| 摘要 |
An adapter is disclosed for mounting an exhaust muffler onto a threaded exhaust port located at the external surface of an internal combustion engine. The adapter includes a hollow, cylindrical neck portion having screw threads formed on a first end thereof and circumferentially about the outer surface thereof, for threadably engaging the threaded exhaust port of the internal combustion engine. The adapter further includes a plate portion formed on a second end of the neck portion, having a central opening coincident with the hollow interior of the neck portion, with a first face proximate to the screw threads and a second face opposite to the first face. The adapter forms a seal between the external surface of the internal combustion engine and the first surface of the plate portion when the neck portion is operatively engaged with the exhaust port. The plate portion includes at least two threaded holes opening onto the second face, each hole for threadably engaging a corresponding threaded mounting bolt of an exhaust muffler which is to be mounted onto the second face of the plate so that an inlet port of the muffler is coincident with the central opening in the plate. In this manner, exhaust gases exiting from the exhaust port of the internal combustion engine can be conducted through the neck and plate portions of the adapter, into the exhaust muffler.
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