33results about How to "Expand flow range" patented technology

A compressor vane or compressor blade is provided. The axial flow compressor includes an axial direction, a radial direction, a compressor hub and a compressor casing. The vane or blade includes an airfoil with airfoil sections having a span, a chamber line and a leading edge at which the chamber line includes a leading edge blade angle with the axial direction of the compressor and a trailing edge at which the chamber line includes a trailing edge blade angle with the axial direction of the compressor. The airfoil sections are stacked at the leading edge on a straight line extending along a radial direction of the compressor from the compressor hub towards a compressor casing and in that the leading edge angles of the airfoil sections vary along the span and are larger for airfoil sections close to the hub and close to the wall than for mid-span airfoil sections.

A turbocharger system having a compressor housing containing a rotating compressor wheel with a plurality of main blades that define an impeller passageway from an inducer to an exducer. Each main blade has a leading edge characterized by an extension forming a non-planar, conical inducer leading edge, and a trailing edge characterized by a reverse-clip-extension forming a non-cylindrical, conical exducer trailing edge.

Oxygen generation system having a portable oxygen generator unit including a portable air separation device for the generation of an oxygen-rich gas, a primary gas pump including means to supply air to the portable air separation device, a primary motor to drive the gas pump, a rechargeable power supply to drive the motor, connector means adapted to deliver power to the rechargeable power supply, flow coupling means to transfer the oxygen-rich gas from the portable oxygen generator unit, and a first oxygen-rich gas product discharge port. The system also includes a stationary base unit adapted to couple with the portable oxygen generator unit, wherein the stationary base unit has a stationary power supply system including connector means adapted to recharge the rechargeable power supply in the portable oxygen generator unit, flow coupling means to receive the oxygen-rich gas from the portable oxygen generator unit, and an optional second oxygen-rich gas product discharge port.

Provided is a gas compressor with a variable diffuser system capable of suppressing stall and surge. The gas compressor includes i) an impeller fixed to a rotation shaft and having a plurality of blades each including a wing surface and an edge surface on an outer circumferential surface thereof; ii) a shroud surrounding the wing surface; iii) a ring valve installed on a diffuser passage connected with an outlet of the impeller and moving in a direction parallel to the rotation shaft to open and close the diffuser passage; iv) a plurality of veins installed in a circumferential direction of the diffuser passage outside the ring valve in the diffuser passage; and v) an actuator coupled with the ring valve and the plurality of veins to sequentially control movement of the ring valve and rotational angles of the veins.

A turbocharger system having a compressor wheel including blades that define an inducer and an exducer, a compressor housing configured to receive the compressor wheel, and an impeller passage within which air is to be compressed by the blades, wherein the compressor housing forms an intake port configured to provide intake air to the inducer, and a bypass port opening into the impeller passage between the inducer and exducer. The bypass port places the impeller passage in fluid communication with the atmosphere without having a fluid interaction with the intake air. A bypass-air filter is adapted to filter air passing between the bypass port and the atmosphere, and is a portion of the intake-air filter.

The invention discloses an integrated gas dispenser detection device through a standard meter method; the device comprises a gas disperser air inlet valve, a flowmeter I, a gas disperser pipeline pressure sensor, a gas disperser air outlet valve, a gas dispersing column air inlet valve, a flowmeter II, a gas dispersing column pipeline pressure sensor, a gas dispersing column air outlet valve, an embedded ARM (Advanced RISC Machine) mainboard and the like; the gas disperser air inlet valve, the flowmeter I and the gas disperser air outlet valve are connected in turn through a pipeline; the gasdispersing column air inlet valve, the flowmeter II and the gas dispersing column air outlet valve are connected in turn through a pipeline; and the flowmeter I, the flowmeter II, the gas disperser pipeline pressure sensor and the gas dispersing column pipeline pressure sensor are connected with the embedded ARM mainboard through a signal line. The device disclosed by the invention is used for solving the potential safety hazard caused by the current gas disperser field detection device and solving metering detection of a gas dispersing column and a gas discharging column; in addition, the embedded ARM mainboard is adopted, and the device is connected to a liquid crystal display screen, a keyboard and the like; therefore, operations, such as a detection step, a control process, a detection result and the like, are completely realized on the device.

