Gas separation – Deflector – Fixed gas whirler or rotator means
Patent
1998-11-10
2000-09-05
Simmons, David A.
Gas separation
Deflector
Fixed gas whirler or rotator means
55472, 55476, 55DIG3, 96321, 96406, B01D 4512
Patent
active
061136638
ABSTRACT:
A vacuum cleaner having a dual filter assembly includes a filter cage, a primary filter disposed on the filter cage, and a secondary filter disposed downstream of the primary filter. A float valve between the primary filter and the secondary filter inhibits liquid from coming into contact with the secondary filter.
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Liu, U.S. Patent Application Serial No. 09/143,980, filed Aug. 31, 1998.
Pham Minh-Chau T.
Shop Vac Corporation
Simmons David A.
LandOfFree
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