PUMP UNIT Russian patent published in 2019 - IPC F04D13/06 F04D29/62

Abstract RU 2690606 C1

FIELD: pumps.

SUBSTANCE: invention relates to pump units, in particular, to pumps with "wet" rotor with controlled rotation speed, and can be used as circulating pumps of domestic heating systems. Pump unit (1) comprises impeller (12) with rotor axis (R) located in pump housing (11) and driven by motor with stator (14) and rotor (51). Rotor (51) is located in rotor casing (57), and stator (14) is located in stator casing (13). Casing (57) is installed on housing (11) by means of the first connection and casing (13) by means of the second connection. First connection is located closer to rotor axis (R) than second connection. First connection is provided by means of fastening element (16) which is a connecting nut located around casing (57) and fixing flange (63) of casing (57) to housing (11).

EFFECT: invention is aimed at creation of a more compact design of a pump unit.

15 cl, 9 dwg

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RU 2 690 606 C1

Authors

Vestergaard Kragelund, Klaus

Plougmann, Jan

Aarestrup, Jan Caroe

Dates

2019-06-04—Published

2018-03-28—Filed