45results about How to "Avoid cross flow" patented technology

A variety of methods for operating a chromatography system are presented. Specifically, methods for operating a pumping system within a chromatography system are presented. The methods presented are directed to pumping apparatus in which very small amounts of fluid are pumped through the system. A number of techniques for detecting and compensating for leaks are presented as well as a number of techniques for operating the pumping system.

A plurality of guide vanes (34) in a variable turbine geometry turbocharger (10) regulates a flow of exhaust gas. The guide vanes (34) are selectively adjustable between an open position to allow the flow of exhaust gas to drive a turbine wheel (24) and a closed position to block the flow of exhaust gas. A first flow feature (58) is disposed on first (44) and second (46) edges of the guide vanes (34) to disturb the flow of exhaust gas to prevent leakage of exhaust gas around the first (44) and second (46) edges. A second flow feature (64) is disposed on front (60) and rear (62) surfaces of the guide vanes (34) to channel the flow of exhaust gas between adjacent guide vanes (34) when the guide vanes (34) are in the open position to prevent swirling and/or cross flow of the exhaust gas.

The present invention discloses an orange splitting technology in orange can processing. Firstly, orange balls are soaked in clear water, then the orange ball is hold in one hand hold, a splitting bow is hold in the other hand, and the orange is split by the splitting bow. The splitting technology of the present invention prevents fingers from squeezing orange segments; specific operation is relatively detailed, standard and comprehensive; the splitting technology is convenient for instructing and training, but most of all, can directly reduce the number of orange segments oozing juice, thereby preventing juice from oozing crossover; and the splitting technology attains split orange segments of high quality, and can, to a certain extent, improve production efficiency and product quality, and reduce raw material consumption.

A driver device is for switching on and off a transistor for supplying a load by driving a control electrode of the transistor. The driver device includes a first terminal connected to the control electrode of the transistor, a second terminal connected between the transistor and the load, and a current-discharge path coupled to the first terminal. The current-discharge path includes a diode and is activated when the transistor is switched off. The diode becomes non-conductive to interrupt the current-discharge path when the voltage on the second terminal reaches a threshold value.

A coolant circuit for an internal combustion engine having a cylinder crankcase with at least two opposing cylinder banks, and cylinder heads associated to the cylinder banks, includes a first subcircuit for cooling the cylinder crankcase and a second subcircuit in separate parallel relationship to the first subcircuit for cooling the cylinder heads. A coolant pump circulates a coolant at least temporarily between a main heat exchanger and the cylinder heads and/or cylinder crankcase. At least one check valve is arranged in the first subcircuit to allow a flow of coolant through the cylinder banks only in a direction from an intake side to an exhaust side.

The invention discloses a general-surgery-department wound debridement assisting device for outdoor rescue. The general-surgery-department wound debridement assisting device comprises a nursing box and a debridement support plate and is characterized in that the upper-end open part of the nursing box is slidably provided with a first box plate, the first box plate is provided with a concave part for fixedly placing the debridement support plate in an assistant manner, the body of the nursing box is provided with a first accommodating groove for storing the debridement support plate and a second accommodating groove and a third accommodating groove which are used for storing debridement surgical tools inside, the debridement support plate is rectangular, the lower end face of the debridement support plate is provided with a protrusion part adaptive to the concave part on the first box plate, one side, located in the length direction, of the debridement support plate is provided with a pair of opposite bandages with hook and loop fastener son surfaces on the surfaces, the other side, located in the length direction, of the debridement support plate is provided with a pair of hook and loop fastener mother faces for fixing the movable ends of the bandages, and after the bandages stretch over the upper portion of the debridement support plate, the movable ends can be fixed through the coordination of the hook and loop fastener son surfaces and the hook and loop fastener mother faces so as to fix the limbs of a wounded person to the debridement support plate.

The present invention discloses a mine dust removing apparatus and a mine dust removing method. The mine dust removing apparatus comprises a mineral conveying unit and a water vapor atomizing unit, wherein the mineral conveying unit comprises a high position conveyor, a first sealing soft curtain, a breaking inlet rolling channel, a breaking device, a mineral outlet, a connection rolling channel, a second sealing soft curtain and a low position conveyor, the high position conveyor, the first sealing soft curtain, the breaking inlet rolling channel, the breaking device, the mineral outlet, the connection rolling channel, the second sealing soft curtain and the low position conveyor are sequentially connected, the water vapor atomizing unit comprises a pressure gas source, a pressure water source, a spraying controller and four gas-water atomizing nozzles, one end of the spraying controller is connected to the pressure gas source and the pressure water source, the other end is connected to the four gas-water atomizing nozzles through a pressure gas pipeline and a pressure water pipeline, the two gas-water atomizing nozzles are arranged on the upper end of the breaking inlet rolling channel, the spraying direction is along the mineral conveying direction, the other two gas-water atomizing nozzles are arranged on the lower end of the connection rolling channel, and the spraying direction is opposite to the mineral conveying direction. With the apparatus and the method of the present invention, the problems of not strong practicality and easy secondary pollution formation of the existing dust removing apparatus and the existing dust removing method can be effectively solved, and advantages of simpleness, reliability, environmental pollution avoiding and the like are provided.

