A 300 Kw permanent magnet brushless dc motor with axial gap configuration to fit within 23 inch diameter by 10 inch long package is proposed for tracked vehicle applications. The stator constructed using novel concepts results in under 24 p.s.il, 4.4 gallons/min. oil flow to keep the maximum… More

Torpedo and unmanned underwater vehicles (UUV) need 8-20 HP electric motors with variable speed to 800 RPM. The magnetic iron core used in motors for carrying the magnetic flux, generates audible noise if the operating frequency and its harmonics are in the audible range. Thus a low speed motor … More

With increased use of electric power on Army air and ground vehicles, compact, lightweight integrated turbo-generator sets with electric start capability are needed. Foil air bearings for high temperature oil free gas turbines are now feasible. Otherbarriers include electrical insulation and… More

This proposal addresses issues relating to the application of non-superconducting generators in 1 to 5 MW range to high voltage Directed Energy Weapon (DEW) systems. The main focus is to select the best condidate generator from a variety of electromagneticand electrostatic generator concepts. The… More

"A number of Navy aircraft including P-3, E-2C, and C-130 have electric power systems that use Honeywell generator type 28B95. This generator was rated at 60-kVA per military standard Mil-G-21480A and is capable of providing up to 90-kVA output duringflight. Due to the growth in Avionics, it is… More

High speed integrated starter generator (ISG) is a critical accessory for oil-free turbine engines. When located directly on the turbine shaft in the high temperature environment, the ISG eliminates any need for gears and makes the turbine engine compactwith reduced maintenance. The present proposal… More

Many High Power Microwave and Laser based Directed Energy Weapon Systems need electric power in the megawatt range. For airborne applications high power density light weight power source is needed. This proposal addresses development of a 2.5 MW generator operating at 15000 RPM for the airborne DEW… More

Electrodynmaics Associates, Inc. has under development a 50 kW 10000 RPM electric propulsion motor and controller. The Phase I activity is in progress, and the electromagnetic analysis, structural analysis as well as thermal analysis of the motor is completed indicating satisfactory operation at the… More

Hybrid electric propulsion of Army vehicles is beneficial in terms of fuel economy and silent mobility. High torque and high power density PM motors are needed for these applications.Electrodynamics proposes innovative concepts to achieve and exceed specified goals in power and torque density,… More

Compact source of electric power is needed on unmanned combat air vehicles (UCAV) for directed energy weapon (DEW) systems. Electrodynamics proposes integration of high speed induction generator electromagnetics and controls hardware rated at 200 kW, 62000 RPM into a viable system for these… More

Electric power needs for modern aircraft are increasing due to addition of electric power loads. At the same time, the thermal capacity of the jet fuel for heat removal from the equipment is limited. More and more, the demand is for electric power system that is efficient, power dense and robust.… More

An innovative solution for improvement in power density, efficiency, and reliability of the electric starter generator (ES/ G) is proposed using induction technology. Single set stator-rotor assembly per power section and lack of rotating windings and rectifiers will substantially improve power… More

Helicopters are equipped with brush type 30 V dc generators. With increasing ac 400 Hz. power requirement, some of the dc power is converted to ac power using solid state inverters. This approach involves increased cost, weight and reduced efficiency of the electrical power system. This proposal… More