Abstract: A system includes a portable liquid container having at least two chambers for containing at least two liquids separate and an apparatus having at least two separate input tubes configured for drawing liquid from the chambers. At least two separate output tubes are configured for passing at least two separate liquids to a user's mouth. A valve assembly includes a lower portion having at least two input connectors each joined to a one of the input tubes. An upper portion has at least two output connectors each joined to a one of the output tubes. An adjustable valve portion determines proportions of liquids in the separate chambers that are passed to the user's mouth where the liquids remain separate until reaching the user's mouth, and where liquids drawn back down the input tubes and the output tubes into the chambers remain substantially separated.

Abstract: A method of controlling a main fluid in a conduit using a microvalve is described. The microvalve includes a corresponding actuation aperture in an actuation aperture layer. A control fluid flows through the actuation aperture in response to an electric field applied via a charge distribution near an actuation aperture layer. In one embodiment, the electric field may adjust the opening and closing of the actuation aperture thereby controlling the flow of the control fluid. In a second embodiment, the control fluid is an electrorheological fluid where the electric field controls the viscosity of the ER fluid, thereby controlling fluid flow through the actuation aperture. In both embodiments the flow of the control fluid controls stretching of a flexible membrane into and out of the conduit, thereby controlling the flow of the main fluid by opening or closing the conduit.

Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.

Abstract: A diverter assembly (12) for use with a faucet assembly (10) including a diverter valve (78) secured to an inlet end (80) of a sprayer tube (46) and removably received within a connector (62).

Abstract: A selector valve assembly controlling the flow of different flow paths of fluid. The assembly includes a body member having a compartment with an end wall, an outlet passage in the end wall, two ports connected to the body member and communicating with the outlet passage in the end wall, and two passages communicating with the compartment. A rotatable member is sealable positioned in the compartment and has a side wall and an end wall. A first passageway extends a distance into the rotatable member from the end wall thereof and a second passageway extends through the side wall thereof and communicates with the first passageway. Rotation of the rotatable member selectively orients the second passageway with each of the two passages to cause liquid in the two passages to pass to the first and second passageways and subsequently to the outlet passage and at least one of the ports.

Abstract: A chemical liquid circuit apparatus includes a main circuit member, a sub-circuit member, and a frame member. The main circuit member has a chemical liquid channel for flowing a chemical fluid, and a main opening formed on an end of the chemical liquid channel. The sub-circuit member is mounted on and in contact with the main circuit member and applies a first load to the main circuit member. The sub-circuit member has a sealing surface for sealing the main opening from outside of the apparatus. The frame member has a storing portion for storing the main circuit member, and a connecting opening disposed in a position in communication with the main opening of the main circuit member stored in the storing portion. The shape of the frame member allows a reaction force of the first load to be transferred from the storing portion to the main circuit member.

Abstract: A valve device for connecting two conduits in a unit for conducting a product comprises a first shut-off member and a second shut-off member and a first leakage space between the first and the second shut-off members, a first connection for one of the two conduits on a side of the first shut-off member facing away from the leakage space, and a second connection for the other of the two conduits on the side of the second shut-off member facing away from the leakage space. A third shut-off member and a fourth shut-off member and a second leakage space are present between the third and the fourth shut-off members, wherein a central third leakage space is present between the second and the third shut-off members, and wherein the second connection for the other of the two conduits is arranged on a side of the fourth shut-off member facing away from the second leakage space.

Abstract: A fluid mixing device is productive, maintainable and improved in operability and reliability even without high accuracy pressure control. A fluid mixing device includes a mixing tank, supply tanks, mixing tank flow channels, valves, and branch flow channels. The mixing tank mixes at least two liquids. Each supply tank is provided for each of the liquids and supplies each liquid to the mixing tank. Each mixing tank flow channel connects each supply tank to the mixing tank. Each valve is arranged in each of the mixing tank flow channels. Each branch flow channel is connected to each of the mixing tank flow channels and is connected from the one mixing tank flow channel to the valve in the other mixing tank flow channel. Further, when the valve has pressure applied thereto from the liquid passing through the branch flow channel, the valve closes the mixing tank flow channel.

Abstract: A cover for a socket that is to be soldered to a printed circuit board is described. The socket has connections to be soldered to the printed circuit board and connections to contact a die that will be carried by the socket. The socket includes a top surface to cover the die contacts of the socket and side walls surrounding the top surface and extending toward the socket to separate the top surface from the die contacts. The top surface has a plurality of inlet vents, and the side walls have a plurality of outlet vents.

