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Topic: Brushless DC electric motor


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In the News (Tue 23 Apr 19)

  
  PowerPedia:Electric motor - PESWiki
The modern DC motor was invented by accident in 1873, when Zénobe Gramme connected a spinning dynamo to a second similar unit, driving it as a motor.
Generally, the rotational speed of a DC motor is proportional to the voltage applied to it, and the torque is proportional to the current.
Brushless DC motors are commonly used where precise speed control is necessary, computer disk drives or in video cassette recorders the spindles within CD, CD-ROM (etc.) drives, and mechanisms within office products such as fans, laser printers and photocopiers.
peswiki.com /index.php/PowerPedia:Electric_motor   (7598 words)

  
 How Electric Motors Work - Gizmo Highway Technology Guide
DC motor speed generally depends on a combination of the voltage and current flowing in the motor coils and the motor load or braking torque.
AC motor speed primarily depends on the frequency of the AC supply and the amount of slip, or difference in rotation between the rotor and stator fields, determines the torque that the motor produces.
A stepper motor is a cross between a DC electric motor and a solenoid.
www.gizmohighway.com /howitworks/electric_motor.htm   (1079 words)

  
 Electric supercharger - Patent 5638796
An electric motor stator 44 is mounted to an interior surface of the housing section 8 of the housing assembly 3.
An electric motor stator 144 is mounted to an interior surface of the housing section 108 of the housing assembly 103.
The rotor 140 of the electric motor 141 is supported on the opposite end of the shaft 120 in a cantilever fashion by means of a cylindrical sleeve bearing 145.
www.freepatentsonline.com /5638796.html   (3877 words)

  
 Brushless DC electric motor - Wikipedia, the free encyclopedia
The poles on the stator of a two-phase BLDC motor.
The reluctance motor has all its poles on the stator, and a magnetic core on the rotor.
In all BLDC motors, the stator-coils are stationary.
en.wikipedia.org /wiki/Brushless_DC_electric_motor   (905 words)

  
 Refrigeration compressor driven by a DC motor - Patent 4856286
The purpose of motor drive 32 is to electronically commutate motor 28 and also to vary its speed by varying the voltage and frequency of the motor's electrical speed 30.
Motor drive 32 commutates motor 28 by alternating the relative polarity of the motor's supply voltage 34 and synchronizing the polarity changes with the rotational position of the motor's rotor.
Motor drive 32 electronically commutates motor 28 in response to the rotor position feedback signal 36, and controls the the motor's supply voltage 34 in response to a relatively low voltage speed command signal 42.
www.freepatentsonline.com /4856286.html   (6537 words)

  
 eCycle, Inc. |  SolidSlot™  Brushless Motor/Generator
All the advantages of a brushless motor with the simplicity of a DC motor.
This enables the SolidSlot brushless motor to be run directly from a battery or with an industry standard DC motor controller.
The voltage is proportional to speed and the resultant DC power may be used for battery boosting or to power an AC inverter.
www.ecycle.com /motorgenerator/default.htm   (279 words)

  
 Johnson Electric Opens Brushless DC Motor Technical Center In Italy
Johnson Electric is the brushless motor market leader with 70 percent share of the automotive HVAC segment.
Johnson Electric, the largest volume electric motor supplier to the auto industry, employs over 30,000 people in 14 countries, with the majority of the workforce engaged in production activities in China and Mexico.
The Johnson Electric Group is the motor industry's growth leader, providing micro motors and integrated motor systems to global customers in the automotive, power tools, home appliances, business equipment, audio-visual and personal care sectors.
www.theautochannel.com /news/2004/02/23/181596.html   (341 words)

  
 Electric motor - Wikipedia, the free encyclopedia
As the motor spins, the CEMF increases until it is equal to the applied voltage, minus the parasitic voltage drop.
As a result, doubly-fed electric motors are synchronous machines with an effective constant torque speed range that is twice synchronous speed for a given frequency of excitation.
The electrical ports, which may include electronic support, of the electric motors are tied to a single electrical port while two mechanical ports (shafts) are available externally.
en.wikipedia.org /wiki/Electric_motor   (7336 words)

  
 Electric Motors & DC Motors
The Electric Motors Reference Center, from Machine Design, is designed to provide design engineers with the information they need to specify or purchase electric motors including: AC motors, DC motors, stepper motors and servo motors.
Electric motors, both ac motors and dc motors, come in many shapes and sizes.
In any case, electric motors should be selected to satisfy the dynamic requirements of the machines on which they are applied without exceeding rated electric motor temperature.
www.electricmotors.machinedesign.com   (385 words)

  
 Stepper Motors, DC Motors, Stepper Motor Drivers, Brushless Motors, Brushless DC Motors, Stepping Motors, Step Motors, ...   (Site not responding. Last check: 2007-11-04)
We stock thousands of stepper motor drivers, DC motor speed control drive, microstep drivers, bipolar drivers, stepper motors, (also known as a stepping motor or step motor) brush dc motor, dc motors, brushless motors, servo motors, dc permanent magnet motor, small motors, miniature motor, and large motors.
If you are an OEM looking for a driver or an electric motor of any kind, chances are you will find it here, in stock, at a great price.
As a Stepper Motor Driver Manufacturer, whether you need high volumes or just a few pieces, you will find that Anaheim Automation has the motor or driver to fit your application.
www.anaheimautomation.com   (472 words)

