Gas separation – Two or more separators
Patent
1980-07-24
1982-02-09
Prunner, Kathleen J.
Gas separation
Two or more separators
55498, 55502, 55508, 55510, B01D 4652, B01D 5000
Patent
active
043148328
ABSTRACT:
An air cleaner including a support member (11) having an axis (15), an axial air flow connection (12), and mounting structure (26, 31) extending along the axis for applying compressive force toward said connection; a hollow outer filter cartridge (16) having ends (41) with flexible lips (43) extending radially inward with respect to the axis; a hollow inner filter cartridge (17) carried by the support member and having flat surfaces extending transversely with respect to the axis; and clamping apparatus (21-23) for cooperating with the mounting structure to secure the inner filter cartridge to the support member, the support member and the clamping apparatus having further flat surfaces (24, 44) opposed to the flat surfaces of the inner filter cartridge, for cooperating therewith to grip the lips of the outer filter cartridge so as to suspend the latter from the support member.
REFERENCES:
patent: 2959248 (1960-11-01), Thornburgh
patent: 3095290 (1963-06-01), Hockett
patent: 3226917 (1966-01-01), Donovan et al.
patent: 3290870 (1966-12-01), Jensen
patent: 3488928 (1970-01-01), Tarala
patent: 3672130 (1972-06-01), Sullivan et al.
patent: 3745753 (1973-07-01), Risse
patent: 3747303 (1973-07-01), Jordan
patent: 4007026 (1977-02-01), Groh
patent: 4128251 (1978-12-01), Gaither et al.
patent: 4135899 (1979-01-01), Gauer
patent: 4159197 (1979-06-01), Schuler et al.
Donaldson & Company, Inc.
Prunner Kathleen J.
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