GRAIN COMBINE Russian patent published in 1999 - IPC

FIELD: agricultural engineering. SUBSTANCE: grain combine has device for supplying fire-suppressing liquid to fire zone in case of occurrence of fires in combine. Device has closed liquid contour having fire-suppressing liquid vessels, pump, hydraulic accumulating chamber and supply pipeline with branch pipelines, with all mentioned parts of circuit being connected in series. Hydrodynamic pressure pulsator mounted on feed pipeline has discharge end connected with vessel. Feed pipeline branch pipes are introduced into cavity of threshing unit into space adjacent to engine, fuel tank and operator's cabin. Construction of device allows fire-suppressing liquid to be simultaneously supplied to existing fire zone as well as to potentially dangerous fire zones. EFFECT: increased efficiency and simplified construction. 5 cl, 2 dwg