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1615 results about "Oil separation" patented technology

An oil water separator (OWS) is a piece of equipment used to separate oil and water mixtures into their separate components.There are many different types of oil-water separator. Each has different oil separation capability and are used in different industries. Oil water separators are designed and selected after consideration of oil separation performance parameters and life cycle cost ...

Method for development of smart sensor using real time hybrid ai with physics driven machine learning as advisory for oil in water

A method to perform oil in produced water analysis allows measuring the large volume of oil in produced water reliably. In the method, a time-series and physics based machine learning model of a gas oil separation plant is generated, advisory actionable items for maintaining a crude oil quality within a pre-determined threshold are generated based on machine learning model coefficients and outputs of soft sensors, and then the advisory actionable items are presented to a user.
Owner:SAUDI ARABIAN OIL CO

Refrigeration system

The present disclosure relates to a refrigeration system comprising: a compressor (1); an air outlet (2A) of the evaporator (2) is communicated with the air suction port (1A) of the compressor (1) through an air suction pipeline (10); an air inlet (3A) of the oil separator (3) is communicated with an exhaust port (1B) of the compressor (1), an oil outlet (3B) of the oil separator (3) is communicated with the compressor (1) through a first oil return pipeline (20), and a pump (11) is arranged on the first oil return pipeline (20); a liquid inlet (4A) of the automatic oil return device (4) is communicated with the evaporator (2) through a liquid taking pipeline (60) and used for obtaining the liquid refrigerant in the evaporator (2), an oil outlet (4B) of the automatic oil return device (4) is communicated with the air suction pipeline (10) through a second oil return pipeline (30), and at least one of the liquid taking pipeline (60) and the second oil return pipeline (30) is provided with a first on-off valve (18).
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Thermal management system based on air floatation centrifugal compressor and machine room

The utility model discloses a heat management system based on an air floatation centrifugal compressor and a machine room. The heat management system comprises the air floatation centrifugal compressor, an evaporator, a condenser and a throttling element. An air inlet of the air flotation centrifugal compressor communicates with an outlet of the evaporator, a liquid cooling module is arranged in the air flotation centrifugal compressor to cool a motor of the air flotation centrifugal compressor, an inlet of the liquid cooling module is connected to an outlet of the condenser through a first control valve, and an outlet of the liquid cooling module is connected to an inlet of the evaporator. The evaporator is arranged at the to-be-cooled device to absorb heat emitted by the to-be-cooled device. An inlet of the condenser communicates with an exhaust port of the air flotation centrifugal compressor, and the throttling element is arranged at an inlet of the evaporator and used for conducting throttling expansion on the cooled refrigerant. The heat management system is applied to the machine room, an oil separator and corresponding pipelines are omitted, the overall structure is simple, and meanwhile the heat dissipation efficiency can be improved.
Owner:SINO-BROOK NEW ENERGY TECH (SHANGHAI) CO LTD

Crankcase oil separation device for internal combustion engine

Apparatuses including coalescing filter are discussed and shown. The coalescing filter can optionally include: a filter media; a central core defining a central cavity, the central core positioned within the filter media; a first end cap; a coupling assembly attached to and extending outward from the first end cap, wherein the coupling assembly is configured to couple with a housing to position the coalescing filter within the housing; and a second end cap opposing the first end cap.
Owner:CATERPILLAR INC

