Abstract: A hydraulic control system for a transmission includes a first source of pressurized hydraulic fluid, a second source of pressurized hydraulic fluid, a lubrication subsystem for communicating a pressurized hydraulic fluid through the transmission, and a fluid control device in communication with the first source of pressurized hydraulic fluid. A lubrication regulation valve is in communication with the first and second sources of pressurized hydraulic fluid, the fluid control device, and the lubrication subsystem.

Abstract: A commercial hot water system includes a boiler, a storage tank, and a hot water delivery line connected between the storage tank and at least one plumbing fixture along with a cold water delivery line connection between said plumbing fixture, a cold water source and said boiler. A pump, interconnected between the hot and cold water delivery lines, enables circulation of water to the fixtures. A timer and controller provides for turning on the pump and a temperature sensor, connected to the controller, is effective in stopping the pump to prevent heated water from being circulated through the cold water line.

Abstract: A system for providing pressurized hydraulic fluid includes a pump. A bypass valve assembly includes an inlet port in communication with the pump and an outlet port in communication with an accumulator. The pump and the accumulator are both in communication with a hydraulic control system that controls, lubricates, and cools a transmission of a motor vehicle. The bypass valve assembly has a valve moveable between at least a two positions. The bypass valve assembly is operable to bypass the accumulator when the vehicle is first started such that the pump charges the hydraulic control system before charging the accumulator. The accumulator provides pressurized hydraulic fluid to the hydraulic control system after vehicle start.

Abstract: A hydraulic fluid supply system includes an active pressure regulator or feed limit valve with a flow cut-off which may be used with dual clutch transmission hydraulic control systems. The supply system includes a pump, a filter, pressure relief and filter bypass valves, an accumulator, a system pressure sensor and the active feed limit valve. The active feed limit and flow cut-off valve includes an on-off solenoid valve and a spool or logic valve having an inlet port, an outlet port, a control port, a feedback port and an exhaust port. The inlet port is supplied with pressurized hydraulic fluid and the control port is supplied with hydraulic fluid from the solenoid control valve when it is energized. A valve spool having a pair of spaced-apart lands is biased toward the control port. One side of a check valve is in fluid communication with the feedback port.

Abstract: A process fluid handling device is provided in an electrochemical cell system having a sealing system assembly between a process fluid compartment and a drive compartment of the fluid handling device. The sealing system comprises a double seal configuration forming an interconnection compartment which is supplied with barrier fluid. The present invention provides isolation of pressurized process fluids from the drive compartment.

Abstract: An integrated control valve body and hydraulic pump for an automatic transmission provides improved efficiency and space utilization. The invention includes a control valve body having a plurality of control valves and passageways and an internal cavity having an inlet and an outlet, a pump rotor received within the internal cavity and having a plurality of radially and axially extending slots, radially moveable vanes and a shaft, and means for transferring drive energy from a drive shaft extending between an output of a torque converter and an input of the transmission to the shaft of the hydraulic pump. The means for transferring drive energy may be a pair of chain sprockets and a chain, a pair of spur or helical gears or other inter-axis power transfer components and may effect a speed increase or reduction.

Abstract: A condensate pump for an HVAC system includes a reservoir for collecting condensate water, a pump motor connected to an impeller pump for pumping the condensate water out of the reservoir, and a floatless pump control module. The floatless pump's microcontroller detects the water level in the reservoir and, based on the water level in the reservoir, controls the operation of the pump motor, and if necessary, sounds an alarm and shuts down the HVAC system. The floatless pump microcontroller may employ an ultrasonic transducer or capacitance sensors to detect the level of condensate water in the reservoir. The microcontroller implements a variable water lift feature to pump the water using the lowest possible speed for the pump. The microcontroller implements a self-cleaning feature to pump stagnant water out of the reservoir and to pulse water in the drain line and the agitation of the water in the reservoir.

Abstract: A highly precise and extremely compact metering unit for fluid media has a pump, two valves, and a fluid communication base with two ports, pump and valve channels, and a pump chamber. The pump is mounted on the pump chamber. The pump channels communicate with the pump chamber and the valves. The valve channels communicate with the valves and the ports. The pump and the two valves are arranged one beside the other on the same side of the fluid communication base.

