JET PUMP Russian patent published in 2002 - IPC

FIELD: equipment of shower units at absence of hot water. SUBSTANCE: jet pump has housing, water supply and discharge branch pipe and suction branch pipe, nozzle, intake chamber and mixing chamber which are coaxial with nozzle, as well as bypass passages fitted with valve; bypass passages are so made that water supply branch pipe and intake chamber may be interconnected; valve of bypass passages is provided with device for position change of their section; intake chamber is additionally provided with nonreturn valve. EFFECT: enhanced reliability of water temperature control. 5 cl, 4 dwg