73results about How to "Simplify pipeline structure" patented technology

A heat exchanger and its tubes, wherein the heat exchanger includes a core 300a, having a lamination of flat tubes 301 for flowing a refrigerant and corrugated fins 302, and tanks 310 having slots for insertion of the ends of tubes, the core is configured to have the flat surfaces of the tubes in parallel with the airflow direction, and the tubes have their ends 301a twisted in the width direction by 90° with respect to the airflow direction. A heat exchanger for a supercritical refrigeration cycle has tanks 310a, 310c displaced in a direction orthogonal to the airflow direction on one side of plural cores 300a, 300b which are overlaid in the airflow direction, and an inlet 320 and an outlet 330 for the refrigerant are oriented toward the windward side or the downwind side of the airflow direction.

Prior to wafer processing, pressure ratio control is executed on a divided flow rate adjustment means so as to adjust the flow rates of divided flows to achieve a target pressure ratio with regard to the pressures in the individual branch passages. As the processing gas from a processing gas supply means is diverted into first and second branch pipings under the pressure ratio control and the pressures in the branch passages then stabilize, the control on the divided flow rate adjustment means is switched to steady pressure control for adjusting the flow rates of the divided flows so as to hold the pressure in the first branch passage at the level achieved in the stable pressure condition. Only after the control is switched to the steady pressure control, an additional gas is delivered into the second branch passage via an additional gas supply means.

A fuel cell system mounted in a vehicle includes a fuel cell stack, a coolant supply mechanism, and a fuel gas supply mechanism. The coolant supply mechanism includes a coolant supply pipe and a coolant discharge pipe, provided on a front side in a traveling direction of the vehicle, relative to the fuel cell stack. The fuel gas supply mechanism includes a fuel gas supply pipe, provided on a rear side in the traveling direction, relative to the fuel cell stack.

The invention discloses an integrated water channel cleaning device. The integrated water channel cleaning device comprises a water channel and a main cleaning tank, wherein a cleaning mechanism is arranged in the main cleaning tank. The integrated water channel cleaning device is characterized by also comprising a fruit and vegetable cleaning tank, wherein the water channel, the fruit and vegetable cleaning tank and the main cleaning tank are arranged in parallel and form a whole. By arranging the water channel, the fruit and vegetable cleaning tank and the main cleaning tank in an integrated manner, the water channel cleaning device can meet daily life requirement on separate cleaning according to different meat and vegetables, different sizes and different pollution levels.

The invention discloses a ventilated condensing device of a water tank type cleaning machine. The ventilated condensing device of the water tank type cleaning machine is arranged on the side wall of the cleaning machine and comprises a pipeline body, a first opening is opened in the pipeline body, a first cavity used for overflowing and communicated with the first opening and a second cavity located above the first cavity and communicated with the inside of the first cavity are formed in the pipeline body, a vent hole is formed in the top of the second cavity, and a baffle plate used for condensing the water vapor in the air flowing to the vent hole from the first cavity to flow back to the first cavity is arranged in the second cavity. The ventilated condensing device of the water tank type cleaning machine organically combines a condensing device with a ventilation device, the hot air can be discharged to an air current pipeline from an overflow cavity, and moreover, the hot air is cooled and condensed in an air current passage, the pipeline structure at the outer wall of the cleaning machine is simplified, the moisture is avoided from discharging to the inside of a cabinet, the moisture can flow back to the cleaning machine, the dryness of the ventilated condensing device is guaranteed, and the dryness of the cabinet is guaranteed.

The invention discloses a cleaning agent adding device of a water tank type cleaning machine and the water tank type cleaning machine using the same. The cleaning agent adding device of the water tank type cleaning machine is characterized by comprising a pipeline body and a cleaning agent inlet pipeline, and a water inlet passage used for communicating with the inside of the water tank type cleaning machine is formed in the pipeline body; the cleaning agent inlet pipeline is located at one side of the pipeline body and communicated with the water inlet passage, and the cleaning agent inlet pipeline is provided with an electromagnetic valve used for closing or opening the cleaning agent inlet pipeline.

A heater unit having a main body constructed in the form of a housing and covers the entire flow path forming sections of the valve and joints, and a heater built in the main body is mounted on the valve. The heater includes a direct heating section and a radiant heating section. The direct heating section heats at least a part of the flow path forming sections of the valve through direct contact heating. The radiant heating section heats the inside of the main body of the heater unit by radiant heat.

