70 results about "Injector" patented technology

A reactor for processing a substrate includes a first housing defining a processing chamber and supporting a light source and a second housing rotatably supported in the first housing and adapted to rotatably support the substrate in the processing chamber. A heater for heating the substrate is supported by the first housing and is enclosed in the second housing. The reactor further includes at least one gas injector for injecting at least one gas into the processing chamber onto a discrete area of the substrate and a photon density sensor extending into the first housing for measuring the temperature of the substrate. The photon density sensor is adapted to move between a first position wherein the photon density sensor is directed to the light source and a second position wherein the photon density sensor is positioned for directing toward the substrate. Preferably, the communication cables comprise optical communication cables, for example sapphire or quartz communication cables. A method of processing a semiconductor substrate includes supporting the substrate in a sealed processing chamber. The substrate is rotated and heated in the processing chamber in which at least one reactant gas is injected. A photon density sensor for measuring the temperature of the substrate is positioned in the processing chamber and is first directed to a light, which is provided in the chamber for measuring the incident photon density from the light and then repositioned to direct the photon density sensor to the substrate to measure the reflection of the light off the substrate. The incident photon density is compared to the reflected light to calculate the substrate temperature.

A fuel system for an engine has a source of pressurized fuel, a rail, and a plurality of fuel injectors. The fuel system also has a sensor to sense a parameter of the pressurized fuel, and a controller. The controller is configured to generate a flow control offset value indicative of a difference between the value of the parameter and a desired value for the parameter, and to control operation of the source in response to the flow control offset value when the sensor is determined to be functioning properly. The controller is also configured to store the flow control offset value in a memory of the controller when the sensor is determined to be functioning properly and to associate the flow control offset value with at least one operating condition of the engine. The controller is further configured to control operation of the source in response to previously stored flow control offset value when the sensor is determined to be malfunctioning.

The triple pipe double high pressure rotary jetting sprouting method for reinforcing construction includes jetting high pressure water flow coating compressed air via the upper nozzle and jetting high pressure cement slurry coating compressed air via the lower nozzle separately to twice cut the soil before the cement slurry and the stirred soil mix to form foundation reinforcing pile. The rotary jetting apparatus for the construction has both high pressure water nozzle and high pressure cement slurry nozzle for the first soil cutting and the second soil cutting separately. The present invention can form high pressure jet with great energy and powerful soil breaking effect, and can form large and deep reinforcing pile.

Providing an injector driving control apparatus that operates with minimum power consumption while ensuring linearity (proportionality between the current supply duration and fuel injection volume of the injector) in a wide fuel pressure range. Providing a coil current feedback circuit and controlling the current feedback duration according to fuel pressure after applying the current at a boost voltage. The present invention enables optimal control of the injector and hence, the improvement of its fuel injection volume characteristics (linearity) and the reduction of the heat generated in the injector driving control circuits.

An apparatus and method for determining a parameter related to fuel consumption in an engine are disclosed. An electrical sensor senses an electrical control signal used to control fuel introduced into the engine, such as by controlling a valve or fuel injector of the engine. The electrical sensor generates a measurement signal that is indicative of an electrical parameter such as frequency or voltage of the electrical control signal. A processor receives the measurement signal and uses the measurement signal to determine the parameter related to fuel consumption. The parameter can be volume of fuel consumed, fuel consumption rate, fuel efficiency or other related parameter.

The invention discloses a three-dimensional printer, a three-dimensional printing method and a preparation method for metal slurry. The printer comprises a support, a printing base plate arranged on the support, an injector arranged on the support and an X-axis stepping motor, a Y-axis stepping motor and a Z-axis stepping motor which are arranged on the support; the injector is used for containing the metal slurry, a spray nozzle is installed at an outlet of the injector, the center line of the spray nozzle perpendicularly intersects with the printing base plate, and the spraying direction of the spray nozzle points to the printing base plate; the X-axis stepping motor, the Y-axis stepping motor and the Z-axis stepping motor control the injector to move in the X-axis direction, the Y-axis direction and the Z-axis direction relative to the printing base plate respectively, an E-axis stepping motor controls a piston of the injector to be pushed in or pulled out of the injector, and any two of an X axis, a Y axis and a Z axis are perpendicular to each other. The printer and the printing method are used for solving the technical problem that in the prior art, a three-dimensional metal printer is high in equipment cost; on the basis that the printing precision is guaranteed, the technical effects of being simple in structure and lowering the cost are achieved.

