MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202544088049 A) filed by Mahle International Gmbh on September 16, 2025, for Rolling Piston Compressor With Vane Cavity Retainer.

Inventors include Van Auken, Corey; and Moran, Steven.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: An electric compressor includes a housing and a compression device. The compression device is located within a cylinder housing and includes a cylinder and a rolling piston. The cylinder is eccentrically coupled to a drive shaft. The rolling piston has an outer surface in contact with an inner surface of a compression chamber. The rolling piston rotates about the cylinder as the drive shaft and the compression device are rotated by a motor. A vane moveably coupled to the housing and having an end adjacent the compression chamber is biased such that the end of the vane is in contact with the rolling piston as the piston device is rotated by the drive shaft. A cylindrical vane retainer sleeve is positioned around the external surface of the cylinder housing and configured to retain the vane within the vane slot. Figure 1A

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