| 摘要 |
PROBLEM TO BE SOLVED: To provide mounting structure of an exhaust manifold to a rotary piston engine, keeping sealability or durability of a metal gasket. SOLUTION: The metal gasket 3 constituted of laminating six stainless steel thin plates 31 to 36 is interposed between an engine main body 1 and a flange 25 for installation to the engine of the exhaust manifold 2. Bead parts 31a to 36a of the thin plates 31 to 36 are positioned to a side face of an intermediate housing 13 having an exhaust port. An outer edge part 31b of the thin plate 31 on an engine main body 1 side is extended in a front rotor housing 12 direction to overlap with the front rotor housing 12 by a predetermined dimension. A recessed part 12b having a predetermined dimension is formed in a part of the housing where the thin plate 31 of the housing 12 overlaps with each other, so that the housing 12 does not press the extending part 31b even when the housing 12 projects. COPYRIGHT: (C)2004,JPO&NCIPI
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