A fluid ejecting device and method of forming same are provided. The fluid ejecting device includes a substrate having a first surface and a second surface located opposite the first surface. A nozzle plate is formed over the first surface of the substrate. The nozzle plate has a nozzle through which fluid is ejected. A drop forming mechanism is situated at the periphery of the nozzle. A fluid chamber is in fluid communication with the nozzle and has a first wall and a second wall with the first wall and the second wall being positioned at an angle relative to each other. A fluid delivery channel is formed in the substrate and extends from the second surface of the substrate to the fluid chamber. The fluid delivery channel is in fluid communication with the fluid chamber. A source of fluid impedance comprises a physical structure located between the nozzle and the fluid delivery channel.

The invention relates to an ion acceleration apparatus and belongs to the nuclear energy technology field. A high-frequency electric-focusing high-gradient ion acceleration apparatus is mainly characterized in that the high-gradient ion acceleration apparatus comprises four mutually-vertical T-shaped plates arranged in a vacuum cavity cylinder, a plurality of drift tubes are fixedly connected between the two T-shaped plates respectively by drift-tube support bars, the plurality of drift tubes and the vacuum cavity cylinder are on a same central line, vertical high-frequency electric quadrupole lenses are oppositely mounted between the drift tubes and are fixedly connected between the vertical T-shaped plates, and horizontal high-frequency electric quadrupole lenses are oppositely mounted between the drift tubes and are fixedly connected with the two horizontal T-shaped plates. The advantages of the apparatus provided by the invention in acceleration of high-intensity ion beams, a structure is compact, so that beam quality is excellent; an acceleration function and a transverse and longitudinal focusing function are combined in the same high frequency structure, cavity shunt impedance is high and high-frequency power consumption is greatly reduced; and zero phase is utilized to accelerate, acceleration efficiency is relatively high, length of the cavity can be effectively reduced and effective acceleration gradient is raised. The ion acceleration apparatus provided by the invention is mainly used for acceleration of high-intensity low-energy ion beams and can be used for application-type acceleration apparatuses such as injectors of high-intensity accelerators, industrial accelerators and treatment apparatus injectors.

A fuel injector system includes an outer support and an inner support, with a feed arm extending radially between the inner support and the outer support. A plurality of outlet openings extend in an axial direction from the feed arm for feeding respective injection nozzles. The outer support and feed arm define a plurality of fuel passages therethrough to convey fluid from an external source through the outer support and feed arm to the outlet openings. A heat shield extends around the feed arm from the outer support to the inner support. The heat shield is spaced apart from the feed arm with an insulative gap therebetween.

A coiled tubing injector system which includes transport trailer components for separate transfer to and from a drilling site. Each component is taken to the site with its own transport tractor, a first component including a coil storage reel and a second component including a tubing injector carried on a mast which is raised from a horizontal transport position, through a stabbing and unstabbing position to a raised working position. When the components are arranged together in an end-to-end with the mast in a stabbing position, a tube gripping member is positioned between the storage reel and tubing injector for controlling the handling of a free end of the stored tubing for stabbing and unstabbing of the tubing injector.

Operating a self-igniting internal combustion engine includes: specifying a setpoint combustion position and a setpoint combustion noise feature; operating at least one cylinder of internal combustion engine for at least one cycle while maintaining a first injector control variable and/or an air valve control variable and a second injector control variable and/or a second air valve control variable; ascertaining actual combustion position and actual combustion noise feature of the at least one cylinder; comparing the actual combustion position to the setpoint combustion position and, in case the actual combustion position deviates from the setpoint combustion position, determining anew the first injector control variable and/or the air valve control variable; and comparing the actual combustion noise feature to the setpoint combustion noise feature and, in case the actual combustion noise feature deviates from the setpoint combustion noise feature, determining anew the second injector control variable and/or the air valve control variable.

