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Class Information
Number: 318/471
Name: Electricity: motive power systems > Automatic and/or with time-delay means (e.g., automatic starting and/or stopping) > Responsive to thermal conditions
Description: Subject matter in which the sensing means responds to thermal or temperature conditions in or of any predetermined device or at any predetermined place or position.










Sub-classes under this class:

Class Number Class Name Patents
318/473 In or about the motor being controlled 204
318/472 Of motor control means 128


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8704477 Method of controlling a fan Apr. 22, 2014
8674641 System and method for regulating motor rotation speed Mar. 18, 2014
8674651 System and methods for improving power handling of an electronic device Mar. 18, 2014
8639387 Method, system and device for controlling a device related to a building aperture Jan. 28, 2014
8628310 Fan system having improved availability and method for its operation Jan. 14, 2014
8624538 Motor driving apparatus having function of dynamically switching converter operation mode of AC/DC converter Jan. 7, 2014
8604737 Systems and methods for protecting three-phase motors Dec. 10, 2013
8594858 Method of controlling heat-dissipating fan of computer device Nov. 26, 2013
8587242 Automated shade control system Nov. 19, 2013
8581533 Motor driver and method of controlling the same Nov. 12, 2013
8564236 Power tool Oct. 22, 2013
8550702 Calibrated airflow sensor facilitating monitoring of electronic system cooling Oct. 8, 2013
8513908 Fan speed control circuit Aug. 20, 2013
8508168 Linear actuator Aug. 13, 2013
8493016 Semiconductor circuit device including switching element Jul. 23, 2013
8489250 Fan control system and method for a computer system Jul. 16, 2013
8487575 Electric motor stator winding temperature estimation Jul. 16, 2013
8487574 Fan rotary speed controlling device Jul. 16, 2013
8482236 Method and circuit for controlling motor speed Jul. 9, 2013
8482237 Motor temperature estimation based on thermal model Jul. 9, 2013
8461792 Pulse width modulation fan controller Jun. 11, 2013
8454751 Apparatus, systems and methods for removing debris from a surface Jun. 4, 2013
8456122 Control circuit for fan Jun. 4, 2013
8448000 Methods and apparatuses for operating a data processing system May. 21, 2013
8436566 Multi-speed control apparatus for fan motor May. 7, 2013
8425436 Motion assistive device and maintenance management system for motion assistive device Apr. 23, 2013
8427085 Speed adjustment circuit for a plurality of fans Apr. 23, 2013
8418930 Temperature control circuit Apr. 16, 2013
8421392 Apparatus and method for controlling speed of fan in computer Apr. 16, 2013
8400091 Voltage regulator and cooling control integrated circuit Mar. 19, 2013
8384328 Control methodology for an AC starter-generator system Feb. 26, 2013
8378614 Fan control circuit Feb. 19, 2013
8368336 Vehicle system for controlling motor torque Feb. 5, 2013
8368338 Device and method for detecting type of fan Feb. 5, 2013
8362725 Retrofit motor system for heating, ventilation, and air conditioning applications Jan. 29, 2013
8358094 Arrangement having an electric machine and method for operating an electric machine Jan. 22, 2013
8358501 Motherboard, fan control device, and fan control circuit Jan. 22, 2013
8354809 Controller for a motor and a method of controlling the motor Jan. 15, 2013
8344675 Rechargeable electric power tool Jan. 1, 2013
8339087 Fan control circuit Dec. 25, 2012
8324854 Fan control system Dec. 4, 2012
8324855 Fan control system Dec. 4, 2012
8310192 Reducing the spectral energy of torque ripple Nov. 13, 2012
8278864 Compressor control Oct. 2, 2012
8280559 Apparatus and method for providing cooling to multiple components Oct. 2, 2012
8264184 Low-pin count fan speed control system and a method thereof Sep. 11, 2012
8253364 Heat-dissipating device and method for controlling fan speed Aug. 28, 2012
8248016 Fan circuit Aug. 21, 2012
8248014 Automated shade control system Aug. 21, 2012
8248015 Circuit for controlling rotation speed of fan of electronic device Aug. 21, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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