Abstract: A combustor assembly for a gas turbine engine includes an inner liner, an outer liner, and a combustor dome. The inner liner, outer liner, and combustor dome together define at least in part a combustion chamber having an annulus height. Additionally, the combustor assembly includes a fuel-air injector hardware assembly positioned at least partially within an opening of the combustor dome. The fuel-air injector hardware assembly includes a heat shield located at least partially within the combustion chamber, the heat shield defining an outer diameter. A ratio of the annulus height of the combustion chamber to the outer diameter of the heat shield may be at least about 1.5:1.

Abstract: A combustor includes a circumferential main combustion chamber and a plurality of air inlets, the plurality of air inlets dispersing air into the circumferential main combustion chamber. The combustor also includes at least one swirl-stabilized pilot burner, which disperses combustion gases into the circumferential main combustion chamber. The air inlets and the swirl-stabilized pilot burner are aligned at least partially in a radial direction and at least partially in a circumferential direction.

Abstract: The present disclosure is directed to a combustor assembly for a gas turbine engine. The combustor assembly comprises a volute walled enclosure defining a spiral scroll pitch axis disposed at least partially circumferentially around a centerline axis of the gas turbine engine, in which the walled enclosure is defined around the pitch axis, and the walled enclosure defines a combustion chamber therewithin.

Abstract: An apparatus and method for a reverse flow combustor, the reverse flow combustor including a straight portion, a dilution portion and a curved portion. The reverse flow combustor receives a flow of fuel that is ignited and mixed with cooling air to form a flow of combustion gases. The flow of combustion gases travels through the reverse flow combustor to a turbine section of an engine.

Abstract: A wearable container assembly for holding a topical substance configured to be applied to a portion of a body of a user is disclosed herein. The wearable container assembly includes a base portion having a top surface and a bottom surface, the base portion including one or more decorative elements attached to the top surface thereof; a fastener member attached to the bottom surface of the base portion, the fastener member configured to removably attach the wearable container assembly to hair of a user, a limb of a user, or an article of clothing worn by the user; and a container subassembly for holding a topical substance that is configured to be applied to a portion of a body of the user, the container subassembly removably coupled to the base portion by attachment means. A wearable topical substance container assembly comprising a topical substance is also disclosed herein.

Abstract: A combustor assembly for use in a gas turbine engine includes a combustor liner that defines a combustion chamber and includes an axial combustion portion and a curved transition portion. The combustion liner also includes an inner surface and an outer surface and a first plurality of cooling channels defined between the inner and outer surfaces. The combustor assembly also includes a sleeve substantially circumscribing the combustor liner such that an annular cavity is defined between the combustor liner and the sleeve. The sleeve includes a second plurality of cooling channels defined therethrough that are configured to channel a fluid against the combustor liner outer surface.

Abstract: A combustor assembly for a gas turbine engine includes an inner liner, an outer liner, and a combustor dome. The inner liner, outer liner, and combustor dome together define at least in part a combustion chamber having an annulus height. Additionally, the combustor assembly includes a fuel-air injector hardware assembly positioned at least partially within an opening of the combustor dome. The fuel-air injector hardware assembly includes a heat shield located at least partially within the combustion chamber, the heat shield defining an outer diameter. A ratio of the annulus height of the combustion chamber to the outer diameter of the heat shield may be at least about 1.5:1.

Abstract: Non-volatile memory array can be recovered after a power loss. In one example, pages of a memory array are scanned to find a first free page after the power loss.

Abstract: A valve apparatus for use in an interior of a fuel tank, a fuel tank including the valve apparatus, and a motor vehicle including the fuel tank. The valve apparatus includes a substantially flat housing defining a channel between an inlet orifice and an outlet orifice, and a membrane arranged to seal the channel. The membrane is configured to be impermeable to liquid fuel and permeable to fuel vapor.

Abstract: The present disclosure relates, in some embodiments, to devices, systems, and/or methods for collecting, processing, and/or displaying stroke volume and/or cardiac output data. For example, a device for assessing changes in cardiac output and/or stroke volume of a subject receiving airway support may comprise a processor; an airway sensor in communication with the processor, wherein the airway sensor is configured and arranged to sense pressure in the subject's airway, lungs, and/or intrapleural space over time; a blood volume sensor in communication with the processor, wherein the blood volume sensor is configured and arranged to sense pulsatile volume of blood in a tissue of the subject over time; and a display configured and arranged to display a representative of an airway pressure, a pulsatile blood volume, a photoplethysmogram, a photoplethysmogram ratio, the determined cardiac output and/or stroke volume, or combinations thereof.

