Patent ID: 11933255
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. 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.