Gas separation: processes – Filtering – With cleaning of filter
Reexamination Certificate
2007-07-10
2007-07-10
Smith, Duane (Department: 1724)
Gas separation: processes
Filtering
With cleaning of filter
C055S282000, C422S178000, C134S022100
Reexamination Certificate
active
10311204
ABSTRACT:
The invention concerns a method which consists in using a single-piece casing (1), without break; then for a first cleaning process, in cutting the casing (1) between the zone (4) containing the filter and the zone (6) containing the other element; then in cleaning the part containing the particle filter; and in assembling once more the two parts, so that the global dimensions of the casing (1) are substantially unchanged.
REFERENCES:
patent: 4548625 (1985-10-01), Ishida et al.
patent: 5087272 (1992-02-01), Nixdorf
patent: 6427436 (2002-08-01), Allansson et al.
patent: 6632406 (2003-10-01), Michelin et al.
patent: 689 687 (1999-08-01), None
patent: WO 92/18226 (1992-10-01), None
Clemente Robert
Faurecia Systems d'Echappement
Smith Duane
Young & Thompson
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