Stator for a fluid machine, fluid machine comprising such a stator, and method of manufacturing such a stator

By producing stator components in a single piece via additive manufacturing with integrated reinforcements, the method addresses precision and assembly challenges, reducing costs and leakage risks in fluid machine stators.

FR3169506A3Pending Publication Date: 2026-06-12LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Utility models
Current Assignee / Owner
LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
Filing Date
2024-12-06
Publication Date
2026-06-12

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Abstract

A stator (1) for a fluid-driven machine (100) comprising: - a volute (11) defined around a principal axis (X) of the stator (1) and delimited by a lateral wall, - a conduit (12) connected to the volute (11) and extending along the principal axis (X), the conduit (12) and the volute (11) defining a fluid flow circuit (5) between an inlet section (3) and an outlet section (4), - an assembly (13) of blade(s) arranged in the circuit (5), characterized in that the volute (11), the conduit (12) and the assembly (13) of blade(s) are made in a single piece by an additive manufacturing process (200), and in that the volute (11) delimits a volume (5a) intended for the passage of the fluid and housing an assembly (15) of reinforcement(s) extending between two opposing backgrounds (111, 115) of the volute (11). Abbreviated figure: Fig. 6
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