PUMP UNIT Russian patent published in 2020 - IPC F04D13/06 F04D29/02 F04D29/08 H02K5/10 

FIELD: pumps.

SUBSTANCE: group of inventions relates to pump units, in particular to pumps with wet rotor with adjustable speed, usually used as circulating pumps of house heating systems. Pump assembly (1) comprises rotor axis (45) extending along rotor axis (R), impeller (12) attached to rotor axis (45), pump housing (11) accommodating impeller (12), wherein pump housing (11) forms first radial inner base surface (71), drive motor comprising stator (17) and rotor (51), wherein rotor (51) is attached to rotor axis (45) to drive wheel (12), rotor casing (57) accommodating rotor (51), wherein housing (57) comprises flange (63) of rotor casing, and housing (13) of stator, containing stator (17), which contains windings around core (114) of stator (17). First material (122) is molded on first section of core (114) surface as electric insulating layer between windings and core (114), and second material (124) forming walls of stator housing (13) is molded on second section of core (114) surface.

EFFECT: inventions are aimed at creation of pump unit of more compact design.

15 cl, 24 dwg