Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2006-12-05
2006-12-05
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S259000, C335S268000, C251S129020, C251S129100
Reexamination Certificate
active
07145424
ABSTRACT:
What is disclosed is a lifting magnet assembly for a servo valve or control valve comprising a proportional magnet which acts on a valve spool of the control valve or servo valve through a tappet. Between the spool and the proportional magnet a failsafe magnet is provided which is penetrated or encompassed by the tappet of the proportional magnet.
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Olems Lars
Schempp Roland
Barrera Ramon M.
Bosch Rexroth AG
Oliff & Berridg,e PLC
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