Rotational speed sensor with membrane

Details Rotational speed sensor with membrane Rotational speed sensor with membrane

1995-11-02

1997-09-23

Brock, Michael

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Bipolar transistor

32420715, 7351439, G01P 344, G01P 3488

Patent

active

056708734

ABSTRACT:
To prevent the adhesion or penetration of iron filings or other magnetically permeable material, thereby avoiding a short-circuit of the magnetic circuit and ensuring an accurate output signal, a membrane comprised of a non-magnetic material covers the bottom of a casing facing a rotor, and a protuberance of a length at least equal to the maximum air gap between the membrane and the rotor is integrally molded to a portion of the membrane.

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