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Filter assemblies and systems for intake air for fuel cells

  • US 20020157359A1
  • Filed: 04/10/2002
  • Published: 10/31/2002
  • Est. Priority Date: 04/11/2001
  • Status: Active Grant
First Claim
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1. An air moving assembly comprising:

  • (a) a first filter assembly comprising;

    (i) a first housing having an inlet and an outlet, the inlet configured to receive dirty air into the first filter assembly, and the outlet configured to deliver clean air from the first filter assembly;

    (ii) a first filter element within the housing, the filter element comprising a particulate filter portion constructed and arranged to remove particulate contaminants from the dirty air; and

    (iii) a chemical filter portion arranged to remove chemical contaminants from the dirty air;

    (b) air moving equipment having an inlet and an outlet and operable to move air from its inlet to its outlet, the inlet of the air moving equipment being connected to receive air from the outlet of the first filter assembly; and

    (c) a second filter assembly comprising;

    (i) a second housing having an inlet and an outlet, the inlet connected to receive air into the second filter assembly from the outlet of the air moving equipment, and the outlet of the second filter assembly configured to deliver clean air from the second filter assembly; and

    (ii) a second filter element within the second housing, the second filter element comprising a particulate filter portion constructed and arranged to remove particulate contaminants from the air from the air moving equipment.

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