Class 363: ELECTRIC POWER CONVERSION SYSTEMS ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
363
ELECTRIC POWER CONVERSION SYSTEMS


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Subclass Title
ClassTitle ===> ELECTRIC POWER CONVERSION SYSTEMS
1[Patents]CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C.
2[Patents] . Current and phase (e.g., D.C.-Ph1-Ph2)
3[Patents] . . Phase 1 to phase 2 to D.C.
4[Patents] . . . Single phase to polyphase to D.C.
5[Patents] . . . With interphase transformer
6[Patents] . . . . Including plural anode/single cathode device
7[Patents] . . . With dynamic rectifier in phase 2 to D.C. stage (e.g., commutator type)
8[Patents] . Current and frequency (e.g., f1-f2-D.C.)
9[Patents] . Combined phase and frequency conversion (i.e., Ph1f1-Ph2f2)
10[Patents] . . By semiconductor device converter
11[Patents] . . By electron tube converter
12[Patents] . . By saturable reactor converter
13[Patents]CURRENT CONVERSION
14[Patents] . Cryogenic
15[Patents] . Including D.C.-A.C.-D.C. converter
16[Patents] . . Having transistorized inverter
17[Patents] . . . Bridge type
18[Patents] . . . Single ended self oscillating type
19[Patents] . . . . With automatic control of the magnitude of the output voltage or current
20[Patents] . . . Single ended separately driven type
21[Patents] . . . . With automatic control of the magnitude of the output voltage or current
22[Patents] . . . Double ended (i.e., push-pull) self oscillating tye
23[Patents] . . . . With automatic control of the magnitude of the output voltage or current
24[Patents] . . . Double ended (i.e., push-pull) separately driven type
25[Patents] . . . . With automatic control of the magnitude of the output voltage or current
26[Patents] . . . . . Using pulse with modulation
27[Patents] . . Having thyristor inverter (e.g., SCR)
28[Patents] . . . With automatic control of the magnitude of the output voltage or current
29[Patents] . . Having electron tube inverter
30[Patents] . . . Single ended type
31[Patents] . . . Double ended type (i.e., push-pull)
32[Patents] . . Rotary-commutator-type inverter
33[Patents] . . Vibrator-type inverter
34[Patents] . Including an A.C.-D.C.-A.C. converter
35[Patents] . . For transfer of power via a high voltage D.C. link (i.e., HVDC transmission system)
36[Patents] . . For change of phase (e.g., number of phases)
37[Patents] . . By semiconductor rectifier and inverter
38[Patents] . . By electron tube rectifier and inverter
39[Patents] . With means to introduce or eliminate frequency components
40[Patents] . . In inverter systems
41[Patents] . . . By pulse modulation technique (e.g., PWM, PPM, etc.)
42[Patents] . . . . Including notching
43[Patents] . . . By step-wave, amplitude summation technique
44[Patents] . . In rectifier systems
45[Patents] . . . Including means for reducing ripples from the output
46[Patents] . . . . With ripple responsive, automatic control
47[Patents] . . . . With low pass L or LC filter
48[Patents] . . . . . For semiconductor rectifier
49[Patents] . With starting arrangement
50[Patents] . Including automatic or integral protection means
51[Patents] . . For high voltage D.C. transmission systems
52[Patents] . . For rectifiers
53[Patents] . . . Semiconductor type
54[Patents] . . . . Thyristor
55[Patents] . . For inverters
56[Patents] . . . Semiconductor type
57[Patents] . . . . Thyristor
58[Patents] . . . . . Bridge
59[Patents] . With voltage multiplication means (i.e., V out > V in)
60[Patents] . . Including semiconductor means
61[Patents] . . . For rectifying
62[Patents] . With voltage division by storage type impedance (i.e., V out)
63[Patents] . With means to selectively provide D.C. of either polarity
64[Patents] . With interphase transformer
65[Patents] . Having plural converters for single conversion
66[Patents] . . Including plural anodes and single cathode (e.g., vapor arc device)
67[Patents] . . Plural rectifiers
68[Patents] . . . In series (e.g., series SCR's, bridge circuits, etc.)