Abstract: A valve apparatus for use in an interior of a fuel tank, a fuel tank including the valve apparatus, and a motor vehicle including the fuel tank. The valve apparatus includes a substantially flat housing defining a channel between an inlet orifice and an outlet orifice, and a membrane arranged to seal the channel. The membrane is configured to be impermeable to liquid fuel and permeable to fuel vapor.

Abstract: A system and method for conserving oxygen in a breathing assistance device are disclosed. A method may include delivering breathable gas with a first average oxygen concentration during a first portion of an inhalation phase for a patient. The method may also include delivering breathable gas with a second average oxygen concentration during a second portion of an inhalation phase for a patient.

Abstract: A method for venting of a liquid tank with a valve, a primary compartment and a secondary compartment which are connected together via a bridge. The valve includes a chamber provided with a cover, which extends at least partly into the tank and is connected via an upper venting aperture to a venting circuit. A first device monitors a level of liquid in the primary compartment. A second device monitors a level of liquid in the secondary compartment. The valve configured to be closed when the first device detects that the level of liquid in the primary compartment is equal to or higher than a first predetermined filling level, and the second device detects that the level of liquid in the secondary compartment is equal to or higher than a second predetermined filling level.

Abstract: A plastic fuel tank and a process for manufacturing a fuel tank, the fuel tank including an upper wall, a lower wall, and at least one kiss point formed by welding together a multiplicity of contact points of the upper and lower walls and an accessory. Both the upper and lower walls show a concave recess in the kiss point area so that the weld of the kiss point is located in between planes defined by the upper and lower walls respectively; a bottom of the upper concave recess extends substantially beyond the weld of the kiss point, while a bottom of the lower concave recess does not; the accessory is at least partially located under the extension of the bottom of the upper concave recess.

Abstract: A medical device may include a patient interface for use in a breathing assistance system, an electronic device coupled to the patient interface, and one or more electrical conductors at least partially integrated with the patient interface. The patient interface may include a connection end configured for receiving gas communicated by a gas delivery apparatus, and a patient end configured for insertion into or more breathing passageways of a patient. The one or more electrical conductors at least partially integrated with the patient interface may be capable of facilitating communication of electrical signals between the electronic device and the gas delivery apparatus when the patient interface is communicatively coupled to the gas delivery apparatus.

Abstract: A host accessing memory devices by providing common address and command information on a parallel-connected serial bus to each of the memory devices and shifting data in the memory devices through a daisy-chain serial interface.

Abstract: This disclosure describes systems and methods for monitoring a patient on a ventilator-oximeter system. The disclosure describes a novel approach determining if the oximeter and the ventilator are attached to the same patient and if not providing a warning.

Abstract: This disclosure describes systems and methods for managing the ventilation of a patient being ventilated by a medical ventilator. The disclosure describes a novel approach of displaying ventilator information integrated with oximeter information. The disclosure further describes a novel approach of alarming based on the integration of ventilator information with oximeter information.

Abstract: The present disclosure relates, in some embodiments, to devices, systems, and/or methods for collecting, processing, and/or displaying stroke volume and/or cardiac output data. For example, a device for assessing changes in cardiac output and/or stroke volume of a subject receiving airway support may comprise a processor; an airway sensor in communication with the processor, wherein the airway sensor is configured and arranged to sense pressure in the subject's airway, lungs, and/or intrapleural space over time; a blood volume sensor in communication with the processor, wherein the blood volume sensor is configured and arranged to sense pulsatile volume of blood in a tissue of the subject over time; and a display configured and arranged to display a representative of an airway pressure, a pulsatile blood volume, a photoplethysmogram, a photoplethysmogram ratio, the determined cardiac output and/or stroke volume, or combinations thereof.

Abstract: This disclosure describes systems and methods for managing the ventilation of a patient being ventilated by a medical ventilator. The disclosure describes a novel approach of displaying ventilator information integrated with oximeter information. The disclosure further describes a novel approach of alarming based on the integration of ventilator information with oximeter information.