POSITIVE-DISPLACEMENT ROTOR MACHINE Russian patent published in 1997 - IPC

FIELD: engine and compressor engineering. SUBSTANCE: positive-displaceable rotor machine has housing provided with a diagonal groove on its inner side. The groove receives a disk. Cones abut against the disk and both sides of the housing. The tops of the cones abut against the spherical portion to define the first and second spaces separated with the disk. At least one rotatable blade is interposed between the spherical central portion and inner side of the housing. The blade is rigidly secured to the cones which are provided with inlet and outlet ports. The spherical central portion is made up as a ball support. The support is rigidly secured in the central portion of the disk and is mated with the hollows in the cones. Inside the ball support may be a ball chamber. EFFECT: enhanced efficiency. 6 cl, 9 dwg