Ultrasonic motor

Details Ultrasonic motor Ultrasonic motor

1991-07-16

1992-11-24

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

051665727

ABSTRACT:
A friction member which is suitable for use in supersonic motors is disclosed. The friction member is constituted of a composite material comprised of a carbon material and a mechanical strength reinforcing material. The composite material is a shaped porous sintered product containing the carbon material, which is impregnated with metals, synthetic resins or non-metallic inorganic compounds and hot pressed.

REFERENCES:
patent: 4453103 (1984-06-01), Vishnersky et al.
patent: 4736129 (1988-04-01), Endo et al.
patent: 4739212 (1988-04-01), Imasaka et al.
patent: 4779018 (1988-10-01), Okuno et al.
patent: 4926085 (1990-05-01), Sawayama et al.
patent: 4978882 (1990-12-01), Kitani
patent: 5013956 (1991-05-01), Kurozumi et al.
patent: 5034646 (1991-07-01), Shirasaki
patent: 5066884 (1991-11-01), Takagi et al.

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