Electricity: motive power systems – Switched reluctance motor commutation control
Reexamination Certificate
2005-10-31
2009-12-22
Ip, Paul (Department: 2837)
Electricity: motive power systems
Switched reluctance motor commutation control
C318S434000, C318S721000, C318S700000
Reexamination Certificate
active
07635959
ABSTRACT:
A compressor is powered by a motor which is, in turn, powered by a variable speed drive (VSD). The switching frequency and voltage/frequency relationship of the VSD may be adjusted dynamically to maximize efficiency.
REFERENCES:
patent: 4050006 (1977-09-01), Stich
patent: 4663942 (1987-05-01), Kanazawa
patent: 4724680 (1988-02-01), Kawai
patent: 5604672 (1997-02-01), Yoshida et al.
patent: 5857349 (1999-01-01), Hamaoka et al.
patent: 5971733 (1999-10-01), Huang
patent: 6014004 (2000-01-01), Hamaoka et al.
patent: 6462492 (2002-10-01), Sakamoto et al.
patent: 6501240 (2002-12-01), Ueda et al.
patent: 6768284 (2004-07-01), Lee et al.
patent: 6977474 (2005-12-01), Ueda et al.
patent: 7102306 (2006-09-01), Hamaoka et al.
patent: 7102903 (2006-09-01), Nakamura et al.
patent: 7425806 (2008-09-01), Schnetzka et al.
patent: 2001/0005320 (2001-06-01), Ueda et al.
patent: 2003/0067278 (2003-04-01), Nakamura et al.
patent: 2004/0062062 (2004-04-01), Lee et al.
patent: 2005/0189904 (2005-09-01), Wills et al.
Holden Steven J.
Holmes Cornelius
Sishtla Vishnu M.
Bachman & LaPointe P.C.
Carrier Corporation
Ip Paul
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