Air intake filter for an internal combustion engine

Details Air intake filter for an internal combustion engine Air intake filter for an internal combustion engine

1990-02-23

1991-07-09

Woo, Jay H.

Gas separation

With separate flow line access means or filter media passage...

Unit transversely slidable through flow path

55502, B01D 4600

Patent

active

050302647

ABSTRACT:
An air intake filter for internal combustion engines has a flat, replaceable filter insert through which air passes transversely in operation, and which can be inserted from one side into a filter housing. The filter insert has a gasket arranged on its periphery for sealing an end face of the filter insert against a lip on the filter housing. Sealing pressure is exerted by ledges on lateral portions of the filter housing which slant toward the filter insert in the direction of insertion. To prevent the gasket from being displaced laterally with respect to the lip on the filter housing when the sealing pressure is applied, the filter insert is received in a substantially open-faced frame. The frame has a closure member which is provided with abutments which engage on one side against the slanting ledges of the lateral portions of the filter housing and engage on the other side against the frame, and which can be pushed in the direction of insertion of the filter insert to a lockable closed position in which it exerts a sealing pressure on the filter gasket.

REFERENCES:
patent: 3712033 (1973-01-01), Gronholz
patent: 3778985 (1973-12-01), Daigle et al.
patent: 3815754 (1974-06-01), Rosenberg
patent: 4438057 (1984-03-01), Sundseth
patent: 4925469 (1990-05-01), Clement et al.

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