Motorcycle engine crankcase body with oil separation chamber

The utility model discloses a motorcycle engine crankshaft box body with an oil separation chamber, which comprises a crankshaft box body formed by connecting a left crankshaft box body and a right crankshaft box body, crankshaft mounting holes and balance shaft mounting holes are arranged on the left crankshaft box body and the right crankshaft box body, and the crankshaft mounting holes and the balance shaft mounting holes are distributed in a pairwise corresponding mode. An oil collecting chamber is arranged at the lower end in the crankcase body, and the balance shaft mounting hole is arranged close to the maximum oil liquid level position of the oil collecting chamber; the bottom of the oil collection chamber is provided with an oil separation chamber which is arranged close to the balance shaft mounting hole, the upper end of the oil separation chamber is close to the maximum oil liquid height of the oil collection chamber, and one side, far away from the balance shaft mounting hole, of the oil separation chamber is provided with an oil inlet hole; an engine oil filter screen is arranged in the oil separation cavity, and an oil guide channel with one end communicated with the oil separation cavity and the other end communicated with an oil inlet of the engine oil pump is arranged on the side of the oil separation cavity.
Owner:CHONGQING SHINERAY MOTORCYCLE

Modular assemblies for crankcase oil separators

Apparatuses, systems and methods are disclosed for separating oil from a blow-by gas of an engine. An example includes a method that includes passing the blow-by gas to a first oil separating apparatus and a second oil separating apparatus, wherein the first oil separating apparatus and the second oil separating apparatus are physically coupled together along interfacing surfaces and in fluid communication with one another as an array, separating the blow-by gas by passing the blow-by gas through respective filters of the first oil separating apparatus and the second oil separating apparatus, removing the oil from the blow-by gas with the respective filters and recombining the blow-by gas after passing from the respective filters; passing the blow-by gas as a single flow stream from the first oil separating apparatus and the second oil separating apparatus.
Owner:CATERPILLAR INC

Dry tar-containing tail gas treatment process

The invention relates to a dry tar-containing tail gas treatment process which comprises the following steps: step 1, after tail gas is collected by a pipeline, granulating tail gas enters a pipeline degreaser under the air draft action of a tail gas fan at the tail end; the invention relates to the technical field of tar-containing granulation tail gas treatment. According to the dry tar-containing tail gas treatment process, tar larger than or equal to 10 microns is intercepted through a detachable filter screen in a pipeline degreaser, and blockage is prevented in cooperation with a steam / solvent flushing opening; the dry type preprocessor adopts three-stage gradient filtration of a G3 metal net, G4 glass fibers and G5 glass fibers, viscous particles below 5 microns are thoroughly removed, and automatic overload alarm is realized through pressure difference detection; submicron oil mist is adsorbed by the electric trapping oil remover through a high-voltage electric field, safety is guaranteed through an explosion venting sheet, and electrodes are continuously / discontinuously flushed through a spraying pipe; the cleaning system separates a mixing / circulating area through a partition plate, an oil separation net protects a flushing water pump, and long-term stable operation of the device is achieved. The problem that tar is difficult to clean due to adhesion is thoroughly solved.
Owner:SHANGHAI KEYUAN ENVIRONMENTAL TECH CO LTD +1

Oil distribution structure and compressor

The oil separation structure comprises an oil separation cavity, a driving unit, a connecting unit and a separation unit, the driving unit, the connecting unit and the separation unit are arranged in the oil separation cavity, the driving unit is arranged on the connecting unit and can drive the connecting unit to rotate, and the separation unit is arranged on the connecting unit and can rotate along with the connecting unit; the oil separation cavity is provided with an air inlet, an oil-gas mixture enables the driving unit to rotate through the air inlet, then the separation unit is driven to rotate through the connecting unit, and the separation unit can act on the oil-gas mixture when rotating. The high-speed active rotation of the separation unit provides continuous and strong centrifugal force, so that the centrifugal effect required by oil-gas separation is remarkably enhanced and stabilized, the problems of insufficient centrifugal force and limited separation efficiency caused by the fact that a traditional oil separation pipe only depends on the rotation speed of fluid are solved, the oil-gas separation efficiency is greatly improved, and the service life of the oil-gas separator is prolonged. The low oil content of exhaust gas of the compressor is ensured, and the normal operation performance of an air conditioning system is maintained.
Owner:ZHUHAI LANDA COMPRESSOR +1

