Abstract: A process for operating a heater that can be operated with hydrocarbon fuel, especially for a vehicle includes providing a substoichiometric air/fuel mixture in a precombustion chamber (18) for a combustion operation and performing a cold flame combustion in the precombustion chamber (18). The precombustion products forming in the precombustion chamber (18) during the cold flame combustion are supplied to a catalyst arrangement (32) and a partial catalytic oxidation is performed for producing a gas containing hydrogen and carbon monoxide. The gas produced during the partial catalytic oxidation is supplied to a main combustion chamber (34) for producing a hydrogen/carbon monoxide/air mixture. The hydrogen/carbon monoxide/air mixture is burned in the main combustion chamber (34).

Abstract: Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. Forced entry of residuals from a late burning cylinder into a neighboring cylinder may be detected based on engine block vibrations sensed in a window during an open exhaust valve of the late burning cylinder. In response to the entry of residuals, a pre-ignition mitigating action, such as fuel enrichment or deactivation, is performed in the neighboring cylinder.

Abstract: An operating mode of an internal combustion engine, in particular a directly injected internal combustion engine featuring a plurality of combustion chambers, in particular for a direct-injection gasoline engine for a motor vehicle, an operating mode having at least in part low-NOx combustion (NAV) and having a plurality of partial operating modes wherein it is switched between another partial operating mode and a NAV partial operating mode, wherein in the case of said NAV partial operating mode, at an ignition point (ZZP) a largely homogeneous, lean fuel/exhaust gas/air mixture having a combustion air ratio of ??1 is spark ignited in the respective combustion chamber by means of an ignition device, and where a flame front combustion (FFV) initiated by the spark-ignition transitions to a controlled auto-ignition (RZV). The operational stability of the respective partial operating mode can be improved by variation of the compression ratio ?.

Abstract: Provided is a control device for a multi-cylinder internal combustion engine, including: a supercharger to be driven by exhaust gas energy; and a fuel injection control unit, in which the fuel injection control unit sets a fuel injection amount for one cylinder so that an air/fuel ratio in the one cylinder is richer than a theoretical air/fuel ratio, and exhaust gas exhausted when the one cylinder is in an exhaust stroke and scavenging gas scavenged during a valve overlap period from another cylinder which is in an intake stroke when the one cylinder is in the exhaust stroke are mixed in an exhaust pipe so as to attain an air/fuel ratio facilitating combustion.

Abstract: Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. In response to a late burn combustion event in a cylinder, ignition coil dwell time is extended in the cylinder to reduce unintended combustion delays. In addition, pre-ignition mitigating actions are performed in a neighboring cylinder that may be prone to pre-ignition induced by the late combustion event.

Abstract: A vehicle includes an engine, a slip ratio calculating unit, a target torque calculating unit, a fuel cut pattern determining unit, and a fuel cut control unit. The vehicle also includes a traction control system which includes an average output torque predicting unit and a fuel cut pattern correcting unit configured to correct the remaining fuel cut pattern during a unit section by judging the overage and shortage of generation of an output torque of the engine by comparison of the average output torque and the target torque.

Abstract: Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. Forced entry of residuals from a late burning cylinder into a neighboring cylinder may be detected based on engine block vibrations sensed in a window during an open exhaust valve of the late burning cylinder. In response to the entry of residuals, a pre-ignition mitigating action, such as fuel enrichment or deactivation, is performed in the neighboring cylinder.

Abstract: An object of the present invention is to obtain a merit by intake stroke injection in a wider operation range while efficiently exploiting a merit of compression stroke injection in an internal combustion engine having a cylinder fuel injection device. For this purpose, a fuel injection control device provided by the present invention sets an injection sharing ratio of a quantity of a fuel which is injected in an intake stroke, and a quantity of a fuel which is injected in a compression stroke, in accordance with an operating state or an environmental condition of the internal combustion engine, and manipulates the cylinder fuel injection device so as to inject a part or all of a required fuel in the intake stroke and inject a remaining part in the compression stroke, in accordance with the set injection sharing ratio.

