41results about How to "Eliminate pressure loss" patented technology

A heat exchanger for cooling reaction gas, wherein the respective ends of heat exchanger tubes, through which the reaction gas flows, are inserted in a respective tube plate and are surrounded by a jacket, at the two ends of which are provided a respective end chamber that is partially delimited by one of the tube plates and serves for the supply and withdrawal of the reaction gas; water, as cooling agent, flows through the inner chamber of the heat exchanger that is surrounded by the jacket and that is divided by a partition, extending perpendicular to the heat exchanger tubes, which extend through it, into two partial chambers disposed one after the other in the direction of flow of the reaction gas, each partial chamber being provided with its own supply connectors and outlet connectors for the cooling agent; boiling water flows through the partial chamber that is disposed on the inlet side for reaction gas and that is connected via a supply line and withdrawal lines with a water/steam drum; feed water flows through the partial chamber that is disposed on the outlet side for the reaction gas and that is connected via a withdrawal line with the water/steam drum. The partition between the two partial chambers permits the passage of the cooling agent that flows in the inner chamber of the heat exchanger.

A gas meter comprising a housing (2) with a gas inlet connection (5) and an inflow chamber (16) which is arranged downstream of the latter and into which gas flows via an inflow opening (14), arranged downstream of which inflow chamber (16) is a measuring section (19) arranged upstream of a gas outlet connection (6) and having a measuring device (20), in which the gas flow is measured, wherein projecting into the inflow chamber (16) there is a tube (15) which merges into the measuring section (19) or forms the latter and runs substantially perpendicularly to the gas flow direction through the inflow opening (14) and overlaps the inflow opening (14), at least in a certain section.

An electrokinetic pump capable of producing high pressure is combined with a nozzle having a submicron orifice to provide a high pressure spray device. Because of its small size, the device can be contained within medical devices such as an endoscope for delivering biological materials such as DNA, chemo therapeutic agents, or vaccines to tissues and cells.

An ambient air intake duct of a static gas turbine is provided, having at least one filter, which is arranged in the intake duct, for cleaning the ambient air (A) that can flow through the intake duct. A method for operating a static gas turbine which is equipped with a filter for cleaning the ambient air (A) is also provided. To rapidly provide a higher level of gas turbine power to a generator, it is provided that, by means of a bypass or by means of flaps arranged downstream of the filter, partially to completely unfiltered ambient air (A) can temporarily flow into the compressor inlet.

The invention discloses a novel double-gland high-pressure pipeline displacement compensator, which belongs to the technical field of heat distribution pipeline compensating device structures used in petroleum, chemical industry, light industry, heating power, metallurgy and other industries. The compensator comprises an inner tube, a follower flange, an outer sleeve, a reducing extension pipe, asealing filler, an outer sleeve internal bearing platform, an inner tube convex outer ring, a composite sealing ring, a reducing tube bearing platform and the like, wherein the inner tube convex outer ring is integrally arranged on the inner tube; one end of the inner tube is inserted into the outer sleeve; the inner tube convex outer ring is positioned between the outer sleeve internal bearing platform and the reducing tube bearing platform; the composite sealing ring is pressed against between the inner tube convex outer ring and the reducing tube bearing platform; and a convex end face of the outer sleeve internal bearing platform is pressed against the other end of the inner tube so as to press the sealing filler of the follower flange. By the structure, the novel double-gland high-pressure pipeline displacement compensator has the characteristics of high precision, lower friction coefficient, smaller torque, lower pressure loss, higher bending resistance and bearing capacity, unlimited medium flow direction, reliable sealing, high performance and convenience of pipeline maintenance.

The invention discloses a cyclone air purifier, capable of effectively separating dust even without the second cyclone body. The cyclone air purifier provided according to the invention includes a cylinder-shaped body with an inflow port provided in the lower and an air channel for rotationally flowing the air inflowing from the inflow port; a plurality of cyclone bodies provided outside of the body for filtering dust in the air intaking from the air channel; a circulation tube provided inside of the body for guiding air discharging from each cyclone body to the air channel; an ionization device with a high voltage electrode part forming outside surface of the circulation tube and a ground electrode part forming inside surface of the body, for guiding the dust to inflow to the each cyclone body by using centrifugal force and electric gravitational force at the same time. And, a plurality of through holes for discharging compression air are formed in the side of the circulation tube to make dust in the air circulating along the air channel cleave to inside surface of the body.

