Essex Patented Engine

Description (Brief)
Henry Essex of Buffalo, New York received patent number 723,660 in 1903 for this design of a caloric engine. The engine is a “hot air” or caloric engine, where heated air powers the piston before being cooled and returning to be heated, continuously producing work. The engine consists of a flywheel at one end with displacing rod, a heating element in the center with two piston inside, and cool air pockets on either side of the center.
Location
Currently not on view
date made
1903
Measurements
overall - from catalog card: 8 in x 18 1/2 in x 7 in; 20.32 cm x 46.99 cm x 17.78 cm
flywheel - from catalog card: 6 in; x 15.24 cm
overall: 8 1/4 in x 7 in x 19 in; 20.955 cm x 17.78 cm x 48.26 cm
ID Number
MC*329058
catalog number
329058
accession number
278175
Credit Line
Bequest of the Estate of Greville I. Bathe
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Work and Industry: Mechanical and Civil Engineering
Engineering Steam Toys and Models
Engineering, Building, and Architecture
Family & Social Life
Data Source
National Museum of American History, Kenneth E. Behring Center

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