Abstract: An injection device for an internal combustion engine having a first injection system for injecting fuel having a first fuel composition, and a second injection system for the injection of fuel having a second fuel composition that has a lower ethanol component than the first fuel composition, the first injection system having at least one first fuel injector for injecting fuel having the first fuel composition both in the direction of a first intake orifice of a combustion chamber of the internal combustion engine, and in the direction of a second intake orifice of the combustion chamber, in which the second injection system has a second fuel injector for injecting fuel having the second fuel composition essentially only in the direction of the first intake orifice, and a separate third fuel injector for injecting fuel having the second fuel composition essentially only in the direction of the second intake orifice.

Abstract: There is provided a gas engine fuel gas supply device in which a fuel gas flows along the axial direction on the outer circumferential side of an inlet valve rod, and is supplied into the inlet path in a cylinder head. In the device, in the inner circumferential surface of a sleeve slidably fitted with a projection, the projection being a portion of the inlet valve rod, there is provided a suction hole situated within the region of movement of the projection, and to be opened and closed in response to the movement of the inlet valve rod, and a fuel gas injection hole is formed in the bottom end face of the sleeve communicating with the suction hole. The device is characterized in that the sleeve is disposed so as not to protrude into the inlet path.

Abstract: A hydraulically intensified fuel injection system comprises a hydraulic fluid accumulator, an adapter, and an injector connecting tube. The hydraulic fluid accumulator has a fluid outlet and is adapted to contain a volume of pressurized hydraulic fluid. The adapter is disposed partially within the fluid outlet of the hydraulic fluid accumulator. The adapter has an first opening provided in fluid communication with the fluid outlet of the hydraulic fluid accumulator. The first opening of the adapter has a recessed groove. The injector connecting tube is disposed at least partially within the first opening of the adapter. The injector connecting tube has an upper portion and a lower portion. The upper portion is adapted to deflect outward to reduce a gap between the injector connecting tube and the first opening of the adapter. The injector connecting tube has an second opening formed through the upper portion and the lower portion.

Abstract: A fuel injection system for a reciprocating engine, comprising injectors for injecting pressurized fuel into the cylinders of the engine, a high pressure pump for pressurizing fuel to be injected, a supply pipe for feeding fuel from the high pressure pump toward the injectors and feed pipes for feeding fuel from the supply pipe to the injectors. The first ends of the feed pipes are connected to the injectors and the second ends to the supply pipe. Each fuel injector is provided with a pressure accumulator.

Abstract: A coaxial quill assembly is used for supplying gaseous and liquid fuels from separate common rails to individual fuel injectors of a compression ignition engine. Each coaxial quill assembly includes a matched pair of an outer quill and an inner quill that are matched based upon a fuel system dimensional specification that causes both the inner and outer quills to sealingly engage a common conical seat of a fuel injector. During pre-installation handling, the matched pair of inner and outer quills are retained together with a retainer.

Abstract: A system for a vehicle includes a voltage measuring module, a second derivative module, a closing period module, and an injector driver module. The voltage measuring module measures first and second voltages at first and second electrical connectors of a fuel injector that injects fuel directly into a cylinder of an engine. The second derivative module determines a second-order derivative of a difference between the first and second voltages. The closing period module determines a closing period of the fuel injector based on the second-order derivative of the difference. The injector driver module selectively adjusts closing of the fuel injector based on the closing period.

Abstract: An injection valve may have a nozzle body with a longitudinal axis, in which a nozzle body aperture and at least one injection opening are arranged, wherein the nozzle body aperture can be coupled hydraulically to a high-pressure circuit for a fluid, at least one nozzle needle arranged in an axially movable manner in the nozzle body aperture, wherein the nozzle needle prevents fluid flow through the at least one injection opening in a closing position and allows fluid flow through the at least one injection opening outside the closing position, an actuator housing, which is designed to accommodate an actuator designed to act on the nozzle needle, and at least one fluid line, which is designed for hydraulic coupling to the high-pressure circuit for the fluid and is constructed and arranged separately from the actuator housing, and is directly coupled hydraulically to the nozzle body aperture.

