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).

Abstract: The provided is an electricity generation system which utilises both solar energy and magma energy to generate electricity. The electricity generation system includes a condenser containing refrigerant inside, a pump connected to the condenser, a heat exchanger connected with the pump, heater pipes, a compressor, an air filter II, an air filter I, cooler pipes, and a turbine.

Abstract: An engine includes a block that includes a block cylinder, a block passage configured to receive a head bolt, and a block fluid passage. The engine also includes a deck extender coupled to the block, and the deck extender includes a deck cylinder configured to align with the block cylinder, a deck passage configured to align with the block passage, and a deck fluid passage configured to align with the block fluid passage. The engine further includes a cylinder liner coupled to the block and the deck extender via the block cylinder and the deck cylinder, and the cylinder liner includes a contiguous cylinder wall to form an engine cylinder. Moreover, the engine includes a cylinder head configured to couple to the deck extender.

Abstract: A system includes a condensate injection system configured to fluidly couple to a combustion chamber of a reciprocating engine and an exhaust gas recirculation (EGR) system of the reciprocating engine. The condensate injection system includes a condensate tank configured to store condensate collected from the EGR system. The condensate injection system also includes a pump fluidly coupled to the condensate tank. The condensate injection system also includes an injector fluidly coupled to the pump. The injector is configured to inject condensate into the combustion chamber during a first portion of an engine cycle of the reciprocating engine. The first portion of the engine cycle includes at least part of a power stroke and/or an exhaust stroke of the engine cycle.

Abstract: A turbofan engine with a low-pressure turbine module having no more than four stages and a fan coupled to the low-pressure turbine module via a gearbox, the turbofan engine having a maximum thrust of at least 70 kN and at most 300 kN, and the low-pressure turbine module (4.2) having a ratio of the exit annulus area to the inlet annulus area, Aout/Ain, of at least 2.2 and at most 3.3.

Abstract: An installation for producing electricity and/or mechanical power, comprising: a CCGT unit, a splitter for receiving and splitting flue gas into a first gas flow and a second gas flow, a CCS unit for receiving the first gas flow and storing CO2, a renewable electricity production unit, an electrolysis unit for producing an oxygen flow, a mixing unit for receiving the second gas flow and at least part of the oxygen flow, and for producing a working fluid of a gas turbine. The installation is configured for switching between: a first operation mode, in which the renewable electricity production unit produces renewable electricity, and the electrolysis unit uses at least some of it, a second operation mode, in which the renewable electricity production unit is idle, and the electrolysis unit uses electricity from the CCGT unit or a local grid.

Abstract: Exemplary embodiments are disclosed of compressor assemblies including lower covers having mounting feet skirts configured for increasing mounting feet stiffness and provide better resistance to crack formation due to vibration, e.g., in mobile and transport applications, etc. The mounting feet skirts may comprise full, rounded, and/or radiused skirts disposed along or around the entire end portions of the mounting feet near the mounting holes (e.g., bolt holes, etc.) in the mounting feet. Using full, rounded, and/or radiused skirts avoids or eliminates sharp corners, such as the sharp corner fillet features of conventional lower covers that are prone to having cracks form due to vibration while in transit.

Abstract: A vehicle includes an engine, an exhaust flow passage, an air-fuel ratio sensor, and a control apparatus. The exhaust flow passage is configured to communicate with the engine. The air-fuel ratio sensor is provided in the exhaust flow passage. The control apparatus includes one or more processors, and one or more memories coupled to the one or more processors. The one or more processors are configured to: cause backflow of gas inside the exhaust flow passage while the vehicle is stopped; and diagnose a state of adhesion of oil inside the exhaust flow passage, based on a result of detection performed by the air-fuel ratio sensor in causing the backflow of the gas inside the exhaust flow passage.

Abstract: A rotor blade configured to be installed on a rotary wing aircraft includes a spar including an inboard portion extending from a root of the rotor blade to a first spanwise position of the rotor blade and an outboard portion meeting the inboard portion at the first spanwise position. The rotor blade further includes an upper skin coupled to the outboard portion of the spar, a lower skin coupled to the outboard portion of the spar, and a blade extender surrounding and extending inboard of the root of the rotor blade.