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1. (WO2018051015) AIR INLET HOUSING AND CORRESPONDING MOTOR VEHICLE HEATING, VENTILATION AND/OR AIR-CONDITIONING INSTALLATION

Pub. No.:    WO/2018/051015    International Application No.:    PCT/FR2017/052438
Publication Date: Fri Mar 23 00:59:59 CET 2018 International Filing Date: Thu Sep 14 01:59:59 CEST 2017
IPC: F04D 29/42
F04D 29/44
F04D 25/08
F04D 29/28
Applicants: VALEO SYSTEMES THERMIQUES
Inventors: MATHARAN, Thibaud
CHERIAUX, Olivier
BROSSERON, Laurent
NAJI, Saïd
DUCAU, Didier
BEDE, Sophie
Title: AIR INLET HOUSING AND CORRESPONDING MOTOR VEHICLE HEATING, VENTILATION AND/OR AIR-CONDITIONING INSTALLATION
Abstract:
The invention relates to an air inlet housing (1), notably for a motor vehicle heating, ventilation and/or air-conditioning installation, comprising: – at least one air inlet, – at least one air outlet (21), and – a volute (17): ·configured to accept an impeller of a motorised fan unit, the said impeller being configured to draw in a stream of air coming from an air inlet, and ·having a contour beginning with a volute nose (19) and evolving as far as the air outlet (21). According to the invention, – the air inlet housing (1) further comprises at least one deflector (29) extending from the volute nose (19) in the continuation of a wall (18) of the volute (17), and – the deflector (29) has a tapering shape. The invention also relates to a heating, ventilation and/or air-conditioning installation comprising such an air inlet housing (1).