Oil-liquid separation device of numerical control grinding machine tool

The utility model belongs to the technical field of separating devices, and relates to an oil-liquid separating device of a numerical control grinding machine tool, which comprises a separating cylinder, a filtering device, a machine frame and a separating motor, the separating cylinder is arranged on the lower portion of the machine frame, an oil-liquid tank, a rotating drum and a rotating shaft coaxial with the separating cylinder are arranged in the separating cylinder, and the lower end of the rotating shaft is connected with the separating motor. The oil liquid tank is coaxially suspended in the separation barrel, the filtering device is arranged above the oil liquid tank and comprises a filtering box, an electric heating strip, a magnetic stirring rod and a stirring rotating shaft, a filtering net disc is arranged at the bottom of the filtering box, and the upper end of the stirring rotating shaft is connected with a stirring motor. The electric heating strip melts greasy dirt condensed on waste chips and then flows into the lower separating barrel along with an oil-liquid mixture for centrifugal separation, a centrifugal separation method is adopted for oil-liquid separation, waste oil and cutting fluid are rapidly separated, and the recycling speed of the cutting fluid is increased.
Owner:KUNMING TAIDING PRECISION MASCH CO LTD

Organic wastewater energy-saving treatment system

According to the organic wastewater energy-saving treatment system provided by the invention, organic matters in organic wastewater can be greatly reduced through oil separation treatment of the reservoir and filtration and coalescence separation treatment of the filtration coalescence device, so that the purpose of recovering the organic matters is achieved; through multi-effect evaporation of the I-effect falling film evaporator, the II-effect falling film evaporator and the forced circulation evaporator, generated steam is recycled through the MVR compressor, cyclic utilization of secondary steam energy is achieved, and energy consumption is reduced; and the wastewater can be recycled through a multi-effect evaporation and resin adsorption treatment mode, and the recovery rate reaches 96%. The steam consumption for wastewater treatment can be reduced by 0.90 t / m < 3 >.
Owner:LUXI CHEM GRP CO LTD

Oil lubricated fluid pumps with oil separators

Oil lubricated supercritical fluid pumps with oil separators are disclosed herein. An example pump system to pressurize a fluid within a closed loop thermal transport bus disclosed herein includes a pump housing, a duct fluidly coupled to the pump housing, a first portion of the duct to include a mixture of an oil and the supercritical fluid, a second portion of the duct to include the supercritical fluid, and a separator positioned in a third portion of the duct between the first portion of the duct and the second portion of the duct, the separator to separate the oil in the mixture from the supercritical fluid.
Owner:GENERAL ELECTRIC CO

Cascade refrigeration system and control method of ultralow-temperature sample library

The invention relates to the technical field of sample storage, particularly provides a cascade refrigeration system and a control method of an ultralow-temperature sample library, and aims to solve the problem that normal operation of a unit is affected due to abnormal oil return of an existing cascade refrigeration system. In order to achieve the purpose, the cascade refrigeration system comprises a high-temperature-stage refrigeration unit, a low-temperature-stage refrigeration unit and an intermediate heat exchanger, the low-temperature-stage refrigeration unit comprises a low-temperature compressor, an oil separation device and a heat exchange device, the oil separation device comprises a plurality of oil separators arranged in sequence, and a heat exchanger is arranged between every two adjacent oil separators; the low-temperature compressor, the oil separation device, the intermediate heat exchanger and the heat exchange device are communicated with one another to form a low-temperature-stage refrigerant circulation loop, and the high-temperature-stage refrigeration unit and the intermediate heat exchanger are communicated with one another to form a high-temperature-stage refrigerant circulation loop. The oil separation efficiency can be improved, deep oil removal is achieved, and oil return is remarkably improved.
Owner:QINGDAO HAIER BIOMEDICAL TECH CO LTD +1

