Abstract: A urea-water pump device for an exhaust gas cleaner includes a pump, a motor, a temperature detection portion, a setting portion, and a changing portion. The pump is accommodated in a tank and supplies urea-water stored in the tank. The motor drives the pump. The temperature detection portion directly or indirectly detects a temperature of the urea-water stored in the tank. The setting portion sets an upper-limit-value of a current supplied to the motor. The changing portion changes the upper-limit-value of the current supplied to the motor, based on the temperature of the urea-water detected by the temperature detection portion.

Abstract: The present invention relates to a micro-valve which is formed from two firmly connected substrates and preferably has an actuator element, for example that is diaphragm-driven, for the controlled opening and closing of a first and/or second passage. The invention further relates to a method for producing such a micro-valve and to a micro-pump which uses at least one such micro-valve. Said micro-pump is intended to be used in particular in conjunction with the development of an artificial sphincter. The micro-valve has a first substrate and a second substrate which are non-detachably joined to each other in order to form a controllable fluid flow section, and at least one first passage and at least one second passage. According to the invention, the micro-valve has at least one elastically deformable seal structure which, for example, can be formed by a photostructurable silicone, to seal off the first and/or second passage.

Abstract: The invention provides a device for extracting energy from a liquid flow. The device has a housing with one or more entry ports through which liquid flow can enter the housing and a plurality of exit ports through which liquid flow can leave the housing. An air compression chamber is provided along with a plurality of valve members which are operable to regulate flow of the liquid through the plurality of exit ports. The exit ports are arranged in an array inclined in the direction of liquid flow and the valve members are operable to close the exit ports downstream of the liquid flow consecutively as the liquid flow is incident thereon, thereby progressively diverting flow of the liquid towards the air compression chamber and compressing air therein, and to open the exit ports on a return flow of liquid from the air compression chamber.

Abstract: A garden hose spray system includes a water pump and a controller with a switch for engaging and disengaging the pump. The pump is used for boosting a water flow through the system. The controller is in communication with the pump, and directs the switch to engage the pump when the water flow exceeds a predetermined, non-zero threshold flow rate. In certain embodiments, the system further includes a variable outlet. The variable outlet is operable at a first flow setting for a flow rate greater than the threshold and a second flow setting for a non-zero flow rate less than the threshold.

Abstract: The invention relates to a liquid supply system wherein liquid, such as for example, a supply of warm water, circulates. Said system consists of thick outer tubes, the inner chamber of said thick outer tubes allowing a liquid to flow through, a thin inner tube is respectively placed inside the outer tube in which the liquid can flow in the direction counter to that in the inner chamber. In the path of at least one outer tube, a first tube branch is introduced enabling the first inner tube to be withdrawn, and in said first branch, at least one functional component, such as a shut-off valve, is introduced into the inner tube and guided to a second tube branch in the path of an outer tube and extends further through said tube branch and then into the inner chamber of the latter outer tube.

Abstract: A system for maintaining a desired pressure difference between a first pressure within a chamber and a reference pressure at a reference space. The system may include a peristaltic pump located along a duct that connects the chamber with the reference space. The system may further include a pressure sensor for monitoring an actual pressure difference between the first pressure within the chamber and the reference pressure at the reference space. The system may also include a controller for receiving a signal from the pressure sensor for determining the actual pressure difference from the pressure sensor and for operating the peristaltic pump, in accordance with the actual pressure difference and the desired pressure difference, to increase, decrease or leave unchanged the pressure within the chamber so as to maintain the actual pressure difference within predetermined proximity to the desired pressure difference.

Abstract: A pressure-regulating arrangement includes a main line through which a flow can pass from an intake to an output and in which an adjustable nozzle is arranged. The pressure-regulating arrangement further includes a pressure-regulating valve having a pressure connection which is connected to the main line downstream of the nozzle. A valve body of the pressure-regulating valve is movable from a basic position in an opening direction to increase an outlet pressure of an outlet connection. A first pressure which is tapped off from the main line upstream of the nozzle acts in the opening direction. The outlet pressure and a second pressure, which is tapped off from the main line downstream of the nozzle, act in a closing direction, which is opposed to the opening direction, in order to reduce the outlet pressure.

Abstract: A product delivery mechanism for a beverage dispensing system that dispenses flavor/ingredients and ice into a serving cup for mixing and/or blending. The product delivery system includes a gas operated pump for moving the flavor/ingredients from a product source to a dispensing nozzle above the serving cup. A gas restrictor is connected to an exhaust port of the pump to regulate gas flow rate and product flow rate so as to prevent splashing at the cup while operating the pump well within its rated pressure limits.

