Magnetic tachometer assembly

Details Magnetic tachometer assembly Magnetic tachometer assembly

1983-09-15

1986-09-09

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

310168, G01P 348, G01P 354

Patent

active

046111689

ABSTRACT:
A tachometer assembly comprises two toothed rings (68, 70) in approximate axial register. The rings have similar peripheries of which the teeth (69, 71) are closely spaced in the axial direction of the rings. Magnetic flux in a path extending axially of the teeth varies as the rings rotate and is sensed by a coil (74) disposed coaxially of the rings.

REFERENCES:
patent: 2798976 (1957-07-01), Eckel et al.
patent: 3739211 (1973-06-01), Hasler
Goretzki et al, Slotted Probe to Achieve Multiple Cycles per Emitter Tooth, 2-1971, p. 2579.

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