16results about How to "Reduce oil" patented technology

The present invention relates to a scroll compressor (1) with oil return for refrigerant-oil mixture, the scroll compressor (1) comprising a housing element (2) and a fixed scroll (3), wherein the housing element (2) is connected to the fixed scroll (3) by means of a seal (4) such that an outlet chamber (6) is formed between the housing element (2) and the fixed scroll (3), wherein, for oil separation and oil return purposes, an oil separation chamber (9) having a high-pressure refrigerant outlet (10) and an oil collection area (13) and an oil return passage (12) toward a suction pressure chamber (15) are arranged downstream of the outlet chamber (6), the scroll compressor being characterized in that an outlet chamber discharge member (11) for discharging oil into the oil return passage (12) of the oil separation chamber (9) is formed in the lower region of the outlet chamber (6) relative to the ground.

The utility model discloses an atomizer with a left oil bin and a right oil bin. The atomizer comprises a shell, a battery cell, a control panel and an atomizing core. An inner shell is arranged in the outer shell, an opening is formed in the lower end of the inner shell, a left bin and a right bin are arranged in the inner shell, a middle side wall is shared between the left bin and the right bin, an atomizing core is installed in the left bin, the right bin is an oil storage bin, and a rope penetrating through hole penetrating through the left bin and the right bin is formed in the position, close to the opening, of the middle side wall. The atomizing core is connected with an oil guide rope, the other end of the oil guide rope penetrates through the rope penetrating through hole to the right bin, and the connecting end, connected with the atomizing core, of the oil guide rope is higher than the rope penetrating through hole. Oil seal parts are arranged at openings in the lower ends of the left chamber and the right chamber; and an air inlet through hole communicated with the atomizing core is formed in the oil seal part corresponding to the left chamber. An air outlet through hole is formed in the upper end of the left chamber; and a suction nozzle part is arranged at the upper end of the shell corresponding to the upper part of the left chamber. By means of the scheme, the problem that tobacco tar leaks from the interior of the atomization core tube easily due to the fact that tobacco tar is completely soaked in tobacco tar storage cotton of an existing integrated electronic cigarette is solved, and freshness of the tobacco tar is kept.

This utility model discloses a pressure sensor core packaging structure, comprising a base, a patch assembly, a filling structure, a strain gauge, and a pressure plate. The base has a receiving cavity, an opening, and an oil filling hole. The opening communicates with the receiving cavity, and the oil inlet end of the oil filling hole is positioned close to the opening. The patch assembly and the filling structure are both housed within the receiving cavity. After the patch assembly is placed at the bottom of the receiving cavity, the filling structure fills the receiving cavity. The strain gauge and the pressure plate are sequentially fixed to the opening of the base, with the strain gauge located between the base and the pressure plate. The strain gauge and / or the pressure plate are sealed to the base. A gap exists between the strain gauge and the filling structure, and this gap is configured to be filled with oil through the oil filling hole, which is then sealed after being filled with oil. A detection port is provided on the pressure plate. This patent employs a unique core packaging structure, improving the application flexibility of oil-filled packaged pressure sensor products.

The utility model discloses a gear shifting system and agricultural machinery. An output shaft of a driving part of the gear shifting system is in transmission connection with a driving shaft of a first pump; an output shaft of the hydraulic motor is in transmission connection with an input shaft of the gearbox; two first communication ports of the hydraulic motor are communicated with two oil ports of the first pump in a one-to-one correspondence manner; the switch control valve, the hydraulic motor and the first pump are arranged in parallel; two second communication ports of the switch control valve are communicated with two oil ports of the first pump in a one-to-one correspondence manner; the output shaft of the driving part is further in transmission connection with a driving shaft of the second pump, an oil inlet of the second pump is communicated with the oil tank, an oil outlet of the second pump is communicated with a loop formed by the hydraulic motor and the first pump to supplement oil to the loop, and the oil outlet of the second pump is further communicated with a gear shifting oil inlet of the hydraulic gear shifting assembly to be used for driving gear shifting so as to enable the gearbox to shift gears. The gear shifting system is simple in structure, low in production cost, good in collaboration, good in working stability and reliability and capable of rapidly and efficiently shifting gears and prolonging the service life of the gear shifting gear ring.

