Essex Patented Engine

Essex Patented Engine

Usage conditions apply
Downloads
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
Object Name
engine, hot air
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
See more items in
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
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object