JPH0325815U

JPH0325815U -

Info

Publication number: JPH0325815U
Application number: JP8498689U
Authority: JP
Priority date: 1989-07-21
Filing date: 1989-07-21
Publication date: 1991-03-18

Description

[Brief explanation of drawings]

第１図は本考案によるエキゾーストマニホルド
の第１の実施例の平面図、第２図は本考案による
エキゾーストマニホルドの第１の実施例の側面図
、第３図は本考案によるエキゾーストマニホルド
の第２の実施例の平面図、第４図は本考案による
エキゾーストマニホルドの第３の実施例の平面図
、第５図は本考案及び従来技術によるエキゾース
トマニホルドを装着したエンジンの概念図、第６
図は従来技術によるエキゾーストマニホルドの平
面図である。図面中、１，２，３，４は排気ポート接続口、
５は排気管接続口、６はエキゾーストマニホルド
、７はエンジン、１１，１２，１３，１４は分岐
管部、１１ａ，１１ｂ，１１ｃ，１４ａ，１４ｂ
，１４ｃは熱変形吸収部である。 FIG. 1 is a plan view of a first embodiment of the exhaust manifold according to the present invention, FIG. 2 is a side view of the first embodiment of the exhaust manifold according to the present invention, and FIG. 3 is a second embodiment of the exhaust manifold according to the present invention. FIG. 4 is a plan view of a third embodiment of the exhaust manifold according to the present invention, FIG. 5 is a conceptual diagram of an engine equipped with the exhaust manifold according to the present invention and the prior art, and FIG.
The figure is a plan view of an exhaust manifold according to the prior art. In the drawing, 1, 2, 3, 4 are exhaust port connection ports,
5 is an exhaust pipe connection port, 6 is an exhaust manifold, 7 is an engine, 11, 12, 13, 14 are branch pipe parts, 11a, 11b, 11c, 14a, 14b
, 14c are thermal deformation absorbing parts.

Claims

[Scope of utility model registration request]

In an exhaust manifold having a plurality of branch pipe portions communicating with an exhaust port of a multi-cylinder engine and having different amounts of thermal deformation, a heat deformation absorbing portion is formed in the branch pipe portion on the side having a larger amount of thermal deformation. exhaust manifold.