A fuel cell system mounted in a vehicle includes a fuel cell stack, a coolant supply mechanism, and a fuel gas supply mechanism. The coolant supply mechanism includes a coolant supply pipe and a coolant discharge pipe, provided on a front side in a traveling direction of the vehicle, relative to the fuel cell stack. The fuel gas supply mechanism includes a fuel gas supply pipe, provided on a rear side in the traveling direction, relative to the fuel cell stack.

First and second fuel cell stacks having a simple and compact structure are connected in parallel to each other to enable ensuring a desired electric power generating performance. The first and second fuel cell stacks have the same structure and are arranged in parallel to each other with polarities thereof reversed. A manifold piping is mounted to one ends of the first and second fuel cell stacks. In order to supply an oxidizer gas, a fuel gas, and a coolant to the first and second fuel cell stacks, at least an oxidizer-gas supply pipe, a fuel-gas supply pipe, and a coolant supply pipe in the manifold piping are provided to be symmetrical with respect to the first and second fuel cell stacks.

The invention discloses a combined type pressure regulating valve which simultaneously has pressure boosting and decreasing functions with longer service life. The invention comprises a valve body, wherein an internally communicated interface, an externally communicated pressure boosting interface and an externally communicated pressure decreasing interface are arranged on the valve body, a pressure regulating bolt is arranged on an upper cover of the valve body, an upper valve plate, an upper corrugated pipe, an upper connecting piece, a pressure regulating spring and an upper pressing block are arranged inside an upper valve cavity, and the internally communicated interface is communicated with the upper valve cavity; a valve seat is fixed in the upper valve cavity, the upper valve cavity and a lower valve cavity are communicated with each other through a valve seat cavity in the valve seat, and the lower valve cavity is communicated with the externally communicated pressure boosting interface; a lower valve plate, a lower corrugated pipe, a reset spring and a lower connecting piece are mainly arranged inside the lower valve cavity, the upper end of a passage in the lower valve plate is in seal contact with the upper valve plate, the lower end of the passage is communicated with the externally communicated pressure decreasing interface, and the lower valve plate can also block off the upper valve cavity and the lower valve cavity. The combined type pressure regulating valve which is widely applicable to the pressure stabilizing system of a low temperature pressure vessel can greatly simplify pipeline structure and improve production efficiency.

The invention discloses an air conditioning system which comprises an indoor heat exchanger, a switching module and at least two outdoor heat exchanger branches. Each outdoor heat exchanger branch comprises an outdoor heat exchanger and a first throttling device which are connected in series, wherein the first throttling device is connected with the indoor heat exchanger. The switching module comprises first reversing valves, wherein the first reversing valves are in one-to-one correspondence with the outdoor heat exchanger branches, and the connection mode between the outdoor heat exchanger branches and the indoor heat exchanger is switched between the series connection mode and the parallel connection mode through the first reversing valves. According to the air conditioning system, the defrosting effect is improved on the basis of heat supplying during defrosting, meanwhile, a pipeline structure of the whole air conditioning system is simple, and a control system of the whole air conditioning system is simplified.

A solar comprehensive heating system capable of supplying heat and hot water integrally for a house comprises a vacuum tube solar collector, a collector water inlet pipe, a collector water outlet pipe, a heat storage pipeline, a heat exchanger, a domestic hot water pipe and a hot water use terminal. The collector water inlet pipe and the collector water outlet pipe are communicated with the solar collector. The collector water outlet pipe is communicated with the heat storage pipeline and is part of the heat storage pipeline. The heat storage pipeline is communicated with the collector water inlet pipe through connecting water pipes provides with switch valves. The collector water inlet pipe and the heat storage pipeline are connected with a low temperature radiation heating manifold through heating pipes so as to form water circulation. Water circulation between the vacuum tube solar collector and municipal heating hot water pipes are formed by the aid of the collector water inlet pipe and the heat storage pipeline. The solar comprehensive heating system is simple in structure, low in manufacture and maintenance cost, and low in maintenance difficulty.

Prior to wafer processing, pressure ratio control is executed on a divided flow rate adjustment means so as to adjust the flow rates of divided flows to achieve a target pressure ratio with regard to the pressures in the individual branch passages. As the processing gas from a processing gas supply means is diverted into first and second branch pipings under the pressure ratio control and the pressures in the branch passages then stabilize, the control on the divided flow rate adjustment means is switched to steady pressure control for adjusting the flow rates of the divided flows so as to hold the pressure in the first branch passage at the level achieved in the stable pressure condition. Only after the control is switched to the steady pressure control, an additional gas is delivered into the second branch passage via an additional gas supply means.

