Abstract: A rotary compressor according to an embodiment includes a plurality of eccentric parts, a first balancer, and a second balancer. The plurality of eccentric parts include a first eccentric part, a second eccentric part, and a third eccentric part disposed to be aligned from one side to the other side. The second balancer is disposed on the other side of the first balancer. Angles between a direction of eccentricity of the first balancer and directions of eccentricity of the plurality of eccentric parts are configured to increase in an order of the third eccentric part, the second eccentric part, and the first eccentric part. Angles between a direction of eccentricity of the second balancer and directions of eccentricity of the plurality of eccentric parts are configured to increase in an order of the first eccentric part, the second eccentric part, and the third eccentric part.

Abstract: The present invention relates to an apparatus for reducing greenhouse gas emission in a vessel, and a vessel including the same, which are capable of satisfying IMO greenhouse gas emission regulations by separating and discharging NOX, SOX, and CO2 from exhaust gas exhausted from a vessel engine and increasing CO2 solubility and CO2 removal efficiency by removing CO2 after removing SOX.

Abstract: An exhaust treatment system includes an engine, an exhaust line in fluid communication with the engine, a three-way catalyst downstream of the engine on the exhaust line, a particulate filter downstream of and proximate to the three-way catalyst on the exhaust line, and a sorbent unit comprising a first sorbent and a second sorbent downstream of the three-way catalyst and the particulate filter on the exhaust line. The first sorbent and the second sorbent are proximate to a tailpipe of the exhaust line. A method of treating an exhaust emission from an internal combustion engine during an engine cold-start is also described.

Abstract: A fixed outer circumferential wall of a fixed scroll, a movable scroll, and a plate define a suction pressure space configured such that fluid flows from a suction chamber into the suction pressure space. The movable scroll and an opposed wall define a first back-pressure space. The plate and a back-pressure-chamber-defining recess of the opposed wall define a second back-pressure space. A back-pressure supplying groove of the opposed wall is configured to connect the first back-pressure space to the second back-pressure space, thereby supplying the fluid from the first back-pressure space to the second back-pressure space. A discharge hole of the plate is configured to connect the second back-pressure space to the suction pressure space, thereby discharging the fluid from the second back-pressure space to the suction pressure space. At least part of the discharge hole is overlapped with the back-pressure supplying groove in an axial direction.

Abstract: A compressor module for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant outlet and a compressor, characterized in that an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module, wherein the housing of the compressor module fully encloses the inner heat exchanger.

Abstract: The disclosed invention provides an unmodified scroll compressor with enhanced oil management system that enables the compressor system to compress helium. The compressor system includes a standard scroll compressor, oil separator, and an adsorber. The compressor includes a housing containing an orbiting scroll and a stationary scroll, a motor, and an oil sump in a bottom of the housing. The stationary scroll has one or more injection ports, and the housing contains a single discharge port, a return port, and a single injection port connected to the injection ports of the stationary scroll. The oil separator receives a mixture of helium and oil from the discharge port. The compressor system further includes a line bringing a first fraction of oil from the oil separator to the injection port, one or more lines bringing a second fraction of oil to the return port along with helium. The adsorber retains a third fraction of oil.

Abstract: A compressor includes a compression mechanism, an electric motor unit, a drive shaft and a housing. A portion of the drive shaft, which is located on one side in an axial direction, is rotatably supported by a main bearing, which is formed integrally in one-piece with or is fixed to a main bearing member of the compression mechanism. Another portion of the drive shaft, which is located on another side in the axial direction, is rotatably supported by a sub-bearing, which is formed integrally in one-piece with or is fixed to an inside of a body portion of a sub-bearing member. The sub-bearing member is formed separately from the housing and is fixed to a bottom surface of a bottom portion of the housing.

Abstract: A gutter for recovering lubrication oil, particularly for a mechanical reducer of an aircraft turbomachine, annular around a central axis, and comprising a first radial wall extending radially with respect to the central axis, an inclined wall extending from a radially outer end of the first radial wall, a guide portion having an overall U shape extending from one end of the inclined wall, and a second radial wall extending radially outward with respect to the central axis from one end of the guide portion, a space delimited by the first radial wall, the second radial wall and the inclined wall forming an oil intake chamber, and a space delimited by the guide portion and the second radial wall forming an oil evacuation cavity.

Abstract: A sealing assembly for a sensor port of a double-walled muffler. The assembly includes at least an outer plate and a washer-type element. The washer-type element has a planar portion provided with an aperture, and a tube portion protrudes from an edge of the aperture. The assembly is mounted on a sensor port provided with a boss fixed to an inner wall of the double muffler wall, and with an opening in an outer wall surrounding the boss. The tube portion is fitted over the boss, and the assembly is fixed to the outer wall. Any radial or lateral movement of the boss relative to the outer wall is able to take place without losing sealing function, due to lateral freedom of movement of the washer-type element relative to the outer plate, and due to the fact that the boss is able to move relative to the tube portion.

Abstract: An engine system includes an internal combustion engine, a main exhaust aftertreatment system with a main catalytic converter, and a light-off catalyst bypass system with a bypass catalytic converter. An emissions control system includes a controller in signal communication with a first oxygen sensor disposed upstream of the bypass catalytic converter, and a second oxygen sensor disposed downstream of the bypass catalytic converter. The emissions control system performs a diagnostic of the bypass catalytic converter, including (i) monitoring signals from the first and second oxygen sensors for a predetermined time period during an engine cold start condition, (ii) determining a signal average of the first oxygen sensor (iii) determining a signal average of the second oxygen sensor, (iv) determining a difference between the signal averages of the first and second oxygen sensors, and (v) comparing the difference to a predetermined threshold to determine if the bypass catalytic converter has failed.

