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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 322 | ELECTRICITY: SINGLE GENERATOR SYSTEMS |
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1 | PORTABLY MOUNTED |
2R | NONMAGNETIC-TYPE GENERATOR |
3 | RECIPROCATING AND/OR OSCILLATING-TYPE GENERATOR |
4 | WITH FLYWHEELS OR MASSIVE MOVING PARTS |
5 | WITH GENERATOR POLARITY CONTROL |
7 | COMBINED CONTROL OF GENERATING MEANS AND LOAD CIRCUIT |
9 | PLURAL DRIVING MEANS |
10 | WITH PHYSICAL STARTING AND/OR STOPPING OF THE GENERATOR |
11 | Automatic in response to predetermined conditions |
12 | Connecting and/or disconnecting generator and driving means |
13 | Electric motor as driving means |
14 | COMBINED CONTROL OF GENERATOR AND DRIVING MEANS |
17 | AUTOMATIC CONTROL OF GENERATOR OR DRIVING MEANS |
18 | With time-delay in the response |
19 | Antihunting or rate of change |
20 | Power factor or phase relationships |
21 | With line-drop compensation |
22 | Plural conditions |
26 | Light or photosensitive control circuits |
27 | Current output |
28 | Voltage of generator or circuit supplied |
29 | Speed or frequency of generator |
30 | Centrifugal of fly weight governor |
31 | Tachometer devices |
32 | Frequency responsive devices or networks |
33 | Thermal conditions |
35 | Fluid pressure including wind |
36 | With respect to a reference or master device or quantity |
37 | Electrical conditions in circuit other than that of generator being controlled |
38 | DRIVING MEANS CONTROL |
40 | POWER TRANSMITTING MECHANISM CONTROL |
44 | GENERATOR CONTROL |
45 | Combined diverse generator controls |
46 | Combined permanent magnet and wound field structure |
47 | Induction generator |
48 | Acyclic or homopolar-type generator |
49 | Magnetic structure |
53 | Odd number of brushes (e.g., 3rd brush type) |
54 | Adjustable current-collecting mechanism |
57 | With nonexciting saturating means for generator structure |
58 | With means for suppressing, eliminating or minimizing undesired frequencies |
59 | With excitation winding and/or circuit control |
60 | Substitute or auxiliary starting source of excitation |
61 | Alternating current excitation |
62 | Plural sets of poles type of generator |
63 | Plural excitation windings |
67 | Series-wound generator |
68 | Short circuiting of field winding |
69 | Circuit interruption |
71 | Variable length field winding |
72 | Control by electric space discharge |
75 | Control by circuit impedance |
86 | Plural sources of excitation voltage |
89 | With armature or primary circuit control |
99 | WITH SIGNALS, INDICATORS, RECORDERS, TESTING, ETC. |
100 | MISCELLANEOUS |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG2 | GENERATOR FIELD CURRENT-RESPONSIVE SYSTEMS |
DIG5 | HALL EFFECTS ELEMENTS |
DIG6 | RIPPLE SENSITIVE |
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