Abstract: Multilevel microfluidic devices include a control line that can simultaneously actuate valves for both sample and reagent lines. Microfluidic devices are configured to contain a first reagent in a first chamber and a second reagent in a second chamber, where either or both of the first and second reagents are contained at a desired or selected pressure. Operation of a microfluidic device includes transmitting second reagent from the second chamber to the first chamber, for mixing or contact with the first reagent. Microfluidic device features such as channels, valves, chambers, can be at least partially contained, embedded, or formed by or within one or more layers or levels of an elastomeric block.

Abstract: A control unit for a rotation mixing faucet. The control unit has a base on one side and is connected to an operating arm on the other side. The control unit includes a stationary inlet disc and a rotatable control disc. The inlet disc is connected to the base, and the control disc is connected to the operating arm such that the operating arm rotates the control disc relative to the inlet disc. The inlet disc includes a hot water inlet, a cold water inlet, and first and second outlets, wherein the operating arm independently controls the first and second outlets to adjust water temperature and to switch operation between the first and second outlets without controlling the quantity of water flow by rotating the control disc in a single degree of freedom so that water can only flow out of one of the outlets at a time.

Abstract: A point-of-use valve (POU valve) manifold is provided that allows for multiple precursors to be delivered to a semiconductor processing chamber through a common outlet. The manifold may have a plurality of precursor inlets and a purge gas inlet. The manifold may be configured such that there are zero dead legs in the manifold when the purge gas is routed through the manifold, and may provide mounting location for the POU valves that alternate sides. One or more internal flow path volumes may include elbow features.

Abstract: A hydraulic block (1), for a ship transmission system, which comprises a mounting for fixing and sealing the hydraulic control system (2), connections (4) which connect the monitoring devices, which are necessary for monitoring, and with shifting elements of the transmission for the supply of lubrication oil and the hydraulic supply, and at least one connection (5)that is shielded against oil splashes, which is connected with at least one ventilating device.

Abstract: An apparatus includes a mechanical refrigeration cycle arrangement having a working fluid and an evaporator, a condenser of adjustable surface area, a compressor, and an expansion device, cooperatively interconnected and containing the working fluid. The apparatus also includes a drum to receive clothes to be dried, a duct and fan arrangement configured to pass air over the condenser and through the drum, a sensor located to sense at least one parameter, and a controller coupled to the sensor, condenser and/or the compressor. The controller is operative to adjust the condenser to increase surface area during a steady state drying rate period of the cycle, and adjust the condenser to decrease surface area during a start transient period of the cycle, wherein adjusting the condenser to decrease surface area during a start transient period of the cycle accelerates the start transient period of the cycle.

Abstract: A valve assembly (1) included in a system for measuring differential pressures in a fluid system and where the valve assembly (1) includes a valve body (7) with an inlet (13) and an outlet (14) for connection to the fluid system, ducts (32, 33) for communication with a differential pressure sensor (12) for registration the differential pressure, a cavity (22) including a calibration cone (10) which is movable in the cavity (22) between a measuring position and a position for zero point calibration/flushing via the valve assembly (1). In instances when the measuring position of the device does not exists, the calibration cone (10) separates the differential pressure sensor (12) from the fluid system, i.e., in its initial position, and, at the same time, the valve assembly (1), in this position, is automatic flushed so as to get rid of any enclosed air in the valve assembly (1).

Abstract: A valve assembly (1) for measuring differential pressures in a fluid system where the valve assembly includes a differential pressure sensor (12) for registration of differential pressures, a first cavity (22) with a calibrating cone (10) displaceable between measuring and a zero point calibration/flushing position. The valve assembly (1) includes a valve body (7) with two connections (13, 14) and a second cavity (15) arranged with a safety valve cone (8) which protects the differential pressure sensor (12). The safety valve cone (8), by differential pressures higher than a dimensioned value, is moved in a direction towards the low pressure side and, as a result, a passage between high and low pressure side is opened, from one connection (13) to the other connection (14) via the second cavity (15) and via provided cavities (24) and recesses (25) in the safety valve cone (8), whereby a pressure equalizing occurs.

