Vibration driven motor

Details Vibration driven motor Vibration driven motor

1991-08-27

1993-02-16

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

051874067

ABSTRACT:
A vibration member for a vibration driven motor having a contact member contacting the vibration member, wherein the vibration member generates a vibration in response to an applied electrical signal to create relative movement between the vibration member and the contact member. The vibration member is formed of a sintering material, such as a sintering alloy, having a porosity of 20% or less. The porous vibration member further may include a metal or high molecular compound having a low vibration absorbing property added to the pores of the member by a method of impregnation or infiltration.

REFERENCES:
patent: 4562373 (1985-12-01), Tokusima et al.
patent: 4692650 (1987-09-01), Okumura et al.
patent: 4692651 (1987-09-01), Hiramatsu et al.
patent: 4752711 (1988-06-01), Tsukimoto et al.
patent: 4779018 (1988-10-01), Okuno et al.
patent: 4926085 (1990-05-01), Sawayama et al.
patent: 5013956 (1991-05-01), Kurozumi et al.

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