Patent Model - Improvement in Hot-Air Engines
Maker and role
Hiram Kilbourn, Patentee
Nov 07 1865
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5 1/2 x 11 1/4 x 7 1/2" (14 x 28.6 x 19.1cm)
Kilbourn's invention relates to "certain improvements in caloric or hot-air engines; and it consists in a novel arrangement of slide-valves for the pump and driving-cylinder, whereby a perfectly balanced valve is obtained; and the invention further consists in a novel means for communicating a rotary motion to the shaft from which the power is taken from the reciprocating motion of the piston-rod of the driving-cylinder." (Patent Number 50,875)
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