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US 10,267,273 B2Granted
Variable intake system
AssigneeHyundai Motor Company
InventorsSang Kyu Kang, Gue Hyun Jung, Teok Hyeong Cho, Woo Tae Kim, Youn Soo Im, Kwang Min Won, Seong Hyuk Kang
Life of this patent
Estimating the term…
Abstract
A variable intake system includes a pair of surge tanks connected in a communicating manner to a main intake pipe through a low speed communication pipe and a high speed communication pipe, a middle speed communication pipe for connecting the pair of surge tanks, and a noise reducing member integrally provided at the middle speed communication pipe to reduce noise.
Claims10
A variable intake system comprising:
- a pair of surge tanks connected in a communicating manner to a main intake pipe through a low speed communication pipe and a high speed communication pipe;
- a middle speed communication pipe for connecting the pair of surge tanks;
- and a noise reducing member integrally provided at the middle speed communication pipe to reduce noise,
- wherein the noise reducing member includes an extending pipe extending from at least one end portion of the middle speed communication pipe and connected to the main intake pipe and a selective communication member configured to operate to enable the middle speed communication pipe to selectively communicate with any one of the extending pipe and the main intake pipe.
1 more element
A variable intake system comprising:
- a main intake pipe to intake air;
- first and second surge tanks connected to the main intake pipe in a communicating manner;
- a high speed communication pipe for connecting the first and second surge tanks and the main intake pipe and having a high speed valve installed to be opened and closed;
- a low speed communication pipe connecting the first and second surge tanks and the main intake pipe and formed to be longer than the high speed communication pipe;
- a middle speed communication pipe having a first end portion connected to the first surge tank and a second end portion connected to the second surge tank and having at least one middle speed valve installed to be opened and closed;
- and
- an extending pipe extending from the first end portion of the middle speed communication pipe and connected to the main intake pipe,
- wherein the first surge tank and one end of the extending pipe are connected in a communicating manner to the first end portion of the middle speed communication pipe, a first middle speed valve is installed at the first end portion of the middle speed communication pipe, and the first end portion of the middle speed communication pipe selectively communicates with the extending pipe or the first surge tank according to a switching operation of the first middle speed valve.
5 more elements
Dependencies are inferred from the claim text.