A heater unit having a main body constructed in the form of a housing and covers the entire flow path forming sections of the valve and joints, and a heater built in the main body is mounted on the valve. The heater includes a direct heating section and a radiant heating section. The direct heating section heats at least a part of the flow path forming sections of the valve through direct contact heating. The radiant heating section heats the inside of the main body of the heater unit by radiant heat.

The invention belongs to roadway engineering machinery, in particular to an asphalt distributing, cleaning and recovering system used in maintenance equipment such as an asphalt distributor, a synchronized seal paver and the like. The system is provided with an asphalt tank, wherein one inlet / outlet of the asphalt tank is connected with a circulating pump through a first valve, a second inlet / outlet is connected to one port of a three-way valve, the other two ports of the three-way valve are respectively connected to the circulating pump and a first inlet / outlet of an automatic spraying circulation pipeline, and a second inlet / outlet of the automatic spraying circulation pipeline is connected with the circulating pump through a second valve; an asphalt loading pipe is arranged between the first valve and the circulating pump; the circulating pump is connected with an asphalt delivery pipe through a delivery valve; and the asphalt loading pipe is provided with a solvent pipe valve which can be connected with a remote solvent tank, and a solvent return pipe is connected between the second inlet / outlet of the automatic spraying circulation pipeline and the outlet of the asphalt delivery pipe. The invention lowers the equipment cost, and the cleaning process avoids environmental pollution.

The invention discloses a haze removal air conditioner with a cleaning function. The air conditioner comprises an air conditioner external unit and an air conditioner internal unit, wherein a coolant pipe is connected between the air conditioner external unit and the air conditioner internal unit, an air supply outlet and an air return inlet are formed in the air conditioner internal unit, and a surface cooler and a blower are arranged at the air supply outlet; a fresh air heat exchanger and an electrostaticdust removal filter are arranged in the air conditioner internal unit, a fresh air pipe connected to outdoors is arranged at the air supply outlet through the fresh air heat exchanger, and the air return inlet is provided with an exhaust pipe connected to outdoors through the fresh air heat exchanger; the electrostaticdust removal filter is arranged between the fresh air heat exchanger and the air inlet of the fresh air pipe, and the electrostaticdust removal filter is connected with a water inlet pipe used for washing and a drainage pipe used for draining sewage. The air conditioner has the advantages of being simple and compact in structure and convenient to use, and multiple functions can be realized.

The invention relates to a heating surface of high temperature and high pressure natural circulation dried coke quenching exhaust-heat boiler, which includes a pipe bundle of front-wall water-cooling wall. Character of the invention is: the pipe bundle of the front-wall water-cooling wall is drawn sparsely to form crust block pipe and educed to boiler ceiling for increasing caloric receptivity and security for water circulation of the front-wall water-cooling wall; the crust block pipe in inlet combustion ashes chamber of the exhaust-heat boiler is made of metal spray coating anti-wear pipe. Advantages of crust block pipe employed by the coke quenching exhaust-heat boiler are: 1. increasing caloric receptivity and security for water circulation of the front-wall water-cooling wall; 2. simplifying pipe structure of leading-out pipe of the front-wall water-cooling wall; 3. reducing flue-gas temperature at import of second level superheater, and guaranteeing operation security of the superheater.

A fuel gas inlet, a fuel gas outlet, an oxygen-containing gas inlet, an oxygen-containing gas outlet, and other components, which are disposed at upper and lower portions at both ends in the lateral direction, are provided in a first fuel cell stack. A plurality of cooling medium inlets, a plurality of cooling medium outlets, and other components are provided at lower portions on the long side and at upper portions on the long side respectively. A cooling medium flows from the lower portions to the upper portions through cooling medium flow passages to cool the power generation surface smoothly and reliably.

A fuel gas inlet, a fuel gas outlet, an oxygen-containing gas inlet, an oxygen-containing gas outlet, and other components, which are disposed at upper and lower portions at both ends in the lateral direction, are provided in a first fuel cell stack. A plurality of cooling medium inlets, a plurality of cooling medium outlets, and other components are provided at lower portions on the long side and at upper portions on the long side respectively. A cooling medium flows from the lower portions to the upper portions through cooling medium flow passages to cool the power generation surface smoothly and reliably.

