PERISTALTIC PUMP Russian patent published in 1995 - IPC

FIELD: pump engineering. SUBSTANCE: hose is mounted on the concave side of the housing provided with covers. The hose is mounted for permitting interaction with the working rollers secured to axles. The rotor is coupled with the drive. The mechanism for converting force of the hose pinching is made up as guides secured in the covers and additional spring-loaded rollers. The working sides of the covers is provided with alternative projections and hollows. The spring- loaded rollers are mounted for permitting interaction with the guides and working rollers by way of the working rollers. The working rollers have convex surface of less diameter than the surface of the housing. EFFECT: improved design. 2 dwg