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EP0260175A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Profiled propeller blade and its use in motor-driven fans

Assignee: ECIA Equipements et Composants pour lIndustrie Automobile SA
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Filing: 1987-08-12
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Granted: —
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Expires: 2007-08-12
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Abstract

Abstract Translated from French La pale profilée suivant l'invention présente un axe ( ) lieu des centres de poussée (C) de ses sections droites parallèlement à son pied (13) qui présente un point de raccordement (I) séparant un arc abyssal (γ1) dont la concavité est tournée vers le bord d'attaque (II) d'un arc sommital (γ2) dont la concavité est tournée vers le bord de fuite (12). Application à la construction d'hélice de motoventilateurs notamment à usage automobile. The profiled blade according to the invention has an axis () instead of the centers of thrust (C) of its straight sections parallel to its foot (13) which has a connection point (I) separating an abyssal arc (γ1) whose concavity is turned towards the leading edge (II) of a summit arc (γ2) whose concavity is turned towards the trailing edge (12). Application to the construction of propellers of motorized fans in particular for automobile use.

Inventors

  • 👤 Jean-Claude Vera

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 06:55
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/38; F04D29/384; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S416/00; Y10S416/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2095162A Cited
DE1903642A1 Cited
FR2459387A1 Cited
GB2151310A Cited
US4569631A Cited

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