Abstract: A piping system for food and beverage process plants connecting a tank and process assembly to a pipe system via double seat valves mix-proof in the seat including valve distributor trees and the double seat has two serially disposed closing members with open and closed positions, the closing members delimiting a leakage cavity with a connection path to the surroundings of the double seat valve. A first closing member comes in sealing contact at a second closing member and transfers the second closing member into a sealed position. The second closing member having a hollow rod and a seat seal.

Abstract: A device to enhance sealing is provided. The device includes a body and a pressure cup. The pressure cup includes a channel, a first pressure channel, and a second pressure channel. The channel is formed in a surface of the body to surround a first portion of the surface. The channel is configured to hold an o-ring. The first pressure channel extends through the body and opens into the first portion of the surface. The second pressure channel extends through the body and opens into the channel. Pneumatic pressure within the second pressure channel is controlled to hold the o-ring in the channel when a second pressure within the first pressure channel changes.

Abstract: The invention concerns a system and a method of use of said system for performing fluid administration on a patient, the system comprising a liquid pump, a liquid distribution system, a liquid supply means, and patient conduit. The liquid distribution system comprises two distinct hub chambers. The first hub chamber includes at least one liquid supply port with a dedicated valve means, one patient port with dedicated valve means, and one pump inlet. The second hub chamber includes at least one patient port or warmer port with dedicated valve means and one pump outlet. The system further comprises control means arranged to close the patient port of the first hub chamber when the liquid supply port is open, and vice versa.

Abstract: This invention provides composite plastic articles and methods of making them. The articles can be fluidic or microfluidic devices having fluidic conduits and, optionally, pneumatic conduits that regulate flow in the fluidic conduits. The articles comprise a first substrate coated with a layer of a material that comprises, or onto which have been introduced, reactive groups. For example, the substrate can be a plastic coated with an oxide or a siloxane onto which hydroxyl groups have been introduced. These articles are covalently bonded with other articles comprising reactive groups on their surfaces, for example, polysiloxanes treated to have silanol groups. Certain articles have specified locations on their surfaces that are not bonded to the other piece. For example, the coating can be removed from these locations before bonding. Such locations can be useful as functional elements of various devices, such as valve seats in valves of microfluidic devices.

Abstract: Provided is a fluid flow diverting system including a housing configured with at least one fluid conduit and being selectively open or closed by a plane blade-type gate member configured with one or more openings and displaceable between at least one open position facilitating fluid flow through one or more of the at least one fluid conduit, and at least one closed position prohibiting fluid flow through one or more of the at least one fluid conduit.

Abstract: A fuel manifold for turbine engines, such as the large turbines used for generating electrical power, has a housing with straight internal porting for routing fuel and purge media streams to the combustion area of the turbine. A pressure balanced fuel valve regulates fuel using a poppet actuator. A piston section of the actuator dynamically seals off actuation pressure from the fuel. A valve section of the actuator dynamically seals off a vented area from the fuel and regulates fuel flow through the valve. The piston section has internal porting to a collector tube within the vented area for directing media leaked past the piston seal(s) to a vent port, and thereby prevent mixing of the fuel and actuation media.

Abstract: A flow control device for a bar gun manifold. The flow control device includes a sleeve and an actuating member. The sleeve is monolithically formed of an elastomeric material. The sleeve includes a cylindrical outer surface, a through hole oriented transverse to the sleeve axis of rotation, a first raised portion that encircles the sleeve and is shaped to provide a seal between the sleeve and the manifold body, and a first interface shaped to connect the sleeve to the actuating member. The actuating member includes a second interface shaped to interface with the first interface. The first and second interfaces are shaped to transfer rotation of the actuating member about the sleeve axis of rotation to the sleeve to reorient the through hole relative to a fluid passage of the manifold body.

Abstract: There is disclosed a valve assembly for a gas container capable of appropriately discharging a gas from the gas container, even if a valve of a discharge passage has a failure or the like. The valve assembly for the gas container disposed at the gas container has, as passages which allow the inside of the gas container to communicate with the outside, a filling passage which fills the gas container with the gas and a discharge passage which discharges the gas. Furthermore, the valve assembly has a filling-side valve disposed at the filling passage and configured to close this passage, a discharge-side valve disposed at the discharge passage and configured to close this passage, a communication path which connects a downstream side of the discharge-side valve to a downstream side of the filling-side valve, and a shut-off valve disposed at the communication path.

Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.