  
 A micro brushless DC motor Model Airplane News - Find Articles
Phil operates this experimental brushless motor on 4 cells (5 volts) with a current drain of about 250mA (1/4 amp).
Phil's experimental motor is a little cumbersome, but he thinks that it can be improved.
The final motor design won't end up as small as a pager motor (8/10 gram), but it will still be very light.
www.findarticles.com /p/articles/mi_qa3819/is_199912/ai_n8855977   (497 words)

  
 DC Motors, Brushless Motors, Brush DC Motors, Precision Gearheads, Coreless Motors, Small DC Motors, Encoders, Drive ...
Headquartered in Clearwater, Florida, MicroMo Electronics, Inc. is the North American source for the world's smallest high precision DC motor drive systems, components and controls.
The miniature stepper motor has an external motor-diameter of only 12 mm and a length of 17.2 mm.
The ultra-compact brushless DC gear motor has a diameter of 13 mm and a length of 7 mm and can achieve a continuous torque of 5 mNm with speeds up to 1,639 RPM.
www.micromo.com /?source=globalspec   (411 words)

  
 DC Brushless Motors - Electric Motor Power, Australia
EMP commenced manufacturing brushless motors in 2002 and it's range continues to expand.
Presently, EMP manufacturers brushless motors between 375W to 4000W.
The Advantages of a brushless motor over a brushed motor are:
www.emppl.com.au /dcbrushless.htm   (49 words)

  
 Bodine Electric 34B Brushless Series DC Motors
View replacement parts list for this brushless DC motor series in PDF format
Motors may be used with a variety of controls, including servo amplifiers, that produce square-wave current for 3-phase, 4-pole brushless motors with 60° commutation
Bodine stocks a full line of single-quadrant speed controls ideally matched for Bodine's brushless motors.
www.bodine-electric.com /Catalog/34bbldc.asp   (217 words)

  
 BODINE ELECTRIC: Gearmotor, Synchronous Motor, Low Voltage Motor, Motor Control, Brushless DC Motor Inverter Duty Motor.
fractional horsepower motors, gearmotors and system-matched motion control were required.
motors, gearmotors and controls requirements is unparalled, whether it be AC, DC or brushless.
Brushless DC Products as a proven solution for an economial alternative to stepper and servo systems.
www.mcsupplyco.com /uploads/Manufacturers/Bodine.asp   (141 words)

  
 Brushless DC Motor(MS9540B) - A-Power Electric Co., Ltd.
Brushless DC Motor(MS9540B) - A-Power Electric Co., Ltd.
A-Power Electric Co., Ltd. Home : Products Product Description: Brushless DC Motor(MS9540B), MS9540B Brushless DC Motor features with long life operation application, speed signal output for constant speed control, wide speed control range from 0 to 40 VDC, 3-phase bi-directional design and fully customize design.
MS9540B Brushless DC Motor features with long life operation application, speed signal output for constant speed control, wide speed control range from 0 to 40 VDC, 3-phase bi-directional design and fully customize design.
www.allproducts.com /manufacture12/apower/ms9540b.html   (134 words)

  
 DC Brush Brushless Electric Motors zero cogging ironless core Thin Gap
ThinGap's modern electromotive coil technology establishes a power standard for DC brush and brushless motors, generators, and actuators.
The modern coreless circular copper coil increases copper density in the magnetic gap.
The "no-cog" motor - Brushless dc motors without wire windings rotate smoothly with practically no cogging or torque ripple.
www.thingap.com   (195 words)

  
 Electric Motors & DC Motors - New Brushless DC Motor Controller   (Site not responding. Last check: 2007-11-04)
Electric Motors & DC Motors - New Brushless DC Motor Controller
The new 371-0028 brushless DC motor controller from Servo Magnetics Inc. provides 1000 watts of power in an amazingly small footprint of 3.00"W x 4.65"L x 1.75"H. This servo-amplifier is suitable for closed or open loop velocity and torque control of BLDC motors producing greater than 160 oz-in at 7000 rpm.
Input voltage can vary from 10 to 50 volts with a rating of 20 amps continuous and a peak of 40 amps for rapid acceleration applications.
www.electricmotors.machinedesign.com /ArticleDraw.aspx?artid=58798   (165 words)

  
 R/S Electric Motor Sales and Service
At R/S Electric Motors, you can choose from over 15,000 motors to meet your exact project requirements.
R/S Electric Motors offers a broad line of the most energy-efficient electric motors and adjustable speed drives from some of the industry’s top manufacturers providing you with true mechanical precision.
The motors features gasketed capacitor housing and conduit boxes, a shaft slinger, and a rubber boot over the manual protector reset button providing protection in all environments.
www.rselectricmotors.com /motors.html?source=google   (201 words)