Abstract: Devices and system for preparing samples are described. Such devices can comprise fluidic chambers, reservoirs, and movable structures for controlling the movement of samples. The device can also comprise functional elements for performing specific operations.

Abstract: A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a pre-determined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period.

Abstract: The fluidic system including a sheath pump that pumps sheath fluid from a sheath container into an interrogation zone, a waste pump that pumps waste fluid from the interrogation zone to a waste container, in which the flow rate of the sheath fluid is different from the flow rate of the waste fluid thereby drawing a sample fluid from a sample container into the interrogation zone, a detection system that provides a data set of input signals from the sample fluid, an analysis engine that recognizes aggregate particle events in the data set, and a controller that automatically adjusts the flow rate of the sample fluid into the interrogation zone based on the recognition of aggregate particle events, by controlling at least one of the flow rates of the sheath fluid and the waste fluid.

Abstract: An improved disposable hydration pouch and method of delivery is disclosed herein. The hydration pouch may be manufactured from poly-ethylene or other high self-friction polymers that can be thermally sealed, which allows the pouch to be inexpensive to manufacture and disposable. The hydration pouch also includes a plurality of latitudinal thermally sealed baffles to provide improved lateral support and strength while holding liquids during use over existing poly-ethylene hydration pouches in the prior art. The disposable hydration pouch may be used by athletes, hikers, cyclists, travellers, and more as a portable hydration source.

Abstract: A hydraulic two-way valve includes a pump connection, a tank connection, and first and second working connections. The working connections are connectable to a hydraulic cylinder of an agricultural vehicle lifting mechanism. The pump connection is connectable to a hydraulic pump. In a first position, the pump connection, tank connection, and working connections are shut off. In a second position, the pump connection is connected to the first working connection and the tank connection to the second working connection. In a third position, the pump connection is connected to the second working connection and the tank connection to the first working connection. In a fourth position, the working connections are connected to the tank connection and the pump connection is shut off. In a fifth position, the tank connection is connected to the second working connection and the pump connection and first working connection are shut off.

Abstract: An oil pressure control apparatus includes: a pump that ejects oil by being driven by rotation of an engine; a first flow passage interconnecting the pump and a first predetermined portion; a second flow passage branching from the first flow passage and supplying oil to a second predetermined portion; and a flow passage area adjusting portion that adjusts a flow passage area of the second flow passage according to oil pressure in the second flow passage. The flow passage area adjusting portion includes a spool formed such that a first pressure receiving face and a second pressure receiving face having an area smaller than that of the first pressure receiving face oppose each other with the second flow passage interposed therebetween, with the spool moving according to oil pressure in the second flow passage, and a biasing member biasing the spool in a direction toward the second pressure receiving face.

Abstract: The present invention includes a molten metal pump and associated components that enable gas to be released into a stream of molten metal. The gas may be released into the molten metal stream (preferably into the bottom of the stream) flowing through a passage. Such a stream may be within the pump discharge and/or within a metal-transfer conduit extending from the pump discharge. The gas is released by using a gas-transfer foot that is positioned next to and is preferably attachable to the pump base or to the metal-transfer conduit. Preferably, the conduit (and/or discharge) in which the gas is released comprises two sections: a first section having a first cross-sectional area and a second section downstream of the first section and having a second cross-sectional area, wherein the second cross sectional area is larger than the first cross-sectional area. Preferably, the gas is released into or near the second section so that the gas is released into an area of relatively lower pressure.

Abstract: A container/transport system for a viscous material includes a container for the viscous material and a transport conduit for transporting the viscous material. The container includes an outer rigid wall; an inner flexible bladder, the inner flexible bladder containing a viscous material; and a conduit connected to the inner flexible bladder to introduce a fluid into the inner flexible bladder. The transport conduit includes an outer rigid wall, an inner flexible bladder, a volume between the outer rigid wall and the inner flexible bladder containing a viscous material, and a conduit connected to the inner flexible bladder to introduce a fluid into the inner flexible bladder. A valve controls a flow of fluid from a fluid source to either the inner flexible bladder of the container or the inner flexible bladder of the transport conduit.

