FOAM GENERATOR Russian patent published in 1994 - IPC

FIELD: fire fighting, production of air-mechanical foam. SUBSTANCE: foam generator has housing, atomizer, transformable pack made up of two screens, each consisting of two segments installed for turning through 90 degrees. Screen segments are secured on shafts installed in housing square to foam generator axis in horizontal planes. Segment control members are coupled with shafts. Shafts with segments of each screen can be arranged coaxially. Size of meshes of one screen can differ from size of meshes of other screen. Properties of foam can be changed within wide limits by turning different segments of screens which provides change in configuration of screen pack. EFFECT: enlarged operating capabilities of foam generator. 4 cl, 14 dwg