31results about How to "Reduce the amount of oil" patented technology

The invention provides a centrifugal separation device for an aero-engine. The centrifugal separation device comprises a rotating shaft and a centrifugal separator sleeving the outer wall of the rotating shaft, wherein the centrifugal separator comprises a shell sleeving the rotating shaft and multiporous metal; the multiporous metal fills the shell; a plurality of oil return holes are formed in one end face of the shell along the circumferential direction. Compared with an amplitude-plate blade type centrifugal separation device, the centrifugal separation device disclosed by the invention is simple and compact in structure, convenient to assemble and disassemble, light in weight, low in processing and maintenance cost and high in oil-gas separation efficiency.

The invention discloses an axis vent pipe structure of a turbine engine and the turbine engine. The axis vent pipe structure comprises an axis vent pipe, a wind wheel assembly and an oil outlet structure, the axis vent pipe comprises a main pipe section, a wind wheel assembly installation pipe section and a back hollow baffle with a first through hole, the wind wheel assembly installation pipe section is arranged on the front side of the main pipe section in the axial direction of the axis vent pipe, the back hollow baffle is located between the wind wheel assembly installation pipe section and the main pipe section, and the wind wheel assembly installation pipe section and the main pipe section are communicated through the first through hole; the wind wheel assembly comprises an impeller which is arranged in the wind wheel assembly installation pipe section and can conduct centrifugal separation on oil drops in oil-gas mixing air flow entering the axis vent pipe, and the back hollow baffle prevents the oil drops obtained through centrifugal separation from entering the main pipe section; and the oil outlet structure comprises an oil outlet for guiding the oil drops obtained through centrifugal separation out of the axis vent pipe. According to the technical scheme, the lubricating oil consumption amount of the turbine engine can be reduced, and the maintaining cost can be reduced.

An integrated oil filter comprises a one-way valve, a bypass valve, a spiral spring, a self-seal valve, an oil filter element, an ail filter shell, an oil filter cover, a long screw, a self-locking nut, a shaft elastic retaining ring and an oil filter differential pressure transducer. The oil filter cover is mounted on the lower portion of the shaft elastic retaining ring through the self-locking nut and sleeved with the oil filter shell. The self-seal valve is mounted on the shaft elastic retaining ring through the spiral spring. The one-way valve is mounted on the upper portion of the shaft elastic retaining ring. The bypass valve is mounted on the side of the one-way valve and between an oil outlet and an oil inlet and separated by a partition on the upper portion of the shaft elastic retaining ring. The integrated oil filter has the advantages the oil filter connecting pipes are simplified, self-sealing of internal passages of the oil filer during decomposition oil filtering, oil discharge amount during oil filter decomposition is reduced effectively, oil refilling times are reduced, and system maintenance efficiency is increased.

The invention discloses a circulating fluidized bed-boiler, and belongs to the technical field of electricity generating. The circulating fluidized bed-boiler comprises a control system, a boiler walland a soot blowing hole, wherein the soot blowing hole is formed in the boiler wall. The circulating fluidized bed-boiler further comprises infrared temperature measurement systems, the infrared temperature measurement systems comprises infrared temperature measurement probes, peep pipes and flanges, one ends of the peep pipes are fixed to the boiler wall through the flanges, the other ends of the peep pipes are connected with the infrared temperature measurement probes, the infrared temperature measurement probes directly face the center of the soot blowing hole through the peep pipes, and measurement values of the infrared temperature measurement probes are fed back to the control system. The circulating fluidized bed-boiler has a long service life, reduces the abrasion speed of temperature measurement elements, reduces daily maintenance quantities, has high temperature measurement response speed, shortens the starting time, saves the fuel cost and prevents a furnace bottom from coking, and the reliability of bed temperature measurement is guaranteed.

The present invention discloses a kind of electric desalting and dewatering tank for use in oil field and oil refinery, and aims at reducing oil in exhausted water of electric desalting and dewatering tank. The electric desalting and dewatering tank has inside the tank at least three axial water exhaust stabilizing devices in the bottom, and each of the water exhaust stabilizing devices consists of metal plate and lattice. The metal plate is perpendicular to the tank axis and has two ends connected to the inner wall of the tank, and there is gap between the plate and the tank wall for deposited water to flow through. The lattice set in the top of the metal plate consists of metal strips perpendicular to the metal plate. The present invention is used mainly for desalting and dewatering raw oil.

