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US Patent: 335,571
Engine Valve
Patentee:
James Ferguson (exact or similar names) - Bridgewater, Plymouth County, MA

USPTO Classifications:
91/466

Tool Categories:
propulsion and energy : internal combustion engines : internal combustion engine valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 14, 1885
Granted: Feb. 09, 1886

Patent Pictures:
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Description:
Abstract:

My improvement relates to valves for engines and it consists in certain novel combinations and arrangements in relation thereto.

Claim:

The combination of the steam-engine cylinder E, provided with steam-ports e' e', the valve-cylinder G, provided with a longitudinal bore having unobstructed passages o o formed within it, each of which expands transversely outward from its shallowest part on one side of the bore around the same and leads into the steam-port e' on the other side, and the balanced valve V, formed with a connecting-stem, v', and two heads, v v, of the length to cover said passages and uncover the same simultaneously by its reciprocation.

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