Abstract: A hydraulic supply system (10) for a tractor is provided comprising a hydraulic pump (P) and a support plate (13) mounted on the exterior of a tractor chassis (14). One or more fluid flow control valves (17a,17b, 17c,27,28,29,31) or other consumers are mounted on the support plate (13) which are fed with fluid from the pump (P) via passages (12a,12c) in the support plate. The separate support plate reduces the number of hydraulic pipes required thereby improving space availability and assembly costs.

Abstract: An apparatus comprising: a series of units, each being capable of producing a volume flow; a first channel for supplying hydraulic fluid into the apparatus; a second channel for supplying hydraulic fluid from the apparatus; a first series of valves comprising at least one controlled valve for each unit; a third channel for supplying hydraulic fluid from the apparatus; and several controlled auxiliary valves, each being provided for one unit. The control circuit also comprises: at least one actuator for converting hydraulic energy to mechanical energy, wherein said actuator is at least connected to either the second channel or the third channel; and a control device configured to synchronize the operation of the valves of the first series of valves and said auxiliary valves with the operation of said units, and to control the actuator by means of pressure and volume flow.

Abstract: A method for operating an engine direct injection fuel system is provided. The direct injection fuel system includes a mechanical fuel pressure regulator that has a spring actuatable by an electric motor. The method includes adjusting a preload of the spring by operating the electric motor to adjust a set-point fuel pressure from a first set-point fuel pressure to a second set-point fuel pressure in response to an operating condition, and maintaining the preload of the spring mechanically when the electric motor is not operating.

Abstract: The fluidic system with an unclogging feature of the preferred embodiment includes a flow channel, a sheath pump to pump sheath fluid from a sheath container into an interrogation zone, and a waste pump to pump waste fluid from the interrogation zone into a waste container. The sheath pump and/or the waste pump draw sample fluid from a sample container into the interrogation zone. The fluidic system also includes a controller to adjust the flow rate of the sample fluid from the sample container into the interrogation zone. The pump and controller cooperate to propagate a pulsation through the flow channel from the pump if the flow channel is clogged. The fluidic system is preferably incorporated into a flow cytometer with a flow cell that includes the interrogation zone.

Abstract: A vacuum assist pump system includes a vacuum assist pump for assisting to a brake system by vacuum, wherein it includes a suction compensation pump connected with the vacuum assist pump. Advantageously, a vacuum compensation reservoir is arranged between the vacuum assist pump and the suction compensation pump. The vacuum compensation reservoir comprises a vacuity sensor for its internal vacuity and two interfaces. One of the two interfaces communicates to the suction compensation pump, the other communicates to the vacuum assist pump.

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: An automatic pump control device for an injection pump used to inject fluid (typically methanol) into oil or natural gas wells to prevent freezing. The device enables the pump to operate at rates as low as one full stroke per 1.5 minutes (i.e., 0.67 stroke/min), substantially slower than current rates of approximately fifteen strokes per minute. The device comprises a main body; an extension air pilot; a retraction air pilot; a toggle mechanism that actuates the extension air pilot to extend the pump piston, that at the end of the extension stroke actuates a retraction air pilot to retract the pump piston, and that automatically continues the two stroke cycle; a drive mechanism for driving the toggle mechanism; an overstroke mechanism to prevent over driving the retraction air pilot at the end of its stroke; an optional stroke speed adjustment valve; a circuit to circulate and transport a gas; and piston, spool, and sleeve for switching the path of the gas.

Abstract: A radial fan, in particular for a gas burner, for premixing air and gas, comprising a housing with a radial fan wheel disposed therein, and a regulation valve for regulating a gas volume, which comprises a valve seat, wherein the valve seat of the regulation valve is formed by a portion of the housing.

Abstract: An infusion pump includes an actuator having an output shaft; a pump actuator having a length lactuator moved by the output shaft and in contact with tubing, such that the pump actuator at an output shaft actuated distance x creates flat contact areas with the tubing, and wherein remaining non-contact areas of the tubing are at least substantially circular in shape; and a logic implementer configured to use at least two relationships to solve for a same number of variables to calculate a cross-sectional area of the tubing at an output shaft actuated distance x.

