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JP3948043B2 |
To prevent a motor driving circuit from being damaged due to the reverse connection of a power supply. A relay interposed between a motor 1 and a power supply, is normally in a condition that the motor 1 is cut off from the power supply....
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JP3949121B2 |
To provide an electronic apparatus for controlling rotational speed of a fan using an electric circuit composed of a simple circuit, with no increase in the number of components. The electronic apparatus comprises a fan motor M, a drivin...
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JP2007185090A |
To provide a fan system which starts the system at a relatively low rotating speed when the fan system is started or restarted.The fan system includes at least one fan and a controller which controls the fan receiving a starting voltage ...
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JP3946175B2 |
To provide a low-power-consumption motor starting device. The motor starting system 1 comprises an overload protection device OLP, a first positive temperature coefficient thermistor 22, a triac 20, and a second positive temperature coef...
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JP3945253B2 |
To provide an engine starter which suppresses any wear of a brush caused by a rush current when starting the energization, and effectively utilizes the energy in the exhaust stroke during cranking. The engine starter A to drive an engine...
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JP3942971B2 |
To provide a linear drive device equipped with a non-contact type linear encoder in which no dust adheres to scale without spoiling advantages of a precise linear drive device in which sliding resistance is minimized by a linear motor an...
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JP3944263B2 |
To provide a revolution control circuit which is composed of small size and light weight components only and by which the revolution of a motor can be increased or decreased toward a predetermined revolution. A revolution control circuit...
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JP3940267B2 |
To provide a start control method of a synchronous motor which has excellent start performance and can put the motor into a commutation mode in a short time. An AC current with a prescribed frequency is applied to a field winding 81 of a...
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JPWO2005055410A1 |
In the open-loop control type DC motor drive device, it is determined based on the speed command data whether or not the supplied speed command data corresponds to the drive instruction of the DC motor. When it is determined to be a driv...
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JP2007156089A |
To change the characteristics of a motor at the start of the motor in accordance with necessity.A CPU 101 in a driving mechanism 100 reads out a start profile corresponding to a start mode from a ROM 102. Then, the CPU 101 supplies a lim...
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JP3933542B2 |
To provide a controller for single-phase induction motor which, if a switch means for controlling excitation is fused, prevents a current limiting resistor from heating and creating danger. A current transformer 6 detects a current passe...
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JP3934022B2 |
To smoothly move an open-close body in a specified region immediately after the driving of a motor for an opening and a closing. The motor 16 for the opening and the closing for an open-close means is PWM-controlled while the duty ratio ...
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JP2007149084A |
To avoid an unexpected error occurring in the case a plurality of fan modules are started at the same time.The fan system for receiving an input voltage from the outside and driving the plurality of the fan modules is equipped with a fir...
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JP3930260B2 |
To provide an inverter apparatus for motor drive that simply controls starting voltage and frequency, can miniaturize an inverter as compared with the motor that is supported by a friction type bearing, and at the same time does not requ...
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JP2007129806A |
To provide a controller for motor which is possible of higher input and where the input control by phase control can materialize in a wide range.A vacuum cleaner includes an electric blower (motor) which has at least two input terminals ...
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JP3918148B2 |
To prevent over excitation if torque boost voltage is largely set to acquire high starting torque in a multipurpose inverter and the like. An induced voltage indication Em* is acquired from an inverter's primary frequency indication ω1*...
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JP3917803B2 |
To provide a power window device with a less erroneous action by certainly detecting a clamping-in during the time until a stable action is carried out from the time of motor activation starting. The power window device is provided with ...
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JP2007124724A |
To provide a split-phase-start single-phase motor which is used for a cutter and where the chattering due to insufficient cutting performance does not occur and which does not cause deformation of a cutter and edge chipping and where the...
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JP3912190B2 |
To provide a driving device for brushless motor wherein a power consumption is reduced when a motor is started and high rotational accuracy is attained by PWM frequency driving during steady-state rotation, and also to provide a motor us...
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JP3908805B2 |
To make it possible for a temperature controller for motors to favorably control temperature without actually measuring the temperature of a motor. When a power supply to a device containing a motor is turned on, a variable 8 representin...
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JP3909847B2 |
To provide an improved power window nipping preventive device for rapidly detecting an abnormal current caused in a motor current by nipping of a foreign matter without wrong recognition to limit the motor current. The power window nippi...
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JP2007104777A |
To provide a reliable electric vehicle drive controller which avoids nonconformity such as torque deficiency, step out, etc. by computing an accurate velocity estimate, corresponding to various conditions in operation.This controller has...
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JP2007089315A |
To provide a start control device for a marine motor adopting an electric propulsion system, wherein an effective space can be ensured in a ship more than in conventional examples.The start control device for motors is so constructed tha...
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JP3901928B2 |
To provide a controller for electric power steering device to perform an MA-MT control in case no or little steering torque is sensed, assuring a good returning characteristic of the steering wheel during low-speed running and good conve...
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JP2007507992A |
A starting device and starting method for a single-phase induction motor, housing: a stator having a running coil and a starting coil; a running switch and a starting switch which is conducted to an open condition upon completion of the ...
