ANTI-FLOODING SAFETY DEVICE FOR HOUSEHOLD APPLIANCES, IN PARTICULAR WASHING MACHINES Russian patent published in 2016 - IPC A47L15/42 

FIELD: instrument making.

SUBSTANCE: anti-flooding safety device for a user apparatus comprises first connection body (20) defining a first duct, first duct having inlet (11, 23a) and outlet (23b), inlet of first duct (11, 23a) is provided for connection to a supply point of a mains supply; inner flexible hose (17) and outer flexible hose (16) impermeable to water, wherein inner hose (17) has a proximal end, which is tightly fixed in a position corresponding to outlet (23b) of first duct, and a distal end for connection to user apparatus, and wherein inner hose (17) extends longitudinally within outer hose (16) so that between at least part of two hoses (16, 17) gap (18) is defined, designed to convey to user apparatus and/or to withhold inside it any possible leaking water; and valve arrangement (30, 72, 80, 83) on first connection body (20), which can be switched from a position of opening of first duct to a position of closing of first duct following upon detection of a leakage of water.

EFFECT: axis of inlet (11, 23a) extends in a direction transverse to axis (B) of outlet (23b).

20 cl, 18 dwg