Fitts Governor Valve, Patent Model

Description
This model was submitted to the U.S. Patent Office with the application for the patent issued to Benaiah Fitts, of Worcester, Massachusetts, August 9, 1859, no. 25005.
The model represents a globular valve in which a conical rotor uncovers a port in a conical seat. It operates without a stuffing box and is designed so that the pressure of steam on the rotor is balanced, reducing friction to a minimum.
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
governor valve, model
patent model, valve, governor
date made
1859
patent date
1859-08-09
inventor
Fitts, Benaiah
Physical Description
brass (overall material)
Measurements
overall: 7 1/4 in x 7 in x 5 in; 18.4531 cm x 17.78 cm x 12.7 cm
place made
United States: Massachusetts, Worcester
associated place
United States: Massachusetts, Worcester
ID Number
ER*308662
accession number
89797
catalog number
308662
patent number
25,005
subject
Engineering, Building, and Architecture
Work
Industry & Manufacturing
Bulletin 173
See more items in
Work and Industry: Mechanical and Civil Engineering
Bulletin 173
Data Source
National Museum of American History, Kenneth E. Behring Center
Related Publication
Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173

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