Magnetic Configuration

A unique magnetic arrangement in which the magnetic forces acting on the rotor are in the direction of motion. This sets the LL Motor apart from conventional electric machines. The data has shown that the Linear Labs (LL) configuration is capable of producing nearly 100% more torque and continuous power than its commercial counterparts within the same frame size and geometrical envelope.

Efficiency

With virtually no end windings, the LL machine allows for reduced copper losses. The data shows that when applying the same frame size as used in commercially available propulsion units, a significantly higher efficiency (especially at the low speed region) can be achieved. This can lead to substantial reduction in onboard energy storage requirements or an extended driving range using the existing commercial Energy Storage System (ESS).

Power

Our data indicates that the continuous and peak power density of the LL motor using standard cooling can exceed 7.0 kW/kg at base speed of 3000 rpm. This is a major accomplishment by an electric motor which clearly supersedes other commercially available electric propulsion units.

Cost & Compactness

The LL motors use the same inverter as conventional electric propulsion drives and operate at lower dc link voltage which allows for smaller dc link capacitor and reduced switch ratings. This results in a more compact and low cost power electronic converter at the required power ratings used in commercial propulsion units.

Thermal Management

A unique advantage of the Linear Labs Technology in terms of maintaining high efficiency and high electro-mechanical energy conversion efficiency, where the concentrated windings of the stator results in significant savings of material and reduced copper losses as compared to conventional ac windings, which typically contain large end windings that make no contribution to torque or output.

Variable Speed Applications

The LL Technology with its low noise and low cost power electronics makes it an ideal candidate for variable speed applications such as pumps and compressors, traction, and high speed actuators.

Acoustic Noise

The radial forces in the LL machine are smaller than their commercial counterparts and produce very limited torque pulsation, which provides a very quiet motor drive system.

Motor Comparison

Motor Comparison

The Linear Labs motor compared to its commercial counterpart of the same size delivers twice the torque and power. As shown in the graph, the LL design delivers much higher efficiency starting at low speeds and continuing throughout the speed range when compared. This results in energy savings that translates into more driving range on a single battery charge.

Efficiency &
Torque

The Linear Labs motor is characterized by two main attributes; (1) very high torque starting at low speeds, and (2) high efficiency throughout the speed range.

These attributes can eliminate the need for gear reduction in many applications.

Industrial
Conservation
Opportunity

42%

of all electricity
goes to industry

2/3

used by electric
motors

90%

Installed motors run
continuously at full
speed and use
mechanical systems
to regulate output

Our Smart Software-Enabled Motors have the potential to reduce
energy consumption on a large scale

HVAC Market
Ripe for
LL Motor
Technology

Fixed speed motors

Low seer

Most systems have fixed speed motors – on or off

Unable to adjust changing climatic conditions

Newer systems may have variable speed on evaporator blower only

Higher cost systems due to electronics

Variable speed motors
Seer 24 system

LL offers total load variability

More power, smaller size

Less expensive electronics

Changes speed to deliver more comfort with changing conditions

Motor Control &
Software

Linear Labs utilizes State-of-the-Art Motor Controller Technology and proprietary software enabling unprecedented performance when coupled with the LL motors.

Machine
Learning
Will Create
Large-Scale
Efficiencies

Software, Data Science,
And Predictive Analytics

Optimizing motor
performance across
connected fleets

Millions of data points
on driving conditions

Long-term opportunity
for traffic management