Power transmission tool and system

Details Power transmission tool and system Power transmission tool and system

2011-08-02

2011-08-02

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S088000, C310S052000, C310S058000, C318S400120, C451S359000

Reexamination Certificate

active

07990005

ABSTRACT:
An improved power tool system includes a power tool and an external power supply connected via a cable to provide utility and safety in a hazardous operation such as loading ammunition into a weapon in an environment of flammable materials and extreme environmental exposure. The power tool includes a sparkless motor, a sparkless controller and sparkless switches, in a sealed enclosure with improved heat transfer means. The power tool has improved torque controlling means to mitigate reaction torque to the operator and equipment when starting or stopping highly inertial loads. A sealed enclosure is provided to prevent liquids from entering the motor and controller cavity and includes a thermally conductive path to conduct heat from the motor and controller through the enclosure to cooling fins and a coolant path formed between the fins and an entrapment wall.

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Machine Translation of DE3710048, Sine, Jun. 16, 1988, Rohrgehause fur einen Elektromotor.
Machine translation of JP0965596, Ishimoto et al., Mar. 7, 1997, Motor with inverter.

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