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A duplex steam pump has two sets of steam and water cylinders. They are not physically connected but the steam valves on the first pump are operated by the movement of the second pump's piston rod, and vice versa. The result is that there are no "dead spots" and the pump is always self-starting. [2]
In 1859, after establishing a pump-manufacturing plant in New York, he perfected his duplex steam feed pump (patent No. 24,838) and in the following year built the first water-works engine of this kind. In the duplex system one engine actuated the steam valves of the other, and a pause of the pistons at the end of the stroke permitted the water ...
Worthington and Baker, manufacturers of hydraulic machinery such as steam pumps and meters, was founded by Henry R Worthington and William H. Baker. [1] Worthington was the inventor of the direct acting steam pump. [2] The first foundry was near the Brooklyn Navy Yard. In 1854 the partners moved to Van Brunt Street in Brooklyn.
Steam pumps have been for a long time mainly of historical interest. They include any type of pump powered by a steam engine and also pistonless pumps such as Thomas Savery's or the Pulsometer steam pump. Recently there has been a resurgence of interest in low-power solar steam pumps for use in smallholder irrigation in developing countries ...
A nonprofit group known as the T1 Trust is in the process of constructing a new duplex locomotive, a T1-class engine known as Pennsylvania Railroad 5550, intending to utilize design improvements from the postwar steam era not used or seldom tested on pre-existing T1s in the hope of creating better performance characteristics. The estimated year ...
The pumping system was operated by a vertical set of compound Clapp and Jones Pumps and a set of Duplex Gordon Steam Pumps. [2] By 1892 the company had expanded the water system to 37 miles (60 km) of water mains and 400 hydrants. [2]
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