The invention provides an efficient split type diesel engine clustered cooling system and an application method thereof. A water cooling system, an oil cooling system, a single-air-cooling pressurizing diesel engine and a control system are included. The water cooling system comprises a water treatment unit and an ice water unit. The water treatment unit and the ice water unit are connected with the single-air-cooling pressurizing diesel engine through pipelines. The oil cooling system is provided with a heat exchange unit. A heat dissipation box, a cold water plate heat exchanger and an ice water plate heat exchanger are arranged in the heat exchange unit. An exhaust cover and an exhaust channel are arranged on the top of the heat dissipation box. The water treatment unit and the ice water unit are connected with the cold water plate heat exchanger and the ice water plate heat exchanger through pipelines. The single-air-cooling pressurizing diesel engine is connected with the interiors of the cold water plate heat exchanger and the ice water plate heat exchanger through oil pipes. The heat exchange unit is further provided with at least one standby heat exchange unit. According tothe efficient split type diesel engine clustered cooling system and the application method thereof, high efficiency and flexibility are achieved, function zone division is clear, arranging and overhauling are convenient, and work clustered usage of the large pressurizing diesel engine can be achieved.

The invention discloses construction waste treatment equipment. The construction waste treatment equipment comprises a transverse plate, a crusher and a first discharging plate, wherein the crusher isinstalled on the left side of the upper surface of the transverse plate, the first discharging plate is fixedly connected to a discharging port of the crusher, a material blocking device is installedon the left side of the lower portion of the first discharging plate, the construction waste treatment is combined with assembly equipment in multidirectional aspects, through mutual cooperation of structures such as an H-shaped plate, a first motor, a threaded rod, a gear and a T-shaped toothed plate, the first motor can drive the gear to rotate through the threaded rod, and the gear drives theT-shaped toothed plate to move, so that waste is blocked, through mutual cooperation of structures such as a first connecting rod, a third motor, a cam, a water spraying pipe, a water pump and a watertank, the third motor can drive a second connecting rod to move through the cam, the second connecting rod drives the water spraying pipe to reciprocate, meanwhile, the water spraying pipe conducts dust falling through water spraying, and the environment is protected.

A cross-fire tube for connecting adjacent combustors in a gas turbine includes a hollow tubular body having couplings at opposite free ends thereof, the hollow tubular body having a substantially circular cross-sectional shape with a maximum diameter region about mid-way between the couplings, tapering in opposite directions to smaller diameters at the free ends. A plurality of purge holes are located in the maximum diameter region.

The invention discloses a buried garbage collection device and belongs to the technical field of environmental protection appliances. The device comprises a box body; the box body is provided with a throw-in unit; a lifting unit is arranged on the lower portion of the box body; the throw-in unit comprises a housing with a throw-in opening; the housing is internally provided with a tipping bucket,the throw-in opening is opened when the tipping bucket is driven by a hinge rod part to upwards overturn,, and the throw-in opening is closed when garbage is poured into the box body through a conveying hopper due to gravity; the control terminal of the hinge rod part is provided with a foot pedal; and the box body is internally provided with a box body garbage volume monitor connected with a warning device through a processor. The problem that existing garbage collection devices are not found and cleaned in time when being filled with garbage, or cause environment pollutions of sewage runoff,overwhelming stench and rat breeding on rainy days can be solved.

An air purification unit is provided for individuals seated at a table that has a unit body adapted to be mounted at a mounting height at or above the approximate head height of individuals seated at the table, and in a position between the individuals. A motorized fan system is provided within the unit body that is configured to draw air from at least one inlet proximate the bottom of the unit body. A filter is positioned in communication with the inlet and the fan system for filtering air drawn through the inlet. The unit body has at least two ducted outlets disposed radially or axially for discharging filtered air toward the individuals, while the unit prevents cross-flow of breath air between the individuals.

A dual-type solar power generator comprising a dual capture panel. The dual capture panel comprises a reflective surface configured to reflect solar radiation having a reflecting wavelength and an absorbent surface configured to absorb solar radiation having an absorbent wavelength to create a released electron stream. A thermal transfer unit comprising a receiving zone configured to absorb heat energy, a heat engine that converts the heat energy to mechanical work energy, and a generator configured to convert the mechanical work energy to an electric current, an electric conditioning system comprising an electrical buffer configured to prevent a cross flow of the released electron stream and the electric current, a power converter configured to equalize a released electron stream voltage with an electric current voltage, an electrical connector configured to combine the released stream voltage with the electric current voltage to create a power source.

The invention provides a cleaning device with a water quality detection function. The cleaning device comprises a main machine body and a tray support. A control system, a cleaning liquid supply system, a sewage recovery system and a cleaning system are arranged on the main machine body. And the control system is electrically connected with the cleaning liquid supply system, the sewage recovery system and the cleaning system. When the main machine body is installed on the tray support, the cleaning system can be cleaned. And a program presetting module is arranged in the control system. And a TDS water quality detector and a conductive contact are arranged in the tray bracket. And the TDS water quality detector is positioned at the bottom of the tray bracket. The conductive contacts are located at the top of the tray support. And the TDS water quality detector is electrically connected with the conductive contact.

The invention provides a septic tank sludge treatment vehicle with a control arm. The septic tank sludge treatment vehicle at least comprises a vehicle body, a control cabinet, a grid residue presser, a screw press, an electric generator, a power distribution cabinet, a vacuum water tank and a stirring tank, and further comprises the control arm, a monitoring device, a flushing and digging device and a sewage suction device, wherein the control cabinet, the grid residue presser, the screw press, the electric generator, the power distribution cabinet, the vacuum water tank and the stirring tank are arranged in the vehicle body, and the monitoring device, the flushing and digging device and the sewage suction device are positioned on the control arm. According to the treatment vehicle, through cooperative operation of the control arm and an airtight device, the monitoring device, the flushing and digging device and the sewage suction device on the control arm, the automation degree of the septic tank sludge treatment vehicle is high, the number of workers is decreased, meanwhile, the airtight device prevents odor from overflowing, environmentally-friendly operation is achieved, the monitoring device monitors the cleaning degree in a septic tank in real time, the flushing and digging device performs multi-angle flushing, sludge in the septic tank is fully flushed, and the operation efficiency is improved.