Active cover accelerometer
First Claim
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1. A pendulous accelerometer comprising:
- a housing;
a frame fixed to said housing, said frame formed with a passage;
a reaction mass comprisinga) first and second covers, said first cover substantially parallel with and spaced away from said second cover, andb) an internal pendulum portion suspended between said first and second covers, said internal pendulum portion positioned within said passage and rotatably attached to said frame; and
means for measuring a displacement of said reaction mass.
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Abstract
A pendulous accelerometer wherein the active reaction mass is pendulously mounted to a fixed support structure and includes sensor cover or covers in the total active reaction mass.
5 Citations
12 Claims
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1. A pendulous accelerometer comprising:
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a housing; a frame fixed to said housing, said frame formed with a passage; a reaction mass comprising a) first and second covers, said first cover substantially parallel with and spaced away from said second cover, and b) an internal pendulum portion suspended between said first and second covers, said internal pendulum portion positioned within said passage and rotatably attached to said frame; and means for measuring a displacement of said reaction mass. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A pendulous accelerometer comprising:
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a housing; a substantially planar frame fixed to said housing, said frame formed with a passage; a reaction mass comprising a) first and second substantially planar covers, said first cover substantially parallel with and spaced away from said second cover, and b) a substantially planar internal pendulum portion suspended between said first and second covers, said internal pendulum portion nominally positioned within said passage and rotatably attached to said frame; and means for measuring a displacement of said reaction mass. - View Dependent Claims (8, 9)
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10. A pendulous accelerometer comprising:
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a housing; a reaction mass comprising; a) an external pendulum portion formed with a passage, b) first and second covers, said covers attached to said external pendulum portion, and c) said external pendulum portion and said covers defining an internal cavity in said reaction mass; an internal frame member disposed within said cavity, said external pendulum portion rotatably attached to said internal frame member; a pedestal portion extending between said internal frame member and said housing; and means for measuring a displacement of said reaction mass. - View Dependent Claims (11, 12)
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Specification