MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202617066399 A) filed by Li, Baifeng on May 26, 2026, for Miniature Vacuum Pump And Miniature Vacuumizing Device.
Inventor includes Li, Baifeng.
The application for the patent was published on September 11, 2026, under issue no. 37/2026.
Abstract: A miniature vacuum pump and a miniature vacuumizing device. The miniature vacuum pump comprises a collection and exhaust chamber (1), a cup assembly (3), a drive motor (5), and a vacuum breaking assembly (7), wherein the collection and exhaust chamber (1) is provided with an air inlet nozzle (10) and an exhaust hole (12). The vacuum breaking assembly (7) comprises: an air inlet hole (70) penetrating through the bottom wall of the collection and exhaust chamber (1); a pressing plate (72) movably fitted over the section of an output shaft (50) located in the collection and exhaust chamber (1), and correspondingly movably covering the air inlet hole (70); and a rotating base (74) coaxially and fixedly arranged on the output shaft (50) and located on the side of the pressing plate (72) away from the bottom wall, wherein the center of gravity of a centrifugal swing rod (76) is arranged at the end away from the rotating base (74), and the end of the centrifugal swing rod (76) close to the rotating base (74) is bent and extends towards the pressing plate (72) to form an abutting portion (761) for abutting against the pressing plate (72). The vacuum pump implements vacuum pumping operation by means of a centrifugal force.
Disclaimer: Curated by HT Syndication.
