A system for providing a pressurized liquid, having a reservoir for the liquid, which has a discharge and a feed, having a pump, having a first valve, having a separate filter chamber, having an inlet and at least one outlet, and a compressible, closed buffer body. The pump is between the discharge of the reservoir and the filter chamber and configured to increase pressure of the liquid within the filter chamber, the first valve between the feed of the reservoir and the filter chamber and configured to open in the direction of the reservoir upon attainment or exceedance of a minimum pressure of the liquid in the filter chamber. The buffer body is in the filter chamber such that it can be surrounded by liquid.

A system for providing a pressurized liquid, having a reservoir for the liquid, which has a discharge and a feed, having a pump, having a first valve, having a separate filter chamber, having an inlet and at least one outlet, and a compressible, closed buffer body. The pump is between the discharge of the reservoir and the filter chamber and configured to increase pressure of the liquid within the filter chamber, the first valve between the feed of the reservoir and the filter chamber and configured to open in the direction of the reservoir upon attainment or exceedance of a minimum pressure of the liquid in the filter chamber. The buffer body is in the filter chamber such that it can be surrounded by liquid.

A cartridge shell for a suction or discharge stabilizer dampening pumped fluid pressure pulsations at an inlet or outlet of a reciprocating pump includes a head including a protrusion, an annular shell of deformable material of a deformable multi-ply material coupled to the protrusion, a plug coupled to the annular shell of deformable material at an opposite end of the annular shell of deformable material from the protrusion, and a cellular foam included within the interior of the annular shell of deformable material.

The present disclosure provides a gas-liquid coupling type fluid pulsation attenuator, which comprises: substrate, which is hollow and with an opening at one end; bladder, which is located at the hollow part of the substrate, and a first chamber is formed between the bladder and the inner wall of the substrate; and lining, which is located inside the bladder. The gas-liquid coupling type fluid pulsation attenuator of the present disclosure makes the fluid in the main pipe enter the first chamber through the opening of the substrate, and the bladder is filled with gas. Therefore, under the action of the pressure difference between the fluid pressure in the first chamber and the air pressure in the bladder, the bladder deforms, so as to absorb the flow pulsation through the expansion and contraction of the bladder, to make the oil flow in the hydraulic energy system more stable.

The present disclosure provides a gas-liquid coupling type fluid pulsation attenuator, which comprises: substrate, which is hollow and with an opening at one end; bladder, which is located at the hollow part of the substrate, and a first chamber is formed between the bladder and the inner wall of the substrate; and lining, which is located inside the bladder. The gas-liquid coupling type fluid pulsation attenuator of the present disclosure makes the fluid in the main pipe enter the first chamber through the opening of the substrate, and the bladder is filled with gas. Therefore, under the action of the pressure difference between the fluid pressure in the first chamber and the air pressure in the bladder, the bladder deforms, so as to absorb the flow pulsation through the expansion and contraction of the bladder, to make the oil flow in the hydraulic energy system more stable.

A device and method to mitigate transient events in a transported medium of fluids and gases subjected to surges, and over pressure events caused by the transient state of a transported medium in a continuous pipeline, where the device has one or more concentrically positioned multilayered composite pipes encased in an outer spool pipe with an annulus space between the spool pipe and the multilayered composite pipes, with flanged adaptors at each end of the device for inline installation in a pipeline, with a management system for receiving, processing and transmitting information gathered in combination with existing pipeline monitoring, and acoustical detection system for receiving and processing of acoustic transmission due to an acoustical wave. Mitigation of pressure events is achieved by energy dissipation and expansion of the multilayered composite pipes and reduction of amplification of pressure waves is achieved by initiation of active counter waves by expansion of the multilayered composite pipes to sinusoidal shape.

A positive air pressure attenuation device (1) comprising:—a housing (3) with an inner central portion (6) forming a channel (7); and an elastic flexible inflatable reservoir (8) associated to the inner central portion (6), whereby the inner central portion (6) has a wall portion (60) with a plurality of openings (61) forming passages between the channel (7) and the reservoir chamber (8A).

A positive air pressure attenuation device (1) comprising:—a housing (3) with an inner central portion (6) forming a channel (7); and an elastic flexible inflatable reservoir (8) associated to the inner central portion (6), whereby the inner central portion (6) has a wall portion (60) with a plurality of openings (61) forming passages between the channel (7) and the reservoir chamber (8A).

A device and method to mitigate transient events in a transported medium of fluids and gases subjected to surges, and over pressure events caused by the transient state of a transported medium in a continuous pipeline, where the device has one or more concentrically positioned multilayered composite pipes encased in an outer spool pipe with an annulus space between the spool pipe and the multilayered composite pipes, with flanged adaptors at each end of the device for inline installation in a pipeline, with a management system for receiving, processing and transmitting information gathered in combination with existing pipeline monitoring, and acoustical detection system for receiving and processing of acoustic transmission due to an acoustical wave. Mitigation of pressure events is achieved by energy dissipation and expansion of the multilayered composite pipes and reduction of amplification of pressure waves is achieved by initiation of active counter waves by expansion of the multilayered composite pipes to sinusoidal shape.

A nested gas charged cartridge for insertion in a cylinder to reduce pulsations in a fluid pumping system includes a first gas cartridge and a second gas cartridge, and optionally a third gas cartridge. Each of the first, second, and third gas cartridges independently and cumulatively reduce pulsations entering the cylinder. A diameter of the third gas cartridge is less than a diameter of the second gas cartridge, which both are less than a diameter of a first gas cartridge.