Longitudinal-torsional resonance ultrasonic motor with improved

Details Longitudinal-torsional resonance ultrasonic motor with improved Longitudinal-torsional resonance ultrasonic motor with improved

1993-06-07

1994-06-07

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310325, 310333, 310351, H01L 4108

Patent

active

053192788

ABSTRACT:
An ultrasonic motor comprises a rotor and a stator between which a pressurized face-to-face contact is established. The stator includes a longitudinal vibrator for producing a longitudinal thrust in the axial direction thereof and a torsional vibrator for transmitting a torsional thrust to the rotor in response to a longitudinal thrust timely generated by the longitudinal vibrator. The stator is supported by a structure which comprises a ring portion secured to the stator and a plurality of limb portions radially extending from the ring portion. Each of the limb portions has such an effective length and a width that the oscillation frequency of the motor matches the primary resonant frequency of a vibration of the limb portion generated on a plane normal to the axial direction of the stator and has such a thickness that the oscillation frequency matches an intermediate point between adjacent antiresonant frequencies of a vibration of the limb portion generated in the axial direction of the stator.

REFERENCES:
patent: 3694675 (1972-09-01), Loveday
patent: 4634915 (1987-01-01), Mukoujima et al.
patent: 4703214 (1987-10-01), Mishiro
patent: 5017823 (1991-05-01), Okumura
patent: 5051647 (1991-09-01), Uchikawa et al.
patent: 5115161 (1992-05-01), Myohga et al.
patent: 5264753 (1993-11-01), Mukohjima et al.

Affiliated with

Also associated with

Rating

Longitudinal-torsional resonance ultrasonic motor with improved does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Longitudinal-torsional resonance ultrasonic motor with improved , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Longitudinal-torsional resonance ultrasonic motor with improved will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-795294