Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1990-04-12
1992-12-08
Smith, Jr., David
Electricity: motive power systems
Induction motor systems
Primary circuit control
318777, H02P 743
Patent
active
051701103
ABSTRACT:
An improved regulator mechanism for a single-phase or three-phase, two-speed motor is disclosed. The regulator mechanism includes a first energizable contactor (having at least one contact) and a second energizable contactor (having five contacts) which cooperate to cycle the motor between inoperative and operative states and to configure the motor windings and power lines so as to provide first and second speed operation.
REFERENCES:
patent: 4947098 (1990-08-01), Vlasak
Lennox Industries Inc.
Smith Jr. David
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