Abstract: A hydroponics apparatus for growing plants. The apparatus includes a frame attached to a base; the frame includes a frame member having an angled portion at an angle with respect to the base. A plurality of substantially parallel tubes are attached to the angled portion of the frame member, so that the tubes are terraced with respect to each other. Connectors connect the tubes at the ends thereof, thereby forming a single serpentine path for fluid flow. A reservoir is connected to an end of the lowermost tube, for collecting fluid flowing from the tubes. A pump is provided for pumping the fluid into the tubes. In various embodiments, the angled portion of the frame member is at an angle of approximately 45° elevation with respect to the base, and the tubes have netpots for holding the plants.

Abstract: An apparatus and a process for wellbore characterization are disclosed, including: separating, in a separation vessel, drilling mud from gas produced during drilling of a wellbore; transporting the separated produced gas from the separation vessel to a downstream process; and measuring at least one of a temperature, a pressure, a mass flow rate, and a volumetric flow rate of the separated produced gas during transport using one or more sensors. Properties of the gas separated from the mud may be used to determine characteristics of a wellbore.

Abstract: A filter assembly for an additive manufacturing apparatus has a housing defining a gas inlet and a gas outlet. A filter element is located within the housing between the gas inlet and the gas outlet. The assembly includes valves that can be actuated to seal the gas inlet and the gas outlet. Additionally the assembly has a fluid inlet for allowing ingress of a fluid into the housing. The assembly allows a filter element, which may contain volatile particles, to be changed safely. By sealing the gas inlet and outlet and flooding the housing with a suitable fluid, volatile particles captured by the filter can be neutralised.

Abstract: An apparatus for controlling an internal pressure of a hermetically sealed chamber (pass box 4) at a prescribed pressure level serves to relax pressure changes in the hermetically sealed chamber. The hermetically sealed chamber 4 is connected to an inlet passage 12 for supplying air from an external environment through an aseptic filter 14, an outlet passage 20 for discharging a gas through an aseptic filter 22, and an inlet valve 18 and an outlet valve 26 for selectively opening and closing the inlet passage 12 and the outlet passage 20, respectively. The apparatus also includes a controller 46 for controlling the inlet valve 18 and the outlet valve 26 to keep the internal pressure of the hermetically sealed chamber at a prescribed positive pressure level.

Abstract: A transmission assembly for a work machine (10) includes a transmission (16) having a transmission housing (18), a manifold housing (20) attached to the transmission housing (18), and hydraulic pump (22) configured to be connected to the manifold housing (20).

Abstract: A simple, low cost, replaceable coolant filtering is integrated in a coolant reservoir bottle or reservoir tank of an internal engine liquid cooling system. The coolant filtering system intercepts coolant flowing between the engine cooling system and the coolant reservoir, removing particulates from the coolant by filtration, entrapping the removed particulates on the filter media as well as capturing larger particulates into a drainable cup-like depression provided within the coolant reservoir. Also a coolant bypass passage is operative to permit coolant to bypass the filter should the filter media become blocked with contaminants.

Abstract: A hydraulic control device includes a valve body having oil passages, a solenoid valve incorporated in the valve body, an oil pan that is disposed below the valve body and that accumulates hydraulic oil, and a strainer which, as well as being disposed between the valve body and the oil pan, has a filtering medium which filters the hydraulic oil suctioned from the oil pan. The strainer is fixed to the oil pan by a magnetic force of at least one magnet.

Abstract: A rainwater collection apparatus is formed with an outer sleeve member that is adapted to connect with upper and lower downspout portions, and with an internal colander that is operable to collect and filter the rainwater flowing through the upper downspout portion. The colander has an upper flanged edge that removes water flowing along the inside surface of the downspout, a filter area including a plurality of apertures for the passage of rainwater into a catch basin, and a support flange that rests on a base ledge formed on the outer sleeve to define the catch basin. A discharge spout drains the collected rainwater from the catch basin to a remote storage container. An internal opening in the colander allows the passage of debris and the overflow of rainwater from the catch basin through apertures in the colander for discharge through the lower downspout portion.

Abstract: A pump for a fuel system is provided. The pump may have a pumping mechanism and an electric motor connected to drive the pumping mechanism. The pump may also have a low-pressure inlet passage in fluid communication with the pumping mechanism, a pressurized inlet passage in fluid communication with the pumping mechanism, a first outlet passage in fluid communication with the pumping mechanism, and a second outlet passage. The pump may further have a valve movable from a first position at which the second outlet passage is blocked from the pumping mechanism, to a second position at which the second outlet passage is in fluid communication with the pumping mechanism.