Abstract: A device and method for chemicals to be fed into a water system, treating the water system as it enters, for example, a fire protection mains and/or fire protection systems (FPS) to protect and maintain the longevity of the water system preventing damages to the water system or enhancing the operation characteristics of the system. This device is a treatment system that may be installed as a portable or permanent device with chemicals such as, corrosion inhibitors, wetting agents, polymeric dispersants, biocides, biostats or other water chemical enhancing effects with means for injecting the chemicals into th fire protection system or a bypass feed system (20) utilizing the fluid means without the need for any electricity. Activation of the pump(1) occurs when water enters the FPS mains and FPS sprinkler system from an outside source. Valving (22, 24) is included to isolate the pump and drums, storage tank to prevent backflow from the FPS.

Abstract: A water supply system is described for supplying water to a linearly moving irrigation system. The water supply system is able to take water from a stationary water supply conduit (either a collapsible conduit or a rigid conduit) and feed it into one end of a feed pipe for the irrigation system. The water supply system includes a pickup shoe which extends into the water supply conduit through a traveling opening in the top side of the conduit. The pickup shoe intercepts substantially all of the water in the supply conduit and pumps it upwardly through the traveling opening to the feed pipe for the irrigation system. The pump is located in the portion of the shoe which extends into the supply conduit.

Abstract: A bi-directional pump comprises a pump housing, and the pump housing comprises a pump outlet. A fluid pressurizer is positioned in the pump housing and configured to provide fluid flow selectively in a first direction and a second direction. A first passage and a second passage are positioned in the pump housing. A junction is fluidly positioned, in the pump housing, connecting the first and second passages to the pump outlet. A flow controller is positioned in the pump housing to move relative thereto, between a first position, placing the first passage, in fluid communication, with the pump outlet via the junction when the fluid pressurizer provides fluid flow in the first direction, and a second position placing the second passage, in fluid communication with the pump outlet, via the junction when the fluid pressurizer provides fluid flow in the second direction.

Abstract: An air compressor may include a compressor unit and an external tank unit connectible with the compressor unit. The external tank unit may include an external tank and a battery. The battery may supply electric power to the compressor unit.

Abstract: An air supply pipe (15) includes a curved pipe portion (153) having a first end (153a) and a second end (153b), a first straight pipe portion (152) extended along a first direction and a second straight pipe portion (154) extended along a second direction. The cross-sectional shape of the curved pipe portion (153) is a rectangular shape having longer sides in a third direction.

Abstract: Hydraulic valve arrangements may be assembled to provide pre-compensation or post-compensation using the same chassis body. A first type of main spool is disposed in a main passage and a first type of pressure compensator spool is disposed in a compensator passage to provide pressure pre-compensation. The first type of pressure compensator spool connects to a first pilot location and not to a second pilot location. A second type of main spool is disposed in the main passage and a second type of pressure compensator spool is disposed in the compensator passage to provide pressure post-compensation. The second type of pressure compensator spool connects to the second pilot location and not to the first pilot location. The valve arrangement may be switched from pre-compensation to post-compensation (or vice versa) by switching out the main spool and pressure compensator spool without making any other changes to the chassis body.

Abstract: A medical device includes an interface unit body, which is configured to hold a portion of a flexible infusion tube. A hinge insert is fixed to the interface unit body and is configured to engage a hinge receptacle, which defines a hinge axis, on an infusion pump. A catch insert is fixed to the interface unit body and is configured to lock onto a catch receptacle on the infusion pump upon rotation of the mechanical interface unit about the hinge axis while the hinge insert engages the hinge receptacle, so as to bring the tube into engagement with a peristaltic mechanism of the infusion pump in order to enable the peristaltic mechanism to propel a fluid through the tube.

Abstract: A liquid supply apparatus (e.g., for dispensing soap, shampoo, etc.) includes a liquid storage tank and a pump module connected to the storage tank. The liquid supply apparatus further includes a suck-back module. The suck-back module includes a chamber formed by a piston cover disposed at an end of a cylinder, a piston rod having a first end disposed in the chamber and a second end configured to extend through an opening in the piston cover, and a plug disposed in the chamber and connected to the first end of the piston rod.

Abstract: A waste water lifting installation has a collection container and a pump assembly. The pump assembly is fastened on a flange plate which closes an opening on the upper side of the collection container. The flange plate, on a first side edge which faces the middle region of the waste water lifting installation, is releasably fixed on the collection container with a single locking element.

