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BLEED AIR VALVE OF A SURFACE CLEANING APPARATUS

  • US 20110219575A1
  • Filed: 03/02/2011
  • Published: 09/15/2011
  • Est. Priority Date: 03/12/2010
  • Status: Active Grant
First Claim
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1. A surface cleaning apparatus comprising:

  • (a) an air flow passage extending from a dirty air inlet to a clean air outlet;

    (b) a cyclone comprising a cyclone air outlet and positioned in the air flow passage downstream of the dirty air inlet;

    (c) a suction motor provided in the air flow passage downstream of the cyclone;

    (d) a pre-motor filter upstream of the suction motor and downstream of the cyclone, the pre-motor filter having an upstream side and a downstream side; and

    ,(e) a bleed valve having an air inlet and an air outlet, the air outlet positioned between the suction motor and the downstream side of the pre-motor filter and facing the downstream side of the pre-motor filter.

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