MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202517073053 A) filed by Robert Bosch Gmbh, Stuttgart, Germany, on July 31, for 'gas injector assembly comprising a compact vacuum-controlled second sealing seat.'
Inventor(s) include Schmieder, Dietmar; and Stier, Hubert.
The application for the patent was published on Aug. 22, under issue no. 34/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a gas injector assembly for injecting a gaseous medium, said assembly comprising a gas injector (1), a shut-off valve (300), a control valve unit (8), and a rail (400). The gas injector comprises: a closing element (2) which opens and closes a through-opening (3) at a first sealing seat (4); an actuator (5) for actuating the closing element (2); and a resetting element (6) for resetting the closing element (2). The shut-off valve (300) is arranged between the gas injector (1) and the rail (400) and comprises: a second sealing seat (7) which is arranged upstream of the gas injector (1) in the direction of flow of the gaseous medium, the second sealing seat (7) opening and closing a gas flow path (A) through the shut-off valve; and a vacuum connection (80) which is arranged upstream of the second sealing seat (7) in the direction of flow of the shut-off valve (300). The control valve unit (8) comprises a control valve (81; 100, 200) which is fluidically connected to the vacuum connection (80) and is designed to connect the vacuum connection (80) to a vacuum source (82) in order to open the second sealing seat (7)."
The patent application was internationally filed on Oct. 19, 2023, under International application No.PCT/EP2023/079107.
Disclaimer: Curated by HT Syndication.
