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Cleaner

  • US 10,492,653 B2
  • Filed: 07/31/2018
  • Issued: 12/03/2019
  • Est. Priority Date: 03/31/2016
  • Status: Active Grant
First Claim
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1. A cleaner comprising:

  • a suction unit configured to guide air into the cleaner;

    a dust separation unit comprising;

    a first cyclone unit configured to separate dust from air that is suctioned into the cleaner through the suction unit; and

    a second cyclone unit configured to separate dust from air that is discharged from the first cyclone unit;

    a suction motor configured to drive a rotation of a rotary impeller via an impeller shaft to generate a suction force that suctions air into the cleaner through the suction unit;

    a motor housing that is configured to house the suction motor;

    a cleaner body that is configured to accommodate the motor housing, and that has a first opening that provides access to an interior of the cleaner;

    a pre-filter that is configured to be inserted into the cleaner body through the first opening, and that is configured to filter air that is discharged from the second cyclone unit and before the air enters the motor housing; and

    an exhaust filter unit that is configured to be coupled to the cleaner body to close the first opening of the cleaner body, and that is configured to filter air that is discharged from the suction motor, wherein in a state of being coupled to the cleaner body, the exhaust filter unit is configured to apply pressure to the pre-filter and maintain the pre-filter inserted in the cleaner body.

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