The invention discloses a soft package battery and a vehicle. The soft package battery comprises a battery module and a cooling device, wherein the battery module comprises at least one battery direct-connection group layer, each battery direct-connection group layer comprises at least two battery direct-connection groups arranged side by side, each battery direct-connection group comprises one ormore battery cell stacks connected in series, and every two adjacent battery direct-connection groups arranged side by side are connected through first tab brackets at two ends of the battery direct-connection group; the cooling device comprises heat-conducting glue and a liquid cooling plate, the liquid cooling plate is a wavy curved plate or a Z-shaped zigzag plate, the liquid cooling plate isarranged between any two adjacent battery direct connection groups which are arranged side by side in each battery direct connection group layer, and the space between the battery direct connection groups and the liquid cooling plate is filled with the heat-conducting glue. According to the soft package battery, the heat conduction efficiency is improved from the arrangement mode of the liquid cooling plates and the structure of the liquid cooling plates, the cooling effect is good, and the internal structure of the battery is simpler.

The present invention provides means to extend the flow rate range over which a downhole turbine 70 will return a power output sufficient to meet the minimum downhole power requirements. In one embodiment, the present invention relates to an arrangement of axial vanes 77 that are situated such that the rotation of the rotor 76 generates an increasing drag force, thereby extending the upper limit of the flow rate range. In another embodiment, the present invention relates to an arrangement of restriction assemblies 75 that can be used to maximize the fluid velocity relative to the fluid flow rate past the stator 74 to achieve the necessary speed and power to rotate rotor 76, thereby extending the lower limit of the flow rate range. In another embodiment, the axial vanes 77 and restriction assemblies 75 are used in combination to further extend both the upper and lower limits of the flow rate range of the downhole turbine 70.

In a multistage centrifugal compressor, a plurality of impellers is attached to the same rotary shaft. Vaned Diffusers and vaneless diffusers are used, as diffusers, for respective compressor stages configuring the compressor. The vaned diffusers are continuously used from the first compressor stage to the middle compressor stage, and the vaneless diffusers are used for the last compressor stage and the previous stage. While high efficiency is maintained at the compressor stages having the vaned diffusers, an operating flow range is secured at the compressor stages having the vaneless diffusers.

A turbocharger system having a compressor wheel including blades that define an inducer and an exducer, a compressor housing configured to receive the compressor wheel, and an impeller passage within which air is to be compressed by the blades, wherein the compressor housing forms an intake port configured to provide intake air to the inducer, and a bypass port opening into the impeller passage between the inducer and exducer. The bypass port places the impeller passage in fluid communication with the atmosphere without having a fluid interaction with the intake air. A bypass-air filter is adapted to filter air passing between the bypass port and the atmosphere, and is a portion of the intake-air filter.

An improved atomizer, in which the liquid to be sprayed is circulated around the nozzle tip to prevent degradation of the liquid in hot environments. The circulation is controlled by a valve, which permits the liquid to circulate even when no liquid is being sprayed.

An apparatus for separating multi-phase fluids, comprising a cyclonic separator (40) having an inlet (42) for multi-phase fluids, a cyclonic separation chamber, a first outlet (44) for relatively high density fluids and a second outlet (46) for relatively low density fluids, and a secondary separator (52) comprising a separation vessel in which fluids are separated primarily by gravity, a first inlet (96) connected to receive the relatively high density fluids, a second inlet (94) connected to receive the relatively low density fluids, a first outlet (54) in the upper part of the vessel for a separated gas phase and a second outlet (56) in the lower part of the separation vessel for a separated liquid phase.

The invention discloses a push-pull water diversion valve for an engineering geologic drilling water pressing test. The push-pull water diversion valve comprises a push-pull core rod, an upper valve body, a lower valve body, a supporting seat, a ball valve seat, a moving steel ball and a steel ball ejector rod, the upper valve body, the lower valve body and the supporting seat are connected through threads to form a valve chamber, an outer pipe is connected with an end cap and the valve chamber through threads, the supporting seat and the lower valve body as well as the steel ball ejector rodform a whole inside the outer pipe through threads, the core rod and the ball valve seat are connected in the valve chamber composed of the upper and lower valve bodies through threads, and the movingsteel ball is arranged on the upper portion of the ball valve seat. A ventilation hole is drilled in the outer side of the upper valve body, two water feeding ring grooves 2 and two water feeding holes are formed in the inner wall of the lower valve, and water feeding holes in the core rod and water feeding holes of the end cap can be communicated with the water feeding holes of the lower valve body, water feeding holes of the supporting seat and an inner cavity passage of the lower valve body. The push-pull water diversion valve is simple in structure, switching and closing of water passagescan be realized by moving the core rod in the valve chamber to different positions, and working requirements on expanding plug water pressing, water pressing test, drill rod water pressure release and capsule pressure release of the drilling water pressing test can be met.

