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 rotary heat engine is comprised of a central crankshaft, a plurality of cylinder assemblies, and a plurality of heat exchanger assemblies. The central crankshaft has first end and a second end defining an axis of rotation. The plurality of cylinder assemblies are coupled to the central crankshaft. The plurality of heat exchanger assemblies are each associated with the plurality of cylinder assemblies, respectively.

Abstract: Screw pump (2) comprising: a casing (3) with an inlet (30), an outlet (31) and a flow chamber (32) between the inlet and the outlet; at least two screws (4, 5, 6) housed in the flow chamber to force a fluid flow through the flow chamber from the inlet to the outlet; and a flexible coupling (11) connected to one of the screws to couple the screw to a drive motor (10).

Abstract: A computer-implemented method is disclosed for diagnostics of NOx sensor(s) of a vehicle. The method comprises—while the electric motor(s) are not driven by the ICE—controlling (by processing circuitry of a computer system) the ICE to operate according to a predefined operational mode, wherein the predefined operational mode has a correspondingly predefined expected, non-zero, NOx sensor response, controlling (by the processing circuitry) the NOx sensor(s) to perform measurements associated with the predefined operational mode of the ICE, and acquiring (by the processing circuitry) corresponding measurement results from the NOx sensor(s) for comparison to the predefined expected NOx sensor response.

Abstract: A system for synthesizing ammonia includes a reactor including an inlet portion, an outlet portion, and an energy source arranged to deliver energy to one or more reactants receivable through the inlet portion of the reactor, and the energy source activatable to reduce nitrogen to ammonia in the presence of hydrogen, at least one hydrogen pump in fluid communication with the outlet portion of the reactor, each hydrogen pump including at least one electrochemical cell, and a recirculation circuit in fluid communication between the at least one hydrogen pump and the inlet portion of the reactor and configured to direct a respective hydrogen stream from each hydrogen pump to the inlet portion of the reactor.

Abstract: An apparatus for carrying out a chemical reaction in a process fluid includes a reactor comprising one or more reaction tubes which have a number of electrically heatable tube segments which are connected to one another by an electrically conductive star bridge, and at least one power source configured to provide a multiphase alternating current with N phases to N phase lines at a predetermined voltage. N is an integer greater than or equal to 2. For each of the at least one power source, a number of power connections is provided, each of which is connected to at least one of the tube segments and to one of the phase lines of the power source. In the at least one power source, a star point is formed at which the phase lines of the power source are connected, wherein the star point is not connected to a ground connection.

Abstract: A fixed scroll assembly, a scroll compressor, and a method for machining a fixed scroll assembly includes a fixed scroll component and a sealing assembly. The fixed scroll component includes an end plate, a fixed scroll roll extending from a first side of the end plate, and an enhanced vapor injection hole extending from an upper surface of the fixed scroll component to a compression cavity. The enhanced vapor injection hole has a first end leading to the compression cavity, and a second end leading to the exterior of the fixed scroll assembly. The sealing assembly is configured to seal the second end of the enhanced vapor injection hole; and part of the enhanced vapor injection hole comprises a recess formed in the fixed scroll roll.

Abstract: A compressor assembly includes a compressor assembly housing, a motor that drives one or more compressor rotors, an oil reservoir, an oil cooler, and an oil filter. The motor has a motor jacket with first group channels for cooling the motor, and the compressor assembly housing having one or more pass-through channels forms at least a part of an oil line that interconnects components of the compressor assembly.

Abstract: The invention relates to an apparatus for producing a pulverulent product, comprising a device for dropletization (5) of a liquid phase, an addition point (15) for a gas above the device for dropletization (5), at least one gas withdrawal point (19) on the circumference of the apparatus (1), a solid withdrawal point (12) and a tower shell (13) between the device for dropletization (5) and the gas withdrawal point (19) and having, above the solid withdrawal point (12), a region (11) having at least partly a decreasing hydraulic diameter toward the solid withdrawal point (12) and having a maximum hydraulic diameter greater than the mean hydraulic diameter of the tower shell (13), and the tower shell (13) projecting into the region (11) having at least partly a decreasing hydraulic diameter such that an annular duct (23) is formed between the part of the tower shell (13) projecting into the region (11) having at least partly a decreasing hydraulic diameter and the upper part (27) of the region having at least pa

Abstract: The variable duration valve train controls the flow of air into the combustion chambers of the combustion engine. The variable duration valve train includes a drive cylinder structure, a stroke limit cylinder structure, an engine valve structure, a plurality of cams, and a working fluid. The engine valve structure attaches to the drive cylinder structure. The stroke limit cylinder structure forms a fluidic connection with the drive cylinder structure. The working fluid fills the stroke limit cylinder structure and the drive cylinder structure. The plurality of cams form mechanical linkages with the drive cylinder structure and the stroke limit cylinder structure. The working fluid and the plurality of cams limit the range of motion of the engine valve structure.

Abstract: A compressor structure including a compressor housing, an oil tank, an oil-gas barrel, a motor, a first assembly base, at least one oil filter, a second assembly base, and at least one oil mist separator is provided. The compressor housing has a compression chamber. The oil tank is disposed below the compressor housing. The oil-gas barrel is communicated with the oil tank. The first assembly base has a discharge passage, and the compression chamber is communicated with the oil-gas barrel through the discharge passage. The oil filter is disposed on the first assembly base and is communicated with the compression chamber through the first assembly base. The second assembly base is disposed on the oil-gas barrel. The oil mist separator is disposed on the second assembly base and is communicated with the oil-gas barrel through the second assembly base.

