Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29443/49A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
665,336. Automatic voltage control systems. PHILIPS ELECTRICAL, Ltd. Nov. 17, 1949 [Nov. 20, 1948], No. 29443/49. Drawings to Specification. Class 38 (iv). The output voltage of an alternator is maintained constant by varying the speed within the range of 0.8 to 1.2 times normal. A squirrel cage capacitor motor is connected to the alternator output, the windings being so dimensioned that the motor torque is independent of frequency, the torque being used to control the speed of the engine driving the alternator.
GB29443/49A1948-11-201949-11-17Improvements in or relating to means for controlling the speed of alternators
ExpiredGB665336A
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