MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202421101526 A) filed by Tata Motors Limited on December 20, 2024, for A Coating For Hydrogen-Fueled Internal Combustion Engine And Method Of Preparation Thereof.
Inventors include Vaibhav Bhavsar; Umamaheswara Yerra; Pallav Chatterjee; and Shripadraj Ponkshe.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: A COATING FOR HYDROGEN-FUELED INTERNAL COMBUSTION ENGINE AND METHOD OF PREPARATION THEREOF The present invention relates to a multilayer coating for hydrogen-fueled internal combustion engine, comprising an Aluminium Matrix Composite (AMC) configured to be coated on metal substrate, wherein the AMC comprises uniformly distributed hexagonal boron nitride (h-BN) and silicon carbide (SiC). The present further relates to a method for preparation of the multilayer coating, wherein the method comprises the steps of heating the molten AMC that comprises uniformly distributed h-BN and SiC followed by applying, the AMC on a metal substrate and lastly treating by a plasma-based heating technique in oxidative environment to form the columnar intermediate layer of FeAl with h- BN & SiC particles and the top Al2O3 layer.
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