Rotary pump with a plastic composite structure
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Feb 16, 2015
filing date -
Feb 27, 2014
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Abstract
A rotary pump including: a housing having an inlet and an outlet for a fluid, and a delivery chamber connected to the inlet and outlet; a delivery rotor rotatable in the delivery chamber about a rotational axis has a structure which is central in relation to the rotational axis; and a setting structure surrounding the delivery rotor and with the delivery rotor forms delivery cells, delivering the fluid from the inlet to the outlet, can be moved back and forth relative to the delivery rotor, in order to adjust a delivery volume of the rotary pump. At least one of the setting structure and/or the rotor structure is a material composite structure including a molded region made of plastic and a functional region which is fixedly connected to the molded region and made of a functional material which has a different chemical composition to the plastic of the molded region.
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