Abstract: Apparatus and methods for sharing a gas panel among a plurality of multi-zone gas feed chambers of a plasma processing chamber. Each multi-zone gas feed chamber is provided with its own multi-zone gas feed device to adjustably split the incoming gas flow into each chamber and provide the different gas flows to different zones of the multi-zone gas feed chamber.

Abstract: An indexing arrangement (10) includes a rotor (12) ; a stator (14) spaced from the rotor; a rotary seal (16) located between the rotor and the stator, with the seal being rotatable with the rotor; means for urging the rotary seal into sealing contact with the stator; ports (20, 24, 22) in the rotor, in the stator and in the rotary seal; and connecting means (26) for connecting respective ports (20) in the rotor with respective ports in the rotary seal; so that in use fluid can flow through the ports in the rotor, into the ports in the rotary seal via the connecting means, and out through the ports (24) in the stator.

Abstract: In certain embodiments, a valve assembly includes a housing. The housing can define a first fuel intake, a first fuel output, and a second fuel output. The assembly can include a valve member configured to direct fuel from the first fuel intake to either the first fuel output or the second fuel output. The assembly can further include a nozzle having a first portion and a second portion. The first portion of the nozzle can be in communication with the first fuel output, and the second portion of the nozzle can be in communication with the second fuel output. The assembly can include a compartment in communication with the nozzle, and can include one or more air intakes.

Abstract: This invention provides a chemical fluid flow channel coupling apparatus that couples and decouples chemical fluid flow channels. The coupling apparatus includes a first coupling unit; and a second coupling unit. The first coupling unit includes a first chemical fluid valve member chamber and a first valve member configured to open and close a first chemical fluid opening communicated with the first chemical fluid flow channel; and a purging fluid supply control valve configured to open and close the purging fluid supply flow channel. The second coupling unit includes a second chemical fluid valve member chamber, and a second valve member configured to open and close a second chemical fluid opening connected to the second chemical fluid flow channel; and a purging fluid discharge control valve.

Abstract: An apparatus for axially transferring fluid may comprise an elongated shaft defining a first fluid passageway axially therethrough and a second fluid passageway from an outer surface thereof to the first fluid passageway. An elongated tube member defines an outer surface that is received within the first fluid passageway and a third fluid passageway axially therethrough. A plurality of axial channels are defined between the tube member and the first fluid passageway or along the tube member separately from the third fluid passageway. At least one of the plurality of axial channels define a first opening near one end thereof that receives fluid from a source of fluid and a second opening axially spaced apart from the first opening and that aligns with the second fluid passageway such that fluid may be transferred by the at least one fluid passageway from the source of fluid through the second fluid passageway.

Abstract: A fluid apparatus unit structure in which a uniform tightening force is easily applied over the entire periphery by tightening a plurality of fastening members to obtain an advantageous sealing performance is provided. In s fluid apparatus unit structure in which plural fluid apparatus components that are connected via flow paths are collected together and integrated onto a base member, a casing member for the fluid apparatus components is partitioned into plural members in the base member mating direction, a female threading portion assembly (19) in which plural nut portions (18a) that form female threading portions that communicate in the mating direction are integrated by a linking member (18b), is fit and installed on base side partitioned members of a casing member that is disposed at a position in close contact with a base member or a base members, and with base side member interposed therebetween, different fastening members are threaded and tightened from both sides of the nut portion (18a).

Abstract: A dual fuel heating source can have a fuel selector valve for selecting between a first fuel and a second fuel different from the first. The dual fuel heating source may selectively have a regulator unit, and an outlet valve. The regulator unit can be configured to regulate the pressure of two different fuels. The outlet valve can be connected to the fuel selector valve such that selecting a fuel can determine the path fuel will flow through the outlet valve and also out of the heating source.

Abstract: A fluid transportation device includes a valve supporting module, a first fluid transportation module and a second fluid transportation module. Through the valve supporting module, the first fluid transportation module and the second fluid transportation module may be combined together in a side-by-side arrangement or a vertically-stacked arrangement. The combination of the first fluid transportation module and the second fluid transportation module can increase the flow rate and the pumping head of transporting the fluid. Moreover, the combination of two fluid transportation modules of the present fluid transportation device can be synchronously or asynchronously actuated to increase the flow rate and the pumping head of transporting the fluid. Since the additional coupling mechanism is omitted, the fabricating cost of the present fluid transportation device is largely reduced, and the overall volume of the present fluid transportation device is reduced to comply with the miniaturization requirement.