The present invention relates to an apparatus for field-flow fractionation and to a method for separating samples by means of field-flow fractionation using this apparatus. The apparatuses of the invention comprise one or more reservoirs, a pump, a first flow volume splitting device, two valves for flow control, an injector, a separation channel having a first connector at a first end and a second connector at a second end or an AF4 separation channel having a first connector at a first end, a second connector at a second end and a third connector between the first and the second ends, optionally a second flow volume splitting device, a back-pressure element, one or more detector(s), a flow volume control device and one or more waste container(s). The apparatuses of the invention are characterized in that they comprise a valve for flow control in a first flow path and a second flow path which connect the pump to the first or the second or the third connector of the separation channel and that these valves are switched alternately in a controllable time ratio.

The invention provides a diesel-alternative fuel hybrid combustion engine control method without an electric oil pump rack actuating mechanism, belonging to the field of engine control. According to the invention, an exhaust temperature sensor, a wide-range oxygen sensor, a mixedly burning ratio information display screen, an alternative fuel injection controller, a high pressure diesel pump rack displacement sensor and an alternative fuel injector are additionally arranged on an original diesel engine with a mechanical high pressure fuel pump; a high pressure diesel pump rack is mechanically connected with a vehicle accelerator pedal; and according to the position of the high pressure oil pump rack of the diesel engine, the alternative fuel injection controller determines the injection quantity of alternative fuel in combination with estimation on the excess air coefficient of an engine and the operation intention of the driver and sends a control command to drive an alternative fuel injection valve to inject corresponding alternative fuel to an engine intake pipe. The method has the beneficial effects of lowering the cost and overcoming the adverse factors caused by the adoption of an electric oil pump rack actuator and can be widely applied to the diesel-alternative fuel hybrid combustion engines.

The invention discloses a deep sea cobalt crust shattering method and a device thereof; the method adopts mechanical tooth and water jet to shatter deep sea cobalt crust in a combining way, and high pressure water flow is jetted to impact a stress area of the deep sea cobalt crust to assist to shatter the deep sea cobalt crust when mechanical force is applied by the mechanical tooth to shatter the deep sea cobalt crust. The device comprises a mechanical crushing device and a water injector which are used for acting on the deep sea cobalt crust together; the water injector includes a water tank, a high pressure pump, a first valve, an energy accumulator, a second valve, a controller and a nozzle; wherein, the water tank, the high pressure pump and a check valve are sequentially connected with each other in series and then are connected with the energy accumulator which is also connected with the nozzle by the second valve. The invention can reduce the impact load acting on a shattering head in the crushing process of the cobalt crust, and improve the travelling speed of a mining machine.

A fuel injector comprising a hollow body for housing a metering valve with a calibrated pipe for outlet of the fuel from a control chamber. The calibrated pipe is normally kept closed by a shutter controlled by an electromagnet comprising a magnetic core and an electric coil housed in an annular slot of the core. The coil outer cylindrical surface forms a gap with the annular slot so as to be lapped by the fuel coming out of the calibrated pipe. The coil comprises a bobbin having a pair of appendages for supporting electric supply plugs, which are englobed at least in part in a block of non-magnetic material. The bobbin has a substantially cylindrical rib, one flange adjacent to an end portion of the plugs, and another flange having a smaller diameter that forms a passage for the fuel between the calibrated pipe and the gap.

