USPC Patent Classifications

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Class 322 electricity: single generator systems
uspcdescription
322/1322 electricity: single generator systems/(1) portably mounted
322/2R322 electricity: single generator systems/(2r) nonmagnetic-type generator
322/2A322 electricity: single generator systems/(2r) nonmagnetic-type generator (2a) electrostatic
322/3322 electricity: single generator systems/(3) reciprocating and/or oscillating-type generator
322/4322 electricity: single generator systems/(4) with flywheels or massive moving parts
322/5322 electricity: single generator systems/(5) with generator polarity control
322/6322 electricity: single generator systems/(5) with generator polarity control (6) by control of excitation
322/7322 electricity: single generator systems/(7) combined control of generating means and load circuit
322/8322 electricity: single generator systems/(7) combined control of generating means and load circuit (8) including load circuit-making and breaking
322/9322 electricity: single generator systems/(9) plural driving means
322/10322 electricity: single generator systems/(10) with physical starting and/or stopping of the generator
322/11322 electricity: single generator systems/(10) with physical starting and/or stopping of the generator (11) automatic in response to predetermined conditions
322/12322 electricity: single generator systems/(10) with physical starting and/or stopping of the generator (12) connecting and/or disconnecting generator and driving means
322/13322 electricity: single generator systems/(10) with physical starting and/or stopping of the generator (13) electric motor as driving means
322/14322 electricity: single generator systems/(14) combined control of generator and driving means
322/15322 electricity: single generator systems/(14) combined control of generator and driving means (15) simultaneous control
322/16322 electricity: single generator systems/(14) combined control of generator and driving means (15) simultaneous control (16) electric motor
322/17322 electricity: single generator systems/(17) automatic control of generator or driving means
322/18322 electricity: single generator systems/(17) automatic control of generator or driving means (18) with time-delay in the response
322/19322 electricity: single generator systems/(17) automatic control of generator or driving means (19) antihunting or rate of change
322/20322 electricity: single generator systems/(17) automatic control of generator or driving means (20) power factor or phase relationships
322/21322 electricity: single generator systems/(17) automatic control of generator or driving means (21) with line-drop compensation
322/22322 electricity: single generator systems/(17) automatic control of generator or driving means (22) plural conditions
322/23322 electricity: single generator systems/(17) automatic control of generator or driving means (22) plural conditions (23) including an electrical condition
322/24322 electricity: single generator systems/(17) automatic control of generator or driving means (22) plural conditions (23) including an electrical condition (24) plural electrical conditions
322/25322 electricity: single generator systems/(17) automatic control of generator or driving means (22) plural conditions (23) including an electrical condition (24) plural electrical conditions (25) voltage and current
322/26322 electricity: single generator systems/(17) automatic control of generator or driving means (26) light or photosensitive control circuits
322/27322 electricity: single generator systems/(17) automatic control of generator or driving means (27) current output
322/28322 electricity: single generator systems/(17) automatic control of generator or driving means (28) voltage of generator or circuit supplied
322/29322 electricity: single generator systems/(17) automatic control of generator or driving means (29) speed or frequency of generator
322/30322 electricity: single generator systems/(17) automatic control of generator or driving means (29) speed or frequency of generator (30) centrifugal of fly weight governor
322/31322 electricity: single generator systems/(17) automatic control of generator or driving means (29) speed or frequency of generator (31) tachometer devices
322/32322 electricity: single generator systems/(17) automatic control of generator or driving means (29) speed or frequency of generator (32) frequency responsive devices or networks
322/33322 electricity: single generator systems/(17) automatic control of generator or driving means (33) thermal conditions
322/34322 electricity: single generator systems/(17) automatic control of generator or driving means (33) thermal conditions (34) in generator and/or driving means
322/35322 electricity: single generator systems/(17) automatic control of generator or driving means (35) fluid pressure including wind
322/36322 electricity: single generator systems/(17) automatic control of generator or driving means (36) with respect to a reference or master device or quantity
322/37322 electricity: single generator systems/(17) automatic control of generator or driving means (37) electrical conditions in circuit other than that of generator being controlled
322/38322 electricity: single generator systems/(38) driving means control
322/39322 electricity: single generator systems/(38) driving means control (39) electric motor control
322/40322 electricity: single generator systems/(40) power transmitting mechanism control
322/41322 electricity: single generator systems/(40) power transmitting mechanism control (41) friction-type transmission
322/42322 electricity: single generator systems/(40) power transmitting mechanism control (41) friction-type transmission (42) belt drive
322/43322 electricity: single generator systems/(40) power transmitting mechanism control (41) friction-type transmission (42) belt drive (43) slip control
322/44322 electricity: single generator systems/(44) generator control
322/45322 electricity: single generator systems/(44) generator control (45) combined diverse generator controls
322/46322 electricity: single generator systems/(44) generator control (46) combined permanent magnet and wound field structure
