MATERIAL GRINDER Russian patent published in 1999 - IPC

FIELD: agriculture, mixed feed industry, food-processing and chemical industry, in particular equipment for grinding raw plant material, such as fodders. SUBSTANCE: grinder has vertical chamber, feeding and discharge devices. Two disk rotors are positioned within vertical chamber. Immovable disk positioned inward of disk rotors is provided with radial knives disposed at both sides of disk and equipped with pins. Disk rotors have radial knives with fingers arranged in rows extending in concentric circles between pins. Drive for rotors is formed as electric engine positioned within chamber and provided with paired starter having two independent windings. Starter is fixed within immovable disk. Blades are mounted on rotor positioned opposite feeding and discharge devices. Such construction of grinder allows direction of rotation of rotor to be changed. EFFECT: increased efficiency by providing favorable working conditions and reduced power consumption. 3 cl, 2 dwg