MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641050037 A) filed by Indian Space Research Organisation, Bangalore, Karnataka, on April 20, for 'system and method for controlling a spent rocket stage using a residual pressurant gas.'

Inventor(s) include Kiran Mohan; Vishak Sasidharan; Anurag Butola; Kartikey Sharma; and Nandakumar V.

The application for the patent was published on May 1, under issue no. 18/2026.

According to the abstract released by the Intellectual Property India: "The present disclosure relates to a system (102) and a method (200) for controlling the spent rocket stage. The system (102) includes a normally open stage isolation valve (104),a first normally closed isolation valve (106), and a second normally closed isolation valve (108). The system (102) includes a controller (110) to receive a signal indicative of completion of a primary mission, close the normally open stage isolation valve (104) to isolate residual pressurant gas remaining, passivate the stage systems (120), actuate the first normally closed isolation valve (106) to admit the residual pressurant gas into secondary control circuit, switch the second normally closed isolation valve (108) to an open state to supply the residual pressurant gas to cold gas thrusters (112) and switch the second normally closed isolation valve (108) to a closed state to conserve the retained pressurant gas."

Disclaimer: Curated by HT Syndication.