Abstract: A blower including: a forward end; an aft end located opposite the forward end; a shaft located at the aft end; a flange located at the forward end; an internal surface defining an axial passageway within the blower; an external surface radially outward of the internal surface; one or more radial passageway formed within the flange and fluidly connected to the axial passageway, the radial passageway extending from the internal surface to the external surface; and a plurality of blower blades located within the flange and defining the radial passageway.

Abstract: An exhaust gas purification apparatus includes a first exhaust pipe, a first housing, a second exhaust pipe, and a second housing. The first exhaust pipe is coupled to an engine. The first housing is coupled to a downstream end of the first exhaust pipe and houses a three-way catalyst. The second exhaust pipe is coupled to a downstream end of the first housing. The second housing is coupled to a downstream end of the second exhaust pipe and houses a nitrogen oxide occlusion catalyst. The three-way catalyst comprises a first region and a second region. The second region has a lower oxygen storage capacity than the first region. The first region is located on a center axis of a flow of gas that is to be sent from the first exhaust pipe into the first housing.

Abstract: A burner for an exhaust gas tract that can be flowed through by exhaust gas of an internal combustion engine includes a combustion chamber, in which a mixture comprising air and a liquid fuel is to be ignited and thus to be combusted, and an inner swirl chamber that can be flowed through by a first part of the air. The inner swirl chamber has a first swirl generation device via which a turbulent flow of the first part of the air can be caused and a first outflow opening that can be flowed through by the first part of the air flowing through the inner swirl chamber. The first part of the air being able to be removed from the inner swirl chamber via the first outflow opening.

Abstract: The scroll compressor (2) including a hermetic enclosure (3), a compression unit (11) configured to compress refrigerant, and an electric motor (16) configured to drive the compression unit (11) via a drive shaft (15), the hermetic enclosure (3) including a midshell (4), an upper cap (5) and a baseplate (6), the baseplate (6) including a mounting base (24) having a plate shape and including a central portion, and a cylindrical rim surrounding the central portion and extending upwardly, the cylindrical rim (28) being secured to the mounting base (24) by a double-welded T-joint (29), the double-welded T-joint (29) including an inner welding seam connecting an inner surface of the cylindrical rim (28) to the mounting base (24), and an outer welding seam connecting an outer surface of the cylindrical rim (28) to the mounting base (24).

Abstract: A method for detecting flameholding in at least one combustor of a turbine engine includes measuring dynamic pressure data of the at least one combustor of the turbine engine; converting the dynamic pressure data to frequency-domain spectral energy amplitudes for the dynamic pressure data; and comparing the spectral energy amplitudes against a dynamic amplitude threshold value to determine whether the amplitudes exceed the threshold minimum amplitude value, wherein exceeding the dynamic amplitude threshold indicates a flameholding occurrence.

Abstract: A bowed rotor prevention system includes a gas turbine engine, and electric motor, and a core turning controller. The gas turbine engine includes a rotor that is rotatably coupled to a drive shaft. The electric motor is rotatably coupled to a motor shaft, which is mechanically coupled to the drive shaft so as to rotate therewith. The core turning controller in signal communication with the electric motor. The core turning controller determines whether a rotor bow is present in the rotor based on an operating time of the gas turbine engine, determines a motoring time based on the operating time, and invokes an anti-rotor bowing mode configured to control the electric motor to rotate the rotor according to the motor time.

Abstract: A device for capturing in-port ship exhaust gases is designed to be connected to a ship, when the ship has at least one funnel that serves as an outlet for exhaust gases.

Abstract: An inlet assembly for a housing containing an aftertreatment component of an aftertreatment system comprises an inlet conduit configured to be disposed substantially perpendicular to a longitudinal axis of the housing. A flow redirection conduit is disposed downstream of the inlet conduit and is coupled to the end of the housing. A plurality of protrusions project from a sidewall of the flow redirection conduit towards an inlet face of the aftertreatment component and are configured to provide a uniform exhaust gas flow to the inlet face. Alternatively, a flow distribution plate having a plurality of slots defined substantially perpendicular to the longitudinal axis is disposed in the flow redirection conduit, the plate being inclined with respect to the longitudinal axis. The slots are configured to provide a uniform exhaust gas flow to the inlet face.

Abstract: A deflector for an ejection structure of a thrust reverser is disclosed including a deflector plate configured to act on an aerodynamic flow, the deflector plate having a concave upstream face, a convex downstream face, an inlet end, and an outlet end. The upstream face and the downstream face of the deflector plate have different curved profiles, the deflector has a particular profile giving it properties allowing it to act effectively on the aerodynamic flow so as to enhance the performance of the thrust reverser in which it is mounted.

Abstract: An internal combustion engine including a first and a second manifold coupled to exhaust ports of a first and a second plurality of cylinders to receive exhaust gas therefrom. The engine includes a first and a second pipe configured to receive the exhaust gas from the manifolds. The engine includes a collector including a first and second inlet coupled to the pipes and an outlet configured to receive a merged flow of the exhaust gas from the first and second pipe. The engine includes a catalyst configured to receive a merged flow of the exhaust gas from the outlet and treats the exhaust gas and a heater assembly configured to selectively supply heat energy to the exhaust gas from the first pipe and the second pipe. The heater assembly includes a connecting portion coupled to the collector.