US Patent: 582,485 - Exhaust-muffler for engines


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US Patent: 582,485

Exhaust-muffler for engines

Patentees:

Marshal T. Reeves (exact or similar names) - Columbus, IN

Milton O. Reeves (exact or similar names) - Columbus, IN

USPTO Classifications:

181/267

Tool Categories:

propulsion and energy : internal combustion engines : exhaust mechanisms

Assignees:

Reeves Pulley Co. - Columbus, IN

Manufacturer:

Reeves Pulley Co. - Columbus, IN

Witnesses:

John Jewell

Ernest K. Hood

Patent Dates:
Applied:	Jan. 11, 1897
Granted:	May 11, 1897

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Reeves Pulley Co.

Description:

This patent is considered to be the first modern exhaust muffler for internal combustion engines. Earlier engines either vented exhaust directly from the cylinders, or through a muffler containing some baffles. The Reeves muffler design used series of concentric shells, each vented to the next with a longitudinal row of small holes. A partition halfway along each shell divides each shell into two cylindrical compartments, The numerous compartments are interconnected in such a manner that the exhaust gas exits the final compartment and then the tailpipe only after passing consecutively through every other compartment.