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Class Information
Number: 318/400.21
Name: Electricity: motive power systems >
Description:
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 318/1 |
Electric motor with nonmotor driving means (e.g., axle drive, manual drive) |
9 |
| 318/114 |
Impact, mechanical shock, or vibration-producing motors |
137 |
| 318/115 |
Motor with diverse motions (e.g., rotary and reciprocating) |
47 |
| 318/116 |
Nonmagnetic motor |
216 |
| 318/118 |
Magnetostrictive motor |
55 |
| 318/119 |
Reciprocating or oscillating motor |
83 |
| 318/135 |
Linear-movement motors |
604 |
| 318/136 |
Auxiliary means for producing mechanical starting or accelerating torque |
10 |
| 318/138 |
Space-discharge-device commutated motor |
1,487 |
| 318/139 |
Battery-fed motor systems |
953 |
| 318/140 |
Generator-fed motor systems having generator control |
125 |
| 318/159 |
Having rotor element biased against rotation |
16 |
| 318/16 |
Supplied or controlled by space-transmitted electromagnetic or electrostatic energy (e.g., by radio) |
232 |
| 318/161 |
With flywheel or massive rotary member |
54 |
| 318/162 |
Control by patterns or other predetermined schedule means |
32 |
| 318/17 |
Portable-mounted motor and/or portable-mounted electrical systems therefor |
56 |
| 318/244 |
Alternating current commutating motors |
38 |
| 318/246 |
Series motors |
32 |
| 318/253 |
Homopolar or uniform field motors |
3 |
| 318/254 |
Self-commutated impulse or reluctance motors |
2,683 |
| 318/255 |
Plural diverse motor controls |
24 |
| 318/280 |
Motor-reversing |
428 |
| 318/3 |
With particular motor-driven load device |
75 |
| 318/34 |
Plural, diverse or diversely controlled electric motors |
206 |
| 318/362 |
Braking |
148 |
| 318/383 |
"anti-braking" or braking-prevention means |
9 |
| 318/430 |
Motor load, armature current or force control during starting and/or stopping |
279 |
| 318/432 |
Constant motor current, load and/or torque control |
1,032 |
| 318/434 |
Limitation of motor load, current, torque or force (e.g., preventing overload) |
1,081 |
| 318/436 |
Nonrunning, energized motor |
50 |
| 318/437 |
Phasing or angular or linear positional control of movable element of the motor |
74 |
| 318/438 |
Power factor control of armature or line circuit |
67 |
| 318/439 |
Motor commutation control systems |
1,435 |
| 318/440 |
Having plural, diverse or diversely controlled sources |
48 |
| 318/443 |
Periodic, repetitious or successive operations control of motor, including "jog" and "inch" control |
278 |
| 318/445 |
Automatic and/or with time-delay means (e.g., automatic starting and/or stopping) |
300 |
| 318/490 |
With signals, meters, recorders or testing devices |
229 |
| 318/491 |
Control of both motor circuit and motor structure |
20 |
| 318/492 |
Motor magnetic energy dissipation |
16 |
| 318/493 |
Control of both armature (or primary) circuit and field (or secondary) circuit |
50 |
| 318/494 |
Armature (or primary) circuit control |
20 |
| 318/521 |
Field or secondary circuit control |
14 |
| 318/538 |
Motor structure adjustment or control |
37 |
| 318/543 |
Three-or-more-positions motor controller systems |
9 |
| 318/558 |
Miscellaneous |
81 |
| 318/560 |
Positional servo systems (e.g., servomechanisms) |
712 |
| 318/689 |
Torquing motors |
46 |
| 318/690 |
Self-synchronous type of motor |
14 |
| 318/696 |
Open-loop stepping motor control systems |
1,187 |
| 318/700 |
Synchronous motor systems |
373 |
| 318/725 |
Repulsion motor systems |
13 |
| 318/727 |
Induction motor systems |
343 |
| 318/DIG.2 |
Windshield wiper controls |
340 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619382 |
Solar circulation pump and method for controlling a solar circulation pump, for controlling the starting of and for setting the performance of a solar circulation pump |
Nov. 17, 2009 |
| 7612510 |
Pump controller system and method |
Nov. 3, 2009 |
| 7612512 |
Electronic control unit for controlling external half-bridge power output stages and an electric motor operated drive with electronic control unit |
Nov. 3, 2009 |
| 7609015 |
Load driving device and electrical apparatus using the same |
Oct. 27, 2009 |
| 7595605 |
Method and control circuit for determining an operating state when controlling a fan motor |
Sep. 29, 2009 |
| 7554280 |
Monitoring device of rotor position of an electric motor and corresponding method |
Jun. 30, 2009 |
| 7538502 |
Motor driver circuit, control method thereof, and electronic apparatus |
May. 26, 2009 |
| 7486038 |
Motor control method and motor control system |
Feb. 3, 2009 |
| 7459876 |
Motors and control methods thereof |
Dec. 2, 2008 |
| 7443123 |
Method and apparatus for preventing overheating in an electronically commutated motor assembly |
Oct. 28, 2008 |
| 7429836 |
Motor driver circuit, control method thereof, and electronic apparatus |
Sep. 30, 2008 |
| 7408318 |
Motor drive unit |
Aug. 5, 2008 |
| 7332885 |
Ride-through method and system for HVAC&R chillers |
Feb. 19, 2008 |
| 7309969 |
Apparatus and method for starting an electric motor |
Dec. 18, 2007 |
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