Air cleaner; replaceable filter cartridges; and, methods

Details Air cleaner; replaceable filter cartridges; and, methods Air cleaner; replaceable filter cartridges; and, methods

2006-07-04

2006-07-04

Lawrence, Frank M. (Department: 1724)

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

C055S502000, C055S503000, C055S521000

Reexamination Certificate

active

07070642

ABSTRACT:
The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.

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