The invention discloses a device and a method for purifying high-temperature oil-containing and dust-containing coal gas. The device comprises a first-stage cooling and dust removal unit, a second-stage oil product separation unit and a third-stage purification unit, the first-stage cooling and dust removing unit is used for rapidly cooling high-temperature oil-containing and dust-containing coal gas and removing large-particle dust; the second-stage oil product separation unit is used for cooling and separating the oil product from which the large-particle dust is removed by the first-stage cooling and dust removal unit; and the third-stage purification unit is used for removing fine particles in coal gas in the oil product separated by the second-stage oil product separation unit, so that coal gas purification is realized. The method has the characteristics of being easy to operate, good in purification effect and capable of realizing cyclic utilization of resources.

The compressor capable of improving the energy efficiency ratio comprises a compressor shell and a compressor body installed in the compressor shell, the compressor body is located on one side of the compressor shell, an oil storage cavity is formed in the other side of the compressor shell, the upper portion of the oil storage cavity is communicated with an exhaust pipe, and the exhaust pipe penetrates through the compressor shell upwards; the lower end of the piston extends into the oil storage chamber and is close to the exhaust end of the compressor body; a buffer oil baffle chamber is arranged at the part, positioned in the oil storage chamber, of the exhaust pipe; the lower end of the exhaust pipe is provided with a trumpet-shaped outer edge part, a flow guide oil baffle plate is arranged at one end, with a larger trumpet opening, of the outer edge part, the flow guide oil baffle plate is arranged over against the exhaust end of the compressor body, and the flow guide oil baffle plate and the exhaust end of the compressor body are respectively arranged on two opposite sides of the lower end of the exhaust pipe. The possibility of oil shortage of the compressor is reduced by reducing the refrigerant oil carried by the refrigerant, so that the operation efficiency of the compressor is improved to a certain extent, and the energy efficiency ratio of the compressor is further improved.

The present invention provides a compressor core, which, according to the orifice flow principle, sets the inner diameter D of the oil guide channel and the aperture d of the oil inlet hole to 1 , the diameter of the oil outlet hole d 2 , the diameter of the oil return hole d 3 Limited to D>d 1 >d 2 >d 3 , thereby defining the relationship between the various flow paths in the internal circulation oil circuit, thereby effectively controlling the amount of refrigeration oil sprayed out through the oil return hole, and further being able to effectively suppress the sharp increase in the oil circulation amount when the speed is increased, so as to ensure that the compressor can operate stably at a high speed. In addition, the present invention also provides a compressor, which adopts the above-mentioned movement, so that even at a high speed, there will be no oil shortage inside, and it can operate safely and stably at a high speed.

The invention provides a transmission gear shifting mechanism control system and a gear shifting control method, relates to the field of gear shifting mechanism control, and adopts the technical scheme that the transmission gear shifting mechanism control system comprises a switching valve and further comprises a gear shifting oil cylinder, and a piston rod of the gear shifting oil cylinder is connected with a shifting fork shaft; the gear shifting valve group comprises a pressure regulating valve I and a pressure regulating valve II, and the pressure regulating valve I and the pressure regulating valve II are respectively communicated with two oil inlets of the gear shifting oil cylinder; the oil inlet end of the gear shifting oil pump is communicated with a lubricating oil tank, the oil outlet end of the gear shifting oil pump is communicated with a lubricating system through a switching valve, and the oil outlet end of the gear shifting oil pump is communicated with the gear shifting valve set. Hydraulic control can be used for replacing electric control for gear shifting, the structure is simple, and the cost needed by gear expansion is low.

