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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 310 | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
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1 | EDUCATIONAL OR CONSTRUCTION UNITS OR KITS |
300 | NON-DYNAMOELECTRIC |
301 | Nuclear reaction |
302 | Contact potential difference |
303 | P-N semiconductor |
304 | Secondary electron emission |
305 | Direct charge particle emission |
306 | Thermal or pyromagnetic |
308 | Charge accumulating |
311 | Piezoelectric elements and devices |
312 | Adding or subtracting mass |
313R | Surface acoustic wave devices |
314 | Electrical systems |
315 | Temperature compensation circuits |
316.01 | Input circuit for simultaneous electrical and mechanical output from piezoelectric element |
317 | Input circuit for mechanical output from piezoelectric element |
318 | Input circuit for electrical output from piezoelectric element |
319 | Electrical output circuit |
320 | Piezoelectric slab having different resonant frequencies at different areas |
321 | Combined with resonant structure |
322 | Acoustic wave type generator or receiver |
323.01 | Direct mechanical coupling |
323.02 | Motor producing continual motion |
323.03 | Traveling wave motor |
323.12 | Langevin or pencil type motor |
323.16 | Eliptical motion at fixed point (i.e., walking) or Ratchet and Pawl motor |
323.17 | Positions an object |
323.18 | Device performs work on an object (e.g., welding, cutting) |
323.19 | Horn or transmission line |
323.21 | Detector (e.g., sensor) |
324 | Diaphragm |
325 | Sandwich or Langevin type |
326 | Combined with damping structure |
328 | With mechanical energy coupling means |
329 | Including inertia type operator |
330 | Bending type |
333 | Shear or torsional type |
334 | Acoustic wave type generator or receiver |
338 | Force or pressure measuring type |
339 | Voltage, spark or current generator |
340 | Encapsulated or coated |
341 | With temperature modifier and/or gas or vapor atmosphere control |
345 | Supported by elastic material |
346 | With temperature compensating structure |
348 | With mounting or support means |
357 | Orientation of piezoelectric polarization |
360 | Rotation of crystal axis (e.g., cut angle) |
363 | Electrode materials |
365 | Electrode arrangement |
367 | Piezoelectric element shape |
10 | DYNAMOELECTRIC |
11 | Conducting fluid |
15 | Reciprocating |
16 | With cooling or temperature modification |
17 | With other elements |
25 | Reed type |
26 | Magnetostrictive |
27 | Fixed and movable wound elements |
28 | Direct-connected |
31 | Self-actuated interrupter |
36 | Oscillating |
12.01 | Linear |
12.02 | Having structure to facilitate assembly |
12.03 | Micromachine (e.g., MEMS device, nanotechnology) |
12.04 | Specific use device |
12.05 | X-Y positioner |
12.07 | Projector (e.g., rail gun) |
12.08 | Disk drive head motor |
12.09 | Rail vehicle (e.g., train, trolley) |
12.11 | Conveyor or elevator motor |
12.12 | Generator |
12.13 | Plural dynamoelectric machines (e.g., motors, generators) |
12.14 | Motor having both linear and rotary movement |
12.15 | Plural stators or movable elements |
13 | Fixed and movable wound element type |
14 | Solenoid and core type |
12.16 | Voice coil type |
12.17 | Stepping or linear pulse type |
12.18 | Synchronous type (e.g., variable reluctance) |
12.19 | Having structure to facilitate control (e.g., position detector) |
12.21 | Coil structure |
12.24 | Magnet or pole structure |
12.27 | Mechanical element |
40R | Rotary |
40.5 | Self-nutating or moving (e.g., oscillating fan, etc.) |
41 | With mechanical starters |
43 | Molded plastic |
44 | Powdered metal |
45 | Impregnated or coated |
46 | Magnetic motors |
47 | Portable or hand tool (e.g., dry shavers) |
