Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2007-10-09
2007-10-09
Enad, Elvin (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S224000
Reexamination Certificate
active
10786842
ABSTRACT:
A magnetic inertial force generator includes a magnetic shell internally defining an armature chamber. At least two circumferential electric coils are spaced longitudinally within the chamber and mounted on a cylindrical inner surface of the outer shell. An armature centered by springs is reciprocably supported in the chamber and includes at least two axially spaced radially magnetized permanent magnets mounted on a longitudinally extending magnetic steel tube. The magnets extend in general alignment with the coils. Controlled energizing of the coils reciprocates the armature axially relative to the shell to develop an opposite inertia force on the shell for application to a connected body. The use of multiple radially magnetized magnets provides for improved performance and/or reduced cost.
REFERENCES:
patent: 5434549 (1995-07-01), Hirabayashi et al.
patent: 5896076 (1999-04-01), van Namen
patent: 5947155 (1999-09-01), Miki et al.
patent: 6422533 (2002-07-01), Harms
patent: 6960847 (2005-11-01), Suzuki et al.
Goodwin William C.
Reynolds Michael G.
Enad Elvin
Rojas Bernard
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