Abstract: Systems and methods for compensating for nozzle coking in fuel injection system include creating expected fuel flow rate formula for selected fuel injection nozzle, operating selected fuel injection nozzle for a time, measuring fuel pressure and injector control valve on-time of fuel injection nozzle during operation, determining expected fuel flow ate for measured fuel pressure and injector control valve on-time, measuring actual fuel flow rate of fuel injection nozzle, determining coking condition of fuel injection nozzle, and automatically altering injector control valve on-time to compensate. Expected fuel flow rate formula is determined as function of fuel pressure and injector control valve on-time, while actual fuel flow rate is measured by flow rate sensor attached to injection system. Sometimes, coking condition determination is based on difference between actual fuel flow rate and expected flow rate.

Abstract: Diesel opposed piston engines, optionally with variable compression ratio and/or turbocharging, can provide improved fuel efficiency by adapting a compression ratio of the engine in accordance with an engine load such that larger compression ratios are used for smaller loads and smaller compression ratios are used for larger loads. Turbocharging can provide improved efficiency at the smaller compression ratio operating conditions. Optionally, one or more current engine parameters can be modified to maintain a peak combustion chamber temperature below a threshold temperature at which an acceptable level of nitrogen oxide pollutants (NOX) is expected to be formed. One or more swirl inducing features can be included on piston crowns in an opposed piston engine. Methods, systems, articles of manufacture, etc. are described.

Abstract: A fuel injection device of a direct injection engine is provided. The device includes an engine body, a fuel injection valve, and a controller for controlling a fuel injection by the fuel injection valve. The fuel injection valve has a nozzle hole, a valve body for opening and closing the nozzle hole, and first and solenoid coils for stroking the valve body by first and second stroke amounts, respectively. The controller performs the fuel injection by the first solenoid coil in an intake stroke period within an engine operating range with an engine load below a predetermined load. The controller performs the fuel injection with a fuel pressure of 40 MPa or above by the second solenoid coil in a period between a compression stroke late stage and an expansion stroke early stage within a low-engine-speed range with an engine speed below a predetermined speed within a high-engine-load range.

Abstract: The invention relates to an intake pipe for an internal combustion engine of a motor vehicle, comprising a housing that defines a charge-air channel and an intercooler having a cooler block, which is arranged in the housing in such a way that the charge air can flow through the cooler block. The cooler block of the intercooler terminates on a side facing the housing with an outer component, preferably a cooling fin, and at least one recess is formed in said outer component of the cooler block, the at least one recess extending at least across part of the length of the cooler block substantially perpendicularly to the charge-air flow direction. Furthermore, at least one projection is provided on an inside face of the housing facing the cooler block of the intercooler, said projection extending at least across part of the inner face of the housing substantially perpendicularly to the charge-air flow direction and engaging at least partially in the at least one recess of the cooler block in a sealing manner.

Abstract: Systems, devices, and methods are disclosed for diverting a portion of intake airflow from a pressure source to an air compressor in an internal combustion engine system. The intake airflow is diverted for air compressor airflow at the intake of the pressure source before it is pressurized by the pressure source.

Abstract: The present invention relates to a system and method for providing fuel to internal combustion engines including fuel activation prior to injection. The method carried out by the system comprises dissolving a mixture of gasses providing improved fuel dispersing after fuel injection into a combustion chamber. Dissolved gasses desorption is stimulated from a unsaturated fuel solution. Full control of fuel flows with dissolved gas/gasses to and from injectors and FET technology based on Henry's law (dissolving gasses in the liquids) and Kelvin principle (vapor pressure over droplet surface). The system consists of compact components, including exhaust gasses recirculation system which can be easily added to existing diesel and gasoline engine fuel supply systems. The method and system were tested with four different types of engines and provides fuel economy in 12-20% decrease of emissions and up to 25% at variable engine loads and significantly at engine cold start.

