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Ledex® Rotary Solenoids and Actuators
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Ultimag® Actuators
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Ledex® Rotary Solenoids
Ledex® Linear Solenoids
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STA® Tubular
Ledex® Low Profile
Soft Shift®
DC Open Frame
Dormeyer® AC Open Frame
Dormeyer® Laminates
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Solenoids > Application Examples
Field-proven Ledex® brand actuation products are ideally suited for high-performance applications in the automotive industry.
Inherent features that make linear and rotary solenoids particularly attractive for this market include:
  • Compact-size
  • High force or torque
  • High speed
  • Operate on 12 VDC battery system; ideal for microprocessor controlled systems
  • Withstand high temperature under the hood environments
  • High MTBF, reliable, repeatable operation without degradation due to wear
  • Long, predictable life (+100 million cycles)
High-low beam lights
Electronic switch to activate high-low beam lights.
Night vision rear view mirror
Automatically adjusts the rear view mirror to diffuse car lights.
Push-button 4WD
Electric switching replaces mechanical system for improved cold weather operation.
Seat belt locks
Engages during shock to lock seat belts in position
Trunk/gas cap releases
Push-button release from dashboard or keyless switch.
Anti-theft control
Stops fuel flow to the engine to prevent theft
Ledex® & Dormeyer® Products for Advanced Automotive Designs
Compressed natural gas valve control
Solenoids are used for a number of operations inside compressed natural gas engines to start/stop fuel flow from the tank to the engine, to proportionally control the amount of fuel allowed to enter the engine, and to prevent fuel leakage when the engine is stopped.
Fuel-to-cylinder valve
Used to shut off fuel to the individual cylinders so that an eight cylinder car can be operated on four or six cylinders to reduce fuel consumption.
Manifold emissions
Exhaust gas recirculation valve control improves emission levels.
Diesel fuel control
Governs the amount of fuel to the engine, proportionally controls the throttle and regulates engine timing.
Transmission shift interlock
Prevents the driver from shifting out of Park unless the brake pedal is depressed.
Automatic clutch system
Clutchless gear shifting takes the footwork out of driving.
Brake by wire
Eliminates traditional hydraulic lines, and controls the braking of the car in emergency conditions through all electronic, "smart" braking.
Electronic parking brake release
Allows driver to release the parking brake with a simple dashboard mounted push-button or automatically through shift lever movement.

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