Koford Engineering LLC has introduced a line of outer rotor 40mm diameter brushless motors with exceptional power to weight and size. Weighing only 203 grams they provide a peak output of 900 watts and a continuous output without external cooling or heatsinking of 499 watts. Available input voltages range from 12v to 48 volts and […]
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Koford Engineering introduces 45 amp 48 volt digital sensorless drive
Koford Engineering LLC has introduced a new 45 amp 48 volt sensorless drive with unique characteristics. This drive can operate over a 80:1 speed range, mush broader then the usual 3:1 to 5:1. It also features ultra low EMI. It has a 99% efficiency and operation up to 200,000 rpm with a two pole motor […]
Sensorless drive series from Koford Engineering features high efficiency and performance
Koford Engineering LLC has introduced a new series of 40 amp 48 volt sensorless drives. These drives feature 99% efficiency, compact size and high performance. Operation up to 80,000 rpm with a 2 pole motor is possible. The design feature operation at 100% duty cycle compared to many other drives that are limited to 95% […]
Koford Engineering introduces high-speed brushless, slotless hall sensor motor
Koford Engineering LLC has introduced a new brushless, slotless hall sensor motor featuring speeds to 81,408 rpm and 153 W of power in a 22mm diameter. It features ceramic hybrid bearings with machined Torlon retainers and ultra low loss laminations. The slotless construction is free of cog. The motor has a hardened and precision ground 440C shaft […]
Three-phase rectifier boards from Koford Engineering for brushless generators
Brushless generators from Koford Engineering components are now possible. The motion-component supplier now sells regulated three-phase rectifier boards (for up to 5 V and 20 A) that combine with any three phase sensorless brushless motor to serve as brushless generators. Product information can be found at koford.com/Generators.pdf. Recall that when driven by a power […]
High-power 10-pole brushless motors from Koford Engineering
Now Koford Engineering sells two new 10-pole motors. These high-performance motors are 5.07-in. (129-mm) brushless motors with no-load speeds to: • 2,866 rpm at 24 V • 5,760 rpm at 48 V Both hall sensor and sensorless versions are available. Winding temperature sensors are offered. Peak power is 2,502 watts for the 48-Volt unit and […]
40-mm high-power motor from Koford Engineering
Koford Engineering LLC has introduced a new 40-mm (OD) outer rotor sensorless brushless motor with a built-in internal fan. The motor produces a peak output is 900 watts with a weight of only 203 g for a power to weight ratio of 4.4 watts per gram. Continuous power is 498 watts at 10,826 rpm with […]
New high-power, 40-mm motor from Koford Engineering
Koford Engineering has introduced a new 40-mm OD outer rotor sensor-less brushless motor with a built-in internal fan. The motor produces a peak output of 900 W with a weight of only 203 g for a power-to-weight ratio of 4.4 W/g. Continuous power is 498 W at 10,826 rpm with no heat sinking and peak […]
Koford Engineering 60-A 24-V digital sensorless motor drive
Koford Engineering now sells a new series of 60-A 24-V digital sensorless drives. These drives feature 99% efficiency, compact size, and high performance. They run motors to 80,000 rpm and can run two-pole motors. The design can run at 100% duty cycle compared to many other drives that are limited to 95% duty cycle. This […]
How do brushless-motor drives eliminate motor power-supply setup?
In a recent video recorded at the Design World studios, I teamed up with my colleague Paul Heney to review the features of a brushless-motor drive from Koford Engineering in Winchester, Ohio. Consider some examples from Koford Engineering, which sells a full line of compact 5, 10, 15, 20, 30, and 40-A brushless motor drives. […]
