Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2007-06-05
2007-06-05
Nguyen, Cuong (Department: 2811)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S278000, C335S255000, C335S262000, C335S281000
Reexamination Certificate
active
11070265
ABSTRACT:
An electromagnetic actuator comprises an driven member and magnetostrictive elements which change the dimensions thereof when activated or deactivated by selectively applying magnetic flux therein. The driven member is moved in a selected direction when the appropriate elements are activated and deactivated in a controlled manner.
REFERENCES:
patent: 2843974 (1958-07-01), Butterworth et al.
patent: 3138749 (1964-06-01), Stibitz
patent: 3389274 (1968-06-01), Robertson
patent: 3649856 (1972-03-01), O'Neill
patent: 3902084 (1975-08-01), May, Jr.
patent: 3902085 (1975-08-01), Bizzigotti
patent: 4874979 (1989-10-01), Rapp
patent: 4959567 (1990-09-01), Ealey et al.
patent: 5013945 (1991-05-01), Adolfsson
patent: 5027027 (1991-06-01), Orbach et al.
patent: 5039894 (1991-08-01), Teter et al.
patent: 5148735 (1992-09-01), Veletovac
patent: 5281875 (1994-01-01), Kiesewetter et al.
patent: 5317223 (1994-05-01), Kiesewetter et al.
patent: 5319257 (1994-06-01), McIntyre
patent: 5332942 (1994-07-01), Rennex
patent: 5389845 (1995-02-01), Brimhall
patent: 6040643 (2000-03-01), Bruns
patent: 6246132 (2001-06-01), Joshi et al.
patent: 6246157 (2001-06-01), Oliver et al.
patent: 6292077 (2001-09-01), Kaizuka et al.
patent: 6300692 (2001-10-01), Joyce
patent: 6483208 (2002-11-01), Hooley
patent: 6501359 (2002-12-01), Matsusaka et al.
patent: 6526864 (2003-03-01), Lindler et al.
patent: 6556114 (2003-04-01), Guillemin et al.
patent: 2004/0045148 (2004-03-01), Moler
International Search Report for corresponding PCT International Application No. PCT/CA2006/000299.
Vranish et al., “Magnetostrictive Direct Drive Rotary Motor Development ” IEEE Transactions on Magnetics, vol. 27, Issue 6, Part 2, Nov. 1991, pp. 5355-5357.
Nguyen Cuong
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
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