Floated gravity gradiometer and method

Details Floated gravity gradiometer and method Floated gravity gradiometer and method

1989-05-31

1990-09-11

Chapman, John

Measuring and testing

Gravitational determination

G01V 702

Patent

active

049552325

ABSTRACT:
An apparatus and method for measuring the vertical gradient of the vertical gravitational field using a gravity gradiometer comprising a housing containing a fluid, a float buoyantly supported within the fluid, mechanism for varying the metacentric height of the float, and apparatus for obtaining a measure of the gravitational gradient acting on the float resulting from varying the metacentric height.

REFERENCES:
patent: 3630086 (1971-12-01), Wilk
patent: 3668932 (1972-06-01), Hansen
patent: 3926054 (1975-12-01), Buck
patent: 4513618 (1985-04-01), Lautzenhiser
patent: 4581932 (1986-04-01), Lautzenhiser et al.
C. Huai-ning, "An Investigation of Microweighing with an Eddy Current Transducer," Rev. Sci. Instrum., 59, Oct. 1988, pp. 2297-2299.

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