48 | With other elements |
49.01 | Stepping |
49.02 | Having a coil axially concentric to rotor axis (e.g., toroid coil) |
49.03 | With bias magnet to position rotor (e.g., parking magnet, auxiliary flux) |
49.05 | Axially adjacent to rotor end |
49.08 | Having poles extending to opposite radial sides of rotor |
49.09 | Having poles extending to opposite axial ends of rotor |
49.11 | Having particular flux plate or yoke |
49.13 | Having coil bobbin |
49.15 | Having interfitting poles |
49.18 | With rotary to linear conversion |
49.19 | Having plural axially concentric coils |
49.21 | Having a single axially concentric coil |
49.22 | Axially thin type (e.g., disk-shaped motor, planer) |
49.32 | Permanent magnet rotor with axially directed flux path |
49.33 | Having stepping function related to a particular stator winding arrangement |
49.34 | Having particular stator pole feature |
49.37 | Having particular stator-pole to rotor-pole relationship |
49.38 | Having plural rotor cores of different lengths |
49.39 | Plural rotor sections (e.g., segmented rotor) |
49.42 | Having dual axial air gaps |
49.43 | Reluctance type |
49.44 | Having a particular stator pole to rotor pole relationship |
49.45 | Having a stepping function related to a particular stator winding arrangement |
49.46 | Having stator with winding and permanent magnet |
49.47 | Gearing defines stepping effect |
49.51 | Plural stators define stepping effect |
49.52 | Commutator defines stepping effect |
49.53 | Permanent magnet defines stepping effect |
49.54 | Windings define stepping effect |
49.55 | Start or stop locating feature (e.g., parking magnet, detent) |
50 | Portable or hand tool |
51 | Vibration or noise suppression |
52 | Cooling or fluid contact |
53 | With control means |
54 | Liquid coolant |
55 | Nonatmospheric gas |
56 | With gas purification or treating |
57 | Intermediate confined coolant |
58 | Circulation |
66 | With other elements |
67R | Inbuilt or incorporated unit |
68R | Electric circuit elements |
69 | Shaft-driven switch (e.g., blasting generators) |
71 | Connectors, terminals or lead-ins |
72 | Impedance devices |
73 | Illuminating devices |
68A | Manually operable (e.g., switches, rheostats, etc.) |
68B | Condition responsive (e.g., position, torque, etc.) |
68C | Temperature, current-responsive, i.e., protectors |
68D | Conversion elements, (e.g., transformers, rectifiers, etc.) |
68E | Motion responsive (e.g., centrifugal switches) |
74 | Inertia or fly-wheel device |
75R | Drive mechanism |
76 | Brake and clutch |
77 | Brake |
78 | Clutch |
79 | Shaft and armature timing or phasing connection |
80 | Motion conversion |
75A | Spring or gravity drive |
75B | Hand- or foot-operated |
75C | Rim drive (e.g., bicycle generator drive by wheel, rim, or tire) |
75D | Flexible shaft or coupling and hollow shaft drive |
85 | Mechanical shields or protectors |
86 | Shield in air gap |
87 | Submersible |
88 | Dirt, moisture or explosion proof |
89 | Housings, windows or covers |
90 | Bearing or air-gap adjustment or bearing lubrication |
91 | Supports |
92 | Torque-transmitting clutches or brakes |
93 | Brake type |
94 | Automatic control |
96 | With other drive mechanism |
101 | Plural units |
102R | Generator-motor type |
103 | Magnetic field type |
111 | Generated wave-form modification |
112 | Plural units, structurally united |
114 | Plural rotary elements |
115 | Field and armature both rotate |
124 | Plural short-circuited rotary elements |
126 | Plural armatures in common field |
127 | Plural collector-type machines |
128 | Commutator and slip-ring type |
129 | Synchronous or rotary converter |
131 | Different armature circuits |
133 | Common armature winding |
135 | Commutator in field circuit |
136 | Plural commutator type |
143 | Plural slip-ring sets |
