Water draining structure for motors

Details Water draining structure for motors Water draining structure for motors

1993-11-01

1995-05-09

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, H02K 510, H02K 500

Patent

active

054143152

ABSTRACT:
A water draining structure for a built-in type motor to be integrally mounted on an automotive throttle body, having a mounting member including a housing of a driven device and having a confined chamber formed between itself and a motor mounted integrally thereon, and a water draining hole formed in its bottom for providing communication between the chamber and the atmosphere. The water draining structure consists of at least one water cutting rib disposed in close proximity to the water draining hole and projected outward from the shell of the mounting member. Water having splashed on the motor or the mounting member can be cut by the water cutting rib so that an excellent drainage can be always retained while keeping the water draining hole vented to the atmosphere. As a result, the motor can be prevented from having its function decreased even if it is used under a sever environmental condition, so that its durability can be effectively improved.

REFERENCES:
patent: 2514001 (1950-07-01), Knuth
patent: 4846537 (1989-07-01), Cohn et al.
patent: 5077503 (1991-12-01), Tamura et al.
patent: 5111497 (1992-05-01), Bliven et al.
patent: 5134541 (1992-07-01), Frouin

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