  
 Brushless DC Motor, Brushless Motor(4IB75, 4CB75, 4RB75, 5IB83, 5RB83) - Maxway Electric Industrial Co., Ltd.
Brushless DC Motor, Brushless Motor(4IB75, 4CB75, 4RB75, 5IB83, 5RB83) - Maxway Electric Industrial Co., Ltd.
Maxway Electric Industrial Co., Ltd. Home : Products Product Description: Brushless DC Motor, Brushless Motor(4IB75, 4CB75, 4RB75, 5IB83, 5RB83), This series of Brushless DC Motor features: Power Source: AC/DC power There are many types and drivers with output power 20-300W for selection.
Carbon Brushless, low noise, high efficiency, long life & long-time operation.
www.allproducts.com /ee/motor-net/04-4ib75.html   (249 words)

  
 eCycle, Inc. |  Advanced Brushless Motors | Hybrid Technology
Since its founding in 1996, eCycle has distinguished itself as a source of high efficiency, advanced brushless motors and generators.
Electric Powerhead for Yamaha Outboards - Final testing is complete with great success.
eCycle motors are setting new standards for aircraft air-conditioning systems.
www.ecycle.com   (77 words)

  
 R/S Baldor, Leeson, Fincor&Marathon Electric Motors, Sales, Repair&Service   (Site not responding. Last check: 2007-11-04)
Find the AC motors, DC motors, single phase motors, three phase motors, pump motors, and brake motors you need including our complete resource for farm duty and agricultural motors.
Bring in your electrical motors for rebuilding, rewinds, balancing, lazer alignment, motor testing, and electric motor repair service – to keep your electric motors running smoothly.
We proudly service all industrial electric motors including motors from these electric motor manufacturers: Marathon Electric motors, Baldor electric motors, Leeson electric motors, and Fincor electric motors.
www.rselectricmotors.com /?source=google   (162 words)

  
 Controls: Brushless DC Motor on ThomasNet.com
Welcome to the most trusted and comprehensive Controls: Brushless DC Motor directory on the Internet.
A broad range of Controls: Brushless DC Motor resources are compiled in this industrial portal which proves information on manufacturers, distributors and service companies in the Controls: Brushless DC Motor industry.
Controllers & control components are available for brushless DC motors, DC brush motors, & AC induction motors....
www.thomasnet.com /products/controls-brushless-dc-motor-18271502-1.html   (950 words)

  
 Electric motor design (brushless, DC, AC, SR)  and motion control consulting engineering
Electric motor design (brushless, DC, AC, SR) and motion control consulting engineering
A design engineering and consulting resource for companies engaged in the application or design of electric motor products and business and market development in the field of motion control.
Axeon is a coalition of diverse resources with a multinational presence centered on a core competency of electric motor design and development.
www.axeonmotion.com   (136 words)

  
 Brushless Dc Motor - Products for Brushless Dc Motor - Manufacturers,Exporters,Suppliers,Traders,Companies,Factories   (Site not responding. Last check: 2007-11-04)
We are the leading designer and exporter of brushless motor and i
We currently have a 17mm to 86mm Brushless DC Motor.
The permanent magnetic DC motors and high power brushless DC moto
www.alibaba.com /productsearch/Brushless_Dc_Motor.html   (640 words)

  
 Electric Motor Controls / Drives For Stepper Motor, DC Motor, Brushless DC Motors, AC Motors including AD1012BF ...   (Site not responding. Last check: 2007-11-04)
Electric Motor Controls / Drives For Stepper Motor, DC Motor, Brushless DC Motors, AC Motors including AD1012BF Frequency Inverters for the BTU Paragon Oven, AS-75, AS-203, BLDC-301, BLDC-401, LVDC-123, LVDC-225, APDM-114, PSD-12 Clutch Brake Driver, ER-10 Avery Dennison Decorator C/B Driver
Motor Controls formerly produced by Automation for Industry, Inc., Wooster Controls Inc., and GraphPac Systems are now available from Jack Wooster Consulting.
Jack Wooster Consulting continues to make available many products and repair / overhaul services for products formerly manufactured by Automation for Industry, Inc., Wooster Controls, Inc. and Graphpac Systems, Inc., all of which are no longer in business.
www.afimotion.com   (305 words)

  
 Electric Motor Controllers, Brushless Direct Current (DC), Hall Effect Latch - UK suppliers   (Site not responding. Last check: 2007-11-04)
Electric Motor Controllers, Brushless Direct Current (DC), Hall Effect Latch - UK suppliers
Digital DC, Analog DC Drives Regen., Non-Regen, Digital, Analog
S T S Electric Motors Ltd, Cradley Heath, West Midlands
www.ewbuyersguide.com /product-63036.html   (153 words)

  
 hub motor, brushless dc motor, electric bike,power wheelchair,bike conversion kit   (Site not responding. Last check: 2007-11-04)
hub motor, brushless dc motor, electric bike,power wheelchair,bike conversion kit
Pedelec System -- motor works only when you are pedaling
Click here to sign up your free PayPal account if you don't have one yet, PayPal enables safe credit cards online payment.
www.goldenmotor.com /e-Bike-DIY/DIY-ebike-kits.htm   (217 words)

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