Continuous water-oil separation device

The invention relates to the technical field of environmental protection equipment, and particularly discloses a continuous water-oil separation device which comprises a gravity separation tank and a pretreatment mechanism, a separation mechanism is mounted in the middle of the bottom end of the gravity separation tank, and a collection mechanism is jointly mounted between the lower part of the outer wall of the gravity separation tank and the middle of the bottom end of the separation mechanism; the separation mechanism comprises a centrifugal separation tank, an oil conveying pipe, an oil collecting hopper, a limiting ring, an adjusting tooth block and a hydrophilic oleophobic film; the oil conveying pipe is mounted at the top end of the centrifugal separation tank through a bearing; according to the oil-water separation device, oil-containing wastewater is subjected to gravity separation through the gravity separation tank, oil and water are subjected to centrifugal separation through the rotary centrifugal separation tank, and efficient oil-water separation can be achieved through the hydrophilic oleophobic film, so that the oil-water separation effect is further improved, and water and oil can be continuously and efficiently separated by adopting the separation device; the oil-water separation efficiency during treatment of a large amount of water-oil mixture is improved, and the requirements of modern industry on continuous, efficient and rapid oil-water separation can be met.
Owner:内蒙古伊诺新材料有限公司

Energy-saving and environment-friendly treatment method for sewage generated by spinning electrostatic deoiling device

The invention relates to the technical field of sewage treatment, and discloses an energy-saving and environment-friendly treatment method for sewage generated by a spinning electrostatic deoiling device. The method comprises the following steps: performing oil separation pretreatment on the oily agent wastewater, and treating in a pH adjusting tank in two stages: in the first stage, adjusting the pH value to 9-10, and adding polyaluminum chloride while quickly stirring; and in the second stage, the pH is further adjusted to 11-12, polyacrylamide is added with slow stirring, and finally, standing, precipitation and separation are performed. According to the method, the pollutant removal efficiency is remarkably improved and the COD (Chemical Oxygen Demand) removal rate is high by accurately regulating and controlling the pH value, adding the flocculating agent in batches and controlling the stirring speed. Meanwhile, compared with a traditional process, consumption of a large amount of acid and alkali is avoided, generation of hazardous waste such as sludge is reduced, the dosage of a flocculating agent and the treatment cost are reduced, and the efficient, economical and environment-friendly sewage treatment target is achieved.
Owner:ZHEJIANG SANWEI MATERIAL TECH CO LTD

Scroll compressor and air conditioning system

The utility model relates to the field of compressors, in particular to a scroll compressor which comprises a scroll assembly and an end cover connected with the scroll assembly, the end cover comprises an air inlet cavity, an oil separation cavity, an exhaust cavity, an oil storage cavity and an outlet, the air inlet cavity is communicated with an air outlet hole of the scroll assembly, the exhaust cavity is communicated with the outlet, and the oil separation cavity is communicated with the oil storage cavity. The gas inlet cavity is communicated with the oil separation cavity, the oil separation cavity is communicated with the exhaust cavity and the oil storage cavity, an oil-gas mixture enters the gas inlet cavity from the gas outlet and is separated into refrigerant gas and lubricating oil after passing through the oil separation cavity, the refrigerant gas enters the exhaust cavity and is exhausted to the outlet, and the lubricating oil is exhausted to the oil storage cavity after passing through the oil separation cavity. And the lubricating oil enters the oil storage cavity. In addition, the utility model further relates to a corresponding air conditioning system. The scroll compressor and the air conditioning system can have the advantages of low cost, high oil-gas separation efficiency, high refrigeration efficiency and the like.
Owner:BOSCH AUTOMOTIVE SYSTEMS (WUXI) CO LTD

Oily sewage treatment system based on intelligent regulation and control and operation method

