Dynamoelectric converter and medical or dental device having a dynamoelectric converter
AssigneeW&H Dentalwerk Bürmoos GmbH
InventorsManfred Hofbauer, Karl Schmiedlechner, Walter Schuh, Thomas Schmitzberger
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Abstract
Fluid-operated dynamoelectric converters for medical or dental devices are described. The dynamoelectric converters have: a fluid line which is designed in one piece with an outer sleeve of the dynamoelectric converter and protrudes at its end which faces away from the dynamoelectric converter beyond a connecting end of the medical or dental device; a fluid-operated impeller which is designed in one piece with a rotor sleeve receiving the magnetic element; a one-piece, sleeve-shaped magnetic return element which surrounds the rotor and the electric winding of the stator and has a magnetically conductive material.
Claims20
A medical or dental device which has a supply side connecting end that can be releasably connected to a fluid source and a fluid-operated dynamoelectric converter, wherein the fluid-operated dynamoelectric converter comprises:
- a rotor having an impeller that can be put into rotation by a fluid and at least one magnetic element which is connected to the impeller, so that the magnetic element can be put into rotation by the rotatable impeller,
- a stator having an electric winding which cooperates with the rotatable magnetic element, so that electricity can be generated in the electric winding,
- a sleeve, which surrounds at least parts of the rotor and/or of the stator, and
- a fluid line which is formed as one piece with the sleeve and comprises an end, wherein at least the end of the fluid line protrudes beyond the supply side connecting end of the medical or dental device.
A fluid-operated dynamoelectric converter, comprising:
- a rotor having an impeller that is rotatable by a fluid, the impeller having a plurality of blades and at least one magnetic element connected to the impeller and rotatable with the rotatable impeller,
- a rotor sleeve in which the at least one magnetic element of the rotor is disposed, and
- a stator with an electric winding which cooperates with the rotatable magnetic element so that electricity can be generated in the electric winding, wherein
- at least the blades of the impeller are formed as one piece with the rotor sleeve to rotate the rotor sleeve and the at least one magnetic element of the rotor disposed in the rotor sleeve.
A fluid-operated dynamoelectric converter, comprising:
- a rotor having an impeller rotatable by a fluid and at least one magnetic element which is connected to the impeller so that the magnetic element is rotatable with the rotatable impeller,
- a stator having an electric winding which cooperates with the rotatable magnetic element, so that electricity can be generated in the electric winding, and a magnetic yoke element for concentrating and guiding the magnetic field lines of the at least one magnetic element through the electric winding, wherein
- the magnetic yoke element comprises a one-piece, sleeve-shaped magnetic yoke element which surrounds the rotor and the electric winding and comprises a magnetically conductive material.
Dependencies are inferred from the claim text.