Abstract: Methods, devices, and systems for laundry fluid delivery are disclosed. A laundry fluid delivery controller includes a user interface configured to receive input from a user regarding use of a laundry fluid in a washing machine, a pump configured to pump the laundry fluid from a fluid reservoir to the washing machine, and processing circuitry configured to control the pump in response to the user input and to operate independent of any control circuitry of the washing machine, the control circuitry being configured to control operation of the washing machine.

Abstract: A fuel tank installation comprising: a fuel tank for holding fuel, the fuel tank comprising a fuel tank wall formed with a hole; a fuel pump assembly fitted into the hole in the fuel tank wall with an inner part of the fuel pump assembly protruding from an inner side of the hole and an outer part of the fuel pump assembly protruding from an outer side of the hole; a cage surrounding the outer part of the fuel pump assembly; and a mounting piece which attaches both the cage and the fuel pump assembly to the fuel tank wall.

Abstract: The present invention relates to a pump assembly (5) for a supply unit, in particular a tank container (1), comprising: a pump line (51; 51r, l) for conveying a liquid medium between a container (3) and a removal connection, a pump (55) arranged in the pump line (51), and a feed connection (58), which is connected to the pump line (51) via two connecting lines (57). Here the pump (55) acts between the two connecting points (57a) of the connecting lines (57) in the pump line (51). The medium can therefore be delivered as desired directly by the pump (55) between the feed connection (58) and the container (3), between the container (3) and the removal connection (52), or between the feed connection (58) and the removal connection (52). The invention further relates to a fuel supply unit having a pump assembly (5) according to the invention and a container (3).

Abstract: Embodiments described herein provide micro-fluidic systems and devices for use in performing various diagnostic and analytical tests. According to one embodiment, the micro-fluidic device includes a sample chamber for receiving a sample, and a reaction chamber for performing a chemical reaction. A bubble jet pump is structured on the device to control delivery of a fluid from the sample chamber to the reaction chamber. The pump is fluidically coupled to one or more chambers of the device using a fluidic channel such as a capillary. A valve may be coupled to one or more chambers to control flow into and out of those chambers. Also, a sensor may be positioned in one or more of the chambers, such as the reactant chamber, for sensing a property of the fluid within the chamber as well as the presence of a chemical within the chamber.

Abstract: A system for evacuating gas from a brake booster of a motor vehicle includes: a first conduit adapted to be connected fluidly to the brake booster; an electric pump connected fluidly to the first conduit, and controllable to evacuate gas from the brake booster via the first conduit; a second conduit; an electric valve fluidly connecting the first and second conduits to each other; a mechanical pump connected fluidly to the second conduit, and adapted to be driven by a vehicle drive unit of the motor vehicle to evacuate gas from the brake booster via the first conduit, the electric valve, and the second conduit; and a control unit operatively associated with the electric pump and the electric valve, and configured to control operations of the electric pump and the electric valve according to a working state of the mechanical pump.

Abstract: A compressor may include a shell, a compression mechanism, and a suction passageway. The shell may include an inlet port. The compression mechanism may be disposed within the shell and may include a suction inlet. The suction passageway may include a first portion, a second portion, and an intermediate portion. The first portion may be fluidly coupled to the inlet port. The second portion may be fluidly coupled to the suction inlet of the compression mechanism. The intermediate portion may be disposed between the first and second portions and may be movable between a first position in which the intermediate portion engages the first and second portions and a second position in which the intermediate portion is disengaged from at least one of the first and second portions.

Abstract: A compact, modular dosing pump system that is capable of microdose and macrodose volume flow rates, reduces or eliminates the need for additional flow control components such as temperature and pressure sensors, and utilizes a wider operational flow range than existing systems while maintaining the level of accuracy and precision exhibited by conventional dosing pump systems is provided. The dosing pump utilizes a pump and flow circuit, and a control system may be used to deliver a range of fluid volumes. The flow circuit utilizes a networked system of fluid paths and valves to route fluid through the dosing pump system in response to a pressure differential between fluid inlet and fluid outlet ports, while the controller monitors and controls the operation of the system.

Abstract: A drain pump capable of easily discharging air in the drain pump, and a washing machine having the same. The drain pump includes a washing water inlet compartment, a drain pump compartment configured to pump washing water contained in the washing water inlet compartment to an outside, a suction port provided between the washing water inlet compartment and the drain pump compartment to move the washing water from the washing water inlet compartment to the drain pump compartment, a drain line to connect the drain pump compartment to an outside to discharge the washing water, and an air outlet port provided on the drain pump compartment to discharge air contained in the drain pump compartment to an outside, wherein the air outlet port is connected to the drain line.

