Gas separation: apparatus – Solid sorbent apparatus – Plural diverse separating means
Reexamination Certificate
2005-12-09
2009-12-01
Smith, Duane (Department: 1797)
Gas separation: apparatus
Solid sorbent apparatus
Plural diverse separating means
C055S309000, C055S312000, C055S313000, C055S314000, C055SDIG017, C096S147000
Reexamination Certificate
active
07625437
ABSTRACT:
A cartridge of an air dryer serves for cleaning compressed air to be used in compressed air supply systems of motor vehicles, especially trucks. The cartridge includes a housing, a pre-filter, a deposit chamber, a coalescing filter, a bypass conduit and a check valve. The deposit chamber is located downstream of the pre-filter. The deposit chamber is filled with a treating substance. The coalescing filter is arranged between the pre-filter and the deposit chamber. The bypass conduit is designed and arranged to bypass the coalescing filter and not to bypass the pre-filter. The check valve is arranged in the bypass conduit in a way that it opens during regeneration of the cartridge.
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European Search Report; Mar. 6, 2006; 3 pages.
Haldex Brake Products GmbH
Pham Minh-Chau T
Smith Duane
St. Onge Steward Johnston & Reens LLC
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