Abstract: A vacuum pump assembly has a removable container for lubricating oil with a valve assembly to minimize drips while the oil container is removed. The valve assembly has an oil drain valve and an oil inlet valve controlling the flow of oil into and from the container, respectively. The valve assembly includes an adapter for removably attaching it to the port of the container. A bellows is compressed by attachment of the oil container to the adapter thereby opening both valves. The bellows expands when the oil container is removed from the adapter to close the valves. For example, the oil drain valve is actuated by movement of the bellows and the oil inlet valve is actuated by a first magnet. A second magnet moves with the bellows and controls the position of the first magnet to regulate operation of the oil inlet valve.

Abstract: A compact fluid transfer pump assembly and method of assembly is disclosed. The compact fluid transfer pump assembly includes a pump enclosure having a pump cavity sized to house a plurality of pump components and an inlet for receiving fluid, a motor enclosure coupled to the pump enclosure having a circular first end spaced by a cylindrical wall having an inner and an outer surface to a circular second end, a motor enclosure cavity formed therebetween within the cylindrical wall, the circular first end having an opening for receiving a motor, the circular second end formed by a bell wall, the motor enclosure removably couplable with a tank and an anti-rotation foot removably coupled with the motor enclosure and extending from the outer surface of the cylindrical wall of the motor enclosure, the anti-rotation foot to assist in coupling the pump assembly with an external fluid reservoir.

Abstract: An internal combustion engine (ICE) system, comprising an ICE; an exhaust conduit for transporting exhaust gases from the ICE to an exhaust outlet; an exhaust aftertreatment system (EATS) disposed in the exhaust conduit downstream the ICE; a flex bellow disposed in-between the ICE and the EATS; and a heater arrangement, the heater arrangement being arranged within the flex bellow and further provided in the form of a coil having one or more heating regions and one or more portions configured to induce turbulent flow of the exhaust gases. The present disclosure furthermore relates to a vehicle comprising the ICE system.

Abstract: A scroll compressor is provided. The scroll compressor comprises: a first compression part comprising a first stationary scroll and a first orbiting scroll; and a second compression part comprising a second stationary scroll and a second orbiting scroll, wherein at least one of the first compression part and the second compression part may have a capacity variable part equipped therein so as to induce refrigerant discharge from a compression chamber or to induce idling by blocking refrigerant suction in the compression chamber. The above configuration facilitates varying the capacity of the compressor while significantly reducing the capacity variation ratio, thereby increasing the energy efficiency of the compressor and the air conditioner equipped therewith.

Abstract: A fluid compressor system has a scavenge loss limiter that increases the efficiency of the fluid compressor system by reducing the compressed working fluid recirculated into the airend through a scavenge flow. The scavenge loss limiter includes a scavenge hole positioned at a discharge end face of a rotor cavity of the compressor housing. As a rotor of the compressor system rotates, the rotor may intermittently restrict the free-flowing scavenge flow returning from a lubricant separation tank. The rotor may be a male rotor having a plurality of male lobes. As the discharge end clearance between the rotor and the discharge end face is tightly controlled and monitored, a better control of the scavenge flow returning to the rotor cavity is achieved.

Abstract: The invention provides a range extension system including a range extension assembly, a fuel supply unit, and a second fuel storage device. The range extension assembly has a first fuel input portion and a second fuel input portion. The first fuel input portion is configured to receive a first fuel source. The second fuel input portion is configured to receive a second fuel source different from the first fuel source. The second fuel source and the first fuel source are mixed in the range extension assembly to generate an electrical output. The fuel supply unit is configured to provide the first fuel source to the first fuel input portion. The second fuel storage device is configured to store and provide the second fuel source to the second fuel input portion.

Abstract: A connecting ring of a root vacuum pump is provided. The connecting ring is installed in at least one end portion of a casing of a root vacuum pump for enlarging an effective volume of the casing. The connecting ring includes a frame having a hollow circular structure and being match to a shape of an end portion of the casing; a front end of the frame being formed with a front flange; a front end surface of the front flange and a rear end thereof being formed with a rear flange; and wherein an outer side of the frame is formed with a plurality of enhancing ribs which are formed between the end surfaces of the front flange and the rear flange; and a plurality of trenches are formed between the front flange, the rear flange and each enhance rib.

Abstract: A flow control arrangement for use with a pump in an aquarium includes a main body having an inlet flow conduit and an outlet flow conduit. The main body has a cylindrical wall having first and second opposite open ends and defining an open interior; and a through hole extending through the wall to the open interior. A flow control dial closes the first open end; and an aeration flow dial closes the second open end and is rotatably adjustable relative to the main body. The aeration flow dial has a tubular aeration wall extending into the open interior. The aeration wall has an aperture, wherein the aeration flow dial can be rotatably adjustable to control axial alignment of the aperture with the through hole in the wall of the main body to selectively adjust a size of a resulting orifice from the open interior of the main body to outside of the main body.

Abstract: A compressor and an additional oil injection system with the compressor are disclosed. The compressor (1) has a compression chamber (11) and an exhaust port (12), wherein, the compression chamber (11) is communicated with the exhaust port (12), the compression chamber (11) has an oil inlet of the compression chamber (18), and an oil injection port of exhaust port (13) is provided at the exhaust port (12).