This application relates to the field of thin oil lubrication station technology and discloses a lubrication station for electric steam turbines, including two fixed cylinders. An inlet pipe is fixedly connected to the top of each cylinder, and an outlet pipe is fixedly connected to the bottom of each cylinder. A control valve is fixedly installed on both sides of the inlet and outlet pipes. A filter cartridge is detachably fixed to the inner side of each cylinder. This invention uses a drive mechanism to move a sliding component and a movable ring, causing high-pressure clean lubricating oil to be sprayed onto the outer wall of the filter cartridge through progressively decreasing height nozzles. Backflushing cleaning occurs when the nozzle openings are in contact with the outer wall of the filter cartridge. The sliding component moves to scrape away impurities adhering to the inner wall of the filter cartridge and pushes them to a point near the drain pipe for rapid discharge. This achieves filter cartridge regeneration without disassembling the filter cartridge and reduces the amount of oil required for backflushing, thus improving the reliability of continuous operation of the lubrication station.

The invention relates to a wireless hydraulic execution assembly and a wireless hydraulic control system.The wireless hydraulic execution assembly comprises an execution element, a pump, a servo motor, a wireless electromagnetic valve and an energy accumulator, the servo motor is in transmission connection with the pump, and the pump is connected with the execution element through the wireless electromagnetic valve; an energy accumulator is arranged between the wireless electromagnetic valve and a rodless cavity of the execution element; a first resonant capacitor is integrated in the wireless electromagnetic valve; or, a first resonant capacitor is integrated in the wireless electromagnetic valve, and a second resonant capacitor is integrated in the servo motor. According to the wireless hydraulic execution assembly, the wireless electromagnetic valve is arranged, the first resonant capacitor and the second resonant capacitor are utilized, and wireless charging can be achieved through magnetic field resonance; a wireless hydraulic execution assembly without a comprehensive hydraulic power station, a hydraulic pipeline and a cable can be integrated by utilizing an execution element self-circulation power integration technology, a wireless electromagnetic valve and other products.

The invention provides a cross roller bearing with a composite sealing structure, which reduces the effect of grease and internal pressure on the skeleton oil seal and improves the overall sealing performance of the bearing. The bearing comprises a bearing inner ring, a bearing outer ring, and a roller part, wherein the bearing inner ring and the bearing outer ring are combined to form a roller mounting ring cavity, the roller part is located at a corresponding position of the roller mounting ring cavity, a skeleton oil seal is arranged on one of the end faces of the bearing inner ring and the bearing outer ring, and the skeleton oil seal plug is installed in the corresponding end face mounting ring gap of the bearing inner ring and the bearing outer ring, and is characterized in that a gap ring groove is arranged between the outer ring surface of the bearing inner ring located inside the skeleton oil seal and the inner ring surface of the bearing outer ring, and the inner end ring surface of the bearing outer ring facing the skeleton oil seal comprises an outer ring stop ring surface and an inner ring stop ring surface, and further comprises a PTFE seal and a sealing retainer, wherein the PTFE seal comprises a radial positioning ring surface and a raised ring, and the PTFE seal is provided with a raised ring corresponding to the gap ring groove.

The utility model discloses a roll gap blowing device which comprises a lower anti-winding plate, and a lengthened section is arranged on the lower portion of the lower anti-winding plate. A tooth-shaped section is arranged in the middle of the bottom edge of the lengthened section, and the other positions of the bottom edge of the lengthened section are linear sections. A blowing air nozzle is arranged at the joint of the tooth-shaped section and the straight-line section; the blowing air nozzle is communicated with an external air source through a blowing pipeline; and an electromagnetic valve is arranged on the purging pipeline and is in communication connection with the production system. According to the utility model, the rolling oil at the edge part of the thick strip with the thickness of more than 2.0 can be reduced, and the cleaning cost of the subsequent process is reduced.

