Copy of Sickels' Patent Model of a Steam Engine Cut-Off Valve
date: label: date made
content: 1842
label: patent date
content: 1842-05-20
name: label: inventor
content: Sickels, Frederick E.
notes: label: Description
content: Frederick E. Sickels, a pioneer of early steam engine development, is known for his cut-off valve. This type of valve gear provides a means of rapidly cutting off the admission of steam to the cylinder of the engine at any point in the stroke of the piston. It was widely used on the engines of the side wheel steamboats up to the beginning of the 20th century and was the forerunner of the many subsequent designs of drop cut off valve gears.
label: Description
content: This model is a copy of the model that was filed with his application for patent. The Sickels valve gear is generally considered to be the first successful and practical drop cut off valve. The original patent model is also in the collections and can be found using its Catalog Number MC.308650.
place: label: place made
content: United States: Missouri
label: associated place
content: United States: New York, New York City
topic: label: Subject
content: Patent Models
label: Subject
content: Steam Engines
setName: label: See more items in
content: Work and Industry: Mechanical and Civil Engineering
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content: Engineering, Building, and Architecture
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content: Patent Models
label: Exhibition
content: Power Machinery
label: Exhibition Location
content: National Museum of American History
publisher: label: Related Publication
content: Frank A. Taylor. Catalog of the Mechanical Collections of the Division of Engineering United States National Museum, Bulletin 173
creditLine: label: Credit Line
content: Frederick Elsworth Sickels, Kansas City, Mo.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MC.180973
label: catalog number
content: 180973
label: accession number
content: 24427
label: patent number
content: 2,631
objectType: label: Object Name
content: engine, steam, valve gear, model
label: Object Name
content: patent model, valve gear, steam engine
label: Object Name
content: patent model copy, valve gear, steam engine