TERMINAL HOLDING STRUCTURE OF DYNAMO-ELECTRIC MACHINE

PROBLEM TO BE SOLVED: To provide a terminal holding structure of a dynamo-electric machine in which not only excellent insulation properties can be ensured even when suffering the water, but also excellent durability can be ensured for pressure difference between the inside and outside.SOLUTION: In a terminal holding structure of a dynamo-electric machine 1 including first conduction terminals 60U, 60V, 60W held by a terminal holding member 70, and having one end side for connection with the conductor 14a of a stator 10 on the inside of the housing 30, and the other end side for connection with a 3-phase cable 50 on the outside of the housing 30, the terminal holding member 70 includes a cylindrical part 74 in which the end of the conductor 14a is housed, the cylindrical part 74 is open on one end side and a bottom 74b is formed on the other end side thereof, the first conduction terminals 60U, 60V, 60W penetrate the bottom 74b, and in a state where the first connection 18 of the conductor 14a is housed in the cylindrical part 74, the cylindrical part 74 is filled with a potting material P from the opening side, so as to cover the first connection 18.SELECTED DRAWING: Figure 4 【課題】被水時であっても良好な絶縁性を確保することができるだけでなく、ハウジング内外の気圧差に対する耐久性にも優れた回転電機の端子保持構造を提供する。【解決手段】端子保持部材７０に保持され、一端側がハウジング３０の内側でステータ１０の導線１４ａに接続されるとともに、他端側がハウジング３０の外側で３相ケーブル５０に接続される第１導通端子６０Ｕ、６０Ｖ、６０Ｗを備えた回転電機１の端子保持構造であって、端子保持部材７０は、導線１４ａの端部が収容される筒状部７４を備え、筒状部７４は、一端側が開口するとともに他端側に底部７４ｂが形成され、底部７４ｂを第１導通端子６０Ｕ、６０Ｖ、６０Ｗが貫通しており、導線１４ａの第１接続部１８が筒状部７４に収容された状態で、第１接続部１８を覆うように筒状部７４の開口側からポッティング材Ｐが充填される。【選択図】図４