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Class 310/323.08 - Armature


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having a specific detail directed to the
No. of applications: 2
Last issue date: 01/03/2008


Application No.Application TitleIssue Date
20080001500Ultrasonic Motor
The present invention relates to an ultrasonic motor comprising a stator formed by using an acoustic waveguide of helical coil shape or an acoustic waveguide of in-plane spiral coil shape, so that a rotor placed in close proximity to, or in close contact with the coil i... 		01/03/2008
20050012433LONG LIFE PIEZOELECTRIC DRIVE AND COMPONENTS
A piezoelectric drive, and the rotor and/or pushers thereof, have long life, e. g. at least about 6000 hours of actual operation. The piezoelectric drive also is highly accurate, and is relatively inexpensive to make. The rotor friction surface and/or pushers are made f... 		01/20/2005
 
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