Abstract: A hydraulic directional valve which has a valve housing and a filter element. At least one groove encircles the valve housing and the filter element is arranged in the groove and has at least one frame element and a filter fabric which is firmly connected to the frame element. The groove has a groove base and two side walls which extend substantially in the radial direction and circumferential direction.

Abstract: A fuel pump apparatus for supplying fuel to an engine includes a lid member is foamed divisionally from a first lid member having a fuel supply path, and a second lid member removably provided on the first lid member and having a fuel inflow path. A fuel filter is disposed between the first lid member and the second lid member. Since the fuel filter is built in the lid member, a protective case for protecting the fuel filter and a stay for attaching the fuel filter to a vehicle body are not required. The fuel pump apparatus so configured eliminates the requirement for a protective case for protecting a fuel filter and an attaching stay for attaching the fuel filter to a vehicle body and can achieve reduction of the cost.

Abstract: An apparatus for the collection of wet concrete residue that results from rinsing of a concrete dispensing element of a concrete delivery vehicle. The apparatus includes a container body having an internal volume with an open top and a back wall and side wall, a shield guard that extends above a back and at least portions of the side walls of the container body, a containment cover that is hingedly attached to the container body and which permits the containment cover to open between a full opened position where the open top of the container body is accessible, and a fully closed position wherein the container cover water tightly closes the open top of the container body, a drain valve connected to the container body to control flow of liquid out of the container body, a strainer associated with the drain valve which prevents aggregate from being drained through the drain valve, and suspension hooks for suspending the apparatus on a concrete dispensing element of a concrete delivery vehicle.

Abstract: A regulator for gas having a diaphragm rod held at the center of a diaphragm of which rim is sandwiched between a body and a cover via diaphragm retainers, and a valve element capable of seating itself at a valve seat fixedly placed in the body with a valve hole opening at the center provided in an intermediate portion of a valve axis having its one end detachably coupled to the diaphragm rod and its other end slidably fitted in a guide opening provided on the body side, wherein the body (34) is equipped with a valve action unit (120) formed by assembling in advance a valve seat member (100) having a valve hole (111) and the valve seat (112) provided thereon, a guide member (106) having a guide opening (105) and pressed into the valve seat member (100), and a valve axis (114) having a valve element (113) provided thereon in a state of having one end of the valve axis (114) projected from the valve hole (111) and the other end of the valve axis (114) slidably fitted into the guide opening (105) It is thereby p

Abstract: A process for the discharge of slag and ash from a gasification reactor is disclosed. These solids are directed from the gasification reactor into a water bath housed with the gasification reactor in a pressure vessel. There are at least two lock hoppers underneath the water bath which are fed with a stream of water/solids via a pipe and a flow divider element, it being possible to supply the lock hoppers individually and in a controlled manner with a stream of water/solids via shut-off devices. The filling is performed in a manner that encourages the sett-ling process by withdrawing a stream of liquid from the lock hopper being filled, the filling time being controlled so as to prevent the solids settling above the valves and lock hoppers. Also disclosed is an apparatus with at least two lock hoppers underneath the water bath of a gasification reactor, there being, in an advantageous embodiment, a flow divider element and shut-off devices between the water bath and the lock hoppers.

Abstract: A kitchen machine having a housing that includes a housing base; a channel molded in a periphery of the housing and running in a direction of the housing base; a housing recess connected to the channel; and a coupling arranged in the housing recess to couple working apparatuses to the kitchen machine, wherein the housing recess includes means to discharge impurities.

Abstract: A steam turbine valve includes a casing and an inlet in the casing through which a flow of steam flows into the valve. The valve also includes a strainer located in the casing, and a flow guide connected with the strainer to protrude out from the strainer at a location in which the flow of steam strikes the flow guide, changes direction in its flow with respect to the strainer, and passes through a flow path of the strainer to an inside portion of the strainer.

Abstract: A pressure-controlled three-way valve device for inflating, keeping inflated and deflating tires, the device having a plunger axially traversed by an inlet passage normally closed by a spring-urged inlet valve. The plunger's outer sidewall has a recess in which an O-ring extends to abut against the steps of the recess to limit the plunger stroke and keep an outlet circuit closed to a venting port formed in the sidewall of the body of the device. The plunger moving between a position to open air supply to the tire, a position to keep an outlet circuit to a tire closed and a position to open a venting port to deflate the tire. The plunger being mounted into the valve body by a diaphragm sealing an outer wall of the plunger against the valve body and permitting the moving of the plunger with minimal friction between the plunger and the valve body.

