Otto and Crossley Gas Engine, Patent Model

Description
This model was submitted to the U.S. Patent Office with the application for the patent issued to Nicolaus A. Otto, of Deutz, Germany, and Francis W. and William J. Crossley, of Manchester, England, October 23, 1877, no. 196473.
The gas engine described is designed to effect a gradual combustion of the charge by the use of a weak mixture in the cylinder. In order that the mixture would not ignite too slowly a strong or explosive mixture was introduced into a separate but connecting chamber and ignited in the conventional way. The flame issuing with some force from the chamber into the cylinder effected a sufficiently rapid ignition of the weak charge.
The inventors also describe a means of raining the pressure on the cavity of the slide valve carrying the burning ignition charge in a flame ignition engine, high enough to equal the compression pressure within the cylinder of the engine.
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
1877
patent date
1877-10-23
inventor
Otto, Nicolaus A.
Crossley, Francis W.
Crossley, William J.
place made
United Kingdom: England
associated place
Deutschland: North Rhine-Westphalia, Deutz
Measurements
overall: 5 1/2 in x 12 in x 7 in; 13.97 cm x 30.48 cm x 17.78 cm
gas engine model, from cat. card: 7 in x 11 in; 17.78 cm x 27.94 cm
ID Number
MC.308695
catalog number
308695
accession number
89797
patent number
196,473
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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