Abstract: A surge chamber has an outflow/inflow control fitting on its bottom so as to make maximum use of fluid in the chamber. The fitting itself includes a surge pipe section and outlet pipe section extending downwardly from the bottom of the chamber and having companion flanges. An annular nozzle member is positioned between the flanges and defines a reduced diameter opening. This opening is designed to pass fluid from the chamber to a pipeline to prevent fluid separation of the fluid column in the pipeline to prevent fluid separation of the fluid column in the pipeline should the normally provided pumping system fail. The fitting further includes a core member supporting anti-vortex blades and a deflection plate to minimize agitation of the fluid/air surface in the surge chamber as might otherwise occur during outflow and inflow of fluid.

Abstract: Hydraulic surge protection is provided in a pumping plant by providing a synchronous motor/generator connected across the electrical power bus lines used to energize the motor operated pumps for pumping liquid through a pipeline. A fly wheel is provided on the synchronous motor/generator having an inertia to maintain the motor/generator operating in the event of an electrical power failure between the bus lines and source of electrical energy to generate and feed current to the pump drive motors through the bus lines to maintain pumping operation thereof. This pumping operation is maintained a sufficient length of time to minimize separation of the liquid column being pumped in the pipeline to an extent that damaging water hammer is prevented.

Abstract: The acoustic silencer functions as a pulsation dampener to minimize noise generated in liquid and/or gaseous fluids inherently present in fluid conveying systems which embody pumps, compressors, engines and the like. The device includes a shell divided into first and second compartments by a partition supporting a central tube placing the compartments in communication with each other. The tube passage itself is provided with internal diametrically oppositely positioned vanes forming an acute angle with the axis of the tube to impart a rotational component to fluid flow through the tube. A polar or rotational inertence is thus provided in addition to linear inertence to the fluid flow thereby enabling shorter tubes to be utilized with a subsequent simplication in the manufacture and an increased reliability in the structural integrity of the silencer.