Abstract: An electromagnetic hydraulic valve (1) is provided having a magnetic armature (8) which is guided in a longitudinally movable fashion in an armature guide (9) and activates a valve push rod (15) which extends in a valve housing (14). The valve push rod (15) controls the connection between connection openings (28, 29, 30), formed in the valve housing (14), for hydraulic medium in that the valve push rod (15) is operatively connected to one or more sealing bodies (22, 23) which correspond to one or more sealing sleeves (17, 18) supported in the valve housing (14). The hydraulic valve (1) includes an arrangement for precipitating particles of dirt, which element includes an intermediate floor (31), which is arranged between the armature guide (9) and the connection openings (28, 29, 30).

Abstract: The invention relates to a device (11) for disinfecting a motor vehicle air-conditioning system (1), said air-conditioning system (1) including: a) circulation means (5) intended to circulate air through an air delivery duct (6) and placed one after the other in said air delivery duct (6) in the direction of air circulation, b) an air filter (8), and c) an evaporator (7). The invention is characterized in that the device (11) includes: a bypass (12) bypassing the evaporator (7) and enabling air circulation between an area located downstream from the evaporator (7) and an area located between the filter (8) and the evaporator (7), a pump (17) capable of circulating the air from the area located downstream from the evaporator (7) to the area located between the filter (8) and the evaporator (7) via the bypass (12), and a plasma generator (18) capable of generating ozone in the bypass (12).

Abstract: The present invention relates to a wastewater valve arrangement. The valve arrangement includes a first receptacle for receiving a filter to filter wastewater. A second receptacle receives the filtered wastewater. A valve is provided for impeding the egress of filtered wastewater from the second receptacle. In one embodiment, the valve is configured to be normally open, and is configured to permit the release and ingress of air relative to the second receptacle. The valve may include a float that defines a recess.

Abstract: A domestic water recycling system using a combination of an optical detector to detect certain smaller sized (non-filtered) contaminants and a filter to remove larger sized (filtered) contaminants provides an efficient wastewater recycling system. Optical detection of contaminants determines whether water is discharged or filtered and recycled. The optical detection system can use several discrete optical wavelengths that are passed through the fluid, and can determine a relative presence of the contaminants based on the resulting wavelength response. A recycling shower using optical detection, an electronically actuated directional device and pump and a controller allows for automatic recycling or discharging of water without requiring user input. The system may include a turbulence reduction baffle in a collection chamber, and a disinfection unit for the recycled water.

Abstract: Water intake structures for power plants and other industrial facilities may include an inflow channel, a deep well, an outflow channel, and an intake channel. These structures include a fish screen, such as a wedge-wire screen or the like, positioned between the deep well and the intake channel to separate fish, fish larvae and fish eggs from water supplied to the intake channel from the deep well. One or more circulating or sweep flow pumps are positioned proximate an outlet of the outflow channel. The sweep flow pumps are used to maintain a sweep flow through the deep well of the intake structure to help sweep fish, fish larvae and fish eggs away from the fish screen and into the outflow channel. The screens are provided in multiple embodiments to include symmetrical shaped bars or wires, and asymmetric shaped bars or wires.

Abstract: A fuel supply equipment includes: a lid member provided with a fuel discharge pipe; a fuel pump held by the lid member and configured to suck in fuel within the fuel tank and discharge the fuel to an outside of the fuel tank from the fuel discharge pipe; a suction filter that filters the fuel within the fuel tank that will be sucked into the fuel pump; a fuel filter that removes foreign matter in the fuel discharged from the fuel pump; a pressure regulator configured to adjust a pressure of the fuel discharged from the fuel filter to a predetermined pressure and discharge excess fuel; a case configured to accommodate the fuel pump, the suction filter, the fuel filter, and the pressure regulator; and a supporting member provided to the lid member to support the case on the lid member.

Abstract: A sanitary component, namely a stream regulator or stream former for flowing fluid media, including of property-defining constructional elements which are arranged in a sandwich-like manner in the direction of flow and have at least one wire-mesh screen attachment, a diffuser plate system and a shell body with stream-forming segments extending over the cross-sectional area thereof and provided with openings. The property-defining constructional elements are exchangeable and combinable. A locking means is arranged on the inner circumference of the shell body, and a corresponding counter-locking means is arranged on the outer circumference of the diffuser plate system. The diffuser plate system is provided with an optical coding specifying the flow rate class and the shell body with an optical coding defining the flow type.

