Magnetic seal with tapered shunts

Details Magnetic seal with tapered shunts Magnetic seal with tapered shunts

1995-01-17

1996-09-03

Royer, William J.

Photocopying

Contact printing

Light boxes

355245, G03G 2100, G03G 1506

Patent

active

055528643

ABSTRACT:
A system for sealing a member rotating about an axis of a support is provided. The system includes a magnetic field producing member and a magnetizable member. The magnetizable member is positioned adjacent the magnetic member. The magnetizable member has at least a portion thereof progressively increasing in thickness in a direction substantially parallel to the axis as distance from the axis increases.

REFERENCES:
patent: 3788275 (1974-01-01), Hanson
patent: 4040386 (1977-08-01), Smith
patent: 4596455 (1986-06-01), Kohyama et al.
patent: 4616919 (1986-10-01), Adley et al.
patent: 4878088 (1989-10-01), Nakanishi et al.
patent: 5177536 (1993-01-01), Watanabe et al.
patent: 5187328 (1993-02-01), Shirai
patent: 5267007 (1993-11-01), Watanabe et al.
patent: 5287148 (1994-02-01), Sakemi et al.
patent: 5442423 (1995-08-01), Edmunds et al.
patent: 5450169 (1995-09-01), Hart et al.

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