148 | Plural sets of brushes |
152 | Permanent magnet machines |
153 | Inbuilt with flywheel (magneto) |
154.01 | Permanent magnet stator |
154.02 | Combined with generating coil |
154.03 | Means for securing magnet |
154.04 | Cantilevered |
154.05 | Axial |
154.07 | Adhesive |
154.08 | Mounted to magnet yoke |
154.11 | Embedded in core or pole |
154.12 | Cylindrical sleeve holder |
154.13 | Holder with pocket for magnet |
154.14 | Spring clip |
154.16 | Axially pressing on magnets |
154.17 | Wedging between |
154.21 | Permanent magnet characterized by the shape of the magnet |
154.22 | With specific dimension |
154.23 | Horseshoe |
154.24 | Bar, square or rectangular |
154.25 | Disk, ring, or cylinder |
154.26 | With means to prevent or reduce demagnetization (i.e., auxiliary magnetic poles) |
154.28 | Specific magnetization |
154.31 | Single pole pair |
154.32 | Permanent magnet extends along an axis |
154.33 | Plural rotors |
154.34 | With adjustable magnetic structure |
154.35 | With specific pole pieces or pole shoes |
154.36 | Circumferentially spaced poles and magnets |
154.37 | Poles extending axially from magnets |
154.38 | Pole shoe shape |
154.39 | Different size |
154.41 | Laminated |
154.42 | Induced flux return pole |
154.43 | Additional permanent magnets |
154.44 | Additional shield or coating (non-magnetic) |
154.45 | Multiple pole pairs |
154.46 | With specific pole shoe pieces |
154.47 | Magnet extending between two poles |
154.48 | Induce flux return pole |
154.49 | Adjustable |
155 | Inductor type |
156.01 | Permanent magnet rotor |
156.02 | Transverse flux |
156.03 | With a hysteresis ring |
156.04 | Separate portion of the rotor magnet used as a thrust bearing |
156.05 | Separate portion of the rotor magnet used as a magnet for sensing (i.e., for position or frequency) |
156.06 | Combined with flux for sensing |
156.07 | Additional flux directing magnets |
156.08 | Mounting (such as on a surface of a shaft) |
156.09 | Keyed to shaft |
156.11 | Magnets in shaft |
156.12 | Mounted on a sleeve/hub |
156.13 | Keyed to a sleeve/hub |
156.14 | Knurl between the sleeve/hub and a shaft |
156.15 | Induced flux pole on sleeve/hub |
156.16 | Spring mounted |
156.18 | With a threaded fastener |
156.19 | With a wedge |
156.21 | With an adhesive |
156.22 | With an axial end clamp |
156.23 | With casting material around the magnet |
156.24 | Including a spring mount to adjust a flux |
156.25 | Axially offset and radially magnetized magnets |
156.26 | Mounted on a bell shape hub |
156.27 | Including thermal compensation |
156.28 | Sleeve covering magnet face |
156.29 | Sleeve parallel to magnetic face |
156.31 | Banding around magnet |
156.32 | Including an axial air gap |
156.33 | With pole shoes |
156.34 | With a stator between a rotating flux return plate and rotor magnet |
156.35 | With single rotor magnet and plural stators |
156.36 | With plural sets of rotating magnets |
156.38 | Specific shape |
156.48 | Pole shoes/pole pieces |
156.49 | Radial flux path and radially positioned pole shoes |
156.51 | Laminated pole shoes with multiple pole pairs |
156.52 | Laminated pole shoes with single pole pair |
156.53 | Embedded in a core |
156.54 | Induced flux return poles |
156.55 | Circumferential flux path and circumferential pole shoes |
156.56 | Embedded |
156.57 | With slots or holes to guide flux |
156.58 | Different size pole shoes |
156.59 | Pole shoes fixed to hub or shaft |
156.61 | Pole shoes fixed with end plates |
156.62 | Axially magnetized with poles shoes at one end |
156.64 | Axially magnetized with pole shoes at both ends |
156.66 | Claw poles/interfitting poles/lundel |
156.67 | Laminated pole shoes |
156.68 | Poles formed by magnet |
156.69 | Plural sets of claw poles |