Abstract: A filter assembly is provided. Embodiments of the filter assembly allow for the continuous filtering of the frying oil, while the fryer is on-line. The filter assembly may include a dirty chamber, a clean chamber, a pump configured to suck the frying oil through the chambers, and a toggle clamp configured to move the filter assembly between a closed configuration and an opened configuration. In the closed configuration, the filter assembly is configured to seal a filter media portion between the two chambers. The pump is configured to suck oil into the dirty chamber and through the filter media and into the clean chamber in order to filter dirt from the oil. In the opened configuration, the filter assembly is configured to allow the removal of now dirty filter media portion from between the chambers and the insertion of a new clean filter media portion.

Abstract: A union coupling having a removable screen is disclosed. The union coupling includes a pipe joint, a fitting that receives the screen, and a collar which clamps the fitting to the pipe joint. In one form, the fitting has an inner surface that defines a passage through the fitting and a pocket formed in the inner surface. The screen has a transverse extension that is received at least in part in the pocket with engagement of the transverse extension and pocket restricting passage of the screen past a predetermined position in the passage. A union coupling having a fitting comprising a fitting body with an outward flange and a shoulder element with an outward flange is also provided. The shoulder element is connected to the fitting body to captivate a collar between the outward flanges of the fitting so that the collar does not become separated from the fitting body. A method of assembling a union coupling is also provided.

Abstract: A steam trap arrangement is provided. The steam trap includes an inlet header having an inner bore. A strainer having a plurality of perforations is positioned within the inner bore. A plurality of discharge ports couple the inlet header to a conduit, where each conduit includes a steam trap. The conduits are arranged to be offset from the discharge ports. The conduits fluidly couple the inlet header to an outlet header. The outlet header includes a discharge port for draining condensate from the system.

Abstract: A condensation collection system for an internal combustion engine having an exhaust gas recirculation system comprises a condensation collection line, a condensation accumulator, and a condensation expulsion line. The condensation collection line is disposed in fluid communication with an air intake system of an internal combustion engine. The condensation accumulator is in fluid communication with the condensation collection line. The condensation collection line being disposed between the air intake system and the condensation accumulator. The condensation expulsion line is in fluid communication with the condensation accumulator. A portion of the condensation expulsion line is disposed in contact with an engine exhaust pipe. The condensation expulsion line has an opening to vent condensation to the atmosphere.

Abstract: Various embodiments of air treatment devices (and housings therefor) are provided. The housings are generally configured to provide air treatment devices that lessen the perceived size of the air treatment devices. Further, embodiments provide housings that are typically easier to clean and maintain and to provide ease in access to internal components of the air treatment devices. Embodiments may also position a control display associated with an air treatment device, such that the control display is visible from a position in front and above the air treatment device. Embodiments may also be configured to minimize and/or inhibit air exiting from the air outlet of the air treatment device from immediately reentering the air inlet and thus being recirculated.

Abstract: A portable fuel transfer unit comprising a plurality of functional elements, such as an electric pump connected to the intake with a flexible hose provided at the end with an adapted filter with a one-way valve and to the delivery with a flexible hose provided with a dispensing nozzle at its end; the unit comprises a shell which is divided into two detachably connected sections and has the electric pump fixed to a first section and is adapted to contain all of the functional elements when the two sections are assembled.

Abstract: A water tank for a dispenser which has a sufficient capacity and allows a user to easily dispense water, and a refrigerator having the same. The water tank includes a water storage container to store water, a filter unit to purify water stored in the water storage container, and a subsidiary container including a filter mounting part, on which the filter unit is mounted, and mounted within the water storage container to divide the inner space of the water storage container, and the water storage container includes a protrusion protruded from the lower surface of the water storage container so as to secure a capacity of the subsidiary container.

Abstract: A water appliance (1) has a water flow control unit (2) for controlling a water flow. The control unit (2) includes a flow restrictor (6) and a leakage stop (12) in serial fluid communication with the flow restrictor (6). The leakage stop (12) cuts off the flow below a predetermined value of a pressure difference between an inlet (9) and an outlet (10) of the flow restrictor (6).

