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Class Information
Number: 363
Name: Electric power conversion systems >
Description: This is a restricted class for conversion systems wherein a single electrical source circuit is coupled to a single electrical load circuit.










Class Number Class Name No. of Patents
363/1

Cascaded or combined, diverse conversions in which the frequency or phase or combined conversion is without intermediate conversion to d.c.

8
363/9

Combined phase and frequency conversion (i.e., ph1f1-ph2f2)

17
363/11

By electron tube converter

1
363/12

By saturable reactor converter

8
363/10

By semiconductor device converter

40
363/8

Current and frequency (e.g., f1-f2-d.c.)

57
363/2

Current and phase (e.g., d.c.-ph1-ph2)

15
363/3

Phase 1 to phase 2 to d.c.

17
363/4

Single phase to polyphase to d.c.

8
363/7

With dynamic rectifier in phase 2 to d.c. stage (e.g., commutator type)

1
363/5

With interphase transformer

23
363/6

Including plural anode/single cathode device

0
363/13

Current conversion

56
 

Current conversion

 
363/106

By circuit interrupter type

7
363/107

Rotating

3
363/109

Inverter (i.e., d.c.-a.c.)

37
363/108

Rectifier (i.e., a.c.-d.c.)

19
363/110

Vibrating

2
363/73

Constant current to constant voltage or vice versa

68
363/14

Cryogenic

34
 

Cryogenic

 
 

Including d.c.- a.c.- d.c. converter

 
 

Bridge type

 
363/146

Encased in plug housing

186
363/65

Having plural converters for single conversion

669
363/66

Including plural anodes and single cathode (e.g., vapor arc device)

1
363/71

Plural inverters

671
363/72

Master-slave

127
363/67

Plural rectifiers

123
363/69

In parallel

130
363/70

Including semiconductor device

135
363/68

In series (e.g., series scr's, bridge circuits, etc.)

162
363/34

Including an a.c.-d.c.-a.c. converter

303
363/38

By electron tube rectifier and inverter

5
363/37

By semiconductor rectifier and inverter

1083
363/36

For change of phase (e.g., number of phases)

80
363/35

For transfer of power via a high voltage d.c. link (i.e., hvdc transmission system)

222
363/50

Including automatic or integral protection means

285
363/51

For high voltage d.c. transmission systems

150
363/55

For inverters

166
363/57

Thyristor inverter

121
363/58

Bridge type

229
363/56.01

Transistor inverter

203
363/56.02

Bridge type

166
363/56.03

Having current protection (e.g., over current, short, etc.)

187
363/56.04

Including short protection across a series-connected pair of transistors (e.g., shoot-through protection, etc.)

84
363/56.05

Having voltage protection

132
363/56.06

Double-ended type

53
363/56.07

Having current protection

65
363/56.08

Having voltage protection

45
363/56.09

Single-ended type

99
363/56.1

Having current protection

185
363/56.11

Having voltage protection

206
363/56.12

Transient protection (e.g., snubber, etc.)

127
363/52

For rectifiers

100
363/53

Semiconductor type

202
363/54

Thyristor

170
363/15

Including d.c.-a.c.-d.c. converter

203
363/29

Having electron-tube inverter

2
363/31

Double-ended type (i.e., push-pull)

6
363/30

Single-ended type

5
363/27

Having thyristor inverter (e.g., scr, etc.)

50
363/28

With automatic control of the magnitude of output voltage or current

73
363/16

Having transistorized inverter

760
363/17

Bridge type

1127
363/22

Double-ended (i.e., push-pull), self-oscillating type

86
363/23

With automatic control of the magnitude of output voltage or current

66
363/24

Double-ended (i.e., push-pull), separately-driven type

226
363/25

With automatic control of the magnitude of output voltage or current

249
363/26

Utilizing pulse-width modulation

276
363/18

Single-ended, self-oscillating type

128
363/19

With automatic control of the magnitude of output voltage or current

318
363/20

Single-ended, separately-driven type

429
363/21.01

With automatic control of the magnitude of output voltage or current

365
363/21.12

For flyback-type converter

533
363/21.13

Having digital logic

226
363/21.15

Having feedback isolation (e.g., optoisolator, transformer coupled, etc.)

275
363/21.16

Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.)

382
363/21.17

Having output current feedback

205
363/21.14

Having synchronous rectifier

221
363/21.18

Utilizing pulse-width modulation

417
363/21.04

For forward-type converter

289
363/21.05

Having digital logic

122
363/21.07

Having feedback isolation (e.g., optoisolator, transformer coupled, etc.)

184
363/21.08

Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.)

209
363/21.09

Having output current feedback

150
363/21.06

Having synchronous rectifier

275
363/21.1

Utilizing pulse-width modulation

266
363/21.11

Having particular pulse-width modulation circuit

141
363/21.02

For resonant-type converter

323
363/21.03

Having particular zero-switching control circuit (e.g., for quasi-resonant converter, etc.)

