31results about How to "Reduce tube length" patented technology

An applicator for applying anhydrous ammonia, NH3, to an agricultural field is provided. The applicator includes a distribution rail for receiving and out letting a flow of the NH3 The distribution rail has a decreasing inner diameter from an inlet of the distribution rail to distal ends of the distribution rail.

A system for spraying liquid (100) for a windshield (111) of an aircraft including a spray-liquid supply circuit (101), a pressurized-gas supply circuit (102) designed to purge the spray-liquid supply circuit, and at least one nozzle (114) disposed downstream from the circuits and designed to spray the spray liquid and pressurized gas on a windshield, characterized in that the system includes an auxiliary means of compression (107) ready to compress gas designed to circulate in the pressurized-gas supply circuit, the auxiliary means of compression being positioned near the nozzle. Also, an aircraft cockpit provided with at least such a spray system.

Generation of noise is suppressed by solving the problems of crushing and wear of a cushion caused by thermal expansion of a communicating tube. A pump unit includes main pump body 1 for discharging compressed air, a communicating tube made of an elastomer and having its one end fitted to a discharge opening of the main pump body 1, pump fixing portion 2 for holding a part of a portion of the communicating tube other than its portion fitted to the discharge opening, cushions 13a and 13b arranged on an outer circumferential surface of main pump body 1, and films 15a and 15b arranged on surfaces of cushions 13a and 13b. Films 15a and 15b have smooth surfaces, and friction coefficients of the smooth surfaces are smaller than those of cushions 13a and 13b.

The present invention relates to a tube / plate condenser for a cooling circuit of a refrigerator and / or freezer comprising a bent tube in which the cooling circuit medium can be condensed as well as a carrier panel of sheet metal to which the tube is secured. In accordance with the invention, the tube / plate condenser is characterized in that the carrier panel consists of an aluminum sheet and the tube is a steel tube. The present invention further relates to a refrigerator and / or freezer comprising a tube / plate condenser of this type.

The invention relates to a simplified water beam vaporization cooling system of a steel-rolling stepping heating furnace. The system comprises a stepping beam circulation loop, a fixed beam circulation loop and a water supply loop, wherein the water supply loop comprises an atmospheric thermal deaerator, a deoxidization water tank arranged at the lower part of the atmospheric thermal deaerator, and an electric water supply pump, which is connected in series to a deoxidization downcomer pipe at the lower part of the deoxidization water tank and connected to a steam pocket through a high-pressure water supply pipe, the high-pressure water supply pipe is provided with a high-pressure water supply branch pipe, and a stepping circulation loop downcomer pipe in the stepping beam circulation loop and a fixed circulation loop downcomer pipe in the fixed beam circulation loop are provided with efflux energy transfer devices which are respectively connected to the high-pressure water supply branch pipe. The simplified water beam vaporization cooling system of the steel-rolling stepping heating furnace, which is provided by the invention, integrates the three independent processes of deoxidization, water supply and circulation into a continuous process with low energy consumption to reduce the loading capacity, shorten the power consumption time, and has the advantages of high efficiencyand energy saving.

A head mounted display apparatus is provided, including a display, at least one image capturing device and an imaging device. The display provides a display image and projects the display image to a target region. The image capturing device is disposed adjacent to the display, and a camera lens of the image capturing device is oriented toward the target region. The imaging device is disposed between the target region and the display.

An applicator for applying anhydrous ammonia, NH3, to an agricultural field includes a distribution rail for receiving and out letting a flow of the NH3. The distribution rail has a decreasing inner diameter from an inlet of the distribution rail to distal ends of the distribution rail.

An object of the present invention is to provide an insertion portion for an endoscope and an endoscope in which the confluence member does not interfere with the movement of the bending portion. The bent portion (16b) and the soft portion (16c) are joined by a base end block (50B) and a connecting ring (63). The confluence member (70) has branch pipe parts (71a, 71b) and a confluence pipe part (72). The branch pipe parts (71a, 71b) are formed by branching into two parts from the base end side of the confluence member (70). The gas supply pipe (73) and the liquid supply pipe (74) communicate with the branch pipe parts (71a, 71b). The confluence pipe part (72) is connected to the front end sides of the branch pipe parts (71a, 71b), and communicates with the air and liquid supply pipe (28). The air supply and liquid supply pipe (28) has a length that allows the confluence pipe part (71) to stay in the connecting ring (63) when the confluence member (70) is pulled in by the bending of the curved part (16b).

The invention discloses a reactor and reaction system for synthesizing methylbutynol. The reactor comprises a first-stage tubular reactor and a second-stage tubular reactor, which are connected sequentially, wherein each of the first-stage tubular reactor and the second-stage tubular reactor comprises a tubular reactor and a static mixer arranged in the tubular reactor. The reaction system comprises a stirring reaction kettle, a reactor and a termination mixer which are connected in a proper sequence by virtue of pipelines, wherein the reactor adopts the above reactor for synthesizing methylbutynol, a discharge port of the stirring reaction kettle is connected with a feed port of the first-stage tubular reactor, and a discharge port of the second-stage tubular reactor is connected with a feed port of the termination mixer. The reactor and the reaction system for synthesizing methylbutynol, disclosed by the invention, not only greatly shorten the tube pass length of the reactor, but also realize effective mixing of materials, avoid occurrence of side reactions, and greatly improve the product yield in comparison with an early process.