Abstract: A method of saturating porous aggregate material includes: (a) filling an interior of a vacuum vessel with porous aggregate material; (b) applying a vacuum to the vessel interior until a desired vacuum level is reached; (c) drawing water into the vessel under vacuum until substantially all of said aggregate material is covered; and (d) pumping unabsorbed water from the vacuum vessel. A system for saturating porous aggregate materials includes: (a) a vacuum vessel; (b) a vacuum line fluidly connected to a top portion of the vessel, whereby opening the vacuum line using a valve imparts negative pressure to the vacuum vessel; (c) a water delivery conduit fluidly connected at one end to a water source and at its other end to the vessel interior; and (d) a water removal conduit fluidly connected at one end to the vessel interior and at its other end to a pump.

Abstract: A by-pass fuel system configured so that in the event diesel fuel has waxed and/or ice crystals have formed such that the fuel cannot pass easily through the fuel pump fuel strainer, the diesel fuel is selectively able to pass through an auxiliary fuel port via a by-pass valve, thereby ensuring adequate fuel flow to the diesel engine. Return fuel heated by the engine is preferably directed directly onto the fuel pump fuel strainer to help dissolve the waxing and crystallization. An auxiliary coarse fuel strainer optionally provides coarse fuel straining of the by-passed fuel.

Abstract: Filter (304) disposed between a wind blower and injection port (302) that injects cooling wind delivered from said wind blower and in which a plurality of opening portions are formed, wherein an area of said filter (304) is greater than an area of said injection port (302), an area of each of said plurality of opening portions is smaller than the area of said injection port (302), and a total area of said plurality of opening portions is 1 to 5 times greater than the area of said injection port (302).

Abstract: A temporary drainage system for draining rain water that flows into a floor under construction to an outside of a building during construction of a multiple-story building includes: a flexible drainage collection hose connected to a penetration hole formed in a floor slab of the floor under construction; a sand-settling vessel provided on a floor slab of a constructed floor of the building and connected to the drainage collection hose; a drainage pit provided on a lowest floor of the building to store drainage water discharged from the sand-settling vessel through a drainage hose; and a drainage pump provided in the drainage pit. The drainage water collected into the drainage pit is discharged to the outside of the building by an operation of the drainage pump.

Abstract: A fluid valve which opens for a predetermined time before automatically closing. The valve (101) incorporates a control means including a control chamber (103), a first/inlet passageway (102) and a second/outlet passageway (120). A flow control element (104) is provided in one of the passageways (102) or (120). A biasing means (117) normally biases the valve to a first/closed position (FIG. 3). An activation means (113) is adapted to move the flow control element (104) to an activated position (FIG. 4) wherein flow of fluid is then permitted for a predetermined time.

Abstract: A hydraulic circuit (50) is provided with an oil cooler (180), a lubricating unit (200), a relief valve (210) and an oil pan (100). The lubricating unit (200) receives hydraulic oil cooled by the cooler (180) as lubricating oil and discharges the same to the oil pan (100). The relief valve (210) regulates oil pressure within an oil path (190) by discharging a portion of the hydraulic oil from the oil path (190). The oil cooler (180) is arranged upstream of the lubricating unit (200) and the relief valve (210), and cools the hydraulic oil flowing to the lubricating unit (200) and the relief valve (210).

Abstract: A pump for pumping water from a bowl of a washing machine is provided. The pump includes a housing coupled to the bowl and a cover with an aperture. The housing and the cover define an interior in fluid communication with the bowl interior via the aperture. A filter filters water entering the interior via the aperture. The filter has a profiled wall defining a volute around the aperture, and a hood disposed above the wall. The profile of the hood perimeter substantially corresponding to the profiled wall to define a profiled space between the perimeter and the profiled wall. The profiled space allows water to enter the volute but substantially prevents elongated objects entering the volute.

Abstract: A valve (61) for enabling release of pressurized steam from a pressure vessel has a displaceable closure member (67) which is maintained in its closed disposition by exposure to the pressure of the steam within the pressure vessel. The closure member (67) is displaced between its closed disposition and an open disposition by a double-acting actuator (69), suitably an air-driven piston/cylinder device, the closure member (67) being preferably mounted at one axial end of a spindle (68) extending between the closure member (67) and the actuator (69). The closure member (67) is suitably mounted for substantially metal-to-metal contact with a valve seat portion (63), without interposition of any sealing element, preferably for substantially vertical displacement between its closed and dispositions.

