LVDT

Kearfott’s Linear Variable Differential Transformers (LVDTs) are time tested for more than 50 years for a range of aerospace, military, and other high reliability/harsh environment applications. LVDT position sensors are most commonly used in control surface position applications, pilot controls, and on-engine feedback. Options are available to supply hermetically sealed units for use in fluid and hydraulic applications.

Proven Technologies

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  • Brushless PM DC
  • Induction
  • Synchronous and Stepper
  • Single and multi-speed resolvers
  • RVDT and LVDT
  • Power stage
  • Loop closure
  • Advanced control algorithms
  • Serial, ARINC, CAN
  • Anti-Backlash
  • Spur Power train
  • Differential and Planetary
  • Epicyclic / power hinge

Single Channel

Kearfott’s single channel LVDT offers position feedback for many commercial and military aircraft systems. With a high accuracy linear position sensor, these LVDTs are compatible with a range of mounting configurations.

  • Wide mechanical compatibility
  • Range of mounting configurations available
  • Built by highly-skilled team of engineers
  • Accuracies typically 1% full-scale, 0.5% about null
  • Long life devices
  • High accuracy in extreme environments
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Multi-Channel

Kearfott’s multi-channel LVDT’s offer redundancy in case of a sensor break or failure. This type of system design is often used with military fly-by-wire aircraft.

  • Dual, Triple, or Quad Redundant Assemblies
  • Controlled channel-to-channel tracking accuracy
  • Hermetic or Environmentally Sealed Options
  • Vertical integration allows for smaller product sizes
  • High reliability
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Custom Solutions

Custom LVDTs are available for a range of aerospace, military, and other high reliability/harsh environment applications. Spring-loaded LVDTs are used in control surface position applications and pilot controls. Precision stiffness units can be used as force sensors for a range of surface and utility applications.

  • Fail-safe, zero backlash mechanism
  • Wide mechanical compatibility
  • Range of mounting configurations available
  • Built by highly-skilled engineers
  • Spring-centering and other mechanical options
  • Long life devices
  • High accuracy in extreme environments
  • Tailored application approach ensures necesary features at the right price
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