The invention belongs to the technical field of emergency water treatment, and particularly relates to an oily sewage treatment system based on intelligent regulation and control and an operation method. The system comprises an intelligent regulation and control server, a preprocessing unit, a separation unit, an online detection unit and a regulation and control unit, the intelligent regulation and control server is internally provided with a pretreatment module, a separation module, an online detection module, a data analysis module and a real-time regulation and control module, and the separation module provides a T-shaped pipe and air floatation pipe technology and is used for separating floating oil and emulsified oil. The intelligent regulation and control server is connected with all the units, before operation, calculation formulas of floating oil separation efficiency and emulsified oil separation efficiency are input into the intelligent regulation and control server in advance, and initial values of all parameters are set; during operation, data are transmitted in real time so as to calculate the floating oil separation efficiency and the emulsified oil separation efficiency, the data are stored, and parameters are adjusted in real time according to the optimal separation efficiency. According to different working conditions, automatic adjustment can be achieved, intelligent regulation and control are achieved, and the application range is wider.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Refrigerant recovery system for testing a refrigeration device and control method thereof

The application provides a refrigerant recovery system for refrigeration equipment test and a control method thereof, which comprises a compressor A, a three-way valve, a condenser, an oil separator A, a first pipeline, a second pipeline and a third pipeline, the three-way valve comprises a C port, a D port and an E port, one end of the first pipeline is communicated with the C port, and the other end can be communicated with a discharge end of the compressor A, one end of the second pipeline is communicated with the D port, and the other end is communicated with the oil separator A, one end of the third pipeline is communicated with the E port, and the other end can be communicated with the condenser, when the compressor A is started, the C port can be connected with the D port, and the E port is closed; when the compressor A is closed, the E port can be connected with the D port, and the C port is closed. According to the application, the problem that the flow direction of refrigerant in the oil separator is inconsistent when the refrigeration equipment is normally operated and when the recovery system is operated can be solved, and the problem that the efficiency of the oil separator is not high when the recovery system of the prior art is operated can be solved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Thermal power plant wastewater treatment device

The invention relates to the technical field of wastewater treatment, in particular to a thermal power plant wastewater treatment device which comprises a separation tank, a screening structure arranged on the inner side of the separation tank, an oscillation structure connected between the screening structure and the separation tank, a dredging structure arranged on the top side of the screening structure, and a cleaning structure arranged on the bottom side of the separation tank. A precipitation structure is connected to the side surface of the separation tank; a suction structure is arranged on the inner side of the precipitation structure; solid impurities can be continuously collected while waste water is filtered through the screening structure, the collection effect on the solid impurities can be improved through the oscillation structure, the filter cartridge can be rapidly dredged through the dredging structure, the filtering effect is kept, the separation tank can be conveniently cleaned through the cleaning structure, and the cleaning efficiency is improved. Oil separation can be carried out on the filtered wastewater through the precipitation structure, and the oil part in the wastewater can be separated through the suction structure.
Owner:WEIHAI THERMAL POWER GRP CO LTD

Cyclone type oil separator

The utility model relates to a whirlwind type oil separator which comprises a cylinder body, an air inlet pipe, an air outlet pipe, an upper partition plate and a lower partition plate, the upper partition plate and the lower partition plate are arranged in the cylinder body, the upper partition plate divides the interior of the cylinder body into a diffusion section and an oil subsection, and the diffusion section on the upper portion is communicated with the oil subsection on the lower portion through an air rising pipe. The lower partition plate divides the oil section into an upper separation section and a lower oil groove section, the air inlet pipe is communicated with the separation section, the air outlet pipe is communicated with the diffusion section, and the diffusion section is provided with diffusion blades. On the premise that the oil separation efficiency is guaranteed, the pressure loss of cyclone type oil separation is reduced by recovering dynamic pressure, and then the pressure ratio of a compressor is reduced, so that the energy efficiency of a refrigerating system is improved.
Owner:SHUANGLIANG ECO ENERGY SYST CO LTD

Artificial Intelligence based Demulsifier Control for Gas Oil Separation Plants with Electrostatic Coalescers

