Device for fixing a first equipment item to a second...

Details Device for fixing a first equipment item to a second... Device for fixing a first equipment item to a second...

2011-03-08

2011-03-08

Dougherty, Thomas M (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S311000, C310S338000, C310S348000, C310S354000

Reexamination Certificate

active

07902725

ABSTRACT:
A device (D) is dedicated to fixing a first piece of equipment (E1) relative to a second piece of equipment (E2). The device has (i) a structure having a rigid central body (CC) prolonged by two approximately identical terminal bodies (CT1, CT2) each having a neck defining a flexible intermediate part (PD1, PD2) that is symmetric relative to a symmetry element, prolonged by a rigid internal part (PI1, PI2) that is symmetric relative to the symmetry element and joined to one of the ends of the central body (CC), and by a rigid external part (PE1, PE2) that is symmetric relative to a symmetry element, spaced from the internal part, and intended to be joined to the first (E1) or second (E2) piece of equipment. The device has (ii) at least two piezoelectric transducers (T11-T22) with each responsible for converting either an axial dimensional change into a measurement current representing the amplitude of the change, or a control current into a corresponding axial dimensional change. The device has (iii) control means (MC) responsible for determining at least one axial dimensional change to locate the first piece of equipment (E1) relative to the second piece of equipment (E2).

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