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Class Information
Number: 363/174
Name: Electric power conversion systems > Frequency conversion (f1-f2) without intermediate conversion to d.c. > By induction-type converter > Dynamoelectric machine
Description: Subject matter wherein the converter includes a dynamoelectric machine.

Sub-classes under this class:

Class Number Class Name Patents
363/176 Including induction motor 3
363/175 Motor generator type 9

Patents under this class:

Patent Number Title Of Patent Date Issued
8553432 Power transmission method and power transmission apparatus Oct. 8, 2013
7589481 Control device integrated dynamo-electric machine Sep. 15, 2009
7321835 Method for improving the mode of operation of a matrix converter Jan. 22, 2008
7088027 Rotating asynchronous converter and a generator device Aug. 8, 2006
6906447 Rotating asynchronous converter and a generator device Jun. 14, 2005
5953225 Power flow control and power recovery with rotary transformers Sep. 14, 1999
5757728 Acoustic transmitter May. 26, 1998
4914373 Generator set for use on a building site Apr. 3, 1990
4390941 Static magnetic frequency multiplies Jun. 28, 1983
4387419 Stationary magnetic frequency multiplier Jun. 7, 1983
4378587 Frequency converter apparatus Mar. 29, 1983
4168459 Non-interruptible power supply systems Sep. 18, 1979
4079307 Alternating current generating device Mar. 14, 1978
4035712 Electrical generating apparatus Jul. 12, 1977
4035711 Rotary frequency-changer Jul. 12, 1977

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