Drive assembly for acoustic sources

G - Physics – 01 – V

Patent

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Details

G01V 1/02 (2006.01) B06B 1/10 (2006.01) G01V 1/04 (2006.01) G01V 1/143 (2006.01) G01V 1/153 (2006.01)

Patent

CA 2158337

Drive assembly for acoustic sources having sound emitting surfaces adapted to be excited into vibration movements, in particular for use in seismic explorations. The assembly comprises an electric rotational motor (17) with an associated axle which comprises an axle part (18) the outer cross-sectional contour of which at least partially in the axial extension of the axle part is non-circular. but preferably smoothly rounded. Further the assembly comprises a number of push rods (21, 22) being arranged radially in relation to the axle (18) and adapted to preferably indirectly at their radially inner ends (23, 24) to be influenced by the non-circular axle part (18) during rotation of the axle, whereas the radially outer ends of the push rods (21, 22) are adapted to excite said sound emitting surfaces (1) into vibrational movement.

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