Data processing: generic control systems or specific application – Specific application – apparatus or process – Electrical power generation or distribution system
Reexamination Certificate
2008-05-09
2011-11-08
Hartman, Jr., Ronald (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Electrical power generation or distribution system
C700S287000, C416S026000, C416S027000, C416S043000, C416S044000, C416S089000, C416S104000, C290S044000, C290S055000
Reexamination Certificate
active
08055390
ABSTRACT:
Controller for a blade adjustment angle for at least one rotor blade of a wind power plant, in which a first controller branch is switched for the determination of the blade adjustment angle depending on the operating states of the wind power plant, wherein at least one differentiating member is provided in the switched first controller branch.
REFERENCES:
patent: 4160170 (1979-07-01), Harner et al.
patent: 4161658 (1979-07-01), Patrick
patent: 4189648 (1980-02-01), Harner
patent: 4656362 (1987-04-01), Harner et al.
patent: 4671737 (1987-06-01), Whitehouse
patent: 5083039 (1992-01-01), Richardson et al.
patent: 5155375 (1992-10-01), Holley
patent: 5779446 (1998-07-01), Althof et al.
patent: 6137187 (2000-10-01), Mikhail et al.
patent: 6853094 (2005-02-01), Feddersen et al.
patent: 6856040 (2005-02-01), Feddersen et al.
patent: 6933625 (2005-08-01), Feddersen et al.
patent: 7081689 (2006-07-01), Tilscher et al.
patent: 7175390 (2007-02-01), Wobben
patent: 7855469 (2010-12-01), Stegemann et al.
patent: 2003/0151259 (2003-08-01), Feddersen et al.
patent: 2004/0094964 (2004-05-01), Mikhail et al.
patent: 2008/0069692 (2008-03-01), Oohara et al.
patent: 2009/0162202 (2009-06-01), Nies et al.
patent: 3118259 (1982-12-01), None
patent: 69824965 (2005-08-01), None
patent: 2023237 (1979-12-01), None
“Taschenbuch der Regelungstechnik”, H. Lutz, W. Wendt, “Element von Regeleinrichtungen und Regelstrecheken”, pp. 158-159.
“Windkraftanlagen”, 3rd Edition, Springer, Verlag, Chapter 6.3 by Erich Hauck. (Attached is English version of 2nd Edition, “Wind Turbines” 2nd Edition, to aid Examiner in the technical background.
Bossanyi, “The Design of Closed Loop Controllers for Wind Turbines.” Wind Energy 2000: 3: 149-163.
Hartman, Jr. Ronald
Nordex Energy GmbH
Vidas Arrett & Steinkraus P.A.
LandOfFree
Controller for a blade adjustment angle of at least one... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Controller for a blade adjustment angle of at least one..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controller for a blade adjustment angle of at least one... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4297882