Abstract: A scroll compressor includes a compression mechanism having a fixed scroll and a movable scroll, and a floating member supporting the movable scroll. The floating member includes an opposing surface opposed to a back surface of the movable scroll. The back surface of the movable scroll includes a first portion facing an inner portion of the opposing surface of the floating member, and a second portion facing an outer portion of the opposing surface of the floating member. A clearance is present between the inner portion of the opposing surface and the first portion of the back surface.

Abstract: An electric compressor comprising: a conductive pin; an inverter terminal; and an electrical connector. The electrical connector includes: a bus bar; a first terminal and a second terminal at opposite ends of the bus bar; and an accommodation case fixed to a motor housing. The first terminal is connected to the conductive pin outside the motor housing. The second terminal is inserted into an inverter housing. The accommodation case has a second through hole through which the conductive pin is inserted toward the first terminal and accommodates the bus bar such that the second terminal is disposed outside the accommodation case. A junction terminal connects the inverter terminal and the second terminal inside the inverter housing. The first terminal and the second terminal are respectively fitted into the conductive pin and the junction terminal by movement of the electrical connector in an axial direction of a rotary shaft.

Abstract: A trigger signal is received from a trigger signal source. A first control signal is issued to a wastegate actuator to open a wastegate in response to the trigger signal. A second control signal is issued to a turbo shaft actuator to rotate a turbine of a turbocharger. The rotation of the turbine causes recirculated air to flow in a recirculation flow path including an exhaust manifold, the turbine, an exhaust wall system, and the wastegate. The exhaust wall system includes a turbine housing of the turbine, exhaust walls disposed between the turbine and the wastegate, and exhaust walls disposed between the turbine and a catalyst brick. At least a portion of the recirculation flow path is adjacent to a side of the catalyst brick. Heat transfer occurs from the recirculated air to the exhaust wall system and to the catalyst brick via the side of the catalyst.

Abstract: Methods and systems are provided for model-based determination of a temperature distribution of an exhaust aftertreatment system of a vehicle. A power demand from a first component of the aftertreatment system is measure, a heat transfer into the first component of the aftertreatment system based on power demand of the first component and a configurable emissivity value of the exhaust gas is determined, and the temperature of the first component based on the calculated heat transfer is calculated.

Abstract: The present invention relates to a particulate filter, in particular a particulate filter for use in an emission treatment system of an internal combustion engine. The particulate filter provides an advantageous combination of low back pressure and high fresh filtration efficiency.

Abstract: A system includes a passive NOx adsorber (PNA) for receiving and treating exhaust gas generated by an engine and a controller. The controller is configured to: while exhaust gas is received by the PNA, detect a torque demand that is greater than a threshold value; responsive to detecting that the torque demand is greater than the threshold value, engage a motor, coupled with a battery system, with a drive shaft of the system to meet at least a portion of the torque demand; and in response to the engagement of the motor with the drive shaft not meeting all of the torque demand, engage the engine with the drive shaft to meet a remainder of the torque demand.

Abstract: A method for improving an exhaust system including: receiving, at a heater, a current in response to a signal from a controller; generating heat, via the heater, inside a component of the exhaust system; injecting, via a dosing solution injector, a dosing solution into the heater; generating, by the heater, a vapor comprising the dosing solution; directing, by the heater, the vapor into the component; generating, by a magnet, a magnetic field inside the component; disrupting and slowing, by the magnet and magnetic field, an exhaust gas flow in the component.

Abstract: A dynamic vortex disk for a compressor includes a dynamic substrate with a first side and a second side, and a dynamic vortex wall, which is integrally molded with the dynamic substrate, and extends around an axis of the dynamic substrate at the first side and away from the axis. The dynamic vortex wall further has an end surface opposite to the first side and away from the second side, and a groove deviating from a centerline of the dynamic vortex wall and formed on the end surface. The groove has a proximal end close to the axis of the dynamic substrate and an opposing distal end. An air supply channel is configured to extend along the axis through an interior of the dynamic vortex wall until it opens to the second side. The groove and the air supply channel are connected at the distal end.

Abstract: A compression ignition internal combustion engine (30) for a heavy-duty diesel vehicle comprising an exhaust system (32) comprising a composite oxidation catalyst (12, 42) and a soot filter substrate (44, 50) disposed downstream from the composite oxidation catalyst comprising: a substrate (5), preferably a honeycomb flow-through substrate monolith, having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two catalyst washcoat zones (1, 2) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1 and comprising a first catalyst washcoat layer (9), wherein L1<L, is defined at one end by the first substrate end (I) and at a second end by a first end (15) of a second catalyst washcoat zone (2) having a length L2 and comprising a second catalyst washcoat layer (11), wherein L2<L, wherein the second catalyst washcoat zone (2) is defined a

Abstract: A scroll compressor is disclosed. The scroll compressor has back pressure holes which are formed in a non-orbiting scroll and a back pressure chamber assembly, and provide communication between a compression chamber and a back pressure chamber. In addition, a back pressure valve is provided inside of the back pressure hole to change a passage area of the back pressure hole by moving along a longitudinal direction of the back pressure hole due to a pressure difference between the compression chamber and the back pressure chamber. Due to the back pressure valve, pressure pulsation in the back pressure chamber may be improved.

