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A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...
In a submersible pump, the motor is sealed in a special housing, with the impeller mounted directly to the shaft. Automatic level control can be integrated within the pump, or as an auxiliary switch with little or no physical connection to the pump. Which type of sump pump to use is a matter of personal choice.
A spiral pump. A spiral pump, sometimes called a Wirz pump or incorrectly Wirtz pump, is a low lift pump which is composed of a long piece of metal plating, which is wound into a coil and sealed at the top and back extremities so as to resemble a cylinder. The outer cavity serves as the inlet, while the inner (partial) tube serves as the outlet.
The earliest models used screw propeller thrusters while more recent models utilized automatic buoyancy control. The earliest model, SPURV, weighed 484 kg, went as deep as 3650 meters, and could travel for up to 5.5 hours. [6] One of the most recent models, Deepglider, weighs 62 kg, can go as deep as 6000 meters, and can travel up to 8500 km. [6]
An automatic lubrication system consists of a reservoir with a pump, feed lines, metering valves, and injectors. The automatic lubrication system is connected to a control system via switchs. The control system may involve human input or may be computerised (computer numerical control or CNC). [2] [3]
In 1965, the Motor division invented the enclosed canopy, two-compartment motor, a design that improved the reliability in pool pump motors by separating the switching components from the motor windings. In 1967, fourth generation Smith family member, Lloyd B. Smith, was elected chairman and chief executive officer of the company.