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JP3892207B2 |
To provide an actuator controller for a sun shade which can save the power within itself. This is an actuator controller 1 for a sun shade which is equipped with a switch circuit 11 which forms a current path for a current which flows to...
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JP3892570B2 |
To maintain a good connection between the driving gear on the turning gear side and the driven gear on the axle side even during the rotation rise process or immediately after the attainment of synchronous speed of the electric motor whe...
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JP3891157B2 |
To achieve a miniaturization and cost reduction of a switching device for a drive control circuit without sacrificing a drive responsiveness when starting or braking a DC motor. When starting the DC motor, an energization is carried out ...
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JP3886323B2 |
To provide a motor controller which can improve reduction in size and reliability of an electromagnetic switch of the power supply to drive a plurality of motors and thereby realizes reduction in size at a lot cost. This motor controller...
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JP3884029B2 |
To provide a load control system that can effectively suppress the deterioration and the breakage of a circuit element in a control device after the generation of an abnormality caused by the damage or the like of a load. A microcomputer...
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JP2007043792A |
To improve the energy efficiency in a motor starting device.The motor starting device having a main winding and an auxiliary winding is provided with a first positive temperature coefficient thermistor 104, a semiconductor switch 105 con...
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JP3881301B2 |
To obtain a method of controlling a rotating electric machine for a vehicle capable of shortening a startup time by quickening the rise of the magnetic flux of a magnetic field without causing an increase in overvoltage and an excessive ...
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JP3877658B2 |
To securely start a brushless DC motor while reducing a power consumption. A position holding current is fed which holds for a prescribed time a rotor of the brushless DC motor at the startup of the brushless DC motor in a stopping state...
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JP3871116B2 |
The invention relates to an assembly for adjusting mobile elements of furniture, comprising a motor, a control circuit which is provided with push-button switches, a current supply circuit, a mains connection, a mains supply circuit, a m...
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JP2007014071A |
To prevent a starting relay from smoking even if it is energized, by structurizing it such that its broken chip is not caught with a pair of contact springs when a built-in resistor element breaks.In the starting relay where a resistive ...
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JP3869659B2 |
Disclosed is an electromagnetic switch device for star-delta connections including a body, three power terminals respectively connected to three-phase power lines at one side of the body, three main starting terminals respectively connec...
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JP3865537B2 |
To provide a wiper device which can eliminate a difference in wiping range due to the difference in inertia force between a low speed mode and a high speed mode, and smoothly and accurately switch the operation mode and perform the auto ...
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JP3865536B2 |
To provide a wiper control device capable of smoothly switching the rotating direction with the rotating speed in controlling a wiper link device which eliminates a difference in wiping range between high speed operation and low speed op...
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JP3864296B2 |
To prevent the continuous vibration of a steering motor in stationary steering by outputting a current command value for reversely rotating the motor on the basis of the electromotive voltage generated between armatures to the motor, and...
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JP2006345594A |
To reduce the number of times of refilling fuel by minimizing fuel consumption and to make an actuator compact as a whole by reducing the size of a fuel tank.A control valve is provided with a solid macromolecule fuel cell, and a large c...
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JP3855609B2 |
To provide a wiper driving circuit for more safety by constructing a wiper to be surely operated if a wiper relay is melted. The wiper driving circuit comprises a wiper motor 12 to be operated with power supplied from a battery 20, a wip...
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JP3855234B2 |
To provide a door sensor for preventing the complexity of a constitution and the complicatedness of installation work and a door with the door sensor in a constitution for fitting a swing side sensor, a so-called safety sensor to a door ...
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JP3849298B2 |
To provide an inverter which is constituted, in such a way that the normal/abnormal state of its initial charging switching circuit can be discriminated surely and easily. A timer is started when the charging of a smoothing capacitor is ...
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JP3847700B2 |
To provide a voltage type electronic relay for starting a single-phase induction motor. A power source 310 made up of a bridge diode BD to supply power when AC power is turned on; a triode AC switch (TRIAC) 306 applying/ interrupting the...
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JP3844260B2 |
To increase starting torque and reduce torque ripple, by a method wherein, when the energizing of both phases conforms to input demand and a rotor is in the position where the torque is generated in the same direction, switch means of bo...
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JP3841586B2 |
To provide a power window control device by surely detecting the catch of a window glass at the start of a motor and quickly avoiding the catch of the window glass. A power window control device 1 is provided with a first catch detection...
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JP2006280840A |
To provide a vacuum cleaner to be developed in a short period, mounting a control system to be developed in a short period regardless of a difference in a method for starting a cleaner with a different technique regulation.The vacuum cle...
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JP3835522B2 |
To provide an opening and closing controller capable of realizing bite preventing function having a lower bite load. The opening and closing controller is so constituted that when an opening and closing body is at least closed, an impres...
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JP3835258B2 |
To reduce power consumption of a motor fan and noise, and to make its life longer. In a motor fan controller that supplies electric power from a single power supply 12 to two 4-pole DC motors 1, 2 and that drives two fans by two motors 1...
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JP3832257B2 |
To provide a brushless DC motor controlling apparatus which surely starts a motor even if a load torque at the start of the motor is unknown and achieves high efficiency, low vibration and a high speed start-up property of the motor. A r...
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