the dielectric form a plurality of capacitors when the rotor plate is in a plurality of positions. The plurality of stator sector plates are coupled to an external multiple voltage source which applies multi-phase voltage signals to each of the stator sector plates in which each multi-phase voltage has a different phase. The multi-phase voltage signal is coupled from the rotor to the stator through the formed capacitors so that the coupled signal through the capacitors is indicative of the angular position of the rotor. A second sensor comprises a movable plate assembly and a non-movable plate assembly that form a plurality of capacitors when the movable plate assembly is in a plurality of positions. Such capacitors couple primary information between the non-movable plate assembly and the movable plate assembly. The primary information may be indicative of the linear displacement between the movable and the non-movable plate assemblies.
REFERENCES:
patent: 3760392 (1973-09-01), Stich
patent: 4841189 (1989-06-01), Cooper et al.
patent: 4958115 (1990-09-01), Miller
patent: 5537109 (1996-07-01), Dowd
Werner Leonhard, "Control of Electrical Drives", 2nd ed., Springer (1966), pp. 75-77 and pp. 155-177 (Month Unknown).
J.R. Hendershot Jr., T. Miller, "Design of Brushless Permanent-Magnet Motors", Magna Physics Publishing (1994), pp. 1-1 through 1-12 (Month Unknown).
Tak Kenjo, "Electrical Motors and their Controls", Oxford University Press (1994), pp. 87-96 (Month Unknown).
Costello Leo F.
Jones Judson H.
Stephan Steven L.
LandOfFree
Capacitive sensor for indicating position does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Capacitive sensor for indicating position, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Capacitive sensor for indicating position will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2065044