A computer implemented method that enables artificial intelligence based demulsifier control for AC or modulated AC / DC electrostatic coalescers is described. The method includes monitoring parameters associated with the GOSP facility and inputting the parameters to a trained machine learning model that outputs a minimum HPPT separation efficiency. The method includes determining a target HPPT separation efficiency based on the minimum HPPT separation efficiency. Additionally, the method includes adjusting a demulsifier dosage being injected into the HPPT apparatus to separate dry oil at the target HPPT separation efficiency.
Owner:SAUDI ARABIAN OIL CO

Sewage treatment system

The invention discloses a sewage treatment system which is composed of a grating pretreatment unit, an oil separation tank, a high-speed air flotation machine, a coagulation primary sedimentation tank, a hydrolytic acidification and anoxic tank, a screening nano bubble generator, a contact oxidation and aerobic tank of microbial filler, a microbial preparation coagulation sedimentation unit, a sludge treatment unit, a sulfur-autotrophic phosphorus and nitrogen removal unit, an ultraviolet disinfection unit and the like. The air dissolving efficiency of the micro-charge high-speed air flotation machine is as high as 95-99%, the equipment volume is only 1 / 5 of that of traditional equipment, and the decontamination and separation effects are good; the water outlet and air outlet amount of the screening nano bubble generator is 10 times larger than that of a conventional nano aerator, ionized water, small molecular group water and magnetized water are generated in a combined mode, so that charges are carried, the solubility and the permeability are high, microorganisms are activated, the biochemical rate is increased, pollutants are effectively removed, sludge is degraded, and the sludge yield is reduced. The coagulation of the microbial preparation enables the inclined tube precipitation effect to be better, and the sulfur autotrophic technology and the efficient denitrification of the denitrification filter material solve the problems of insufficient carbon sources and denitrification, so that the sewage treatment constantly reaches the standard.
Owner:SHENZHEN LVAMAN BIOTECHNOLOGY CO LTD

Oily sewage treatment system and treatment method

The invention provides an oily sewage treatment system and a treatment method thereof, and belongs to the technical field of sewage treatment. The system comprises: a sedimentation tank; a V-shaped oil separation tank; the ejector is used for ejecting the oily sewage settled by the settling tank into the V-shaped oil separation tank after passing through the ultrasonic device; the oil outlet pipe is used for discharging the floating oil into the heat exchanger for heat exchange; the vacuum separator is communicated with the heat exchanger; an oil tank; the water outlet pipe is used for discharging water into the activated carbon adsorption chamber; the VOC treatment tank is communicated with the activated carbon adsorption chamber and is used for receiving oil-containing waste gas generated in the regeneration process of the activated carbon adsorption chamber; the VOC treatment tank is provided with an adsorption chamber and a condensation chamber, and the VOC treatment tank is respectively connected with the heat exchanger through a compressor and an expansion valve to form a heat pump system. A gravity separation method and an air flotation method are combined, and meanwhile, an ultrasonic demulsification technology is used, so that the oil removal efficiency is improved. The energy consumption in the treatment process is reduced, and the resource utilization efficiency is further improved.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Laminated oil support and progressive squeezing collaborative device

The invention discloses a stacked oil support and progressive squeezing cooperation device, and relates to the field of squeezing equipment. A stacked oil support and progressive squeezing cooperation device comprises a collecting barrel and further comprises a material barrel rotationally connected into the collecting barrel, the upper end of the material barrel is open, the inner diameter of the material barrel is sequentially increased from top to bottom, a plurality of sets of filter holes communicated with the collecting barrel are formed in the material barrel at equal intervals, and the filter holes are communicated with the collecting barrel. Each group of filter holes are circumferentially distributed on the charging barrel at equal intervals; the pressure applying disc and the charging barrel are coaxially arranged; through the arrangement that the inner diameter of the charging barrel is small in the upper portion and large in the lower portion, oil separation and discharge are promoted through cooperation with centrifugal force generated by rotation of the air bag, the pressing disc and the charging barrel, the oil extraction rate and efficiency are greatly improved, and when the air bag is overpressure, high-speed airflow sprayed out of the air spraying holes can impact oil agglomeration, promote grease interface updating, reduce viscosity and assist heat dissipation; the oil yield is improved, and the oil quality is guaranteed.
Owner:CHENGCHENG COUNTY FENGYING FARMERS PROFESSIONAL COOP

