Metal working – Method of mechanical manufacture – Electrical device making
Patent
1993-09-28
1994-10-04
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29828, 26427215, 26427219, 32420715, 336205, H01F 4102
Patent
active
053513886
ABSTRACT:
A sensor has a metal case with a sensing coil at one end and a shielded cable extending from the other. In one use it is placed in proximity to rotating machinery to sense imbalance by position change of the shaft. A pair of suitably sized metal cylinders which are precisely interlocked by dielectric material provides for firm mechanical and electrical connections to the inner and outer conductors of the associated shielded cable. In addition a four step injection molding process provides for accurate and secure location of the sensing coil. And at the same time the entire structure because of the injection molding and associated seals is moisture proof. Other uses include temperature and velocity sensing.
In an alternative embodiment only a two-step injection molding process is utilized with a somewhat simplified procedure.
REFERENCES:
patent: 5016343 (1991-05-01), Schutts
patent: 5021737 (1991-06-01), Schutts
De Lange Dennis D.
Peterson Eric C.
Saarem David M.
Van Den Berg David
Bently Nevada Corporation
Hall Carl E.
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