Marine seismic vibrator having support structure including vibra

Details Marine seismic vibrator having support structure including vibra Marine seismic vibrator having support structure including vibra

1985-06-28

1987-01-13

Jordan, Charles T.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181402, 367189, 367143, G01V 104, H04R 1100, H04R 102

Patent

active

046357475

ABSTRACT:
Mounting structure for a marine seismic vibrator comprising at least three acoustic isolators equally spaced apart about an upper housing of the vibrator. Each of the isolators comprises a pair of spaced mounting pads mechanically secured to the housing. A U-shaped bracket having a base and depending spaced leg portions is attached to the mounting pads by way of a low-pass acoustic filter. A rectangular shaped bracket has a base, a top and a pair of spaced vertical sidewalls. The rectangular shaped bracket is located between the spaced leg portions of the U-shaped bracket and a resilient means is mounted between the bases of the U-shaped bracket and the rectangular bracket to provide a high-pass acoustic filter. Means mechanically connected to the top of the rectangular brackets to the tops of the mechanical brackets secure all the isolators to a common point at the center of the housing.

REFERENCES:
patent: 2060670 (1936-11-01), Hartman
patent: 2397137 (1946-03-01), Glennon et al.
patent: 3329930 (1967-07-01), Cole et al.
patent: 3349367 (1967-10-01), Wisotski
patent: 3394775 (1968-07-01), Cole et al.
patent: 3434562 (1969-03-01), Johnson
patent: 3467984 (1969-09-01), Otto
patent: 3482646 (1969-12-01), Brown et al.
patent: 3793623 (1974-02-01), Gongwer
patent: 3866709 (1975-02-01), Mifsud

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