143
363/32

Rotary-commutator-type inverter

5
363/33

Vibrator-type inverter

4
363/147

Integrated circuit

183
363/102

Using dynamoelectric machine converter

14
363/103

Plural collector type

1
363/105

Having auxiliary motor drive

0
363/104

Having plural field windings

0
363/111

Using electronic tube converter

1
363/120

In inverter systems

12
363/121

With discharge control means (e.g., grid)

5
363/122

Grid-like electrode

3
363/114

In rectifier systems

4
363/116

With discharge control means (e.g., grid)

5
363/117

D.c. bias control

1
363/119

Particular waveform grid excitation

1
363/118

Phase angle control

2
363/115

With retarding or delaying control means

2
363/113

With cathode element control

0
363/112

With gap in open atmosphere

4
363/140

Using impedance-type converter

32
363/123

Using semiconductor-type converter

75
363/124

In chopper converter systems

334
363/125

In rectifier systems

217
363/126

Diode

444
363/128

Thyristor

97
363/129

Plural phase to d.c.

142
363/130

With magnetic control means

6
363/127

Transistor

603
363/135

In thyristor inverter systems

106
363/136

Bridge type

157
363/137

D.c. to plural phase

111
363/138

With commutation means

126
363/139

Double ended (i.e., push-pull) type

27
363/131

In transistor inverter systems

686
363/132

Bridge type

1467
363/133

Double ended (i.e., push-pull) type

186
363/134

Separately driven

237
363/101

With auxiliary bucking or boosting emf

72
363/74

With condition responsive means to control the output voltage or current

136
363/78

Cooperating separate sensing and control means

82
363/95

For inverter

502
363/99

With electron tube or valve control means in the line circuit

6
363/96

With thyristor control means in the line circuit

230
363/97

With transistor control means in the line circuit

1438
363/98

For bridge-type inverter

1409
363/84

For rectifier system

157
363/94

With electron tube or valve control means in the line circuit

2
363/90

With inductive control means in the line circuit

79
363/91

Saturable reactor (e.g., magnetic amplifier)

65
363/92

In plural phase to d.c. system

16
363/93

With plural control windings

19
363/85

With thyristor control means in the line circuit

48
363/86

External to rectifier (e.g., pre or post regulation)

110
363/88

For full wave rectifier with at least 1 three electrode device

43
363/87

For plural phase to d.c. rectifier

148
363/89

With transistor control means in the line circuit

985
363/79

Including plural sensing or control means

174
363/81

By rectifier

125
363/83

With electron tube or valve as control means in the line circuit

1
363/82

With inductive control means in the line circuit

50
363/80

With transistor as control means in the line circuit

188
363/75

Including inductive integral sensing and control means (e.g., ferroresonant circuit)

72
363/76

Including integral sensing and control means for rectifier

18
363/77

With semiconductor conversion means

13
363/144

With conductive support mounting

222
363/145

Adapted for use with alternators

83
363/141

With cooling means

365
363/64

With interphase transformer

52
363/100

With manual control of the output voltage or current

18
363/142

With means to connect the input to diverse power sources

178
363/143

110/220 volts a.c. in, constant 110 volts d.c. out

100
363/39

With means to introduce or eliminate frequency components

426
363/40

In inverter systems

440
363/41

By pulse modulation technique (e.g., pwm, ppm, etc.)

964
363/42

Including notching

48
363/43

By step-wave, amplitude summation technique

145
363/44

In rectifier systems

292
363/45

Including means for reducing ripples from the output

144
363/47

With low pass l or lc filter

148
363/48

For semiconductor rectifier

139
363/46

With ripple responsive, automatic control

112
363/63

With means to selectively provide d.c. of either polarity

111
363/49

With starting arrangement

603
363/62

With voltage division by storage type impedance (i.e., v out)

110
363/59

With voltage multiplication means (i.e., v out > v in)

459
363/60

Including semiconductor means

825
363/61

For rectifying

220
363/157

Frequency conversion (f1-f2) without intermediate conversion to d.c.

41
363/177

By circuit interrupter converter

6
363/166

By electron tube converter

0
363/167

With discharge control means

1
363/168

Including plural anodes and single cathode device (e.g., vapor arc device)

0
363/169

Thyratron type

0
363/170

By induction-type converter

12
363/174

Dynamoelectric machine

15
363/176

Including induction motor

3
363/175

Motor generator type

9
363/173

Lc circuit

5
363/171

Transformer

18
363/172

Saturable core

6
363/159

By semiconductor converter

72
363/160

Thyristor type

73
363/161

Positive and negative groups

50
363/162

Including blanking or inhibiting means

4
363/163

Transistor type

72
363/158

By varactor

9
363/165

With automatic frequency control

45
363/164

With automatic voltage magnitude control

38
363/178

Miscellaneous

26
363/148

Phase conversion (ph1-ph2) without intermediate conversion to d.c.

40
363/150

By dynamoelectric machine converter

14
363/151

By electron tube converter

1
363/152

By induction-type converter

12
363/153

Transformer type

14
363/154

Stationary

29
363/155

With passive phase shift element

11
363/156

By passive phase shift elements

6
363/149

With automatic voltage magnitude or phase angle control

37
 
 
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