The invention discloses a scroll compressor and refrigeration equipment. The scroll compressor comprises a machine shell, a crankshaft, an auxiliary rack assembly and an oil baffle plate, an oil pool is arranged at the bottom of the machine shell. The crankshaft is arranged in the machine shell. The auxiliary rack assembly is arranged in the machine shell and connected with the lower end of the crankshaft in an assembled mode. The oil baffle plate comprises a first plate body installed on the auxiliary rack assembly and a second plate body arranged on the periphery of the first plate body, the second plate body and the first plate body are connected in an included angle mode, and the first plate body is located above the oil pool so as to stabilize the oil level in the oil pool. According to the technical scheme, the effect of better stabilizing the oil level of the oil pool can be achieved, the amount of oil entrained upwards in the oil pool is reduced, and the purpose of reducing the oil spitting rate of the compressor is achieved.

The invention discloses an electric drive axle housing assembly. In the electric drive axle housing assembly, an axle housing cover comprises a cavity, a first protrusion and a second protrusion which extend out of the cavity are sequentially arranged in the cavity in the first direction, and a first side wall face on the first protrusion and a second side wall face on the second protrusion are oppositely arranged in the first direction. And a mounting cavity for accommodating the output gear is defined by the wall surface between the first bulge and the second bulge in the cavity. The oil suction part comprises an oil channel located in the first protrusion and an oil pump, an oil suction opening of the oil channel is formed in the first bottom wall face of the first protrusion, an oil outlet of the oil channel is communicated with the oil pump, the oil suction opening is independent of the installation cavity, and the oil suction opening is communicated with the installation cavity. According to the electric drive axle housing assembly, on the basis that the liquid level needed by lubrication is guaranteed, the oil adding amount of the middle cavity is reduced, lubricating oil is saved, the space in the middle cavity is fully utilized, the compactness of the structure is improved, the stirred lubricating oil is prevented from directly entering the oil suction opening, and normal operation of an oil pump is guaranteed.

The invention belongs to the field of petrochemical industry, and provides a treatment method for overflow of oil-containing and odor-resistant cold coke water of needle coke, a contact cooling tower is newly added and is divided into an upper independent part and a lower independent part, the lower part is used for cooling and purging oil gas, and the upper part is used for overflow treatment of the cold coke water, so that function division is realized; purging oil gas from a coke tower firstly enters the lower portion of the contact cooling tower to be cooled, the cooled gas phase enters the air cooler to be cooled, and follow-up treatment is carried out after separation of the separation tank; coke cooling water from a coke tower overflows and then enters the upper portion of the contact cooling tower, a flocculating agent is added to promote oil products in the coke cooling water to be gathered at the tower bottom of the upper portion and then extracted, a water phase obtained after oil removal enters the coke cooling water storage tank to be recycled, and a gas phase is discharged from the tower top and is subjected to follow-up treatment through the air cooler. The method provided by the invention can effectively solve the problems that in the overflow process of the cold coke water of the needle coke, oil products contained in the coke enter the storage tank along with the cold coke water to cause oil accumulation in the tank, and the oil products are mixed into the cold coke water system to cause peculiar smell in the tank area.

According to the oil absorption cotton swab of the essential oil atomizer and the atomizer, a plurality of oil control grooves which are evenly distributed in a crossed or parallel mode are formed in the top face of a traditional oil absorption cotton swab in a laser mode, and the corresponding number of oil control grooves can be arranged according to the atomization speed of an atomization piece. Therefore, the problem that mist cannot be discharged due to the fact that oil film accumulated liquid is accumulated on the mist discharging face of the atomization piece, atomization nanometer holes are blocked, and normal work is not achieved is solved. Meanwhile, the multiple oil control grooves are evenly distributed in a crossed or parallel mode, and the oil control groove is further formed in the center of the top face of the rod body, so that the oil outlet area of the top face of the rod body is distributed more evenly, oil can be supplied to the atomization piece more evenly, and the better atomization effect is achieved; besides, the oil storage bin which is concave towards the center is arranged on the atomization opening in the side edge of the top face of the oil absorption cotton swab, the added oil falls into the oil storage bin, the amount of oil supplied to the high-frequency atomization piece is reduced, much oil can flow back into the oil cup shell, and the purpose of oil control can be achieved.