Abstract: A valve housing blank comprises a receiving space for a valve insert having a longitudinal axis. At least two first pairs of supply ducts, which are opposite to each other with respect to the longitudinal axis, extend laterally from an outer side of the blank towards the receiving space. The pairs of supply ducts, as seen in the direction of the longitudinal axis, are arranged so as to be offset relative to each other. Only one of the supply ducts is open towards the receiving space. The other supply ducts are closed off from the receiving space by a destroyable dividing wall.

Abstract: A valving arrangement for a mobile gas supply system includes a primary inlet port, a primary outlet port, a regulator, a secondary inlet port, and a secondary outlet port. The primary inlet port is adapted to be connected to a gas cylinder. The primary outlet port is in fluid communication with the primary inlet port and is adapted to be connected to one or more accessories for delivering gas from the gas cylinder. The regulator is disposed between the primary inlet port and the primary outlet port for reducing the pressure of the gas delivered by the gas cylinder to the primary inlet port. The secondary inlet port is in fluid communication with the primary outlet port. The secondary outlet port is in fluid communication with the primary outlet port and the secondary inlet port. The secondary inlet and secondary outlet ports are adapted for connecting the valving arrangement to one or more additional gas cylinders.

Abstract: Fluid-based no-moving part logic devices are constructed from complex sequences of micro- and nanofluidic channels, on-demand bubble/droplet modulators and generators for programming the devices, and micro- and nanofluidic droplet/bubble memory elements for storage and retrieval of biological or chemical elements. The input sequence of bubbles/droplets encodes information, with the output being another sequence of bubbles/droplets or on-chip chemical synthesis. For performing a set of reactions/tasks or process control, the modulators can be used to program the device by producing a precisely timed sequence of bubbles/droplets, resulting in a cascade of logic operations within the micro- or nanofluidic channel sequence, utilizing the generated droplets/bubbles as a control. The devices are based on the principle of minimum energy interfaces formed between the two fluid phases enclosed inside precise channel geometries.

Abstract: A composite material having a plurality of drainage members intersecting to provide interconnected fluid drainage paths.

Abstract: Multilevel microfluidic devices include a control line that can simultaneously actuate valves for both sample and reagent lines. Microfluidic devices are configured to contain a first reagent in a first chamber and a second reagent in a second chamber, where either or both of the first and second reagents are contained at a desired or selected pressure. Operation of a microfluidic device includes transmitting second reagent from the second chamber to the first chamber, for mixing or contact with the first reagent. Microfluidic device features such as channels, valves, chambers, can be at least partially contained, embedded, or formed by or within one or more layers or levels of an elastomeric block.

Abstract: An expandable chemical delivery system sharing a common bulk fluid inlet and bulk fluid flow path to direct a bulk fluid through one or more selected chemical eductors. Each chemical eductor is slidably insertable into an eductor port on the manifold body such that rotation of the chemical eductor is not required for installation. After installation, the orientation of the chemical eductor can be rotatably adjusted so as to avoid interference with adjacent chemical eductors. Delivery of a bulk fluid to each chemical eductor is controlled via a corresponding valve assembly that selectively allows or blocks flow of the bulk fluid from the bulk fluid flow path to the corresponding chemical eductor. The manifold body can include a plurality of individual manifold bodies approximated with a coupling system to define the bulk fluid flow path. Alternatively, the manifold body can comprise a single fabricated body for high pressure operation.

Abstract: An automatic water distributor contains a base including a chamber, a first outlet channel, a second outlet channel, and at least one inflow channel; between the chamber and the first outlet channel being defined a hole; a valve member including a valve core, the valve core including a plunger portion, a shaft portion, and a first passage, the first passage including a spout; a distributing plug retained on the top end of the shaft portion; a buffer device fixed in the chamber of the valve member and including a second passage, the second outlet channel, and a stop wall, wherein the stop wall keeps a buffer distance from the spout so that after the water sprayed from the spout flushes the stop wall, a watering reaction is forced on the plunger portion so that a downward movement of the valve core at a shifting instant is decreased.

Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.

Abstract: A connecting unit for a sanitary fitting is proposed, said connecting unit having, on one side thereof, plug-in sockets for connection to plug-in nipples of the sanitary fitting. On the opposite side, the connecting unit contains connections for the domestic installation pipes. The sanitary fitting and the connecting unit are connected by plugging in a direction parallel to the wall surface. The connecting unit may contain a flushing pipe which is designed as a continuous bore. When the connecting unit is not yet connected to the sanitary fitting, said flushing pipe can be used to flush out the pipes. Said flushing pipe is stopped from functioning when the connection between the sanitary fitting and the connecting unit is produced.

