HEATING SYSTEM AIR CONDUIT Russian patent published in 2004 - IPC

FIELD: transport engineering; vehicle interior microclimatic system. SUBSTANCE: proposed air conduit of heating system contains curves at angle branch pipe with round and multifaced flanges. Novelty is that ring flange is provided with two envelopes differing in area and conicity. Working section of outlet bend of branch pipe has straight-line lower base and curvilinear upper base. Four fixing projections are provided in inner part of outlet branch pipe for connection with window of heat distributing grille. Each projection is furnished with entry and fixing surfaces arranged at tilting. EFFECT: improved comfort in vehicle interior owing to optimization of shape of air conduits. 6 dwg