Recent Special Applications

Low-inertia DC motor with integrated tachometer and speed reducer

(harmonic drive) for military and commercial shipboard stabilization applications:

Used for continuous operation in underwater gyro designs
Approximate diameter 6 in.; length 8 in.; weight 30lb. maximum
Corrosion resistant(can be designed for seawater resistance)
Operating temperature -30°C to +90°C
Output torque 620 in. lbs.
Speed 20 rpm
Tachometer output 6 volts per 1,000 rpm

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Silent Stop Failsafe Brake for medical devices, with a compact pancake design for use with artificial limbs:

Provides silent operation during engagement and slipping phases
Diameter 1.8 in.; length 0.47 in.
Torque 18 oz. in.
Low-power usage and low-heat operation
Modelled to ensure correct and reliable system operation with our motors and other components for medical devices

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Handheld Brushless DC Motor with Brake and Gearhead

Capable of running cool (at touch temperature) while delivering more than 200 in-lbs of torque.
Designed for high efficiencies on both the motor and the gearhead
Special fin configuration for low temperature rise even after rigorous duty cycles
Power output of about 1/2 HP
Electronic board, internal wiring and construction designed to meet the highest level of EMI standards.
Weighs about 7 lbs.

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120VAC Single-phase Induction Motor/Gearbox driving essential U.S.Navy auxiliary equipment per Mil-M-17059A(SHIPS) Service A:

Continuous operation in ambient air over a very wide ambient temperature range, -40^oC to 150^oC
150rpm; 100 oz.-in. torque
2in. O.D. x 7.75in. length
2lb. weight
Ease of control with just two-or-three-wire 120VAC excitation for single direction or reversible operation
resistant to seawater exposure

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High-reliability 24VDC Brushless DC Motor/Controller:

Finned brushless dc motor is self-cooling
compact, long-life, high-speed workhorse
Drives automated mail sorting systems in large government agency's distribution centers nationwide
Drive electronics designed to limit torque and current
Provides system performance feedback to a computer.
Negligible field returns confirm the unit's high reliability.
Suitable for commercial/military applications.
Length 3.5in;, weight 23oz., diameter 2in., speed 14,000rpm.

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Limited Rotary Actuator for Underwater Vehicles BLDC Motor, gearhead, electro-mechanical brake, limited stop and electronic drive system; high-reliability - can be designed for military and commercial applications.

Unit weight 36lbs.; diameter 5.5in.; length 16.5in.

Frameless Motor Frameless BLDC motor moves fins on a military missile.
Outside diameter 0.84in.; length 1.25in.

Linear Actuator

Universal brush motor
Acme screw
Worm gear
Right–angle drive
Limit stops
Linear stroke 3in.

precision gearhead, bushless dc motor and synchro

Gearhead, Brushless Motor & Synchro

Diameter 1.5” maximum, 6” long. Output shaft 3/8” diameter from gearhead.
At 1500rpm, spur gearhead/motor puts out 7 in./lbs. continuous torque with 2 amperes maximum current. Efficiency 70% minimum.
Corrosion-resistant stainless steel materials utilized; unit operates while immersed in hydraulic fluid.
Operating temperatures 160C; integral high-temperature synchro used for commutation, which operates at 5V and 5000Hz square wave.
The unit withstands 20Gs(50-500Hz) vibration and 100Gs shock.

Rotary Actuator

200° C Temperature Range
Pressure Environment 20,000 PSI. Oil Filled

flight control electromechanical actuator

Flight-Control Actuator Bldcm, planetary gearhead(450:1 ratio), fail-safe brake, SS side-connector for EMI shielding & wire integrity & protection, electronics; Inbuilt custom glass-encapsulated temp. sensor; 40in.-lbs. rated torque; size 1.25”x 3.5”; 0.75lb. wt.

Aircraft Actuator

Bldcm & Brake Ass’y;
Size 2.5”x 3”; wt.2.5lb.
500w+ @ 12,000 rpm
Inbuilt temp. sensor
SS connector housing for EMI shielding(MIL-STD-461E) and wire integrity and protection for enhanced reliability