Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2006-11-28
2010-12-14
Leung, Quyen (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S049310, C310S103000, C310S104000, C310S154160, C310S154360, C310S368000
Reexamination Certificate
active
07851957
ABSTRACT:
A magnetic bearing assembly for a rotatable support apparatus includes a first stationary section, a second section disposed on the first section and a shaft member secured to the base section and passing through the first section. The shaft member defines an axle for rotation for the first section wherein the magnetic bearing assembly is defined by at least one pair of magnets disposed in relation to the shaft member, the at least one pair of magnets including magnetic face surfaces aligned such that a repelling field is established between the at least one pair of magnets, wherein the first section is attached to at least one of the magnets.
REFERENCES:
patent: 2254698 (1941-09-01), Hansen, Jr.
patent: 2340122 (1944-01-01), Hansen, Jr.
patent: 2585788 (1952-01-01), Mendelsohn
patent: 2585714 (1952-02-01), Wrobel et al.
patent: 2725266 (1955-11-01), Menselsohn
patent: 2747944 (1956-05-01), Baermann
patent: 3029824 (1962-04-01), Goodell
patent: 3114582 (1963-12-01), Milligan
patent: 3196566 (1965-07-01), Littlefield
patent: 3243238 (1966-03-01), Lyman
patent: 3493274 (1970-02-01), Emslie et al.
patent: 3614181 (1971-10-01), Meeks
patent: 3793275 (1974-02-01), Stone et al.
patent: 3874778 (1975-04-01), Kato et al.
patent: 4405286 (1983-09-01), Studer
patent: 4432441 (1984-02-01), Kurokawa
patent: 4486729 (1984-12-01), Lee
patent: 4563046 (1986-01-01), Shimamoto
patent: 4819388 (1989-04-01), Kirkland
patent: 5043615 (1991-08-01), Oshima
patent: 5182533 (1993-01-01), Ritts
patent: 5610463 (1997-03-01), Dunfield et al.
patent: 5616976 (1997-04-01), Fremerey et al.
patent: 5619083 (1997-04-01), Dunfield et al.
patent: 5635784 (1997-06-01), Seale
patent: 5894181 (1999-04-01), Imlach
patent: 5986373 (1999-11-01), Stucker
patent: 6262505 (2001-07-01), Hockney et al.
patent: 6806605 (2004-10-01), Gabrys
patent: 7117998 (2006-10-01), Krapf
patent: 2003/0029066 (2003-02-01), Venn
patent: 2003/0197439 (2003-10-01), Kuipers et al.
patent: 2004/0021381 (2004-02-01), Garvey
patent: 2005/0242262 (2005-11-01), Krapf et al.
patent: 2006/0028203 (2006-02-01), Kawashima et al.
patent: 02255465 (1990-10-01), None
Partial Translation (Abstract and Constitution) JP02255465A (1990).
Deats John
Krapf Wallace A.
O'Connell Ryan J.
Gonzalez Quinones Jose A
Hiscock & Barclay LLP
Leung Quyen
W.A. Krapf, Inc.
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