Abstract: A fluid collection canister including a chamber to collect fluids and a canister top disposed over the chamber. The canister top includes a bottom side facing into the chamber, including first and second ribs disposed thereon, a filter membrane attached to the first and second ribs, a first port to communicate with the chamber and a pressure source external to the chamber, and a second port to communicate with the chamber and a sensor external to the chamber. The first port is in fluid communication with a first area, which is bounded by the filter membrane, the first and second ribs and the bottom side of the canister top. The second port is in fluid communication with a second area, which is bounded by the filter membrane, the second rib and the bottom side of the canister top.

Abstract: On an inner circumference wall of a connecting pipe, a step is arranged at a lower portion of a through hole so that the inner diameter on the side of a suction port of a fuel pump is larger than that on the side of a nozzle section of a filter member. Thus, flow into the side of the nozzle section of the filter member is suppressed by making a subsidiary stream flowing from a sub channel into a confluence section not easily flow into the side having the smaller inner diameter.

Abstract: An apparatus for feeding a fuel, in particular in the form of LPG, to an internal combustion engine includes a tank (1) for containing the fuel and elements (11) for delivering the fuel from the tank to the engine. Elements (26) are provided for allowing the fuel to flow towards the delivery elements when the delivery elements (11) are engaged in the working position and for shutting off the fuel flow towards the delivery element (11) when the delivery elements (11) are disengaged and out of the working position.

Abstract: A valve having a body incorporating a filter The disclosure relates to a valve comprising a body defining a duct, a filter member defining filter passages and extending inside the duct, and a valve member mounted to move in the body between a closed position in which it closes the duct, and an open position in which it leaves the duct disengaged, the filter member comprising two filter portions having complementary profiles and secured respectively to the body and to a support element fastened inside the body in such a manner that the filter passages are defined between the facing portions of the complementary profiles.

Abstract: A deposition of bubbles or foams to an inner wall of a liquid supplying member is prevented, thereby improving ejecting performance of the bubbles or foams. In the liquid supplying member which forms a flow path for supplying a liquid to a liquid discharging apparatus, the inner wall surface has a concave/convex shape in which a mountain portion and a valley portion are repeated at a predetermined spatial frequency. Assuming that an opening diameter of a filter provided for the liquid discharging apparatus is equal to R (?m), one period f (?m) of the spatial frequency lies within a range from R or more to ?{square root over (2)}·R or less and a maximum height Ry (?m) of the mountain portion is equal to ?{square root over (2)}·R/2 or more.

Abstract: A filter device comprising a filter element (9), which can be received in a housing (1) that can be closed by means of a cover part (3) having fluid ducts (35, 41), a connecting unit being provided in order to create a fluid-conducting connection between the filter element (9) and an associated fluid duct (35) of the cover part (3), is characterized in that the connecting unit is configured in the form of a coupling having a movable coupling part (33), which in the functional state creates the fluid-conducting connection.

Abstract: A hydropower system for a body of water that may comprise a fluid intake positioned below a bed of the water body and immersed in a filter below the bed, wherein fluid flows from the water body through the filter into the fluid intake. The hydropower system may further comprise a tunnel with a first end in fluid communication with the fluid intake and a second end in fluid communication with a hydropower generator, and a fluid outlet in fluid communication with the hydropower generator.

Abstract: A valve device for a compressed air supply system, includes a control chamber to which compressed air may be supplied, a control piston plate delimiting the control chamber, a control piston that is fixed to the side of the control piston plate facing away from the control chamber. The piston protrudes into a discharge valve chamber of a discharge valve, provided with at least one compressed air connection. A valve head delimits the discharge valve chamber, which can be pressurized with the force of a spring in the direction of a valve seat and which can be lifted from the valve seat by the control piston counter to the force of the spring in order to open the discharge valve. The control piston and a valve housing surrounding the control piston define at least two regeneration valve chambers of a regeneration valve having at least one compressed air connection.

Abstract: A system and apparatus (10) is provided for processing fluid reagents (12, 14, 16, 18) comprising disposable fluid conduits and a reusable conduit support system (20). The fluid conduits are connected to at least one source of fluid and to at least one unit operation (22) such as filtration.

Abstract: A device for preventing sedimentation by regulating the flow of waste water through drain draining-wells, with or without a pump. The device has of a swirl chamber with connected outlet pipe and provided with an air injector. The swirl chamber which is tapered, generates a vortex flow in which the air added by the air injector gives the sludge particles a certain amount of buoyancy, making it easier for them to accompany the water flow without being precipitated.