Air cleaner
AssigneeToyota Boshoku Kabushiki Kaisha
InventorsRyusuke Kimura, Yoshinori Inuzuka
Life of this patent
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Abstract
An air cleaner has a first housing having an inlet and an upper opening, a second housing having an outlet and a lower opening, a filter element arranged between the upper opening of the first housing and the lower opening of the second housing. The first housing includes a looped wall, which protrudes from the inner surface thereof, and a sound absorbing member, which is made of an air permeable material and fixed to the upper end of the looped wall. The inner surface of the first housing, the inner peripheral surface of the looped wall, and the sound absorbing member define an air chamber.
Claims6
An air cleaner comprising:
- a first housing including an inlet and an opening;
- a second housing including an outlet and an opening;
- and
- a filter element arranged between the opening of the first housing and the opening of the second housing, wherein
- at least one of the first housing and the second housing includes a looped fixing rib, which protrudes from an inner surface thereof, and a sound absorbing member, which is made of an air permeable material and fixed to an upper end of the fixing rib,
- the inner surface of the at least one of the housings, an inner peripheral surface of the fixing rib, and the sound absorbing member define an air chamber, and
- an air permeability of a peripheral portion of the sound absorbing member is set to be lower than an air permeability of the sound absorbing member in a central portion.
Dependencies are inferred from the claim text.