Electricity: motive power systems – Power factor control of armature or line circuit
Reexamination Certificate
2009-10-29
2010-12-21
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Power factor control of armature or line circuit
C318S727000, C318S809000, C318S729000, C323S300000, C323S302000, C323S205000, C323S329000, C327S448000, C327S236000, C327S248000, C327S447000, C327S588000
Reexamination Certificate
active
07855524
ABSTRACT:
A voltage control circuit is disclosed. A power factor corrector may utilize the control circuit to provide power factor correction for an AC induction motor. An AC induction motor system may combine the power factor correct with an AC induction motor.
REFERENCES:
patent: 3959719 (1976-05-01), Espelage
patent: 4039914 (1977-08-01), Steigerwald et al.
patent: 4052648 (1977-10-01), Nola
patent: 4064419 (1977-12-01), Peterson
patent: 4151387 (1979-04-01), Peters, Jr.
patent: 4249120 (1981-02-01), Earle
patent: 4314190 (1982-02-01), Walker et al.
patent: 4344025 (1982-08-01), Okuyama et al.
patent: 4348631 (1982-09-01), Gyugyi et al.
patent: 4379258 (1983-04-01), Sugimoto
patent: 4408149 (1983-10-01), Collins et al.
patent: 4417190 (1983-11-01), Nola
patent: 4426609 (1984-01-01), Nagy et al.
patent: 4433276 (1984-02-01), Nola
patent: 4439718 (1984-03-01), Nola
patent: 4448852 (1984-05-01), Bose et al.
patent: 4454462 (1984-06-01), Spann
patent: 4459528 (1984-07-01), Nola
patent: 4459529 (1984-07-01), Johnson
patent: 4581568 (1986-04-01), Fitzpatrick et al.
patent: 4677364 (1987-06-01), Williams et al.
patent: 4688162 (1987-08-01), Mutoh et al.
patent: 4710692 (1987-12-01), Libert et al.
patent: 4767975 (1988-08-01), Unsworth
patent: 4780660 (1988-10-01), Shima et al.
patent: 4833628 (1989-05-01), Curran, Jr.
patent: 4912390 (1990-03-01), Curran, Jr. et al.
patent: 4950970 (1990-08-01), Davis, Jr. et al.
patent: 4954960 (1990-09-01), Lo et al.
patent: 5075613 (1991-12-01), Fisher
patent: 5134356 (1992-07-01), El-Sharkawi et al.
patent: 5162965 (1992-11-01), Milberger et al.
patent: 5187427 (1993-02-01), Erdman
patent: 5241256 (1993-08-01), Hatanaka et al.
patent: 5471125 (1995-11-01), Wu
patent: 5471127 (1995-11-01), Vaughan et al.
patent: 5517401 (1996-05-01), Kinoshita et al.
patent: 5548203 (1996-08-01), Kemerer et al.
patent: 5559688 (1996-09-01), Pringle
patent: 5561356 (1996-10-01), Nanos
patent: 5635826 (1997-06-01), Sugawara
patent: 5637975 (1997-06-01), Pummer et al.
patent: 5684377 (1997-11-01), Kim et al.
patent: 5723966 (1998-03-01), Straka et al.
patent: 5754036 (1998-05-01), Walker
patent: 5818238 (1998-10-01), DeVilbiss
patent: 5923143 (1999-07-01), Cosan et al.
patent: 6194881 (2001-02-01), Parker et al.
patent: 6281658 (2001-08-01), Han et al.
patent: 6954046 (2005-10-01), Cashatt
patent: 6980445 (2005-12-01), Fukumoto et al.
patent: 7019498 (2006-03-01), Pippin et al.
patent: 2008/0094021 (2008-04-01), Garza
Hisayuki Sugimura et al. “Single Phase Utility Frequency AC-High Frequency AC Matrix Converter Using One-Chip Reverse Blocking IGBTs based Bidirectional Switches”, KIEE (the Korean Institute of Electrical Engineers) EMECS Conference, 2006, pp. 125-128.
Cowern, “Power Factor Correction On Single Induction Motors” Jan 1, 1998 <http://www.ecmweb.com/mag/electric—power—factor—correction/index.html> , 2 pages.
Q. Li and J. J. Cathey, “Input power factor correction, variable-speed, single-phase induction motor control suitable for retrofit applications”. International Journal of Electronics, vol. 93. Issue 3 Mar. 2005, pp. 149-165.
Vinaya Skanda, “Integrated Power Factor Correctlon (PFC) and Sensorless Field Oriented Control (FOC) System”, Microchip Technology Inc. Jan. 2, 2008, DS01208A-p. 1-22 <http://ww1.microchip.com/downloads/en/AppNotes/01208A.pdf>.
University of Wollongong, “Power Factor Correction and Its Pitfalls”, Technical Note No. 2, May 1999, pp. 1-8 <http://www.elec.uow.edu.au/iepqrc/files/technote2.pdf>.
Jun Narushima et al., “Application of Magnetic Energy Recovery Switch (MERS) for Power Factor Correction”, IPEC-Niigata 2005, Apr. 4-8, 2005, Toki Masse, Niigata, Japan, 22 pages <http://www.ns.titech.ac.jp/˜rshimada/?plugin=attach&refer=2005%C7%AF%C5%D9&openfile=IPEC2005—narushima.pdf>.
Jon Burroughs, “Exploiting Three-phase, Variable-speed AC Induction Motor Capabilities”, Microchip, Motor Control for White Goods, Apr. 2007, pp. 30-32, http://www.embedded-control-europe.com/c—ece—knowhow/20/ECEapr07p30.pdf>.
Ralph A. Frye III, P. E., “Power Factor Correction”, Wagester & Lease, Inc., Port-Land Systems, Inc., 2003, 3pages <http://www.wagesterlease.com/aboutus/articles/powerfactor.html>.
PFC Engineering, “Big Savings from Power Factor Correction Equipment”, Engineeringtalk.com, Mar 5, 2001, 4 pages <http://www.engineeringtalk.com
ews/pfc/pfc101.html>.
U.S. Appl. No. 12/203,808 to Alexander Pummer filed Sep. 3, 2008.
Notice of Allowance and Fee(s) Due dated Aug. 11, 2009 for U.S. Appl. No. 12/203,808.
Davis John F.
Isenberg Joshua D.
JDI Patent
Leykin Rita
Powers John E.
LandOfFree
Voltage control and power factor correction in AC induction... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Voltage control and power factor correction in AC induction..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Voltage control and power factor correction in AC induction... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4202615