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US 6,306,190 B1Granted
Secondary air supply device
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsYuichiro Tsuruta, Nobuhiro Kasai, Masayoshi Kobayashi
Life of this patent
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Abstract
An air cleaning system for an engine includes a main air cleaner for supplying cleaned air to an intake system of the engine and a sub-air cleaner for supplying cleaned air to an exhaust system of the engine. The main air cleaner includes a main air cleaner housing divided into a dirty air chamber and a clean air chamber by a first air cleaning element. The sub-air cleaner is disposed in the dirty air chamber, and has its own second air cleaning element, physically separated from the first air cleaning element.
Claims16
An air cleaner for an engine comprising:
- a main air cleaner housing;
- a first air cleaning element disposed within said main air cleaner housing, dividing said main air cleaner housing into a dirty air chamber and a clean air chamber;
- an intake port formed in said main air cleaner housing communicating with said dirty air chamber;
- an outtake port formed in said main air cleaner housing communicating with said clean air chamber for supplying cleaned air to an intake system of the engine;
- and
- a sub-air cleaner provided in said dirty air chamber, said sub-air cleaner including a second air cleaning element physically separated from said first air cleaning element for supplying cleaned air to an exhaust system of the engine, wherein said first air cleaning element has a cylindrical filtering element with a first end and a second end, and wherein said second air cleaning element is disposed adjacent to said first end.
3 more elements
A vehicle comprising:
- an engine having an intake system and an exhaust system;
- a main air cleaner for supplying cleaned air to said intake system, said main air cleaner including:
- a main air cleaner housing;
- a first air cleaning element disposed within said main air cleaner housing, dividing said main air cleaner housing into a dirty air chamber and a clean air chamber;
- an intake port formed in said main air cleaner housing communicating with said dirty air chamber;
- and
- an outtake port formed in said main air cleaner housing communicating with said clean air chamber supplying cleaned air to said intake system of said engine;
- and
- a sub-air cleaner provided in said dirty air chamber, said sub-air cleaner including a second air cleaning element physically separated from said first air cleaning element for supplying cleaned air to an exhaust system of the engine, wherein said first air cleaning element has a cylindrical filtering element with a first end and a second end, and wherein said second air cleaning element is disposed adjacent to said first end.
6 more elements
Dependencies are inferred from the claim text.