MULTISTAGE CYCLONE AND SURFACE CLEANING APPARATUS HAVING SAME

  • US 20180177355A1
  • Filed: 12/27/2016
  • Published: 06/28/2018
  • Est. Priority Date: 12/27/2016
  • Status: Active Grant
First Claim
Patent Images

1. A hand vacuum cleaner having, the hand vacuum cleaner comprising:

  • (a) an air flow path extending from a dirty air inlet to a clean air outlet and including an inlet conduit;

    (b) a first stage cyclone having a first stage cyclone chamber and a first stage dirt collection region;

    (c) a second stage cyclone downstream from the first stage cyclone and at least partially nested in the first stage cyclone, the second stage cyclone having a second stage cyclone chamber and a second stage dirt collection region; and

    ,(d) an openable front end moveable between a closed position and an open position wherein, when the openable front end is in the open position, the first stage cyclone, the second stage cyclone and the inlet conduit are opened.

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