Multi-part housing of a heating or air-conditioning system in a

Details Multi-part housing of a heating or air-conditioning system in a Multi-part housing of a heating or air-conditioning system in a

1992-08-13

1993-10-26

Joyce, Harold

Ventilation

Vehicle

Having inlet airway

55473, 55502, B60H 306

Patent

active

052561046

ABSTRACT:
In the case of a multi-part housing of a heating or air-conditioning system, there is provided, in order to prevent the passage of an unfiltered portion of air conveyed by a fan, a space receiving the leakage air produced, which space is connected to the suction side of the fan. In order to obtain a modular unit which is economical in terms of installation space, each receiving air leakage is formed by the fact that a wall area of the suction housing is attached in one piece to a bottom part of the housing. The channel thus produced is covered by an outwardly pointing flange area of the suction housing top part, which forms, on the pressure side, connected to a bar separating, on the housing side, the pressure area from the suction area of the fan, the top part of the bottom part of the housing.

REFERENCES:
patent: 3470679 (1969-10-01), Ramsey
patent: 3828530 (1974-08-01), Peters
patent: 3880625 (1975-04-01), Shook
patent: 4371386 (1983-02-01), DeVecchi

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