PUMP, HEAT PUMP TYPE HOT WATER SUPPLY DEVICE, AND METHOD FOR MANUFACTURING PUMP

摘要

PROBLEM TO BE SOLVED: To provide a pump enabling firm fit of a mold stator and a pump part. SOLUTION: This pump 10 includes: a mold stator 50 forming a stator assembly 49 by molded resin and including a plurality of hole parts formed in an axial direction near an outer circumference; a prepared hole part 81 made of thermoplastic resin formed as one unit at a hole part; a casing 41 including a water suction port 42 and a delivery port 43; a pump part 40 formed by fitting a cup shape bulkhead part 90 including a flange part and a cup shape bulkhead part in which a shaft 70 is installed in a manner that the same can not rotate and which is provided with a rotor part 60a and an impeller 60b on the shaft 70, and including a plurality of screw holes near an outer circumference part; and a plurality of tapping screws 160. The pump part 40 and the mold stator 50 are fitted by fastening tapping screws 160 in the prepared hole parts 81 of the mold stator 50 through screw holes of the pump part 40. COPYRIGHT: (C)2011,JPO&INPIT