Intake manifold
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTakuma Yamaguchi
Life of this patent
Estimating the term…
Abstract
A first piece forms a part of a surge tank. A second piece forms the surge tank together with the first piece. The first piece includes an introduction hole through which blow-by gas is introduced. The first piece includes a first flange fixed to the second piece. The second piece includes a second flange fixed to the first flange. A cover is located inside the surge tank. The cover defines, together with an inner surface of the surge tank, a gas passage extending from the introduction hole into the branch pipe. A part of the cover is sandwiched between the first flange and the second flange.
Claims2
An intake manifold, comprising:
- a surge tank that is a part of an intake passage;
- and branch pipes branched from the surge tank and respectively connected to intake ports of an internal combustion engine, wherein the intake manifold comprises:
- a first piece made of resin, forming a part of the surge tank;
- a second piece made of resin, forming the surge tank together with the first piece;
- and a cover made of resin and located inside the surge tank, the first piece includes:
- an inlet port through which intake air is introduced into the surge tank;
- an introduction hole through which blow-by gas is introduced;
- and a first flange fixed to the second piece, the second piece includes a second flange fixed to the first flange, the cover defines, together with an inner surface of the surge tank, a gas passage extending from the introduction hole into the branch pipe, a part of the cover is sandwiched between the first flange and the second flange, and wherein the cover is not bonded to the surge tank except for a portion sandwiched between the first flange and the second flange.
Dependencies are inferred from the claim text.