MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517092159 A) filed by Robert Bosch Gmbh, Stuttgart, Germany, on Sept. 25, for 'method for determining a closing time of a gas injector.'
Inventor(s) include Kober, Ralph; Rapp, Holger; Burock, Torsten; and Tuerker, Oezguer.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a method for determining a closing time of a gas injector (1) which comprises a two-part closing element (2) having a nozzle needle (20) and an armature pin (21) that bears freely movably against the nozzle needle (20), wherein: an armature (30) of a magnetic actuator (3) is rigidly connected to the armature pin (21) in order to actuate the nozzle needle (20); the nozzle needle (20) opens and closes a passage opening (70) at a sealing seat (7) in order to inject gas; a voltage profile (G) of the magnetic actuator (3) is monitored in order to determine a departure time of the armature (30) from an opened position of the gas injector (1) on the basis of a local maximum (M1) of the voltage profile (G) after energization of the magnetic actuator (3) has ended; and the closing time of the nozzle needle (20) at the sealing seat (7) is determined on the basis of an overshoot (51) of the voltage profile (G) after the departure time."
The patent application was internationally filed on Mar. 19, 2024, under International application No.PCT/EP2024/057265.
Disclaimer: Curated by HT Syndication.