COMPRESSOR IMPELLER MADE FROM COMPOSITE MATERIAL WITH EROSION-RESISTANT COATING (VERSIONS) AND PRODUCTION METHOD THEREOF Russian patent published in 2017 - IPC B29C39/00 B29C33/52

Abstract RU 2611521 C2

FIELD: manufacturing technology.

SUBSTANCE: invention relates to production of an impeller from a composite material and to the impeller. Technical result is enabled by a method of producing an impeller from a composite material with cavities for the flow passage having an erosion-resistant coating. Method includes providing templates having a shape corresponding to negative geometry of the cavities for the flow passage. Coating the templates with an erosion-resistant layer. Molding a composite material around the templates coated with the erosion-resistant layer in accordance with a preset geometry of the impeller. Hardening the composite material. And removal of the templates in such a way, that in the cavities for the flow passage in the impeller from the composite material the erosion-resistant coating remains.

EFFECT: technical result is better erosion resistance of the impeller.

20 cl, 7 dwg

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RU 2 611 521 C2

Authors

Giovannetti Lacopo

Massini Andrea

Dates

2017-02-27—Published

2012-06-20—Filed