Abstract: The inclination of the suction reed at the time of sucking the refrigerant can be increased when L/S is not more than 0.25 where S (mm2) represents the area within the periphery of the suction valve seat of the suction reed, and L (mm) represents the length between the support end and the tip on the opening/closing part side of the suction reed. The increased inclination of the suction reed smoothes the flow of the refrigerant into the cylinder bore from the inside of the suction valve seat so as to reduce the suction resistance and the clearance volume, thereby reducing the re-expansion loss. As a result, the refrigerant flow is increased to increase the volumetric efficiency, thereby improving the freezing performance of the hermetic compressor.

Abstract: A control device for an industrial vehicle including an electric storage device, a load device, a hydraulic pump, and a load motor is disclosed. The electric storage device stores regenerative power generated through regenerative braking performed by the travel motor. The hydraulic pump supplies a hydraulic circuit with hydraulic oil to operate the load device. The load motor drives the hydraulic pump. The control device includes a power control unit and a resistance flow passage. The power control unit executes control for supplying the load motor with the regenerative power when the electric storage device is in a fully charged state during regenerative braking performed by the travel motor. The resistance flow passage is arranged in the hydraulic circuit and enables passage of hydraulic oil while applying flow resistance to the hydraulic oil.

Abstract: Apparatuses, methods and systems for liquid flow control and beverage preparation are disclosed. The apparatuses, methods and systems of the present invention include liquid flow control and beverage preparation capsules, pods, cartridges, pouches, systems, and modules for controlling and directing flow streams of liquid through a beverage preparation process. The apparatuses, methods and systems of the present invention may be used in combination with or included as an integral assembly of any apparatus, method or system for liquid dispension.

Abstract: A vapor delivery system for delivering a steady flow of sublimated vapor to a vacuum chamber comprises a vaporizer of solid material, a mechanical throttling valve, and a pressure gauge, followed by a vapor conduit to the vacuum chamber. The vapor flow rate is determined by both the temperature of the vaporizer and the setting of the conductance of the mechanical throttle valve located between the vaporizer and the vacuum chamber. The temperature of the vaporizer is determined by closed-loop control to a set-point temperature. The mechanical throttle valve is electrically controlled, e.g. the valve position is under closed-loop control to the output of the pressure gauge. In this way the vapor flow rate can be generally proportional to the pressure gauge output. All surfaces exposed to the vapor from the vaporizer to the vacuum chamber are heated to prevent condensation.

Abstract: A gas supply system 20 for supplying a gas into a pumping system 10 is provided, the pumping system including a plurality of pumping means 14, 16, the gas supply system comprising a gas inlet 22 and plurality of gas conduits 24, 25 fluidly connected to the gas inlet and each having a gas outlet 27, 28 fluidly connectable to the pumping system 10, wherein the gas outlets of the plurality of gas conduits are in parallel fluidly connectable to the pumping system and each gas conduit is provided with a gradient adjustment means adapted to provide at least one gradient of gas amount supplied to the pumping system.

Abstract: Into a vacuum pump device arranged for suctional intake of a process gas (38) possibly comprising reactive particles (40), oxygen in the form of air or pure oxygen is supplied in a controlled manner via an oxygen intake (26, 26a,26b). Thus, controlled oxidation takes place in the compression chamber (24) such that the dust cannot self-ignite in case of sudden ventilation.

Abstract: The present invention provides a liquid ejection apparatus capable of precisely controlling a flow rate of liquid in a flow-path. The liquid ejection apparatus is equipped with: an ejection head that is provided with a feed port and a discharge port, and that ejects fed liquid; a feed flow-path that feeds liquid to the feed port; a discharge flow-path that discharges liquid from the discharge port; at least one of the feed flow-path and/or the discharge flow-path equipped with a main pump that pumps a constant flow rate of liquid in the flow-path, a sub pump provided in parallel to the main pump and that pumps liquid in the flow-path, and a detector unit that detects liquid pressure in the flow-path; and a control unit that controls the flow rate of liquid pumped by the sub pump such that the pressure detected achieves a predetermined pressure.

Abstract: To provide a piezoelectric pump including: a structure including a piezoelectric element and a support member that supports the piezoelectric element; and a first substrate and a second substrate that sandwich the structure, wherein the piezoelectric pump has: a pump chamber surrounded by the second substrate and the structure; and a first opening and a second opening that are communicated with the pump chamber, and wherein a space is provided so that the structure flexes in a direction opposite to the pump chamber according to an operation of the piezoelectric element.

Abstract: A compressed air supply system for motor vehicles includes a compressor, control electronics, an air dryer having an inlet channel for non-dried compressed air, an outlet channel for the dried compressed air, and a dehumidification device through which the compressed air to be dried can flow, a pressure regulator having an outlet valve for controlling the compressor between an idle phase and a load phase, a multi-circuit safety valve that is connected to the outlet channel of the air dryer via a compressed air line, and over-flow valves for the individual circuits, a regeneration valve and a moisture sensor for detecting the atmospheric moisture in the compressed air flowing in the compressed air line. To reduce the detrimental effects of admixtures and components of the compressed air on the moisture sensor, the moisture sensor is located in a bypass channel of the compressed air line.

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 high efficiency fluid delivery system which is particularly useful in delivering temperature-controlled air in convection heating or cooling apparatuses is described. The fluid delivery system preferably comprises fluid circulation means having an intake opening for the fluid and vanes that assist in increasing fluid velocity and reducing turbulent flow.

Abstract: An arrangement is provided for feeding a liquid additive from a receptacle into a fuel line or into an exhaust line of an internal-combustion engine of a motor vehicle by way of a blockable feed line leading into at least one of the above-mentioned line and by way of a pump which at least temporarily generates a feed pressure in the feed line. The receptacle can be filled with additive from a larger storage tank also accommodated in the motor vehicle by way of a connection line that can be blocked. The feed line branches off the connection line between the receptacle and the storage tank. The pump is installed in the receptacle or between the receptacle and the branching-off of the feed line into the connection line. The connection line can be shut-off in the storage tank or between the storage tank and the branching-off of the feed line.

Abstract: An integrated pumping module for use in a thermal management system, for example for a fuel cell. The integrated pumping module includes a diverting or mixing valve closely coupled to a pump element, such as the volute chamber of a centrifugal pump. The valve chamber and the pump chamber are closely and directly coupled through a connecting passage so as to minimize pressure drop as a liquid coolant passes through the connecting passage from the valve chamber to the pump chamber. A bypass inlet and outlet opening are provided in the valve chamber to permit all or a portion of the coolant flow to be diverted to a radiator once the coolant reaches a predetermined temperature. The integrated pumping module may also be provided with a filter housing into which a portion of the coolant flow may be diverted.

Abstract: A sailboat, which include an extendable keel having a moveable inner member positioned within a fixed keel and a control system for lowering or retracting the inner member.

Abstract: An apparatus (1) for the application of a composition curable by irradiation to a fastener (2) having: a conveyor (3) for conveying fasteners to an application station (5); an application station (10) comprising an applicator from which the composition is dispensed. The conveyor rotates the fasteners past the applicator for application of composition. The same or another conveyor (8) conveys the fasteners to an irradiation station (10) and rotates the fasteners for irradiation thereof. The irradiation station irradiates and thus cures the composition applied to each fastener.

Abstract: A vacuum processing apparatus capable of attaining compatibility between the decrease for the number of foreign particles deposited on a sample in a lock chamber and improvement of the throughput, in which an open speed controllable valve is disposed and the depressurization speed can be controlled automatically by a controlling computer.

Abstract: A fuel cell system and a flow control mechanism thereof are provided. The fuel cell system includes a plurality of fuel cells and the flow control mechanism. The flow control mechanism includes a distributing device and a confluence device, and the cells are stacked between the distributing device and the confluence device. The distributing device or the confluence includes at least one inlet, at least one outlet, at least one passage and at least one buffering section. The passage communicates with the inlet and the outlet. The buffering section is disposed in any position of the passage. The buffering section and the inlet are on different levels.

Abstract: A space necessary to install an exhaust pump and a driving portion for a gate valve is reduced to make an entire apparatus compact. A vacuum processing apparatus includes a vacuum chamber, an exhaust pump communicating with the exhaust port of the vacuum chamber, and a gate valve having a valve body which moves in a direction to come close to and separate from the exhaust port and opens/closes the exhaust port. The vacuum chamber is provided with a connecting portion extending from the exhaust port in a direction inclined from the moving direction of the valve body. The connecting portion is connected to the exhaust pump. The gate valve includes the valve body arranged in the vacuum chamber, and a driving portion having a rod which extends in the moving direction of the valve body and drives the valve body. The driving portion is arranged outside the connecting portion.

Abstract: A system is disclosed for the control of fluid flow in a micro-fluidic system, the system having: a substrate; at least one micro-fluidic channel having disposed in a microchannel layer atop the substrate; a conformable layer disposed on the micro-fluidic layer; a receiving cavity disposed within the at least one micro-fluidic channel; at least one occluding member disposed within the conformable layer, and configured to be received by the receiving cavity so as to occlude the micro-fluidic channel when depressed by an actuator.

Abstract: A hydraulic supply system for a hydraulically-operated automatic transmission includes a primary pump that is driven by an internal combustion engine of a vehicle. An electrically-driven auxiliary pump is provided to supply the system with hydraulic pressure when the primary pump is off or to supplement the primary pump when the primary pump does not deliver sufficient pressure. A discharge line from the auxiliary pump is connected to a control line of the hydraulic supply system and to the hydraulic system supply line under system pressure. Check valves are provided in the respective lines from the auxiliary pump. An additional check valve is provided in a line that extends from the control line to a torque sensing chamber of the automatic transmission.

Abstract: A method of operating a controller for a pool pump motor includes the steps of setting an operating mode for the pool pump motor, setting a torque value for the pool pump motor corresponding to the operating mode, setting a high operating threshold and a low operating threshold corresponding to the torque value, operating the pool pump motor in a constant torque mode using the torque value, monitoring an operating parameter of the pool pump motor corresponding to a load on the pool pump motor, discontinuing operating the pool pump motor when the operating parameter is higher than the high operating threshold or lower than the low operating threshold and signaling a pool pump motor fault upon the discontinuing operating the pool pump motor. The operating parameter of the pool pump motor is RPM or current supplied to the pool pump motor. Additionally disclosed are energy efficient pool hydraulic design techniques that increase the energy efficiency of hydraulic systems.

Abstract: A precision flow controller is capable of providing a flow rate less than 100 microliters/minute and varying the flow rate in a prescribed manner that is both predictable and reproducible where the accuracy and precision of the flowrate is less than 5% of the flow rate. A plurality of variable pressure fluid supplies pump fluid through a single outlet. Flowmeters measure the flow rates and a controller compares the flow rates to desired flowrates and, if necessary, adjusts the plurality of variable pressure fluid supplies so that the variable pressure fluid supplies pump fluid at the desired flow rate. The variable pressure fluid supplies can be pneumatically driven.

Abstract: A system and method for metering fuel is provided which includes a fuel supply line and a metering valve in fluid connection with the fuel supply line to control a flow of fuel through the fuel supply line. The valve is movable into a closed position to block a primary flow of fuel and create a leakage fuel flow in the fuel supply line downstream of the metering valve. The system also includes a venturi apparatus fluidly coupled to the fuel supply line upstream of the metering valve. The venturi apparatus is further coupled to the fuel supply line downstream of the metering valve to direct the leakage fuel flow out of the fuel supply line.

Abstract: An air compressor includes a tank configured to contain compressed air, an inlet configured to receive compressed air from the tank, an outlet, and a control device, positioned between the inlet and the outlet, configured to regulate an output pressure of compressed air discharged through the outlet. The control device includes a housing having a chamber, and a pressure regulator in fluid communication with the chamber. The pressure regulator is configured to regulate discharge of compressed air through the outlet. The control device also includes a mechanical valve which, when opened, is configured to fluidly communicate the chamber and the tank to adjust the pressure regulator, and an actuator coupled to the mechanical valve. The actuator is configured to at least selectively open the valve.

Abstract: A drain protection device and pump controller for pools, spas, fountains and other fluid containment and circulation systems has a vacuum sensor for sensing a level of vacuum present in the suction conduit leading to the pump(s). The vacuum level is monitored by a computer that controls a vent valve and the pump(s) to reduce the vacuum exerted at a drain. Vacuum criteria may be adjustable and empirically based. Control and monitoring may be verified.

Abstract: A pump has a body and a pressurizing barrel. The body has an outlet tube and a magnetic check valve mounted in the outlet tube to prevent a back-flow current from damaging an impeller mounted inside the body. When closed, the magnetic check valve actuates a magnetic switch to signal external devices. The pressurizing barrel has a tank containing liquid for compensating a pressure in the body and a casing. The casing is externally mounted on the pressurizing barrel and defines a notch for receiving a circuit board and has a detachable cap to facilitate maintenance of the circuit board. Accordingly, the pump effectively prevents impeller and motor damage due to the back-flow current. Moreover, the casing facilitates maintenance of the circuit board.

Abstract: A fluid controller apparatus controls fluid flow, such as a solvent gradient flow, in a chromatography system. An apparatus includes a fluid-gradient controller having a fluid reservoir for containing a pump fluid and a pumping device connected to the fluid reservoir for receiving the pump fluid. The pumping device is in fluid communication with parallel-configured first and second solvent lines. The first and second solvent lines each contain a restrictor element and a solvent reservoir. During operation, the pumping device causes the pump fluid to flow through the first and second solvent lines in relation to their respective restriction devices. The pump fluid displaces solvent within the solvent reservoirs. The displaced solvent is mixed to form a solvent gradient.

Abstract: A pump assembly includes a housing and first and second valves. The housing has a fluid inlet port and a fluid outlet port. The first and second valves are substantially identical valves both including a mounting portion, a valve seat and a valve body. The mounting portion has a first end and a second opposite end. The first and second ends are both selectively mountable to a conduit defining a fluid path. The valve seat is interconnected to the mounting portion. The valve body is interconnected to at least one of the mounting portion and the valve seat for movement relative to the valve seat between a seated position and a closed position. The valve body includes a first side and a second side and is operative to seal against back flow from the first side and open to positive pressures on the second side. The first valve is mounted to the fluid inlet port with the first end such that the first valve normally functions to only permit fluid to flow into the housing.

Abstract: Pumps and flow regulators provide relatively constant and known flow volume over time while maintaining isolation of the flow material. The pumps of the present disclosure provide real time monitoring of the volume of flow material delivered over time, and provides for adjustment of the pump or flow regulators to modulate the flow rate. Thus, flow may be substantially modeled to a desired flow profile with real time adjustments of the flow rates.

Abstract: Disclosed are a fluid control system and method of controlling operating pressures within a fluid system, where the fluid control system includes a choke assembly, a pressure generating device, and a linear motor. The choke assembly may include a housing and a choke member adapted for movement in the housing, controlling the flow of a fluid from an inlet passage to an outlet passage. The fluid applies a force on a first end of the choke member. The pressure generating device may be fluidly connected to a chamber and may contain a control fluid that applies a first force on a second end of the choke member. The linear motor may apply a second force on the second end of the choke member. The difference between the forces applied to the first and second ends of the choke member may affect the movement of the choke member in the housing.

Abstract: A hydraulic system is disclosed. The hydraulic system includes a source of pressurized fluid, a low pressure source, and a plurality of actuators. The hydraulic system also includes a plurality of valves configured to selectively communicate fluid to and from the plurality of actuators. The hydraulic system further includes a first valve disposed downstream of the plurality of valves. The first valve is configured to communicate fluid from the source of pressurized fluid toward the low pressure source.

Abstract: A flow cytometer is provided which includes an interrogation flow cell and a plurality of assay fluidic lines extending into the interrogation flow cell. A method of operating such a flow cytometer includes priming the interrogation flow cell with a sheath fluid and injecting different assay fluids into a flow of the sheath fluid through the plurality of fluidic lines. A fluidic line assembly is provided which includes a plurality of capillary tubes coupled to a base section configured for coupling to an interrogation flow cell assembly of a flow cytometer. The capillary tubes are dimensionally configured such that when the fluidic line assembly is arranged within the flow cytometer and fluid is dispensed from one or more of the capillary tubes at a given pressure differential with respect to an encompassing sheath fluid within the interrogation flow cell the fluid is substantially centrally aligned within the interrogation flow cell.

Abstract: An inflatable product that includes a chamber and an electric air pump for inflating the chamber. The air pump has an air intake and an air outlet. The air intake is connected to the outside of the chamber and the air outlet is connected to the inside of the chamber when the air pump is moved to a first position. The air intake is connected to the inside of the chamber and the air outlet is connected to the outside of the chamber when the air pump is moved to a second position.