An improved atomizer, in which the liquid to be sprayed is circulated around the nozzle tip to prevent degradation of the liquid in hot environments. The circulation is controlled by a valve, which permits the liquid to circulate even when no liquid is being sprayed.

In order to provide an exhaust gas dilution device capable of making a flow rate range wider than before, the exhaust gas dilution device is adapted to include a dilution tunnel through which diluent gas such as air flows, an orifice member adapted to block the dilution tunnel except for an orifice hole provided in a central part, and an exhaust gas introduction pipe 1 of which a discharge port is disposed so as to face to the orifice hole and face to a downstream side and through which exhaust gas is discharged from the discharge port into the dilution tunnel. In addition, in the exhaust gas dilution device, the orifice member is formed with a concave part that is gradually concaved from an outer circumferential edge part toward the orifice hole as viewed from an upstream side.

The invention belongs to the submersible pump manufacturing technology, in particular to the manufacturing technology of a centrifugal multi-grade submersible pump. With the same casing of the pump used, the submersible pumps with different flows are manufactured through the change of impellers. The impellers are designed according to the solution of the parameters of Euler equation. Then, a unary theory design method is adopted for the adjustment of the preliminary design. The casing of the pump is commonly used through the adjustment of the main sizes and angles of the impellers and the adjustment of the size of a sealing ring. With the generality of the casing of the pump improved, few pump casings can be used for manufacturing the submersible pumps with a plurality of specifications. The product cost is greatly lowered, the processing and the management are simplified, the resources are effectively saved, and the production cost is lowered.

A compressor for a motor-compressor set, comprising, on a rotating shaft, a balancing piston, a set of bladed wheels, a rear cavity of the piston adjacent to the balancing piston on a side opposite to the set of bladed wheels, a regulation valve suitable for coupling the rear cavity to the input of the set of bladed wheels, a suction pressure chamber coupled to the input of the set of bladed wheels, the rear cavity being arranged between the balancing piston and the suction pressure chamber. The compressor comprises a discharge pressure chamber arranged between the rear cavity of the piston and the suction pressure chamber, the discharge pressure chamber being coupled via a discharge line to a discharge area between the set of bladed wheels and the balancing piston.

The invention discloses a Y-shaped flow regulating and pressure regulating valve. The Y-shaped flow regulating and pressure regulating valve comprises a valve body, a valve cover, a valve rod, a sliding sleeve, a flow regulation sleeve, a valve rod bracket and a driving device, wherein the flow regulation cylinder comprises a cylinder body, arrays of overflowing holes are formed in the side wall of the cylinder body; every two arrays of the overflowing holes form a group; the centers of the overflowing holes in every two arrays are staggered; the overflowing holes in the same array are at least divided into an overflowing region and a blow down rinsing region from top to bottom; a plurality of main regulating overflowing holes of which the hole diameters are the same are arranged on each overflowing region; a plurality of blow down rinsing overflowing holes are formed in each blow down rinsing region; the hole diameter of the blow down rinsing overflowing holes is greater than that ofthe main regulating overflowing holes in each main regulating overflowing region; a throttling region is also arranged in one side adjacent to the sliding sleeve, at the upper parts of the overflowingregions of two symmetric groups of the overflowing holes; a plurality of throttling overflowing holes are formed in the throttling region; the hole diameter of the throttling overflowing holes is smaller than that of the overflowing holes in each overflowing region; and two arrays of the throttling overflowing holes in the same group are staggered. The Y-shaped flow regulating and pressure regulating valve disclosed by the invention has the advantages of being large in flow regulating and pressure regulating range, high in flow regulating precision, small in valve vibration, low in noise andthe like.

The invention aims to solve the technical problem of the technical bottleneck that an existing supercharge of a diamond cubic press is incapable of completely satisfying the supercharging demand, and provides a rotary type ultrahigh pressure supercharger of a synthetic diamond cubic press. The rotary type ultrahigh pressure supercharger comprises a shell and an eccentric shaft penetrating the shell, wherein a power source and an oil supply pump are mounted on the shell, at least four oil distributing valves are uniformly distributed along the periphery of the shell, a plunger is mounted on each oil distributing valve, and a transition ball body is arranged between each plunger and the eccentric shat. The technical bottleneck of an original high pressure pump with a single orbit and two plungers is broken through so as to obtain the technological achievement of a single orbit with multiple plungers such as four plungers, six plungers and eight plungers, the flow range and the pressure range of the rotary type ultrahigh pressure supercharger are improved, and the rotary type ultrahigh pressure supercharger is suitable for various cavity cubic press hosts and other ultrahigh pressure equipment.