69[Patents] . . . In parallel
70[Patents] . . . . Including semiconductor device
71[Patents] . . Plural inverters
72[Patents] . . . Master-slave
73[Patents] . Constant current to constant voltage or vice versa
74[Patents] . With condition responsive means to control the output voltage or current
75[Patents] . . Including inductive integral sensing and control means (e.g., ferroresonant circuit)
76[Patents] . . Including integral sensing and control means for rectifier
77[Patents] . . . With semiconductor conversion means
78[Patents] . . Cooperating separate sensing and control means
79[Patents] . . . Including plural sensing or control means
80[Patents] . . . . With transistor as control means in the line circuit
81[Patents] . . . . By rectifier
82[Patents] . . . . . With inductive control means in the line circuit
83[Patents] . . . . . With electron tube or valve as control means in the line circuit
84[Patents] . . . For rectifier system
85[Patents] . . . . With thyristor control means in the line circuit
86[Patents] . . . . . External to rectifier (e.g., pre or post regulation)
87[Patents] . . . . . For plural phase to D.C. rectifier
88[Patents] . . . . . For full wave rectifier with at least 1 three electrode device
89[Patents] . . . . With transistor control means in the line circuit
90[Patents] . . . . With inductive control means in the line circuit
91[Patents] . . . . . Saturable reactor (e.g., magnetic amplifier)
92[Patents] . . . . . . In plural phase to D.C. system
93[Patents] . . . . . . With plural control windings
94[Patents] . . . . With electron tube or valve control means in the line circuit
95[Patents] . . . For inverter
96[Patents] . . . . With thyristor control means in the line circuit
97[Patents] . . . . With transistor control means in the line circuit
98[Patents] . . . . . For bridge-type inverter
99[Patents] . . . . With electron tube or valve control means in the line circuit
100[Patents] . With manual control of the output voltage or current
101[Patents] . With auxiliary bucking or boosting EMF
102[Patents] . Using dynamoelectric machine converter
103[Patents] . . Plural collector type
104[Patents] . . . Having plural field windings
105[Patents] . . . Having auxiliary motor drive
106[Patents] . By circuit interrupter type
107[Patents] . . Rotating
108[Patents] . . . Rectifier (i.e., A.C.-D.C.)
109[Patents] . . . Inverter (i.e., D.C.-A.C.)
110[Patents] . . Vibrating
111[Patents] . Using electronic tube converter
112[Patents] . . With gap in open atmosphere
113[Patents] . . With cathode element control
114[Patents] . . In rectifier systems
115[Patents] . . . With retarding or delaying control means
116[Patents] . . . With discharge control means (e.g., grid)
117[Patents] . . . . D.C. bias control
118[Patents] . . . . Phase angle control
119[Patents] . . . . Particular waveform grid excitation
120[Patents] . . In inverter systems
121[Patents] . . . With discharge control means (e.g., grid)
122[Patents] . . . . Grid-like electrode
123[Patents] . Using semiconductor-type converter
124[Patents] . . In chopper converter systems
125[Patents] . . In rectifier systems
126[Patents] . . . Diode
127[Patents] . . . Transistor
128[Patents] . . . Thyristor
129[Patents] . . . . Plural phase to D.C.
130[Patents] . . . . With magnetic control means
131[Patents] . . In transistor inverter systems
132[Patents] . . . Bridge type
133[Patents] . . . Double ended (i.e., push-pull) type
134[Patents] . . . . Separately driven
135[Patents] . . In thyristor inverter systems
136[Patents] . . . Bridge type
137[Patents] . . . . D.C. to plural phase
138[Patents] . . . . . With commutation means
139[Patents] . . . Double ended (i.e., push-pull) type
140[Patents] . Using impedance-type converter
141[Patents] . With cooling means
142[Patents] . With means to connect the input to diverse power sources
143[Patents] . . 110/220 Volts A.C. in, constant 110 Volts D.C. out
144[Patents] . With conductive support mounting
145[Patents] . . Adapted for use with alternators
146[Patents] . Encased in plug housing
147[Patents] . Integrated circuit
148[Patents]PHASE CONVERSION (Ph1-Ph2) WITHOUT INTERMEDIATE CONVERSION TO D.C.
149[Patents] . With automatic voltage magnitude or phase angle control
150[Patents] . By dynamoelectric machine converter
151[Patents] . By electron tube converter
152[Patents] . By induction-type converter
153[Patents] . . Transformer type
154[Patents] . . . Stationary
155[Patents] . . . . With passive phase shift element
156[Patents] . By passive phase shift elements
157[Patents]FREQUENCY CONVERSION (f1-f2) WITHOUT INTERMEDIATE CONVERSION TO D.C.
158[Patents] . By varactor
159[Patents] . By semiconductor converter
160[Patents] . . Thyristor type
161[Patents] . . . Positive and negative groups
162[Patents] . . . . Including blanking or inhibiting means
163[Patents] . . Transistor type
164[Patents] . With automatic voltage magnitude control
165[Patents] . With automatic frequency control
166[Patents] . By electron tube converter
167[Patents] . . With discharge control means
168[Patents] . . . Including plural anodes and single cathode device (e.g., vapor arc device)
169[Patents] . . . Thyratron type
170[Patents] . By induction-type converter
171[Patents] . . Transformer
172[Patents] . . . Saturable core
173[Patents] . . LC circuit
174[Patents] . . Dynamoelectric machine
175[Patents] . . . Motor generator type
176[Patents] . . . Including induction motor
177[Patents] . By circuit interrupter converter
178[Patents]MISCELLANEOUS


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Last Modified: 6 October 2000