Motor provided with a bottom run-off hole and a run-off channel

Electrical generator or motor structure – Dynamoelectric – Rotary

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310 42, 310 89, H02K 510

Patent

active

052686060

ABSTRACT:
A motor casing is provided which guarantees reliable run-off of condensation water from the inside of the casing to its outside, and which reliably prevents drop water from penetrating from the outside into the inside of the motor casing with a simple device. The motor includes a tab which is punched and bent from the casing pot base using a die provided for deep-drawing of the pot-shaped motor casing such that a run-off hole proceeding from the bottom edge of the motor casing upwards, with a drip-off tongue angled away downwards is obtained.

REFERENCES:
patent: 4727274 (1988-02-01), Adam et al.
patent: 4808871 (1989-02-01), Morishita
patent: 4900957 (1990-02-01), Barker
patent: 4945270 (1990-07-01), Okamoto
patent: 4953414 (1990-09-01), Ueno
patent: 5006742 (1991-04-01), Strobl
patent: 5045736 (1991-09-01), Amano
Patent Abstracts of Japan, vol. 11, No. 11, 13 Jan. 1987 & JP-A-61 185 037 (Hitachi Ltd.) 18 Aug. 1986.

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