156.71 | Claw poles extend in the same axial direction |
156.72 | Additional support for magnet |
156.73 | Additional support for claw pole tips |
156.74 | Damping features |
156.78 | Squirrel cage |
157 | Vertically disposed |
158 | Universal (A.C. or D.C.) |
159 | A.C. |
160 | Frequency converters |
161 | Phase-shifter type |
162 | Synchronous |
166 | Induction |
167 | With repulsion-starting |
168 | Inductor-type generators (variable reluctance) |
171 | Induction generators |
172 | Shifting field (e.g., shading pole) |
173 | Commutated |
177 | D.C. |
179 | Windings and core structure |
180 | Field or excitation windings or structure |
181 | Combined permanent and electromagnet |
182 | With short-circuited winding or conductor |
184 | Plural field windings |
185 | Plural sets of poles |
186 | Interpole, compensating or neutralizing poles |
187 | Slotted or divided pole |
188 | Differentially related |
189 | Variable length or tapped winding |
190 | Magnetic shunts for shifting field flux |
191 | Adjustable magnetic structure |
192 | Nonmagnetic inserts or air gaps |
193 | Nonuniform core cross section |
194 | Coil supports and spools |
195 | Armature or primary |
196 | Corona-prevention |
197 | With short-circuited winding or conductor |
198 | Plural windings |
200 | Variable length or tapped windings |
201 | Bar windings |
202 | Open windings |
203 | Closed windings |
208 | Coils |
209 | Adjustable magnetic structure |
210 | Secondary windings or conductors |
213 | Antiparasitic conductors (imbricated) |
214 | Coil retainers or slot closers |
215 | Slot liners |
216.001 | Core |
216.002 | Pole-less core (i.e., slotless, toothless) |
216.003 | Wire core |
216.004 | Laminated core |
216.005 | Having winding lead accommodation structure |
216.006 | Having particular grain orientation |
216.007 | Plural laminated segments radially united |
216.008 | Plural axially laminated segments circumferentially united |
216.011 | Circumferentially offset laminations |
216.012 | Offset pole teeth |
216.013 | Having axially extended spirally-laminated core |
216.014 | Offset cooling fins |
216.015 | Plural diverse elements |
216.021 | E-shaped |
216.023 | C- or U-shaped core |
216.024 | Plural cores unified by magnetic coupling between poles, with a winding around the middle bend of each core |
216.026 | Two cores unified by magnetic coupling between poles, with a winding on each side leg of each core |
216.027 | Two cores unified by structurally coupled poles, with a winding around the middle bend of each core |
216.028 | Having centrally-supported arcuate pole and a winding around each end of pole |
216.029 | Plural unified cores having a pole winding |
216.032 | Two cores unified by a joint spring coupling between poles |
216.033 | Having winding around middle bend of core |
216.036 | Having winding around core side leg |
216.038 | Core side legs extend along rotor axis |
216.039 | Core middle bend extends along rotor axis |
216.041 | Having axially extended spiral lamination |
216.042 | Having machined poles |
216.043 | Having bending notch |
216.044 | Having inter-layer mating projection and recess |
216.045 | Radially stacked |
216.048 | Having interlamina mating structure on lamina face |
216.049 | Having a lamination including a radially extending mounting projection (e.g., mounting ear) |
216.053 | Having integral spider (e.g., spokes) |
216.054 | Non-planar lamination (e.g., wavy) |
216.055 | Having a particular outer peripheral shape |
216.057 | Laminated pole |
216.058 | Securing means |
216.059 | Alternating laminations |
216.061 | Circumferentially stacked |
216.062 | Radially stacked |
216.063 | Wound lamination |
216.064 | Laminated pole tip (e.g., shoe) |
216.065 | Adhesively bonded laminations |
216.066 | Homogeneous core or yoke (e.g., solid core) |
