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Crank-Pin-Box Connection.

Description: Patent for "improvements in the connections of single-acting pistons of compressor-engines and other engines of like character with one common crank-pin of the main shaft where two or more cylinders and pistons are employed." (Lines 13-18) Includes instructions and illustrations.
Date: May 26, 1896
Creator: Robinson, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vertical Steam-Pump.

Description: Patent for improvements in steam-pumps, of which “are adapted to compress a liquefiable gas—such as that of ammonia—to a state of partial liquefaction, the pressure being subsequently removed and the liquefied refrigerating agent expanding through tubes and chambers, and the cooling effect produced by the volatile liquid again assuming its gaseous state is utilized for the absorption of heat.” (Lines 10-17) Illustration is included.
Date: June 23, 1891
Creator: Robinson, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piston for Pneumatic Pumps.

Description: Patent for improvements in pistons for pneumatic pumps by using a combination of a tubular shell, a cylindrical valve, a conical aperture and a conical projection to fulfill the conditions required of a piston in pumps. Illustration is included.
Date: March 31, 1891
Creator: Robinson, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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