Surface cleaning apparatus

  • US 10,219,660 B2
  • Filed: 03/30/2016
  • Issued: 03/05/2019
  • Est. Priority Date: 12/17/2014
  • Status: Active Grant
First Claim
Patent Images

1. A hand vacuum cleaner having a front end having a dirty air inlet, a clean air outlet, an upper end and a bottom, the hand vacuum cleaner comprising:

  • (a) a main body, which in an in-use orientation has an upper end, a lower end, a front end and a rear end, the main body housing a suction motor and fan assembly, the suction motor and fan assembly having a suction motor axis of rotation; and

    ,(b) a cyclone unit comprising a cyclone having a cyclone axis of rotation, a front end, a cyclone air inlet at the front end of the cyclone, a rear end axially spaced apart from the front end of the cyclone, a sidewall extending axially between the front end of the cyclone and the rear end of the cyclone, a cyclone air outlet and a dirt outlet, wherein the cyclone axis is positioned at a middle of the cyclone between an upper end and a lower end of the cyclone, wherein when the main body is in the in-use orientation, the dirt outlet is provided only at a location below the middle of the cyclone and towards the rear end of the sidewall, wherein air enters the cyclone at the front end of the cyclone and the dirt outlet is in a lower portion of the cyclone; and

    ,(c) a dirt collection chamber, wherein the entire dirt collection chamber is exterior to the cyclone chamber and is only below the middle of the cyclone chamber when the main body is in the in-use orientation;

    wherein when the hand vacuum cleaner is positioned with the bottom on a horizontal surface, the cyclone axis of rotation is generally horizontal.

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