Starting device for an asynchronous motor

Details Starting device for an asynchronous motor Starting device for an asynchronous motor

1977-05-18

1978-10-03

Hohauser, Herman J.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361383, H05K 720

Patent

active

041187539

ABSTRACT:
The invention relates to a starting device for an asynchronous motor in which device a capacitor and a PTC resistor form a series circuit. A housing has three chambers formed by two interior walls and a cover. The capacitor is in one end chamber, the PTC resistor in the middle chamber, and the lead ends which are connectable to a motor winding in the other end chamber. The PTC resistor is subject to heating and the housing has vent holes for ventilating the middle resistor chamber.

REFERENCES:
patent: 3323020 (1967-05-01), Lenart et al.
patent: 3462553 (1969-08-01), Spranger
patent: 3475657 (1969-10-01), Knowles
patent: 3940665 (1974-07-01), Seki

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