Motor vehicle heating/air conditioning system

Details Motor vehicle heating/air conditioning system Motor vehicle heating/air conditioning system

1991-12-20

1993-06-22

Nilson, Robert G.

Ventilation

Vehicle

Having inlet airway

B60H 306

Patent

active

052212319

ABSTRACT:
A motor vehicle heating/air-conditioning system of a motor vehicle has a water-removal device arranged in the fresh-air inlet duct, rising from the duct base and comprising a coarse-mesh lattice and a fine-mesh lattice resting against the latter. The water removed is carried away downwardly on the webs of the coarse-mesh lattice to the duct base which forms a water collection point with water drainage. In order to combine a favorable water-removal function with a good air-guidance function, the coarse-mesh lattice facing the incident air represents an air guide with predetermined throughflow and is pleated in a corrugated shape. A channel spanned by the fine-mesh lattice arranged in at least some areas is in each case formed between two upwardly-directed corrugation troughs. The water-removal device is placed in the region of a duct widening provided by a set-back wall portion, such that the water-removal device ends at a distance from the set-back wall portion.

REFERENCES:
patent: 2975696 (1961-03-01), Jewell
patent: 3157104 (1964-11-01), Nallinger
patent: 4819550 (1989-04-01), Ioka

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