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US 2003/0106293 A1Published application
Filter element
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsSeiichi Tanaka, Kazutaka Yokoyama, Hiroto Koura, Tsumoru Okada, Shinsuke Mizuta
Life of this patent
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Abstract
A filter element is made of a first filtering member, and a second filtering member that is arranged on a downstream side of the first filtering member and is impregnated with an oil. The first filtering member consists of a downstream wet layer that is impregnated with the oil, which is transferred by contact to the second filtering member, and an upstream dry layer that is not impregnated with the oil. A density of the first filtering member may be set smaller than that of the second filtering member.
Claims7
A filter element comprising:
- a first filtering member;
- a second filtering member that is arranged on a downstream side of the first filtering member and is impregnated with an oil;
- wherein the first filtering member includes:
- an upstream dry layer that is not impregnated with the oil;
- a downstream wet layer that is impregnated with the:
- oil, which is transferred by contact to the second filtering member after assembling the first and second filter members.
3 more elements
Dependencies are inferred from the claim text.