Magnet structure

Details Magnet structure Magnet structure

2006-01-03

2006-01-03

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

C335S216000

Reexamination Certificate

active

06982620

ABSTRACT:
A magnet structure produces a field within a magnet gap. The field is provided at least in part by a pair of permanent magnets that are fixed in place by a frame. The frame fixes a magnet assembly that is adapted to hold the magnetic material composing the permanent magnets, such that the quantity of the magnetic material can be adjusted to suit the particular application. The magnetic material can be provided in the form of discrete magnetic elements, such as magnetic “bricks”. The frame also functions as the flux collector and return. Accordingly, the general geometry of the magnet structure is fixed, and the amount of magnetic material, and therefore the magnetic field strength, is adjustable.

REFERENCES:
patent: 5283544 (1994-02-01), Sakurai et al.
patent: 6150911 (2000-11-01), Katznelson et al.
patent: 6157278 (2000-12-01), Katznelson et al.
patent: 6411187 (2002-06-01), Rotem et al.
patent: 6429761 (2002-08-01), Laskaris et al.
patent: 6600401 (2003-07-01), Zuk et al.
patent: 2002/0097122 (2002-07-01), Rapoport

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