216.069 | Having slot of particular shape |
216.074 | Pole structure |
216.075 | Particular to switch reluctant machine |
216.076 | Having integral flux shunt |
216.078 | Pivotally mounted (e.g., hinged) |
216.079 | Removable pole |
216.081 | Having intermediate spacer |
216.082 | Having wedge between pole and core |
216.083 | Having threaded fastener (e.g., screw) |
216.084 | With mating female threaded fastener element (e.g., bolt) |
216.085 | Fastened through pole flange |
216.086 | Dovetail connection |
216.089 | Crimped connection |
216.091 | Pole tip (e.g., shoe) |
216.092 | Defining non-uniform air gap |
216.096 | Asymmetrically shaped |
216.097 | Having a particular dimension |
216.098 | Removable tip |
216.099 | Magnetic inter-pole bridging structure |
216.101 | Cylindrical bridging structure |
216.103 | Bridge defines distinct pole tip common to two adjacent poles |
216.104 | With nonmagnetic inter-pole tip support |
216.106 | Having flux guide |
216.108 | Having flux shield |
216.109 | Spaced-segment core |
216.111 | Core having a particular dimension |
216.113 | Having a particular binding or supporting means |
216.114 | End ring or plate |
216.115 | Insulated |
216.116 | Secured to shaft |
216.118 | Secured to frame |
216.119 | Having a cooling channel |
216.121 | Secured to shaft |
216.125 | Secured by wedge |
216.126 | Fastened wedge |
216.127 | Secured by threaded fastener (e.g., screw) |
216.128 | Insulated fastener |
216.129 | Secured by axially extending bar |
216.131 | Secured by axially directed clamping means (e.g., spring clip) |
216.132 | Positioned in core slot |
216.133 | Positioned in axial through hole |
216.134 | Integral with supporting element |
216.135 | Secured by circumferential clip |
216.136 | Secured by weld |
216.137 | Secured by bonding agent |
219 | Current collectors |
220 | Spark-reduction |
227 | With cooling |
228 | With cleaning, lubricating, resurfacing or repairing |
229 | Brush-traversing |
230 | Circumferential brush shifting on reversal |
231 | Rotary structure |
238 | Fixed structure |
400 | End shield |
401 | Having legs for supporting a bearing (e.g., spokes) |
402 | Having particular frame- or core-mating feature (e.g., keyed, projection/recess) |
405 | Recessed into frame or core |
406 | Cup-shaped end shield connected to another end shield |
410 | Having frame between two end shields |
411 | Particularly adapted to be secured to a core end ring |
412 | Particularly adapted for use with impregnated core |
413 | Having particular mounting fastener detail |
416 | Having coil lead retainer |
417 | Having ventilation hole |
418 | Frame |
419 | Adjustable |
420 | Shaft mounted spider (e.g., spokes) |
425 | Base with bearing support |
426 | Leg-supported from base |
427 | Supported by axial bar |
428 | Axially split frame |
431 | Having resilient core attachment means |
432 | Having axial tie bar for attaching core |
254.1 | Miscellaneous stator structure |
255 | For railway-type machines |
256 | Stray field flux loss prevention |
257 | Interfitting or claw-tooth stators |
260 | End turn supports |
261.1 | Miscellaneous rotor structure |
262 | High-speed rotor type |
263 | Interfitting or claw tooth rotors |
264 | Armatures |
270 | End turn supports |
271 | Banding |
272 | Elements |
273 | Miscellaneous |
40MM | Miniature motors |
CROSS-REFERENCE ART COLLECTIONS | ||
800 | PIEZOELECTRIC POLYMERS (E.G., PVDF) |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
FOR100 | PERMANENT MAGNET STATOR (310/154) |
FOR101 | PERMANENT MAGNET ROTOR (310/156) |
FOR102 | Linear (310/12) |
DIGESTS | ||
DIG2 | HYSTERESIS ROTORS AND MOTORS |
DIG3 | HALL EFFECT GENERATORS AND CONVERTERS |
DIG6 | PRINTED-CIRCUIT MOTORS AND COMPONENTS |
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