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Browse by Category: Main > Electrical & Energy
Class Information
Number: 361/24
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > Motor protective condition responsive circuits > Current and temperature
Description: Subject matter wherein the sensing means is responsive to an abnormal current and temperature condition.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8581533 Motor driver and method of controlling the same Nov. 12, 2013
8390221 Systems and methods for protecting three-phase motors Mar. 5, 2013
8354813 Inverter device, electric automobile in which the inverter device is mounted, and hybrid automobile in which the inverter device is mounted Jan. 15, 2013
8339142 System for diagnosing sensors to find out abnormality therein Dec. 25, 2012
8315021 Motor detecting and protecting apparatus and its method Nov. 20, 2012
8255200 Circuit protection and control device simulator Aug. 28, 2012
8253362 Overheat protection apparatus Aug. 28, 2012
8245525 Heat source apparatus, heat source system, and method for operating heat source apparatus Aug. 21, 2012
8174228 Motor control device May. 8, 2012
8169174 Motor circuit and electric power steering apparatus May. 1, 2012
8144438 Motor control center communication system Mar. 27, 2012
8125747 Method for mitigating negative sequence effect resulting from non-symmetrical short circuit failure of synchronous electric machine based systems Feb. 28, 2012
8120306 Voltage source inverter with a voltage offset Feb. 21, 2012
8084967 Motor controller and printer Dec. 27, 2011
8085514 Modular on-machine controller Dec. 27, 2011
8063600 Thermally actuated overload tripping device Nov. 22, 2011
8050006 Method and system of providing overload and short-circuit protection for switched mode power supply Nov. 1, 2011
7965476 Current producing circuit, current producing method, and electronic device Jun. 21, 2011
7954334 Inverter system and vehicle Jun. 7, 2011
7930895 Brushless direct current motor, compressor and air conditioner having the same Apr. 26, 2011
7889462 Protective circuit for protection of an appliance, in particular an electric motor, against thermal overloading Feb. 15, 2011
7880418 Electromechanical drive system, in particular for progressive cavity pumps for oil wells Feb. 1, 2011
7839108 Electric motor stator winding temperature estimation Nov. 23, 2010
7835129 Circuit arrangement for overtemperature detection Nov. 16, 2010
7806000 Sensor for detecting arcing faults Oct. 5, 2010
7800872 Switch-state monitoring device Sep. 21, 2010
7791296 Motor protection system Sep. 7, 2010
7773351 Motor control microcomputer and control method for the same Aug. 10, 2010
7755311 Fan abnormality detection device Jul. 13, 2010
7649724 Protective circuit for a converter Jan. 19, 2010
7640080 Protection device for load circuits Dec. 29, 2009
7622835 Motor protector attachment system Nov. 24, 2009
7622879 Thermal protection apparatus and method for hybrid vehicles Nov. 24, 2009
7619859 Electric power steering device Nov. 17, 2009
7555366 Thermal overload protection Jun. 30, 2009
7536914 Sensor for detecting arcing faults May. 26, 2009
7486489 System and method for speed control and stall protection combination for electric motors such as in engine cooling applications Feb. 3, 2009
7486490 Actuator for the actuation of a clutch and/or a gear mechanism Feb. 3, 2009
7397222 On-line testable solid state reversing DC motor starter Jul. 8, 2008
7394629 Motor overload tripping system and method with multi-function circuit interrupter Jul. 1, 2008
7383133 Diffuse seismic imaging systems and methods Jun. 3, 2008
7372676 Motor coil-shorting detecting unit May. 13, 2008
7355826 Power supply apparatus capable of detecting abnormality of current flowing through drive circuit Apr. 8, 2008
7336048 Method for operating a power tool Feb. 26, 2008
7336455 System and method for proactive motor wellness diagnosis Feb. 26, 2008
7307396 Overload protection system for an electrical device Dec. 11, 2007
7259946 Integrated electric motor and control system and method Aug. 21, 2007
7222050 Apparatus for determining overheating of motor, method for determining overheating of motor, computer-readable medium, motor control apparatus, motor control method, and printing apparatus May. 22, 2007
7206176 Circuit and method for protecting against overload of an electric motor Apr. 17, 2007
7162883 Compressor diagnostic method Jan. 16, 2007

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