Ultrasonic motor having integrated electrodes and...

Details Ultrasonic motor having integrated electrodes and... Ultrasonic motor having integrated electrodes and...

2005-08-23

2005-08-23

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S323160, C310S325000, C310S366000

Reexamination Certificate

active

06933656

ABSTRACT:
A stator includes first and second piezoelectric elements, a flexible aluminum-based connective arrangement and upper and lower aluminum-based metal blocks. The flexible aluminum-based connective arrangement includes first to fourth aluminum-based electrodes, which apply a voltage to the piezoelectric elements to generate a vibration. Each aluminum-based electrode is made of one of aluminum and an aluminum alloy and directly contacts a corresponding one of axial ends of the piezoelectric elements. Each aluminum-based metal block is made of one of aluminum and an aluminum alloy. The piezoelectric elements and the aluminum-based electrodes are interposed between the aluminum-based metal blocks.

REFERENCES:
patent: 4637246 (1987-01-01), Lombard et al.
patent: 4651310 (1987-03-01), Kaneko et al.
patent: 5155409 (1992-10-01), Swanson et al.
patent: 5168189 (1992-12-01), Dam et al.
patent: 5998908 (1999-12-01), Goodson
patent: 6018213 (2000-01-01), Yano
patent: Y2-2529875 (1997-03-01), None
patent: B2-3059040 (2000-07-01), None
patent: B2-3181619 (2001-07-01), None
patent: A-2002-67316 (2002-03-01), None

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