Air filter assembly for heating or air-conditioning system

Details Air filter assembly for heating or air-conditioning system Air filter assembly for heating or air-conditioning system

1993-02-26

1994-11-01

Warden, Robert J.

Gas separation

Separating media adjustable to various positions of use or...

55506, 55507, 55511, 55DIG5, 454158, 403381, B60H 306

Patent

active

053604636

ABSTRACT:
A heating or air-conditioning system for the interior of a motor vehicle, is provided which has an exchangeable air filter comprising two mutually adjoining filter sections, surrounded peripherally by a holding frame. For the insertion of the filter, the first filter section is initially fed in through an assigned opening and is then displaced sidewards into its working position and the second filter section is only then inserted. Two identical filter sections are used to increase the sealing effect, the mutually adjoining longitudinal sides of which, upon the second filter section being fed in, are connected by means of a tongue-and-groove joint, extending along the top of said longitudinal sides or alternately over half their length, into a mutually adjacent position. Guide devices ensure that the filter sections slide onto the holding frame.

REFERENCES:
patent: 1540788 (1925-06-01), McClure
patent: 3591212 (1971-07-01), Rhyne
patent: 3755995 (1973-09-01), Stickel
patent: 4173287 (1979-11-01), Kumakawa
patent: 4519823 (1985-05-01), Kinney, Jr. et al.
patent: 4564732 (1986-01-01), Lancaster et al.
patent: 4737174 (1988-04-01), Pontius
patent: 4801316 (1989-01-01), Schroeder
patent: 5042615 (1991-08-01), Anderson
patent: 5062353 (1991-11-01), Arold et al.
patent: 5114265 (1992-05-01), Grisley
patent: 5203639 (1993-04-01), Fimrite

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