US Patent: 39,313 - Improvement in the Giffard injector


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US Patent: 39,313

Improvement in the Giffard injector

Patentee:

William Sellers (exact or similar names) - Philadelphia, PA

USPTO Classifications:

417/183

Tool Categories:

propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus

Assignees:

None

Manufacturer:

William Sellers & Co. - Philadelphia, PA

Witnesses:

I. H. Bailey

Theodore Bergner

Patent Dates:
Granted:	Jul. 21, 1863

Patent Pictures:

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Vintage Machinery entry for William Sellers & Co.

Description:

Wm. Sellers & Co. was the exclusive US licensee of "Giffard's patent self-acting water injector for feeding boilers." This patent provides improvements on Giffard's patent 27,979, to improve the packing between the steam and water chambers, and to reduce size and weight of the injector.