JET PUMP-HEATER (VERSIONS) Russian patent published in 2010 - IPC F04F5/14 

FIELD: engines and pumps.

SUBSTANCE: proposed pump-heater is intended for heating fluids in various vessels. Jet pump-heater comprises hearing medium feed branch pipe, two steam-jet devices, each comprising steam nozzle jointed to the housing and mixing chamber arranged aligned with steam nozzle and embracing it to form circular gap. Note here that steam-jet devices are arranged at obtuse angle to each other, while steam nozzle lengthwise axes are located in one plane with heating medium branch pipe axis. Note also that every steam-jet device comprises casing secured in cantilever on the housing and embracing mixing chamber and nozzle to make a circular gap. Here note that wall of every mixing chamber has at leas two transverse cuts or at least two circular lines of holes. Continuous circular baffles are arranged in circular gap between inner wall of every casing and inner wall of every mixing chamber. Mind that at least one transverse cut or at least one circular line of holes is made in the wall of every mixing chamber, as well as holes are also made in the wall of every casing between aforesaid baffles.

EFFECT: reduced of viscous medium heating.

7 cl, 3 dwg