Fiske Oscillating Engine, Patent Model

Description
This model was submitted to the U.S. Patent Office with the application for the patent issued to William S. Friske, of Stamford, Connecticut, August 24, 1880, no. 231551.
The model represents a vertical steam engine with an oscillating cylinder, circular slide valve, and hollow cylinder trunnions for the admission and exhaust of steam. Steam is admitted to the center of the annular valve through the adjacent trunnion. The exhaust is conveyed from the valve seat around the cylinder in a hollow band cast on the cylinder for that purpose and leaves the engine through the opposite trunnion. The valve is driven by an eccentric on the shaft. The valve rod is provided with a cross head moving in a guide on the cylinder and oscillating with it. The eccentric rod carries a pin that slides in a curved slot in the cross head and produces an even motion of the valve thereby.
Reference:
This description comes from the 1939 Catalog of the Mechanical Collections of the Division of Engineering United States Museum Bulletin 173 by Frank A. Taylor.
Location
Currently not on view
Object Name
engine, steam, oscillating, model
patent model, engine, steam
date made
1880
patent date
1880-08-24
inventor
Fiske, William S.
Physical Description
brass (overall material)
Measurements
engine - from catalog model: 6 in; 15.24 cm
overall: 6 1/2 in x 5 1/4 in x 3 in; 16.51 cm x 13.335 cm x 7.62 cm
place made
United States: Connecticut
associated place
United States: Connecticut, Stamford
ID Number
MC*308712
catalog number
308712
accession number
89797
patent number
231,551
See more items in
Work and Industry: Mechanical and Civil Engineering
Work
Industry & Manufacturing
Bulletin 173
Engineering, Building, and Architecture
Data Source
National Museum of American History, Kenneth E. Behring Center

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