The invention relates to a device for control of the flow through a production tube placed in an oil well. The device comprising a portion of the production tube provided with through orifices and protection equipment for providing resistance to wear by erosion. The protection equipment comprises several add-on sectors assembled around the portion of the tube. Each add-on sector provided with an associated inner stiffener penetrating into the portion of the production tube through at least one through orifice. At least one of the add-on sectors provided with at least one opening extending through the sector and its associated inner stiffener.

A dehumidifier has a water receiving tray receiving condensed water of the dehumidifier. The water receiving tray comprises a water tank outlet, a main water outlet arranged outside the casing of the dehumidifier as a whole, the main water outlet being arranged opposite the water tank outlet; a pump used for draining is provided on the bottom of the outside of the water receiving tray, the pump being directly connected with the water receiving tray, eliminating the need of providing a pipe to connect with the dehumidifier pump, therefore reducing the risk of leaking. By connecting the pump with the water receiving tray directly, the pressure loss due to the connection of pipe is eliminated; the drainage capacity of the pump is utilized fully. Without installing or detaching additional pipes during installment or maintenance, operation is easier.

A lift converging multiway valve belongs to the technical field of forklift multiway valves, and comprises an oil inlet and return valve plate and an oil inlet valve plate, wherein a lift converging valve plate, an inclined valve plate and an accessory valve plate are coordinately arranged between the oil inlet and return valve plate and the oil inlet valve plate, the oil inlet and return valve plate and the lift converging valve plate are arranged into an integral structure, a speed limit valve is arranged on the oil inlet and return valve plate, a lift valve rod is coordinately arranged in the lift converging valve plate, an oil channel and a group of oil ports are coordinately arranged in the multiway valve, an oil inlet check valve is coordinately arranged on the oil channel, and a safety valve is coordinately arranged at one side of the oil inlet and return valve plate. The double-pump working state is only applied when a forklift doorframe is lifted, for other motions of the doorframe, only one pump is required to work, the other pump unloads at low pressure, the normal lift motion of a forklift is ensured, the energy consumption loss of an engine or a motor is also decreased, the use of an oil pipe of a system is reduced, the lift converging multiway valve has a simple structure, the utilization rate of a valve body is improved, the manufacture costs of the valve and a pipeline can be saved, the pressure loss of the valve body can also be reduced, so an energy-saving effect is realized.

A compressed air filter apparatus includes a main flow path as a flow path in which compressed air should circulate, formed in a body to extend from a first opening into a penetration hole, an upper inner flow path extending from the penetration hole to an upper inner space, an upper inner and outer flow path extending from the upper inner space to an upper outer space to pass through an upper filer element, a communication flow path extending from the upper outer space to a lower outer space to pass through a communication hole, a secondary flow path extending from the lower outer space to a second opening, a lower inner flow path extending from the penetration hole to a lower inner space, and a lower inner and outer flow path extending from the lower inner space to the lower outer space to pass through a lower filter element.

The invention provides an intelligent corrosion-resistant anti-interference vortex precession flowmeter and a processing and assembling process. The intelligent corrosion-resistant anti-interference vortex precession flowmeter comprises a vortex precession housing, a vortex generation body, a sensor and a control system. The vortex generation body is arranged in the vortex precession housing, the sensor is fixed on the exterior of the vortex precession housing and is electrically connected with the vortex generation body, the sensor is electrically connected with the control system, the vortex generation body is manufactured by means of a composite casting process, the body cavity of the vortex precession housing and the vortex generation body are both subjected to surface hardening and corrosion resisting processes, a control module of the sensor employs a 16-bit MSP430F5438A single-chip microcomputer, the MSP430F5438A single-chip microcomputer employs a compiler and can provide an IARWorkbench system having the C language standard characteristic, and program software of the control system is compiled through the C language. The intelligent corrosion-resistant anti-interference vortex precession flowmeter has performances of intelligence, corrosion resistance, anti-interference, noise reduction, full functionality and low power consumption and the like.

