Air dryer with pre-filter

Details Air dryer with pre-filter Air dryer with pre-filter

2007-04-17

2010-11-16

Greene, Jason M (Department: 1797)

Gas separation

Two or more separators

C055S385100, C055SDIG017, C096S134000, C096S135000, C210S338000, C303S085000

Reexamination Certificate

active

07833307

ABSTRACT:
A filter includes a housing having an air inlet, an air outlet, a first chamber and a second chamber concentric to and interior the first chamber. A coalescer is in the first chamber and a first filter is in the second chamber. A first inlet of the first chamber is interior the coalescer and connected to the air inlet and a first outlet of the first chamber being exterior the coalescer. A second inlet of the second chamber is interior the first filter and connected to the first outlet of the first chamber and a second outlet of the second chamber is exterior the first filter and connected to the air outlet. The filter includes a membrane separator in the housing connecting the second outlet of the second chamber and the air outlet. The filter may be mounted in a reservoir with the membrane separator extending into the reservoir.

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