Industrial Consultancy & Sponsored Research (IC&SR) , IIT Madras

Floating Wiper Inductive Voltage Divider Type Displacement Transducer

Categories for this Invention

Technology: Floating Wiper Inductive Voltage Divider Type Displacement sensor;

Industry/Application: Automotive Industry, Aerospace, Defense, Medical & Industrial-Oil & Gas;

Market: The global displacement sensor market is projected to reach at a CAGR of 8.9% during the forecast period (2024-30).

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Problem Statement

  • The problem statement discussed in the present invention is how to configure inductive voltage divider type sensor configured for detecting displacement in the jet engines in effective manner. 
  • Hence, claimed invention addresses the issue.

Technology

Present patent describes a discloses an inductive voltage divider type sensor configured for detecting displacement.

The sensor circuit comprises:

  • The disclosed inductive voltage divider type sensor has capability for sensing either unipolar or bipolar displacement. (Refer Fig.1, and Fig.3)
  • Further subject invention relates to a displacement sensor that has an inductive voltage divider type sensing unit and a signal conditioning circuit.
  • The inductive voltage divider type sensing unit includes an inductive element that has a single wound coil having an axis that terminate at a first end & a second end.
  • A contactless wiper is placed at a fixed distance from the axis of the coil and is configured to be displaced laterally in a plane parallel to the axis of the coil. (Refer Fig.2)

Key Features / Value Proposition

  • Increased operational life. And Provides better accuracy;
  • Consumes less power, and Suitable for precision instrumentation;
  • Reduced weight & compact size.
  • Applicable in precision measurements in industrial, automotive, medical, utility, scientific, oil and gas sectors in particular Aerospace, Defense, Medical & Industrial.

Questions about this Technology?

Contact For Licensing

sm-marketing@imail.iitm.ac.in
ipoffice2@iitm.ac.in

Research Lab

Prof. Jagadeesh Kumar V

Prof. Boby George

Department of Electrical Engineering.

Intellectual Property

  • IITM IDF Ref. 1327

  • IN Patent No. 490651

Technology Readiness Level

TRL-4

Technology validated in Laboratory

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