The invention relates to a lubricating oil ventilator, a ventilating system and a gas turbine engine. The lubricating oil ventilator (7) comprises a housing (73) in which a gas-oil separating chamberis arranged, wherein the gas-oil separating chamber is used for gas-oil separation of a gas-oil mixture entering the gas-oil separating chamber; a core body (72) with variable density is arranged in the gas-oil separating chamber and is capable of changing the flowing resistance of the gas-oil separating chamber. According to the lubricating oil ventilator, the flowing resistance of the gas-oil separating chamber can be changed as the demand or as the change of outside conditions; in case of high flow rate of the gas-oil mixture, the core body can be compressed to increase the resistance of the gas-oil separating chamber, thus the time of performing gas-oil separation on the gas-oil mixture in the lubricating oil ventilator can be prolonged, and as a result, the separating performance canbe improved; meanwhile, the volume of lubricating oil drained along with fluid is decreased, and thus the consumption of the lubricating oil is reduced; in case of low flow rate of the gas-oil mixture, the core body can be released to reduce the resistance of the gas-oil separating chamber, and thus the separated gas can flow out normally.

The utility model relates to a body structure of a centrifugal diversion intelligent speed-regulating hydraulic coupling, which belongs to the technical fields of energy saving and hydraulic transmission. Including pump wheel, pump wheel flange, turbine, driving shaft, driven shaft, box body, oil inlet and outlet connecting pipes, speed sensor, speed measuring gear, rotary casing, rotary casing flange, nozzle, left and right sealing end faces, oil sealing ring , the present invention adopts the principle of centrifugal flow diversion. Under the action of centrifugal force, the nozzle installed on the rotary shell is used to draw out the working oil for cooling, and the number and aperture of the nozzle are determined according to the coupling model and load characteristics, and the coupling is more adaptable to the load. ;The radially arranged labyrinth oil seal greatly reduces the leakage at the seal, reduces the energy loss of the coupler, and enhances the controllability of the coupler's speed and working stability; the coupler adopts an external support method, and the box no longer bears the weight of the coupler body , it only plays the role of oil storage, its wall thickness and size are significantly reduced, the overall structure of the coupling is more compact, saving raw materials, and has significant economic and social benefits.

The invention discloses a high thermal conductivity silicone grease interface material and a preparation method thereof. The high thermal conductivity silicone grease interface material is characterized in that it is a paste silicone grease with low oil seepage and high thermal conductivity. In the invention, metal or inorganic powder with high thermal conductivity is used as thermal conductive filler, which is added into the organic silicone oil mixture and uniformly mixed by a three-roll grinder to obtain homogeneous gray paste silicone grease. In the paste, the mass percentage of organic silicon oil is 5%-40%, and the mass percentage of the metal or inorganic powder mixed with heat-conducting filler is 60%-95%. The average particle size of the filler is at least three kinds, the large particle size is 15-30um, the medium particle size is 5-10um, and the small particle size is 0.1-1um. The high thermal conductivity silicone grease interface material of the present invention has the characteristics of high thermal conductivity, good heat dissipation effect, small oil leakage, simple preparation process, etc., and is especially suitable for occasions where oil leakage needs to be avoided.

The invention relates to an axle center ventilating structure and a gas turbine engine. A bearing chamber of a cold end component of the engine communicates with a bearing chamber of a hot end component of the engine, a ventilating system is used for maintaining the pressure of the bearing chamber of the cold end component of the engine to be the same with that of the bearing chamber of the hot end component of the engine basically, the bearing chamber of the cold end component communicates with an engine nozzle through a centrifugal oil-gas separator, an oil-gas mixture in the bearing chamber of the hot end component enters the bearing chamber of the cold end component of the engine via an axle center ventilating cavity, then the oil-gas mixture in the bearing chamber of the hot end component and an oil-gas mixture of the bearing chamber of the cold end component are subjected to oil-gas separation together by the centrifugal oil-gas separator, and the unseparated oil-gas mixture is discharged via the engine nozzle. The bearing chamber axle center ventilating structure of the engine is simple and is convenient to design and adjust, the bearing chamber of the cold end component communicates with the bearing chamber of the hot end component, the pressure of the bearing chamber of the cold end component and the pressure of the bearing chamber of the hot end component can be ensured to be almost the same, design and adjustment of a secondary air system are facilitated, faults of the engine due to leakage of lubricating oil and unsmooth circulation are reduced, the reliability of the engine is improved, meanwhile, heat transmission from the bearing chamber of the hot end component to the bearing chamber of the cold end component can be improved, and therefore, the quantity of lubricating oil required for cooling a bearing of the hot end component is reduced.