Provided is a connection structure for an air compressor exhaust pipe, and arrangement thereof, comprising an air cylinder cover (1), an exhaust chamber (1b), a valve seat plate (7), an exhaust vent (1a) disposed on the air cylinder cover (1) and / or the valve seat plate (7), an exhaust pipe (3), a pipe communication valve (5), and an air storage tank (6); one end of the exhaust pipe (3) is connected to the exhaust vent (1a), and the other end of the exhaust pipe (3) is connected to the pipe communication valve (5); furthermore, at least one of the connections of the two connections between the exhaust pipe (3) and the exhaust vent (1a) and between the exhaust pipe (3) and the pipe communication valve (5) is an insertable threadless connection structure. The structure abandons the threaded mount of a conventional compressor exhaust pipe, reducing production costs and improving the operational reliability of the present compressor.

The invention discloses a dehumidification heat exchange device. The dehumidification heat exchange device comprises an air duct, a surface cooler or an evaporator, a first U-shaped heat pipe heat exchanger and a second U-shaped heat pipe heat exchanger, wherein the air duct comprises an air inlet and an air outlet; the surface cooler or the evaporator is arranged in the air duct, the surface cooler or the evaporator (3) is larger than or equal to 600 mm, and an external pipeline is arranged on one side of the surface cooler or the evaporator; the first U-shaped heat pipe heat exchanger is arranged on one side of the external pipeline of the surface cooler or the evaporator, an interval is formed between the first U-shaped heat pipe heat exchanger and the connecting pipeline of a heat insulation area, and the interval is used for being connected with the outside through an external pipeline of the surface cooler or the evaporator; and the second U-shaped heat pipe heat exchanger and the first U-shaped heat pipe heat exchanger are arranged on the other side of the surface cooler or the evaporator in an opposite installation mode, and the pipe diameter of heat exchange pipelines of the first U-shaped heat pipe heat exchanger and the heat exchange pipeline of the second U-shaped heat pipe heat exchanger is 7.0-9.52mm. According to the dehumidification heat exchange device, the structure of the air duct does not need to be changed, so that the transformation risk is reduced, and the modification cost and period are shortened.

The invention relates to a fecal discharge device and relative toilet seat, wherein said fecal discharge device comprises one rotational chamber pot; the lower part of chamber pot is channel fixed with blades; the channel is sheathed with hollow motor rotating the chamber port; said toilet seat comprises fixed chamber, siphon tube, water tank cover, hit cover. And the invention is fixed inside fixed chamber; the upper part of toilet seat sheathes the fixed chamber; the siphon tube is at the lower of channel to connect the channel. The invention can save water and clean completely.

A pneumatic control device includes a base comprising a reservoir, a first check valve for only allowing hydraulic fluid to flow into the reservoir, and a second check valve for only allowing the fluid to flow out of the reservoir; a hollow cylinder comprising a spring biased piston; a body mounted to the cylinder thereunder and releasably secured to the base, the body comprising a stepped-diameter passageway with a poppet mounted therein; and a cover releasably secured onto the poppet. In response to feeding pressurized air into the cylinder, the fluid in the reservoir flows out during a first stroke of the piston, and the fluid is sucked back into the reservoir during an opposite second stroke of the piston. In one embodiment, the fluid is for actuating a machine vise.

This invention discloses a method for increasing electrochemical Li-storage capacity of carbon nm tubes, which processes the original MWNTS raw material prepared with chemical gas phase deposition method including: first of all, the original MWNTS is supersonic-vibrated, mechanical mixed and dipped under room temperature in different matched volumes of H2SO4 and HNO3 mixed solution, the reacted product is cleaned with deionized water to neutral and put in a tube oven to be heated under 200-500deg.C to be cooled and dipped in Li2CO3 or LiOH solution, the obtained sample is cleaned with deionized water, filtered and dried in vacuum. The gap of quasigraphite layer of the processed MWNTS is expanded, the electrochemical Li capacity is increased.

The invention relates to the field of vaporization cooling systems, in particular to a walking heating furnace vaporization cooling system and a method thereof. A vaporization cooling system for a walking heating furnace of the present invention comprises a soft water tank, a deaerator, a feed water pump and a circulation cooling system composed of a steam drum, a downcomer, an upcomer and a circulating pump, which are sequentially connected by pipelines, and it also includes A waste heat recovery system consisting of the first steam pipeline, the second steam pipeline, the hot water pipeline, and the heat exchanger; the steam and water outlet of the steam drum is connected to the deaerator through the first steam pipeline, and connected to the factory area through the second steam pipeline. The steam pipe network is connected, the other is connected to the heat medium inlet of the heat exchanger through the hot water pipe, the cold water inlet of the heat exchanger is connected to the supply soft water, the soft water outlet of the heat exchanger is connected to the soft water tank, and the heat medium outlet of the heat exchanger The sewage is discharged outward through the expansion vessel; the invention reduces the flow resistance by optimizing the layout of the pipeline and improves the recovery and utilization rate of the waste heat by adding a waste heat recovery system.

A flow cytometry apparatus includes a flow cytometer having a suction or negative-pressure intake probe, a support for a microplate having a plurality of sample wells, and motive elements operatively connected to at least one of the probe and the support for moving the intake probe and the support relative to one another so that the intake probe is sequentially aligned with different sample wells of the microplate. The apparatus has no fluid pumping elements between the support and the flow cytometer so that a bubble-separated sample stream is forced to the flow cytometer solely by virtue of a negative pressure communicated via the intake probe.

A barometer which is rotatable and a method of using a barometer which is rotatable is presented comprising a barometer tube retaining barometric fluid that is shorter than that required by non-rotatable barometers. The provision of a rotatable barometer allows the use of a barometric fluid of a density lower than that of mercury to be used, thereby enabling the use of mercury to be avoided.