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
date made
1859
patent date
1859-08-09
inventor
Fitts, Benaiah
place made
United States: Massachusetts, Worcester
associated place
United States: Massachusetts, Worcester
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
ID Number
ER.308662
accession number
89797
catalog number
308662
patent number
25,005
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

Comments

Add a comment about this object