MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202541029042 A) filed by Hindustan Aeronautics Limited on March 27, 2025, for Torque-Split Gearbox For Power Transmission In Helicopter.

Inventors include Lakkappa Hunalli; and Basavaraju S.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: A helicopter gearbox with torque split configuration of main gear box (MGB) with twin engine input axis (4,4a), combining twin engine torque received through four torque paths comprising, plurality of floating helical pinion (12,13) along axis (14), in such a way input torque is equally shared between plurality of a helical gear (16,17); wherein helical gears (16,...