Abstract: A valve system enables use of a standard single line faucet with a water treatment system. The valve system may include a housing having ports for receiving untreated supply water, supplying water to a water treatment system, receiving treated water from the water treatment system and supplying treated water to a dispenser. The valve system includes an automatic shutoff device that prevents water from flowing into the water treatment system when the dispensing faucet is closed and allows water to flow into the water treatment system when the faucet is open. The valve system may include a pressure relief mechanism that removes pressure from the water treatment system when the faucet is closed and a check valve for maintaining a desired amount of pressure within the valve system.

Abstract: This invention discloses a ventilating apparatus which has a configuration extending along a first axis, a second axis and a third axis. The first axis, the second axis and the third axis are orthogonal to each other. The ventilating apparatus includes a main body, a tail pipe and an airtight sealing material. The main body made of porous ceramics having an outer surface. The main body has a head end and a tail end disposed along the second axis, a first aperture passing therethrough along the first axis near the head end of the main body, and a first air orifice extending along the second axis. The tail pipe has a second aperture which is connected to the first aperture of the main body. The airtight sealing material covering the outer surface of the main body with the first aperture exposed.

Abstract: The present invention is one that, while suppressing a temperature variation of simulated gas supplied to a test target, changes a flow rate of the simulated gas supplied to the test target, and provided with: a first gas supply path 2; a first gas heating part 4 that is connected with the first gas supply path 2 and heats the first gas; a simulated gas supply path 6 that supplies the simulated gas generated by heating by the first gas heating part 4 to the test target; and a simulated gas discharge path 7 that, without supplying the simulated gas generated by heating by the first gas heating part 4 to the test target, discharges the simulated gas outside, wherein by controlling a discharge flow rate of the simulated gas through the simulated gas discharge path 7, a supply flow rate of the simulated gas supplied from the simulated gas supply path 6 to the test target is controlled.

Abstract: The control valve has a body; a supply port, an output port, and a discharge port; a first pressure-sensing device; the valve body having a first valve section surface that forms a first valve seat surface; a valve seat body having a second valve seat surface that forms the second valve section surface; a second pressure-sensing device; and a solenoid section. The first effective pressure-receiving area, the first pressure-receiving area on the inner side of a portion where the first valve seat surface and the first valve section surface are in contact with each other, and the second pressure-receiving area on the inner side of a portion where the second valve seat surface and the second valve section surface are in contact with each other are set to be substantially the same, and the second effective pressure-receiving area is set greater than the first effective pressure-receiving area.

Abstract: An even-flow tee arrangement for use with a septic system consists of a tee connector having top and bottom section cemented together. The bottom section includes a splitter plate extending from the tee-shaped exit end to two pairs of directional vanes proximate the entrance end of the tee connector.

Abstract: Embodiments of the invention provide a control valve assembly and method of operating in a blend position at which a supply fluid and a treated fluid are combined into a blended fluid that is directed from the control valve assembly to establish multi-port blending. The control valve assembly is adjustable to accommodate fluctuating demand for treated fluid.

Abstract: This invention discloses a ventilating apparatus which has a configuration extending along a first axis, a second axis and a third axis. The first axis, the second axis and the third axis are orthogonal to each other. The ventilating apparatus includes a main body and a tail pipe. The main body has a head end and a tail end disposed along the second axis, two sidewalls disposed along the third axis, and the first aperture along the first axis. The ventilating apparatus further includes a first air orifice which extends along the second axis and passes through from the tail end to the first aperture, and the bypassing air orifices which connect the first air orifice and the first aperture. The tail pipe has a second aperture which is connected to the first aperture of the main body.

Abstract: Apparatus includes a first and second conduits configured to form an annulus between them. An adjustable structure includes a body having an upper surface, a lower surface, and a circumferential surface abutting a portion of the internal surface of the second conduit. The structure is adjustable axially in relation to and removably attached to the first conduit via a hub. The hub defines a central passage for fuel or oxidant. The body has one or more non-central through passages configured such that flow of an oxidant or fuel therethrough causes the fuel or oxidant to intersect flow of fuel or oxidant exiting from the central passage in a region above the upper surface of the body.