Emergency accident pool integrated with oil separation function

The utility model discloses an emergency accident pool integrated with an oil separation function, which comprises an emergency accident pool body, a water inlet pipe is arranged on the side wall of one side of the emergency accident pool body along the length direction, an emptying pipe is arranged on the side wall of the other side of the emergency accident pool body, and the emptying pipe is communicated with the outlet end of a delivery pump arranged in the emergency accident pool body; a flow guide wall is arranged in the emergency accident pool body in the width direction, the flow guide wall is arranged on one side close to the emptying pipe, and the emergency accident pool body is divided into a separation area and a lifting area by the flow guide wall; a rectification hole is formed in the lower part of the flow guide wall; the separation area is communicated with the lifting area through the rectification hole; the delivery pump is arranged in the lifting area, and the water inlet pipe is positioned on the side wall of the separation area. The emergency accident pool integrated with the oil separation function solves the technical problem that oil pollutants in accident water cannot be effectively separated in the prior art.
Owner:AVIC CHANGSHA DESIGN & RES INST CO LTD

New energy automobile driving motor stator oil cooling structure

The invention provides a new energy automobile driving motor stator oil cooling structure, and relates to the technical field of new energy automobile driving motors. An oil cooling heat dissipation part is mounted at the front end of the outer part of the connecting mounting part; a driving control part is mounted at the top of the connecting mounting part and is used for rotating the oil cooling heat dissipation part; a movable positioning part is mounted on the connecting and mounting part and is used for positioning the connecting and mounting part; two groups of anti-loose limiting parts are mounted on the connecting and mounting part and are used for ensuring the stability of the connecting and mounting part during use; when the circulating pump works, cooling oil between the two corresponding rectangular separation strips can be completely discharged basically, and it is guaranteed that the cooling oil in the motor shell can be fully circulated; the problem that the suction position of cooling oil cannot be accurately controlled during cooling oil circulation due to the lack of a cooling oil separation structure generally is solved.
Owner:XINGBAO ELECTRIC (TIANJIN) CO LTD

Apparatuses and methods for a closed crankcase ventilation system of an internal combustion engine

Described herein are engine systems, closed crankcase ventilation systems, and hot filter assemblies that are configured to filter out contaminants from the closed crankcase ventilation system prior to being returned to an air intake of the engine system. In some examples, a closed crankcase ventilation system can include an engine comprising a crankcase, an oil separator coupled to the crankcase, and a hot filter assembly coupled to the oil separator and mounted to an exhaust manifold of the engine or a turbine housing of a turbocharger. The hot filter assembly comprises a housing defining a cavity, a gas inlet fluidly coupled between the oil separator and the cavity, a gas outlet fluidly coupled between the cavity and an air intake of the engine, and at least one baffle extending across the cavity and defining a first and second gas pathways on opposite sides of the baffle.
Owner:DAIMLER TRUCK NORTH AMERICA LLC

Outdoor unit of air conditioner, air conditioner and control method and control device of air conditioner

The invention provides an outdoor unit of an air conditioner, the air conditioner and a control method and device of the air conditioner. The outdoor unit comprises a compressor, a four-way valve, an oil separator and a gas-liquid separator; an inlet of the oil separator is communicated with an exhaust port of the compressor, a refrigerant outlet of the oil separator is communicated to the four-way valve, and an oil outlet of the oil separator is connected with a first oil return branch and a second oil return branch; wherein the first oil return branch is directly communicated to an air suction port of the compressor, and the second oil return branch flows through a liquid storage area of the gas-liquid separator and is communicated to the air suction port of the compressor; the first oil return branch is provided with a first electromagnetic valve, and the second oil return branch is provided with a second electromagnetic valve. According to the outdoor unit of the air conditioner, the air conditioner and the control method and device of the air conditioner, the second oil return branch passing through the liquid storage area of the gas-liquid separator is arranged, so that the oil return temperature of the air suction port of the compressor is reduced, and the problems that the gas-liquid separator is frosted and the liquid level is too high can be solved.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +2