Abstract: An internal EGR amount calculation device for an internal combustion engine, which, even when a timing position relationship between a valve overlap period and an exhaust top dead center has changed, can properly calculate an internal EGR amount according to the change and can improve a calculation accuracy of the internal EGR amount. The internal EGR amount calculation device for an internal combustion engine includes an ECU. The ECU calculates a basic blow back gas amount, calculates a crank angle position in the center between the starting point and the ending point of the valve overlap period as an overlap center position, calculates a blow back gas amount by correcting the basic blow back gas amount according to the overlap center position, and calculates the internal EGR amount, using the calculated blow back gas amount.

Abstract: An equipment (200) for controlling an air system of a diesel engine, comprises an operation condition acquiring device (202), an objective flow determining device (204) and a signal generating device (206). The operation condition acquiring device (202) is used to acquire actual operation condition parameters of the diesel engine. The objective flow determining device (204) is used to determine objective flow parameters on the basis of the actual operation condition parameters from the operation condition acquiring device (202), through a non-linear physical model which characterizes the air system. The signal generating device (206) is used to generate signals for controlling an EGR system and a turbocharge system on the basis of the objective flow parameters from the objective flow determining device (204). A method for controlling an air system of a diesel engine and a computer program medium recording the computer program code for performing the method are also disclosed.

Abstract: An engine-driven work machine including: a two-cycle engine including a piston which is configured to reciprocally move inside a cylinder to which an exhaust port is formed; and a front end tool configured to be driven by the engine, wherein an expansion chamber is connected to the exhaust port via a connection duct, wherein the connection duct includes a first end and a second end, and the connection duct extends from the first end in an axial direction of the exhaust port, is bent in a direction away from an axis of the exhaust port and is connected to the expansion chamber at the second end, and wherein a housing of the expansion chamber is disposed at an inner side of the connection duct and an engine block including the cylinder and a crank case.

Abstract: Various systems and methods are described for an exhaust gas sensor coupled to an exhaust system of an engine. One example method comprises, during selected engine fueling conditions, alternating between applying first and second voltages to the sensor; and identifying an amount of alcohol in fuel injected to the engine based on sensor outputs at the first and second voltages.

Abstract: An integrated H-bridge electrical harness for controlling an actuator, such as a stepper motor, where the harness includes a signal converter in electrical communication with an ECU, a driver in electrical communication with the signal converter, and a plurality of connectors. At least one of the connectors provides a connection with the ECU, and another of the connectors provides a connection with an actuator. The signal converter receives a first type of signal (such as a pulse width modulated signal) from the ECU, and converts the first type of signal to a second type of signal, and the signal converter sends the second type of signal to the driver. The driver sends a third type of signal (such as a double square wave signal) to the actuator to control the actuator.

Abstract: A toy bow assembly that is used to launch toy projectiles. The toy bow assembly includes a bow structure having a first arm section and a second arm section. Both the first arm section and the second arm section contain at least one translucent area. Lights are disposed within both the first arm section and the second arm section. The lights internally illuminate the translucent areas of the first arm section and second arm section when activated. An activation switch is disposed on the bow structure for selectively activating and deactivating the lights.

Abstract: In a single/continuous firing air soft gun and a firing switch thereof, the air soft gun includes a gun body and a barrel fixed in the gun body, and the firing switch includes a piston seat and a firing switch device, wherein the piston seat is disposed in the gun body and capable of reciprocally moving in horizontal with respect to the barrel; and the firing switch device is installed on the piston seat, and includes a stop piece and a toggle piece connected with the stop piece, and the stop piece is disposed corresponding to the trigger assembly.

Abstract: A sawing bead for use in a sawing cord is described and claimed. Sawing cords are used for cutting hard and brittle materials. The sawing bead comprises a tubular metallic sleeve on which an abrasive layer is deposited. The abrasive layer comprises a metal matrix material in which abrasive particles are held. Special about the bead is that the metal matrix material shows a dentritic structure in a metallographic cross section which is a result of the way it has been produced namely by laser cladding. The abrasive layer adheres very well to the sleeve as a metallurgical bonding layer is present between the abrasive layer and the sleeve. Abrasive particles are present down to this bonding layer thereby improving the useful life of the bead as no brazing layer is present between abrasive layer and sleeve as in prior-art beads. In the metal matrix material active metals are present that enhance the wetting and adhesion of the abrasive particles.

Abstract: The present invention provides a method of resuming operation of a wire saw in which slicing of a workpiece is suspended and then resumed, including slicing the workpiece while detecting a traveling direction and a traveling speed of the reciprocating wire and recording them chronologically; and resuming the slicing while controlling the traveling direction and a traveling time in the traveling direction of the wire on a basis of a wire traveling history recorded until the suspending of the slicing of the workpiece such that the reciprocating cycle of the wire becomes continuous between before the suspending and after the resuming of the slicing of the workpiece. This method enables the slicing to be completed while the nanotopography of the sliced wafer is surely prevented from degrading, even when the slicing of the workpiece with a wire saw is suspended due to, for example, breaking of the wire.

Abstract: A receiver module for a solar power station receiver, including a metal structure and an absorber module, the metal structure defining a cavity extending along a longitudinal axis in a base of which the absorber module is housed. The cavity includes an aperture configured to be aligned towards at least one mirror of the solar power station, the aperture is edged by two side portions of the metal structure extending longitudinally on either side of the cavity. The receiver module also includes thermocouples positioned on each of the side portions relative to the longitudinal axis to detect a temperature difference between a reference temperature and two points of the metal structure that are opposite relative to the longitudinal axis.

Abstract: An apparatus includes a sample chamber constructed according to a design certified by the Department of Transportation for transporting fluids at a first pressure P1. A cylindrical sample compartment exists within the sample chamber. The sample compartment is designed to withstand the pressure P1. The cylindrical sample compartment has a cylindrical inner surface with a radius r and a height h. A hollow cylindrical sleeve is secured to the cylindrical inner surface of the sample compartment and has a wall of thickness t. The sample chamber is capable of transporting fluids at a second pressure P2. P2 is higher than P1.

Abstract: A thermal storage facility stores thermal energy at elevated temperature. The facility includes an enclosure for retaining a thermal storage medium; primary heat transfer surfaces for transferring heat from a circulating heat transfer fluid; and secondary heat transfer surfaces for transferring heat from the thermal storage medium to steam pipes associated with a power generation facility. The thermal storage medium is a metallic phase change material, preferably having a melting temperature above 500° C., interposed between the primary heat transfer surfaces and the secondary heat transfer surfaces. Solar power installations can incorporate one or more of the thermal storage facilities.

Abstract: A fastening system for connecting two components to each other, which is particularly suitable for attaching mirror elements of a solar collector module to a support frame, and which enables in particular simple handling during assembly of the components, includes a base provided with an upwardly projecting locking pin and intended for mounting on one of the components, and a cylindrical casing forming a receiving channel for the locking pin and intended for mounting on the other component. When the locking pin is inserted in the receiving channel, the cylindrical casing forms in conjunction with the base plate a receptacle for liquid adhesive.

Abstract: A removable oven for use on a cooking grill including a cooking chamber formed in a high temperature housing with an open bottom. The open bottom of the high temperature housing fits over a lower cooking plate positioned over the grill. A repositionable upper cooking plate is located in an upper region of the cooking chamber thereby forming a gap that can be varied to control the heat between the cooking plates. A chimney connected to the cooking chamber further controls the heat between the cooking plates. The lower cooking plate can be made to rotate when placed on a rotating assembly.

Abstract: A process is proposed for crystallizing, by progressively cooling, in multiple stages arranged in series in a crystallization vessel (10), a descending continuous flow of a saturated sucrose solution at a temperature from about 78° to about 120° C., each stage maintaining the sucrose solution being crystallized at a predetermined temperature, until reaching a temperature from about 25 to 40° C., obtaining substantially pure sucrose crystals. A suspension containing sugar seeds is introduced in the crystallizing equipment, in the first stage, jointly with the saturated sucrose solution of 1.05-1.15. In another embodiment of the invention, the saturated solution is fed and its temperature is controlled, already in the first stage of the vessel (10), to obtain a supersaturation between 1.05 and 1.15, inducing the formation of small crystals used as crystallization seeds.

Abstract: A fluid dispenser device comprising a body (10), a reservoir (20), a dispenser head (100) incorporating a dispenser orifice (5), and a dispenser member (30) that is mounted on said reservoir (20) by means of a fastener ring (60), said device further comprising a lateral actuator system (40) including an actuator element (41) that is movable between a rest position in which said dispenser member (30) is not actuated, and an actuated position in which said dispenser member (30) is actuated, said body (10) including at least one guide surface (50), said at least one guide surface (50) being stationary relative to said head (100) and substantially parallel to the central axis of the dispenser member (30) said actuator element (41) co-operating with said at least one guide surface (50), said at least one guide surface (50) including resistance means (55) that modify the co-operation between said actuator element (41) and said guide surface (50), in order to be passed over, said resistance means (55) require the us

Abstract: A fluid dispenser device comprising a body (10), a reservoir (20), a dispenser head (100) incorporating a dispenser orifice (5), and a dispenser member (30), such as a pump or a valve, that is mounted on said reservoir (20) by means of a fastener ring (60), said dispenser member (30) comprising a dispenser-member body (31) and a movable member (35) that moves axially in said dispenser-member body while said dispenser member (30) is being actuated, said device further comprising a lateral actuator system (40) that is secured to said body (10), said system including an actuator element (41) that between a rest position in which said dispenser member (30) is not actuated, and an actuated position in which said dispenser member (30) is actuated, said reservoir moving in said body during actuation, said body including a sleeve (15) that is arranged with a small gap around a portion of said reservoir, said body further including a resilient member (425) that co-operates with said reservoir so as to urge it into con

Abstract: The invention relates to an emergency oxygen device for passenger of an air-craft, comprising a chemical oxygen generator including a chemical oxygen source and an activation unit for initiating a chemical reaction of said chemical oxygen source producing oxygen, at least two oxygen masks each connected with the chemical oxygen generator for receiving an oxygen fluid flow from said chemical oxygen generator after said activation unit has initiated the chemical reaction, a mechanical activation assembly for activating the activation unit. According to the invention the activation unit is activated by a mechanical force exerted onto an activation element of the activation unit and the mechanical activation assembly comprises for each of the said at least two oxygen masks a first mechanical connection from the activation element to a fixation element releasably mounted to said emergency oxygen device and a second mechanical connection from said fixation element to said oxygen mask.

Abstract: The invention relates to a oxygen breathing device, comprising: an oxygen source, in particular a chemical oxygen generator or an oxygen pressure tank, at least one oxygen mask connected via an oxygen supply line to said oxygen source, a flow control unit adapted to receive a signal indicating ambient pressure or to detect ambient pressure and to control the flow of oxygen through the oxygen supply line depending on said ambient pressure, wherein the flow control unit is adapted to provide a low oxygen flow at a first ambient pressure, provide a higher oxygen flow at a second ambient pressure which is lower than said first ambient pressure and to increase said oxygen flow in at least two steps, preferably to increase said oxygen flow constantly, wherein by a bypass valve arranged in the oxygen supply line.

Abstract: The invention relates to an emergency oxygen device for at least one passenger of an aircraft, comprising a chemical oxygen generator and/or oxygen pressure cylinder including an oxygen source and a starter unit adapted for initiating a reaction in said oxygen source producing oxygen, at least one oxygen mask each connected with the oxygen source such that an oxygen fluid flow from said oxygen source after said starter unit has initiated the reaction is receivable at the oxygen mask, an activation assembly for activating the starter unit, and whereby the activation assembly comprises an actuator assembly comprising a shape memory material based actuator.

Abstract: The invention relates to a regulation device for a source of breathable gas, comprising a reaction medium adapted to perform an exothermic reaction for the production of breathable gas, the reaction medium surrounding an interior reaction volume having a breathable gas outlet. The invention further relates to a chemical oxygen generator system for the provision of breathable gas in an aircraft as well as to a method for regulating a source of breathable gas comprising the step of initiating an exothermic reaction of a reaction medium for the production of breathable gas, the reaction medium surrounding an interior reaction volume having a breathable gas outlet, wherein the breathable gas is flowing through the breathable gas outlet.

Abstract: The invention relates to a chemical oxygen generator for an emergency oxygen supply device in an aircraft, said generator comprising a housing, a solid chemical substance comprising oxygen in chemically bound form arranged inside said housing and extending along a longitudinal axis of said housing, a starter unit positioned adjacent to said chemical substance, said starter unit being adapted to provide energy to said chemical substance for initiating a chemical reaction of said solid chemical substance producing gaseous oxygen, an outflow port in said housing being in fluid communication with said chemical substance. According to the invention said solid chemical substance extends from a starter region adjacent to the starter unit to an end region, wherein the contour length to surface ratio of a cross section of said chemical substance in said starter region is larger than the contour length to surface ratio of a cross section of said chemical substance in the end region.

Abstract: The invention relates to an aircraft passenger emergency oxygen supply device comprising an oxygen mask having a mask body with a first opening for covering mouth and/or nose of the passenger, a second opening connecting said first opening with a source of oxygen, a passenger service unit, a connecting line fixed to the oxygen mask body at one end and having a coupling at the other end for coupling said line to the passenger service unit wherein a chemical reaction component is comprised in the oxygen mask.

Abstract: The invention relates to an emergency oxygen device for passenger of an aircraft, comprising a chemical oxygen generator including a chemical oxygen source and an activation unit for initiating a chemical reaction of said chemical oxygen source producing oxygen, at least two oxygen masks each connected with the chemical oxygen generator for receiving an oxygen fluid flow from said chemical oxygen generator after said activation unit has initiated the chemical reaction, a mechanical activation assembly for activating the activation unit. According to the invention the activation unit is activated by a mechanical force exerted onto an activation element of the activation unit and the mechanical activation assembly comprises for each of the said at least two oxygen masks a first mechanical connection from the activation element to a fixation element releasably mounted to said emergency oxygen device and a second mechanical connection from said fixation element to said oxygen mask.

Abstract: Described are methods and apparatus for therapeutic or medical gas delivery that reset or zero the trigger sensor used to detect patient inspiration and expiration. The trigger sensor may be reset automatically during patient expiration to avoid interfering with drug delivery or the breath detection algorithm.

Abstract: A nebulizer is provided that includes an internal medication chamber and a pressurized gas diverter. The internal medication chamber is configured for holding a medication. The pressurized gas diverter includes a diverter orifice.

Abstract: A device for monitoring patient usage of a medicament inhaler, the medicament inhaler being adapted to deliver doses of medicament, and the medicament inhaler including parts which move during the dispensing of a dose of medicament. The device includes a housing, for releasable attachable to the medicament inhaler, and an optical dose counter, associated with said housing, the optical dose counter being adapted to determine when a dose of medicament has been dispensed by transmitting optical signals through the medicament inhaler. The device is attachable to the medicament inhaler, and is subsequently operable, without any modifications being required to be marks to the medicament inhaler. The device may also include an electronic control module which is in communication with the optical dose counter, the electronic control module being adapted to monitor and/or store data relating to patient usage of the medicament inhaler.

Abstract: Therapy regimes of a plurality of subjects are remotely monitored and/or managed, wherein the therapy regimes include reception of aerosolized medicament. This enables users such as medical care providers, researchers, clinic administrators, and/or other users to monitor and/or manage the therapy regimes of the plurality of subjects through a centralized access point. This reduces physical requirements of proximity for the users and/or the subjects, alleviates the administrative burden placed on the users to manage and/or monitor individual therapy regimes, and/or provides other enhancements over convention systems.

Abstract: A pressure support device includes a humidification system (10) to control the humidity of a pressurized flow of breathable gas generated by the pressure support device. The humidification system includes a liquid storage chamber (32) and a humidification chamber (34). When in an operational orientation, liquid travels from the liquid storage chamber to the humidification chamber through a serpentine feed path (38) due to gravity. The serpentine shape of feed path halts the flow of liquid responsive to the device being tilted out of an operational orientation.