The invention provides a blockage removing pipeline and a blockage removing method for double-sleeve long-distance pneumatic material conveying. The blockage removing pipeline comprise a plurality ofsets of U-shaped pipeline sections, and an ascending section and a descending section of a long-distance pneumatic material conveying pipeline are distributed on the U-shaped pipeline sections; the U-shaped pipeline sections are connected through a plurality of horizontal pipeline sections in a sectional mode; each U-shaped pipeline sections is sequentially composed of the descending section, thehorizontal section and the ascending section according to a material conveying direction of the pipeline, pipelines at the joints between descending sections and horizontal sections are connected withblockage removing pipeline valve group through wear-resistant T-joints, pressure transmitters are arranged on the descending section pipelines and the horizontal section pipelines, and each blockageremoving pipeline valve group comprises a check valve, a regulating valve, a pneumatic shut-off valve and a manual shut-off valve which are sequentially arranged between the wear-resistant T-joint anda compressed air pipeline. The blockage removing method is simple and convenient to operate, can accurately locate the position where the blockage occurs, and can quickly and effectively remove the blockage when a plurality of descending sections are blocked at the same time.

Prior to wafer processing, pressure ratio control is executed on a divided flow rate adjustment means so as to adjust the flow rates of divided flows to achieve a target pressure ratio with regard to the pressures in the individual branch passages. As the processing gas from a processing gas supply means is diverted into first and second branch pipings under the pressure ratio control and the pressures in the branch passages then stabilize, the control on the divided flow rate adjustment means is switched to steady pressure control for adjusting the flow rates of the divided flows so as to hold the pressure in the first branch passage at the level achieved in the stable pressure condition. Only after the control is switched to the steady pressure control, an additional gas is delivered into the second branch passage via an additional gas supply means.

The invention discloses a self-control urethral catheter. A switch assembly is arranged at a urethral catheterization cavity hole of a main catheter body; the switch assembly comprises a shell, a rotating core and a handle; a cavity allowing a rotating core to be arranged in a matched mode and capable of rotating is formed in the shell, the upper side and the lower side of the cavity run through outwards to form main flow channels allowing urine to pass through; a urination flow channel and a pressure flow channel with different angles are formed in the rotating core, and a pressure film is arranged in the pressure flow channel and used for rupture urination when hydraulic pressure exceeds the bearing capacity of the pressure film; when the rotating core rotates, one of the urination flowchannel and the pressure flow channel selectively conducts the upper main flow channel and the lower main flow channel, and the handle is connected with the rotating core and extends out of an inserting pipe to be driven by people to rotate. The functions of opening and closing an urination pipeline and a safety pressure pipeline originally are achieved through one pipeline, urine control is achieved, the pipeline structure is simplified, simplification of an external pipeline and a fixing structure of a human body after the urethral catheter is arranged is facilitated, the treatment environment is simplified, and troubles brought to doctors or patients in the medical treatment process due to an original complex structure are avoided.

The invention discloses an automobile engine air-taking system. The air-taking system still arranges an air intake at the front end of an automobile body so as to preserve the effect of the existing automobile body front air-taking proposal that the generated air flow is large and the cleanness is high; compared with the existing mode of air-taking inside an engine cabinet, the system avoids the decrease of engine power caused by the low air flow density; compared with the existing mode of air-taking at the outer side of the automobile body, the system avoids the decrease of engine power caused by the poor cleanness of air flow and prevents the service-life consumption of the engine. In addition, the existing automobile body system is provided with the left and right automobile body longitudinal beams and the inner parts of the automobile body longitudinal beams are provided with sealed cavities, the invention arranges the automobile body longitudinal beams in the automobile body system into the air-taking system to be served as pipelines of the air-taking system, therefore other structures do not need to be arranged as the pipelines of the air-taking system, can simplify the pipeline structure of the air-taking system, save body space and reduce cost for the automobile body layout arranging in the middle or the back in the engine.

The invention discloses a washing unit which comprises a cleaning cell body, a circulating pump and a heat exchanger, which are connected with one another through pipelines, as well as a steam generator and a condenser, wherein the steam generator is connected with the condenser through a connecting pipe, and the connecting pipe passes through the body of the heat exchanger; the condenser is internally provided with a cold water pipeline; the connecting pipe connecting the steam generator and the condenser passes through the heat exchanger, and a solvent in a cleaning cell flows into the heat exchanger; the solvent in the heat exchanger exchanges heat with solvent steam generated by the steam generator; the situation that a branch is led out of heat conduction oil pipelines of the whole washing unit to reach the heat exchanger and then a carbon hydrogen solvent in the cleaning cell exchanges heat with heat conduction oil in the heat exchanger can be avoided, and the pipeline structure is simplified; and the heat of solvent steam generated by the steam generator is fully utilized, and the energy source is saved.