The invention relates to the technical field of test equipment, in particular to a vehicle-mounted lens sealing test device. The vehicle-mounted lens sealing test device comprises a detection body andan air-sealing tester matched with the detection body, wherein the detection body is composed of a base and an upper pressing part. A cavity is formed in a joint transition position between the baseand the upper pressing part, and an extrusion abutting part is arranged in the cavity. Before a sealing test is carried out, the upper pressing part moves downwards until the cavity forms into a sealed cavity, and at the same time, elastic deformation of the extrusion abutting part occurs so that the extrusion abutting part abuts against a vehicle-mounted lens. A test air passage is arranged in the upper pressing part, so that two sealing parts on the vehicle-mounted lens are in communication with the air-sealing tester. Through the way, on one hand, the vehicle-mounted lens is fixed through the elastic deformation action of the extrusion abutting part, and thus the pressing loss of the vehicle-mounted lens is eliminated; and on the other hand, the sealing condition of the two sealing parts can be detected at the same time through one test process, and the orientation of the vehicle-mounted lens during the test process does not need to be changed.

A plurality of arcuate circumferentially spaced supply and return manifold segments are arranged on the rim of a rotor for respectively receiving and distributing cooling steam through exit ports for distribution to first and second-stage buckets and receiving spent cooling steam from the first and second-stage buckets through inlet ports for transmission to axially extending return passages. Each of the supply and return manifold segments has a retention system for precluding substantial axial, radial and circumferential displacement relative to the rotor. The segments also include guide vanes for minimizing pressure losses in the supply and return of the cooling steam. The segments lie substantially equal distances from the centerline of the rotor and crossover tubes extend through each of the segments for communicating steam between the axially adjacent buckets of the first and second stages, respectively.

The invention provides a device for simultaneously recycling different pressure dead steam. The device comprises a driver and a steam compressor, the steam compressor is a multistage steam compressor,the multistage steam compressor is driven by the driver, the series of the multistage steam compressor is not less than the pressure rating number of raw material steam to be compressed, an externally-connected steam inlet is formed in each stage of the multistage steam compressor, the raw material steam with different pressure rating sequentially enter the stages of the steam compressor throughthe externally-connected steam inlets according to pressure from small to large, the stages of the steam compressor lift and press the raw material steam to the same with the next-stage raw material steam pressure rating, the raw material steam is jointly fed into the next stage for compressor, the final stage of the steam compressor lifts and presses the raw material steam to the same with steampipe system pressure rating, and the raw material steam is fed into a steam pipe system. Dead steam of different pressure can be simultaneously recycled, the pressure loss formed by the dead steam being mixed into a stream of dead steam to enter the steam compressor can be eliminated, and the power of the steam compressor is reduced.

The invention relates to a fixing support suitable for large vehicle-mounted medical equipment. The fixing support comprises a tray and an elastic material pressing device. The tray comprises a bearing bottom wall, a bending limiting wall and a bending mounting wall. The bending limiting wall and the bending mounting wall are formed by continuously extending the bearing bottom wall outwards and bending the bearing bottom wall upwards by 90 degrees. The elastic material pressing device is fixed to the bending mounting wall. After the medical equipment is placed in place relative to the bearing bottom wall, the bending limiting wall and the bending mounting wall act cooperatively to limit the plane displacement movement of the medical equipment, and the elastic material pressing device is subjected to action control to achieve elastic pressing or loosening of the top wall of the medical equipment. In the actual operation of locking the position of the medical equipment, the operation can be completed by one person, and the time consumed is relatively short; in addition, the force directly applied by the elastic material pressing device and used for limiting the displacement movement of the medical equipment in the height direction is elastic force, and therefore the phenomenon that the top wall of the medical equipment is pressed and damaged can be effectively eradicated.