Abstract: A portable, refrigerant recovery unit for transferring refrigerant from a refrigeration system to a storage tank. The unit includes two, opposed piston heads rigidly attached to respective piston rods that extend along a common fixed axis and are rigidly attached to a scotch yoke arrangement. In operation, incoming refrigerant is simultaneously and continuously directed to the opposing piston heads wherein the forces of the pressurized refrigerant on them counterbalance one another. The flow path of the refrigerant is designed to be isolated from the piston rods and drive mechanism to avoid any exposure to any contaminants in the refrigerant. However, to the extent the undersides of the piston heads and portions of the piston rods may be so exposed, a chamber is provided adjacent each piston underside to capture or collect any contaminants and direct them harmlessly back through one-way exhaust lines into the incoming refrigerant lines.

Abstract: A pump cassette is disclosed. The pump cassette includes a housing having at least, one fluid inlet line and at least one fluid outlet line. The cassette also includes at least one reciprocating pressure displacement membrane pump within the housing. The pressure pump pumps a fluid from the fluid inlet line to the fluid outlet line. A hollow spike is also included on the housing as well as at least one metering pump The metering pump is fluidly connected to the hollow spike on the housing and to a metering pump fluid line. The metering pump fluid line is fluidly connected to the fluid outlet line.

Abstract: A system includes a forwarding skid configured to forward a liquid supply from a liquid storage vessel toward a downstream component. The forwarding skid includes a pumping system configured to receive a gravity feed of the liquid supply from the liquid storage vessel, and the pumping system is configured to pump the liquid fuel supply toward the downstream component. The forwarding skid also includes a monitoring system configured to obtain at least one sensed parameter of the gravity feed of the liquid supply received at the forwarding skid upstream from the pumping system. The at least one sensed parameter is indicative of a supply level remaining at the liquid storage vessel.

Abstract: A valve, including a valve opening and a valve plate arranged to seal the valve opening in a closed state by means of compressing a sealing structure is provided, wherein the sealing structure includes an uncompressed dimension in a compression direction of less than 100 ?m.

Abstract: This disclosure comprising: a tubular member (4) comprising openings (2) arranged along its length; a receiving portion (3) comprising a passage (3a) for receiving the tubular member such that the tubular member fits within and is free to rotate with respect to the receiving portion, wherein the receiving portion comprises openings (1) arranged along its length; and a drive member (21) configured to rotate the tubular member. The openings of the tubular member and receiving portion are arranged such that there is an at least partial overlap between the openings of the tubular member and receiving portion, and that as the tubular member rotates with respect to the receiving portion the opening overlap moves along the length of the tubular member and receiving portion and fluid is sucked into the tubular member , or expelled from it at successive longitudinal locations.

Abstract: In one embodiment, a method of generating net fluid flow in a microfluidic network includes, with a fluid actuator integrated asymmetrically within a microfluidic channel, generating compressive and tensile fluid displacements that are temporally asymmetric in duration.

Abstract: A pressure-controlled liquid supply system uses a pump control device to switch a pump on and off in response to a pressure level in the pumped liquid. The pump control device minimizes short cycling of the pump by preventing shut off of the pump while a flow is present through the pump control device and by delaying the shut off of the pump. The pump control device also avoids a significant drop in the output pressure by creating a reduced pressure zone, which provides the switch pressure used to switch the pump off.

Abstract: A reductant dosing manifold is disclosed. The reductant dosing manifold may have a housing with a pump interface configured to directly connect the reductant dosing manifold to a reductant pump, and a reductant supply passage in fluid communication with the pump interface. The housing may also have a reductant outlet port, and a pressurized reductant passage connecting the pump interface to the reductant outlet port.

Abstract: The invention relates to a device, to a capsule and to a method for use in personal hygiene, in particular when taking a shower or a bath or when washing hands. According to one aspect of the invention, a device for use in personal hygiene, in particular when taking a shower or a bath or when washing hands, is provided which is designed and adapted such that into the device a capsule, in particular a multi-chamber capsule, can be inserted. Advantageously, the device comprises an appliance for opening the capsule with means for damaging a capsule wall in order to open the capsule. The appliance for opening the capsule or the means for damaging the capsule wall can be adapted to push open or puncture the capsule wall, in particular to pierce a hole into the capsule wall. Advantageously, the capsule is a disposable capsule or an expendable article.