322/47322 electricity: single generator systems/(44) generator control (47) induction generator
322/48322 electricity: single generator systems/(44) generator control (48) acyclic or homopolar-type generator
322/49322 electricity: single generator systems/(44) generator control (49) magnetic structure
322/50322 electricity: single generator systems/(44) generator control (49) magnetic structure (50) magnetic shunt for field flux
322/51322 electricity: single generator systems/(44) generator control (49) magnetic structure (51) rotor element
322/52322 electricity: single generator systems/(44) generator control (49) magnetic structure (52) stator element
322/53322 electricity: single generator systems/(44) generator control (53) odd number of brushes (e.g., 3rd brush type)
322/54322 electricity: single generator systems/(44) generator control (54) adjustable current-collecting mechanism
322/55322 electricity: single generator systems/(44) generator control (54) adjustable current-collecting mechanism (55) movable circumferentially
322/56322 electricity: single generator systems/(44) generator control (54) adjustable current-collecting mechanism (55) movable circumferentially (56) continuously
322/57322 electricity: single generator systems/(44) generator control (57) with nonexciting saturating means for generator structure
322/58322 electricity: single generator systems/(44) generator control (58) with means for suppressing, eliminating or minimizing undesired frequencies
322/59322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control
322/60322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (60) substitute or auxiliary starting source of excitation
322/61322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (61) alternating current excitation
322/62322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (62) plural sets of poles type of generator
322/63322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (63) plural excitation windings
322/64322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (63) plural excitation windings (64) differentially related
322/65322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (63) plural excitation windings (65) interpole windings
322/66322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (63) plural excitation windings (66) compensating windings
322/67322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (67) series-wound generator
322/68322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (68) short circuiting of field winding
322/69322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (69) circuit interruption
322/70322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (69) circuit interruption (70) continuous make and break
322/71322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (71) variable length field winding
322/72322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (72) control by electric space discharge
322/73322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (72) control by electric space discharge (73) discharge control discharge device
322/74322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (72) control by electric space discharge (74) electric arc
322/75322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance
322/76322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (76) plural impedances
322/77322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (76) plural impedances (77) bridge arrangements
322/78322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (76) plural impedances (78) tuned or resonant
322/79322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (79) unidirectionally conductive
322/80322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance
322/81322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance (81) thermally varied resistance
322/82322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance (82) pressure-varied resistance
322/83322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance (83) short-circuited
322/84322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance (83) short-circuited (84) continuous make and break
322/85322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (75) control by circuit impedance (80) resistance (83) short-circuited (85) step by step
322/86322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (86) plural sources of excitation voltage
322/87322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (86) plural sources of excitation voltage (87) dynamoelectric source
322/88322 electricity: single generator systems/(44) generator control (59) with excitation winding and/or circuit control (86) plural sources of excitation voltage (88) battery source
322/89322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control
322/90322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (90) plural armature circuits or windings
322/91322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (91) short-circuiting of windings
322/92322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (91) short-circuiting of windings (92) by auxiliary brushes diametrically opposed or 180 electrical degrees apart
322/93322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (93) tapped or sectionalized
322/94322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (94) circuit-making and/or breaking
322/95322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (95) by armature circuit impedance
322/96322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (95) by armature circuit impedance (96) plural impedances
322/97322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (95) by armature circuit impedance (97) resistance control
322/98322 electricity: single generator systems/(44) generator control (89) with armature or primary circuit control (95) by armature circuit impedance (97) resistance control (98) in circuit across brushes or in shunt to generator
322/99322 electricity: single generator systems/(99) with signals, indicators, recorders, testing, etc.
322/100322 electricity: single generator systems/(100) miscellaneous

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