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US 5,073,736 AGranted
Brushless pump motor with built-in electronic control
AssigneeFlux-Gerate Gesellschaft mit beschrankter Haftung
InventorsAlois Gschwender, Detlef Walther, Horst Kruger, Rudiger Pawlischta
Life of this patent
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Abstract
A motor for a pump, especially a pump for a drum, barrel, or other tanks or containers. The motor has a housing in which a rotor is surrounded by a stator. The motor is an electronically commutated direct current motor that has no brushes. The switch or control device of the motor is an electronic switch or control device that is accommodated in the housing.
Claims19
In a motor for a pump including:
- a housing in which a rotor, via its rotor shaft, is rotatably mounted;
- a stator disposed in said housing and surrounding said rotor;
- and a power supply line that is connected to a switch or control device, the improvement wherein:
- said motor is an electronically connected direct current motor that has no brushes;
- said switch or control device is an electronic switch or control device that is accommodated in said housing;
- said direct current motor is provided with means to recognize the position of said rotor;
- said recognition means includes at least one magnet ring that is fixedly connected to said rotor shaft, and sensors, that are associated with said magnet ring;
- and
- said magnet ring is part of a carrier member that is embodied as an auxiliary fan means and is fixedly seated on said rotor shaft.
6 more elements
Dependencies are inferred from the claim text.