Disclosed is a variable capacity type rotary compressor, in which a refrigerant sucked via one suction pipe can be alternately sucked into each compression space via a communication passage between a plurality of cylinders so as to reduce the number of components and the number of assembly processes, thereby remarkably reducing a fabricating cost, a refrigerant within an idling cylinder can be prevented from flowing back into another cylinder so as to improve the performance of the compressor, a welding space can be ensured when connecting connection pipes so as to realize a welding automation, thereby further reducing the fabricating cost, and a mode switching valve can be stably fixed to an appropriate position so as to attenuate noise due to vibration of the compressor.

The present invention relates to an air conditioner for a vehicle with a heat pump system structure, which has a simple piping structure and enhances heating performance, thereby reducing a package, and making common use with an air conditioner for an internal combustion engine possible.

The invention provides a pipeline for nitrogen crystal pulling, wherein the pipeline includes an argon control pipeline and a nitrogen control pipeline. The argon control pipeline is respectively connected with a subchamber and a main chamber of a single crystal furnace. The nitrogen control pipeline is connected with the subchamber and the main chamber of the single crystal furnace. The argon control pipeline is provided with an argon intake pipeline, and the nitrogen control pipeline is provided with a nitrogen intake pipeline. The pipeline has the beneficial effects that the pipeline for nitrogen crystal pulling has simpler structure and is easy to install. Meanwhile, the pipeline structure with the structure can separate argon from nitrogen, and can control the input of nitrogen and argon respectively. The pipeline also has a flowmeter, so the input flow quantity of nitrogen and argon can be controlled from time to time, then the volume proportion of argon and nitrogen in the single crystal furnace is controlled, the furnace pressure of the single crystal furnace is ensured, and the quality of pulled single crystals is ensured.

Disclosed is a vehicle air conditioning system including not less than two evaporators 3, 4, in which internal heat exchangers 5, 6 are provided to the respective evaporator 3, 4, a first evaporator 3 is placed in a front part of a compartment 8A whereas a second evaporator 4 is placed in a rear part of the compartment 8B; and the second evaporator 4 is connected to the internal heat exchanger 6 extended from the engine room 7 to the compartment 8. The internal heat exchanger 6 has a triple tube structure in which a heat insulator 15 is provided between a high-pressure medium passage 13 and a low-pressure medium passage 14.

A hydraulic drive system is provided with a front casing 50 and a rear ceasing 51. The front casing 50 is formed of a single member, and accommodates therein rotary members, which include a cylinder block 30A and the like, and a part of an output shaft 36 of a hydraulic motor 30 and rotary members, which include a cylinder block 31A and the like, and a part of an output shaft 32 of a hydraulic motor 31. The rear casing 51 is joined to the front casing 50, and has a ports plate 30C and a ports plate 31C arranged therein. The rear casing 51 has an oilway 52 communicating to a first port 30C1 of the ports plate 30C, an oilway 53 communicating to the oilway 52 and also communicating to a first port 31C1 of the ports plate 31C, an oilway 54 communicating to a second port 30C2 of the ports plate 30C, and an oilway 55 communicating to the oilway 54 and also communicating to a second port 31C2 of the ports plate 31C.

The invention discloses a cell analyzer.The cell analyzer comprises a first injector, a sampling needle, a first three-way valve, a fifth catheter, a second catheter, an optical detection device, a third catheter, a reaction tank, a fourth catheter, a first switch valve, a second injector, a fifth catheter, a sixth catheter and a second switch valve, the first catheter is connected with the first three-way valve and the first injector respectively, the second catheter is connected with the first three-way valve and the sampling needle respectively, the third catheter is connected with the first three-way valve and a first liquid inlet of the optical detection device respectively, the two ends of the fourth catheter are connected with a first liquid inlet and a third liquid inlet of the optical detection device respectively, one end of the fifth catheter is connected with the second injector, and the sixth catheter is communicated with the fifth catheter and a second liquid inlet.By controlling the first injector, the sampling needle, the first three-way valve, the first switch valve, the second injector and the second switch valve, the functions of sampling, blood differentiation and detection are achieved, and the pipe structure is simpler.