ROTARY HYDRAULIC-HAMMER HEAT-GENERATING PUMP Russian patent published in 2003 - IPC

FIELD: off-line closed-circuit heat and hot-water supply and liquid- heating systems. SUBSTANCE: rotary heat-generating pump designed for heat and hot-water supply to apartment houses, public and industrial buildings, and also for hot water supply and liquid heating in process systems has hollow housing with suction and delivery pipes that accommodates rotor and stator concentrically arranged therein with channel formed between them that communicates with holes made in the form of contracting nozzles; annular channel on rotor and stator side has perforated depressions receiving flexible hollow balls and rings provided with holes in the form of contracting nozzles facing annular channel interior; bases of heated liquid inlet and outlet pipes are disposed in annular channel. EFFECT: enhanced economic efficiency of liquid heating process. 4 dwg