Abstract: An object is to improve design flexibility. An electric compressor includes: a motor configured to drive a scroll compression mechanism that compresses a refrigerant; an inverter configured to drive the motor; a housing filled with the refrigerant and accommodating the motor; and a lower case connected to the housing, which is aligned with the lower case in the axial direction, and accommodating the inverter. The housing has a cylindrical first connection part centered on the center axis extending in the axis direction. The lower case has a cylindrical second connection part centered on the center axis extending in the axial direction. The outer circumferential surface of the first connection part and the inner circumferential surface of the second connection part are in contact with each other.

Abstract: A fluid displacement pump having an inner body and an outer body. The inner body includes a first inner lobe profile having a first number of lobes with a first axial extent and a first radial extent; and a second inner lobe profile having the first number of lobes with a second axial extent and a second radial extent. The outer body includes a first outer lobe provide and a second outer lobe profile. The first outer lobe profile has a second number of lobes configured to engage with the first inner lobe profile. The second outer lobe profile has the second number of lobes configured to engage with the second inner lobe profile, where the second outer lobe profile is axially coextensive with the second inner lobe profile.

Abstract: Methods, apparatuses, and systems for managing a multiple, and particularly a dual-selective catalyst reduction (SCR), exhaust aftertreatment system according to one or more determined reductant dosing strategies are disclosed. A method includes: receiving, by a controller, data indicative of a catalyst of an aftertreatment system; determining, by the controller, a reductant dosing strategy based on a comparison of the data indicative of the catalyst to a respective threshold; and commanding, by the controller, an amount of reductant dosing based on the determined reductant dosing strategy.

Abstract: The present invention relates to a catalyst, which comprises * a carrier substrate with a first end a and a second end b, and length L, * a material zone A containing a platinum group metal on a support material with a load of 40 to 150 g/l, relative to the volume of the carrier substrate and * material zone B containing a platinum group metal on a support material with a load of 75 to 200 g/l, relative to the volume of the carrier substrate, wherein material zone B has a greater content of platinum group metal, relative to the volume of the carrier substrate and calculated in g/l, than material zone A, and wherein material zone B has a proportion of pores with a diameter of 0.5 to 50 ?m of 20 to 30%.

Abstract: A composite, zone-coated, dual-use ammonia (AMOX) and nitric oxide oxidation catalyst (12) comprises: a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); two or more catalyst washcoat zones (1; 2) comprised of a first catalyst washcoat layer (9) comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon and a second catalyst washcoat layer (11) different from the first catalyst washcoat layer (9) and comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon, which two or more catalyst washcoat zones (1; 2) being arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1<L, is defined at one end by the first substrate end (I) and at a second end (13) by a first end (15) of a second catal

Abstract: Provided is a movement identification device capable of identifying a specific motion of a construction machine based on the output of a sensor attached to the construction machine with higher accuracy than the conventional technology. A movement identification device 100 includes a waveform generation unit 111, a waveform storage unit 121, and a motion identification unit 112. The waveform generation unit 111 generates a force waveform based on the signal of a force sensor that detects the force acting on the construction machine and an attitude waveform based on the signal of an attitude sensor that detects the attitude of the construction machine. The waveform storage unit 121 stores reference waveforms, which are combinations of force waveforms and attitude waveforms corresponding to specific motions.

Abstract: An engine system includes an engine including intake and exhaust camshafts, a transmission, a turbocharger including a compressor and a turbine, a surge valve to selectively bypass the compressor, a main exhaust aftertreatment system with a main catalytic converter, and a light-off catalyst bypass system with a bypass valve configured to selectively provide exhaust gas to a bypass passage and a bypass catalytic converter. An emissions control system includes a controller configured to monitor a temperature of the main catalytic converter to determine if the temperature is below a light-off temperature, move the bypass valve to an open position to provide exhaust gas flow through the bypass passage and bypass catalytic converter when the main catalytic converter is below the predetermined light-off temperature, and move the surge valve to an open position to enable intake air to bypass the compressor to minimize pressure loss during a cold catalyst mode.

Abstract: Disclosed is an oil pump including: a pump module provided with a rotary shaft, an inner rotor coupling with the rotary shaft, an outer rotor rotated engaging with the inner rotor, an inlet for sucking fluid, and an outlet for pressing and discharging the sucked fluid; housings supporting the pump module; and a direction switching unit coupled between the housings and the outer rotor to keep an eccentric distance between the rotary shaft or a central axis line of the inner rotor and a central axis line of the outer rotor. According to the disclosure, there is provided an oil pump used for both forward rotation and reverse rotation, which does not require changing a suction area and a discharge area and direction switching is stably performed even when a power source rotates forwardly and reversely.

Abstract: An exhaust gas aftertreatment system includes an introduction gas conduit, a dosing module, a mixer, and an outlet flange. The introduction conduit is centered on a conduit center axis. The dosing module is coupled to the introduction conduit and includes an injector. The injector is configured to provide a treatment fluid into the introduction conduit and is defined by an injection axis. The mixer is disposed within the introduction conduit and includes a mixer body. The mixer body is configured to receive exhaust gas and the treatment fluid. The outlet flange includes an outlet flange body, an outlet flange opening, and a plurality of outlet flange perforations. The outlet flange body is centered on an outlet flange center axis. The outlet flange body includes an outlet flange body inner portion and an outlet flange body outer portion. The outlet flange body inner portion is coupled to the mixer body.

Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.