Abstract: A flow controller for an engine cooling system is disclosed and claimed. The flow controller includes a housing and a valve. The housing defines a first entrance, a second entrance, and an exit. A main coolant flow path is defined by the first entrance with the exit, and a bypass coolant flow path is defined by the second entrance with the exit. The first entrance is adapted to be connected to the cooler, the second entrance is adapted to be connected to the engine bypass port, and the exit is adapted to be connected to the pump. With the valve closed, the main flow path is blocked; that is, coolant from the cooler and/or reservoir is prevented from entering the pump.

Abstract: A hydronic distribution system includes self-regulating valves networked together and operable to share valve temperature and valve position information with a microprocessor or other type of controller. The microprocessor runs one or more algorithms that process the temperatures and positions of the valves and then computes a desired speed for one or more variable speed pumps within the system. Controlling the pumps to operate at the desired speed and still maintain the correct amount of process fluid flow needed by the system reduces the overall energy use of the hydronic distribution system, saves on the operational lives of the pumps, and increases system efficiency.

Abstract: A hydraulic system is disclosed. The hydraulic system may have a pump, a tank, a displacement actuator having first and second chambers, a regeneration valve, and a load-holding valve. The hydraulic system may also have a displacement control valve including a valve element, and a stationary cage portion at least partially forming a high-pressure passage fluidly connecting the pump and valve element, a low-pressure passage fluidly connecting the valve element and tank, a first displacement actuator passage fluidly connecting the valve element and first chamber, a second displacement actuator passage fluidly connecting the valve element and second chamber, a load-holding control passage fluidly connecting the valve element and load-holding valve, and a regeneration control passage fluidly connecting the valve element and regeneration valve.

Abstract: A device for delivering reducing agent from a tank to a metering unit includes a pulsating delivery pump for delivering reducing agent in a delivery direction through a delivery line from the tank to the metering unit. The delivery line includes at least two separate ducts in regions downstream of the delivery pump in the delivery direction. The ducts form flow paths having different propagation times for the reducing agent. This leads, in particular, to cost-effective noise reduction for such delivery systems. A motor vehicle having the device is also provided.

Abstract: The invention relates to a device (40) for reducing pollutants, in particular nitrogen oxides, in an exhaust gas flow of an internal combustion engine, comprising a reducing agent (46), in particular a urea-water solution, which is stored in a storage tank (42), a metering module, in particular a nozzle (68), for injecting the reducing agent (46) into the exhaust gas flow, and a pump (56, 100) for delivering the reducing agent (46) from a suction point (62) in the storage tank (42) to the metering module via lines (58, 66). According to the invention, the pump (56, 100) lies beneath a reducing agent level (44) in the storage tank (42), and a non-return valve is provided. As a result of the non-return valve, the device (40) is prevented from refilling with the reducing agent (46) after the reducing agent (46) is completely sucked back from the device (40) after shutting off the internal combustion engine, in particular after extended idle times of the internal combustion engine.

Abstract: A water removal device to withdraw virtually all the water from the drain in the bottom of a swimming pool comprising an elongated lower suction or vacuum housing including a plurality of perforations or holes formed therein to receive water from a pool drain and an upper suction or vacuum source to create a suction or vacuum to draw water from the pool drain through the perforations or holes into and through the lower suction or vacuum housing to remove the water from the pool drain.

Abstract: A removable liquid transport assembly configured to be readily installed in and removed from a liquid dispenser to permit the liquid dispenser to be readily sanitized. The removable liquid transport assembly preferably includes a liquid manifold, a valve assembly and a pump head. The removable liquid transport assembly is configured such that liquid can flow in a first direction through the removable liquid transport assembly to permit a liquid to be dispensed from a liquid dispenser and liquid can flow in a second direction back to a liquid storage container to prevent damage to one or more components of the liquid dispenser.

Abstract: Provided is a fuel pump module in which a portion of fuel transmitted from a fuel pump provided in a reservoir or fuel returned from an engine is supplied to a first jet and a second jet and a portion of the fuel is supplied from a first jet tower to a second jet tower through a connection tube connecting the first jet tower and the second jet tower to each other when the returned fuel passes through the first jet and the second jet and is then jetted to each of the first jet tower and the second jet tower to fill an inner portion of the second jet tower with the fuel, such that the fuel in a second space part of a fuel tank is rapidly transmitted, thereby making it possible to stably supply the fuel to the engine.