The present invention provides means to extend the flow rate range over which a downhole turbine 70 will return a power output sufficient to meet the minimum downhole power requirements. In one embodiment, the present invention relates to an arrangement of axial vanes 77 that are situated such that the rotation of the rotor 76 generates an increasing drag force, thereby extending the upper limit of the flow rate range. In another embodiment, the present invention relates to an arrangement of restriction assemblies 75 that can be used to maximize the fluid velocity relative to the fluid flow rate past the stator 74 to achieve the necessary speed and power to rotate rotor 76, thereby extending the lower limit of the flow rate range. In another embodiment, the axial vanes 77 and restriction assemblies 75 are used in combination to further extend both the upper and lower limits of the flow rate range of the downhole turbine 70.

The invention provides a wide-flow-range turbocharger which comprises a turbine rotating shaft, a compressor volute, a middle body, an impeller and a turbine box. The turbine rotating shaft sequentially penetrates through the interior of the compressor volute, the interior of the middle body and the interior of the turbine box. The impeller is a two-mirrored impeller of an integrated structure and is arranged on the turbine rotating shaft in a sleeving manner. The compressor volute comprises a front-stage compressor volute body and a rear-stage compressor volute body. The front-stage compressor volute body and the rear-stage compressor volute body are provided with a front-stage air inlet channel and a rear-stage air inlet channel to form a double-air-inlet structure. Bidirectional air inlet of the double-air-inlet structure forms a shared diffuser structure at a diffusion cavity, where the rim of the impeller is located, of the front-stage compressor volute body. The wide-flow-range turbocharger has the beneficial effects that the double-air-inlet structure and the double-mirrored impeller of the integrated structure are adopted, the flow range is broadened greatly on the aspect of performance, the performance of a compressor is improved, and the two-stage air inlet shared diffuser is achieved.

The invention discloses a composite solar seasonal heat storage heating device which is structurally provided with a front frame, a heat collection device, a heating device, a circulating water pipe and a supporting frame, the heat collection device is fixedly installed above the front frame, the heating device is embedded in the upper end of the supporting frame, the front frame is fixedly connected to the front side of the supporting frame in an embedded mode, and the heat collection device is located on the front side of the supporting frame. The telescopic ring can be driven to annularly stretch out and draw back through stretching out and drawing back of the connecting frame, so that the whole moving body continuously stretches out and draws back outside the heat generation column, concentrated heat generated by the heat generation column is conveniently diffused and driven, hot gas is accelerated to flow to the heat conduction frame, and the vertical rod is driven to stretch out and draw back to further increase the moving force of reciprocating displacement of the fan block. The elastic balls are driven by the toughness of the tough blocks to generate small-amplitude elastic power, certain swinging power is provided for the fan blocks, and the fan blocks are made to change while moving close to the heat conduction frame in a reciprocating mode, so that heat is accelerated to be driven to the heat conduction frame, the flow direction range of the heat is enlarged, and the efficiency of conducting heat to water in the water carrying tank is improved conveniently.

The invention discloses a load pressure self-feedback flow regulating valve, and belongs to the application field of hydraulic machinery and motor vehicles. The self-feedback flow regulating valve is provided with four oil ports of a K1 control end, a K2 control end, a P1 output end and a P2 input end, and the P1 output end and the P2 input end are connected with an oil inlet and an oil outlet in a control oil circuit separately; K1 and K2 are two external pressure control ends, and the K2 end and a valve core spring pressure reset are in the same direction; the K1 end is used for controlling the flow regulating valve to tend to flow reduction; the K2 end is used for controlling the flow regulating valve to tend to flow increase, and in use, the K1 end and the K2 end are connected with the corresponding load pressure according to the requirements separately; and the opening degree of the flow valve is controlled through load pressure, and load self-feedback control is formed. According to the self-feedback flow regulating valve, the opening degree of the valve core can be automatically adjusted through the pressure feedback control end, and the purpose of flow regulation is achieved; and compared with a traditional electromagnetic proportional throttle valve, the self-feedback flow regulating valve has the advantages of large flow control range, simple and compact structure and convenient integration in a hydraulic system.