Inclination measuring device

Details Inclination measuring device Inclination measuring device

1985-10-03

1987-02-10

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33377, G01C 906, G01C 920

Patent

active

046414347

ABSTRACT:
The instrument includes a cylindrical chamber with two parallel end walls. At least one of the end walls is plated with two semicircular condenser plates forming a gap between them. The chamber is filled half and half with two non-intermixing liquids of different specific gravity. In one embodiment the other end wall is plated with a third condenser plate and the two liquids are non-conductive and have different dielectric properties. In another embodiment, the two condenser plates on the one end wall are plated with a dielectric layer and at least one of the two liquids is an electrolyte. The instrument has a high measuring range and high accuracy and resolution.

REFERENCES:
patent: 2789362 (1957-04-01), Maroth
patent: 3171213 (1965-03-01), Swarts et al.
patent: 3442023 (1966-01-01), Remington et al.
patent: 3604275 (1971-09-01), Fox et al.
patent: 3906471 (1975-09-01), Shawhan
patent: 4028815 (1977-06-01), Buckley et al.
patent: 4244117 (1981-01-01), Cantarella et al.
patent: 4254334 (1981-03-01), Baud
patent: 4528760 (1985-07-01), Plummer

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