Air conditioning system and air conditioner

The invention relates to the technical field of air conditioners, in particular to an air conditioning system and an air conditioner. The air conditioning system comprises a compressor, an oil separator, an oil storage valve, a liquid storage device, a liquid storage device drainage control valve and a liquid inlet valve. An exhaust port of the compressor is communicated with an oil inlet of the oil separator, an oil discharge port of the oil separator is communicated with an air suction port of the compressor and the first end of the oil storage valve, the second end of the oil storage valve is communicated with a liquid inlet of the liquid storage device, and a liquid discharge port of the liquid storage device is communicated with the first end of the liquid storage device liquid discharge control valve. The second end of the liquid storage device drainage control valve is communicated with an air suction port of the compressor, the first end of the liquid inlet valve is communicated with the liquid storage device, and the second end of the liquid inlet valve is communicated with an exhaust port of the oil separator. By means of refined oil return quantity control, it is better guaranteed that the oil return quantity is matched with the compressor lubricating oil demand quantity, the quantity of oil entering the two devices along with refrigerant circulation is reduced, cooperative control over the oil return quantity and the refrigerant quantity is achieved, and the operation energy efficiency of the unit is better improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

A method and structure for ensuring sufficient oil suction in the active lubrication of a three-in-one transmission

The present invention discloses a method and structure for ensuring sufficient oil suction of active lubrication in a three-in-one transmission, including an oil return hole provided on the front housing between the motor housing and the gearbox, an oil suction port adjacent to the oil return hole, and an oil accumulation cavity formed on the front housing by a partition plate. The partition plate includes an oil separation rib plate and an oil baffle plate. The front end of the oil separation rib plate is integrally connected to the front housing, and the upper part of the oil baffle plate is installed at the rear end of the front housing. The oil accumulation cavity is formed by the overlapping of the oil separation rib plate, the oil baffle plate and the front housing. The advantages are as follows: It can prevent the lubricating oil containing a large amount of oil bubbles stirred by the main reduction gear and the first reduction gear from entering the oil suction port, and at the same time, the oil suction port can be immersed in the lubricating oil at any time, ensuring sufficient oil suction at the oil suction port; It can control the amount of oil supplied to the main reduction oil stirring cavity and the first reduction oil stirring cavity, avoiding an excessive amount of oil in the main reduction oil stirring cavity and the first reduction oil stirring cavity, which increases the rotational resistance of the main reduction gear and the first reduction gear.
Owner:ZHUZHOU GEAR CO LTD

Compressor and vehicle

The invention provides a compressor and a vehicle. The compressor comprises a machine shell and a compressor body, the compression component is arranged in the cavity and comprises an air cylinder, a main bearing, an auxiliary bearing and a crankshaft, the main bearing and the auxiliary bearing are arranged at the two ends of the air cylinder, and the two ends of the crankshaft penetrate out of the main bearing and the auxiliary bearing respectively; the oil separation part comprises a first shell, an oil separator and a third shell, and the first shell, the auxiliary bearing and the third shell define a first cavity; the oil separator comprises a second shell provided with a second cavity and an oil separation insertion pipe arranged in the second cavity, the second shell is arranged on the outer surface of the first shell, the second cavity is communicated with the first cavity and the cavity of the machine shell, and compressed refrigerants enter the oil separator from the first cavity to be subjected to oil-gas separation and then are discharged out of the machine shell; the third shell is arranged in the first cavity, the third shell and the auxiliary bearing are matched to form a third cavity, and the end, close to the auxiliary bearing, of the crankshaft is sealed in the third cavity. The compressor provided by the invention is low in oil yield and high in working efficiency.
Owner:SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD