Patent ID: 9488178
Filing Date: 2016-11-08
CPC Classification: F04D

Claim Text:
1. A canned motor pump comprising: a stator assembly; a housing surrounding an outer portion of the stator assembly, the housing being coupled with the stator assembly in a state in which the housing is divided into a plurality of pieces by cutting lines, and having a through-hole on a first side portion into which a fastener is fastened; and a fixing ring coupled to an inside of the housing and the stator assembly so as to provide a seal between the housing and the stator assembly, wherein the fixing ring has a cylindrical shape having a second side portion which extends by a predetermined length in a top-bottom direction, the fixing ring comprising an upper flange which extends outward from an upper end of the second side portion and a lower flange which extends outward from a lower end of the second side portion, wherein the stator assembly comprises a stator and a pipe-shaped outer ring surrounding an outer circumference of the stator, and wherein when the fastener is fastened into the housing, the housing is pressed outward by the upper flange, and the outer ring is pressed downward by the lower flange.