Shaft speed monitor

Details Shaft speed monitor Shaft speed monitor

2005-09-20

2005-09-20

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C324S173000

Reexamination Certificate

active

06945698

ABSTRACT:
The shaft speed monitor includes a hub with a bearing bore with an open end and a bearing end. A bearing stop flange is adjacent to the bearing end. A bearing is pressed into the bearing bore and is seated against the stop flange. A lock ring axially fixes the bearing in the bearing bore. A bobbin with an embedded multi-pole ring magnet and a coil is inserted into the bearing bore in the hub. A spindle with a toothed ring passes through the bearing. The toothed ring is in radial alignment with the ring magnet. Leads connected to the coil pass through a grommet. The grommet is held in a grommet slot in the hub. A seal is pressed into a seal counter bore in the hub and seals against a sealed surface on the spindle as well as against the grommet.

REFERENCES:
patent: 6229298 (2001-05-01), Sakamoto et al.
patent: 6232772 (2001-05-01), Liatard et al.
patent: 6595693 (2003-07-01), Message et al.
patent: 6605938 (2003-08-01), Sentoku et al.
patent: 6796713 (2004-09-01), Landrieve

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