A detecting device for a fuel injector includes a sensor unit and an ECU. The sensor unit is provided with a fuel pressure detection circuit which outputs a pressure detection signal in response to a fuel pressure. The ECU computes the fuel pressure based on a voltage value of the pressure detection signal relative to a reference voltage. The ECU obtains a comparative voltage according to an applied-voltage to the fuel pressure detection circuit and computes a deviation between the comparative voltage and the reference voltage. The sensor unit adjusts the applied-voltage in such a manner as to decrease the deviation. Thus, the computation accuracy of the fuel pressure is improved.

A fluid ejector having a first surface, a second surface, and an orifice that allows fluid in contact with the second surface to be ejected. The fluid ejector has a non-wetting layer exposed on at least a first surface of the fluid ejector, and a overcoat layer exposed on a second surface, the overcoat layer being more wetting than the non-wetting layer. Fabrication of this apparatus can include depositing a non-wetting layer on the first and second surfaces, masking the first surface, optionally removing the non-wetting layer from the second surface, and depositing an overcoat layer on the second surface.

A fuel cooled cooling air heat exchanger includes a fuel injector and an airflow body. The fuel injector has a fuel flow passage formed therein that includes a fuel inlet port and a fuel outlet port. The airflow body is coupled to and surrounds at least a portion of the fuel injector. The airflow body has an inner surface that is spaced apart from the fuel injector to define an airflow passage between the airflow body and the fuel injector, and the airflow passage includes an air inlet port and an air outlet port.

An internal combustion engine (1) for operation in a switchable manner with liquid fuel or gaseous fuel operates with pilot injection in the gas mode, wherein in the event that the injectors (5, 8) provided for the pilot injection in the gas mode and for the injection in liquid fuel mode are connected to a common accumulator (6), the pressure level thereof is lower for the pilot injection in the gas mode than for the operation with liquid fuel.

At least one of the main injectors of the engine, forming a starter main injector, is fed directly by the pressurized feed pipe, while a head loss is imposed between the pressurized feed pipe and the other main injectors. Ignition is caused to take place at the starter main injector, and after ignition, said head loss imposed between the feed pipe and the other main injectors is eliminated so that all of the main injectors are fed with fuel at substantially the same pressure, without any imposed head loss.

The invention relates to the technical field of a rocket engine, specifically relates to a rocket engine injection structure, an injection device, a rocket engine and a rocket suitable for a liquid rocket engine. An inner nozzle structure in the rocket engine injection structure is provided with an inner wall structure distributed circumferentially, the inner wall structure extends outward integrally to form an outer wall structure; the injection structure forms an annular cavity surrounding the inner nozzle structure between the inner wall structure and the extended outer wall structure; an outer inlet is formed in the annular cavity and provided with an outer nozzle arranged in the same direction of the inner nozzle, so that the annular cavity can play a role similar to the outer nozzlestructure; when realizing atomizing and mixing oxidant and fuel in the rocket engine, the annular cavity is formed by the inner wall structure of the inner nozzle integrally extending outwards, so thesituation that the existing inner nozzle structure and the outer nozzle structure adopt a welding mode to generate welding seams is avoided, the use of welding in the injector is reduced, and the quality and yield of the injector are improved.

The invention relates to the technical field of medical instruments, and provides a needle removing device which is composed of a motor, two same gears which are meshed with each other, two clamping jaws, two eccentric wheel shafts, two sliding shaft sleeves and a support. The two clamping jaws, the two eccentric wheel shafts and the two sliding shaft sleeves are arranged in a mirror symmetry mode, and the motor drives the two eccentric wheel shafts through the two same gears which are meshed with each other; when a needle extends between meshing teeth of the two clamping jaws of the needle removing device, a sensor triggers a microswitch to start the motor, the power is sent to eccentric wheels through the two same gears which are meshed with each other, the eccentric wheel shafts drive eccentric wheel sleeves to repeatedly move forward, downward, backward and upward, and therefore the clamping jaws are driven by sliding shafts fixed on the eccentric wheel sleeves to generate repeated actions to firmly grasp downward and loosen upward. By means of the needle removing device, an injector and the needle can be separated automatically, and the situation that the hand of an operator touches the portion, possibly existing high infection virus, of a needle throwing opening.