Geometrical instruments – Indicator of direction of force traversing natural media – With damper or governor for sensor
Patent
1978-05-19
1979-08-07
Phillips, Charles E.
Geometrical instruments
Indicator of direction of force traversing natural media
With damper or governor for sensor
33366, 33396, G01C 908
Patent
active
041633253
ABSTRACT:
A verticality sensor comprises a casing within which is mounted a rotary pick-off device having a body attached to the casing and mounted on a shaft for relative rotational movement with respect thereto, such movement producing an output signal from the pick-off representative of the angular rotation of the casing with respect to the vertical, pendulum means mounted on the pick-off shaft for relative rotational movement with respect thereto, and inertia means fixed to the pick-off shaft and coupled to the pendulum means through a fluid, with which the casing is filled, and through spring means. The arrangement is such that when the pendulum is subjected to lateral accelerations and undergoes rotational movement relative to the pick-off, the spring means is torsioned and thereby attempts to transmit that rotational movement to the inertia member which the latter resists, whereby the effect of lateral acceleration is reduced.
REFERENCES:
patent: 4027399 (1977-06-01), Armstrong et al.
patent: 4099334 (1978-07-01), Kuzin et al.
Phillips Charles E.
Sperry Rand Limited
Terry Howard P.
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