MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202641112156 A) filed by Pragati Engineering College on September 18, 2026, for Adaptive Vibration Damping Mechanism For Rotating Machinery.
Inventors include Dr. Avinash Gudimetla; Mr. M Sunil Raj; Mr. Akella Yeswanth; and Mr. Bomma Bharath Kumar.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: The present invention relates to an adaptive vibration damping mechanism (100) for rotating machinery such as turbines, compressors, motors, pumps, and shafts, designed to dynamically suppress vibration across varying operational speeds and load conditions. The mechanism comprises a vibration sensing module (102), employing one or more of an accelerometer, proximity probe, or strain gauge, mounted proximate to the bearing housing or rotor shaft to continuously detect vibration amplitude, frequency, and phase in real time. The sensed signals are transmitted to a signal processing and control unit (104), which executes a closed-loop control algorithm, such as proportional-integral-derivative control, fuzzy logic control, or model-based predictive control, to compute a required damping adjustment. Based on this control signal, a variable-rate damping actuator (106), preferably a magnetorheological fluid damper or, alternatively, a piezoelectric-actuated element, continuously varies its damping coefficient to counteract sensed vibration, including during transient passage through critical or resonant speeds. A feedback loop re- senses the resultant vibration response following each adjustment, enabling continuous, iterative correction. A fail-safe default mode module (108) automatically reverts the actuator to a pre-set nominal damping coefficient upon detection of sensor failure, power loss, or control fault, ensuring safe operation. The mechanism is housed in a modular, retrofit-compatible structure, allowing integration into existing bearing housings without redesign of the rotor or shaft assembly.
Disclaimer: Curated by HT Syndication.
