Rotational velocity sensor ring apparatus and method

Details Rotational velocity sensor ring apparatus and method Rotational velocity sensor ring apparatus and method

1996-07-19

1997-12-09

O'Shea, Sandra L.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

32420725, 310168, 310155, 295921, G01P 3488

Patent

active

056964420

ABSTRACT:
A rotational velocity sensor ring comprising a circular cylindrical body with a radially interior cylindrical surface, a radially exterior cylindrical surface and first and second cylinder ends, a plurality of substantially equally spaced, substantially equal length fingers extending from the first cylinder end, and on each of the fingers, a substantially 180.degree. bend proximate to the first cylinder end, wherein each finger is radially exterior of the circular cylindrical body, wherein each finger has a finger end extending toward a second cylinder end opposite the first cylinder end, wherein each finger is proximate to the radially exterior cylindrical surface and parallel to a cylinder axis of the circular cylindrical body, wherein the fingers comprise a set of teeth of the rotational velocity sensor ring.

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patent: 4940937 (1990-07-01), Hattori et al.
patent: 5004358 (1991-04-01), Varvello et al.
patent: 5111138 (1992-05-01), Kramer

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