92results about How to "Increase oil temperature" patented technology

There is provided a hydraulic pump startup control device in a hydraulic system, which avoids an overloaded state at startup to enable low-temperature, fast startup and maintaining of the temperature with low-cost means in order to improve low-temperature startability. A bypass path 19 is placed in parallel with a hydraulic main line from a hydraulic tank, and the downstream of the bypass path is made merged with the hydraulic main line. A bypass valve 3 that opens or closes the bypass path is provided in the bypass path, and a pressure sensor is provided in the inlet of a hydraulic unit in the hydraulic main line. Further, a control device 10 to which a pressure detection value in the hydraulic main line is input from the pressure sensor to open the bypass valve based on the pressure detection value upon startup of the hydraulic unit. The control device repeats on-off control to circulate oil in the bypass path while keeping the pump discharge pressure and the flow rate to open the bypass path at startup so that the actuation power of the hydraulic unit will become the maximum in order to rise the hydraulic temperature of the hydraulic main line.

The invention discloses spicy non-slag hotpot oil with sauce aroma and a preparation method thereof and belongs to the field of hotpot condiments. The spicy non-slag hotpot oil with the sauce aroma comprises the following raw materials: soybean oil, palm oil, beef tallow, rapeseed oil, allium fistulosum, ginger, onion, sheep's-parsley, garlic, rock candy, fennel, cinnamon, anise, cumin, clove, black pepper, radix angelicae, Chinese prickly ash, pickled ginger, two-briers pepper, a new generation of pepper, Indian pepper, a broad-bean sauce, fermented soybeans, nutmeg, neolitsea ellipsoides allen, amomum tsao-ko, salt, white granulated sugar, aginomoto, a chicken essence, concentrated pork bone soup and Chinese white spirit. The prepared hotpot oil has a thick fragrance and a sauce aroma, and is spicy, and soft and mellow in taste.

A system for reducing the refrigerant pressure in an oil sump (10) or in a cavity (352) of a housing. The invention is particularly useful for reducing pressure in a compressor (23) for heat pump applications that has been validated for water chiller operations or in turbine and generator systems in ORC systems generating electricity using refrigerant, the ORC systems essentially being a heat pump application operating in reverse. An auxiliary compressor (509), an auxiliary condenser (709) or an ejector pump (609) may be used to reduce pressure in the oil sump (10), to separate refrigerant from oil. The auxiliary compressor (509), the auxiliary condenser (709) or the ejector pump (609) may also be used to reduce the pressure of refrigerant in the housing of a compressor in heat pump applications at temperatures and pressures at which the compressor was validated for water chiller applications and of the turbine and generator in ORC applications.

The present invention provides a suction oil filter device for an engine or a transmission that has an oil inlet and an oil outlet on the filter housing, a suction oil pump connectable to the oil outlet, using which a partial vacuum may be generated between oil inlet and oil outlet, a fine filter medium and an ultrafine filter medium, which are situated between the oil inlet and the oil outlet. The fine filter medium is attached to the oil inlet or to the oil outlet, and the ultrafine filter medium is situated before the fine filter medium in the flow direction and in a secondary flow area of the filter housing. A high filtration performance may thus be achieved at low production outlay.

The invention relates to underground ignition technology of a combustion drive oil layer by injecting steam. Above 3000 meters oil layer, under a strong oxidation effect of the crude oil in the oil layer, the crude oil, namely carbohydrate, and the O2 at a high temperature generate CO2 plus H2O plus heat, thereby reaching the effect of displacement of reservoir oil. The injected steam is used for heating the oil layer so that the oil layer directly reaches the combustible temperature of oil with the help of the heat of the steam and air is directly injected, thus the high and strong oxidation effect that is combustion is generated. The carbon dioxide recombined with multiple drive oil layers is sent out. The thickness is less than 2 meters. A well section is arranged near the bottom of the oil layer. In addition the injection steam has the standard that a steam quantity is not less than 300cm<3>, the injection steam dryness is more than 5%, the injection steam temperature is more than 350 DEG C, and the injection steam pressure is between 2 and 20 MPa. The technology dispenses with physical simulation before ignition, manufactures the underground electric heater, shortens the ignition time and is high in success rate.

A cooling and dedusting method of a gearbox lubricating and cooling system comprises the following steps that S1, the gearbox lubricating and cooling system is assembled; S2, the speed of an oil pump motor is regulated in the starting or running process; S3, dust and oil films bonded on a cooler and a cooler fan are removed. According to temperature information fed back by mounting in an oil tank of a gearbox, PID automatic control is carried out over the running frequency of the oil pump motor and a fan motor so that a frequency converter can control the running speed of the fan and the running torque of the oil pump motor. In the starting and running process of the oil pump motor, the oil pump motor is made to be started smoothly according to the temperature and viscosity condition of lubricating oil, and the aim of saving energy under the working condition of high temperature is achieved.

The invention discloses an oil temperature control method and system for a speed changer. The method comprises the following steps: acquiring the oil temperature of speed changer cooling oil; controlling the speed changer to enter different temperature control modes according to the oil temperature of the speed changer cooling oil; when the speed changer runs in a current temperature control mode, judging whether the temperature control mode is switched or not according to the change trend of the oil temperature of the speed changer cooling oil, adjusting a gear shift curve to avoid the temperature rise of the speed changer cooling oil caused by frequent gear shift in the first temperature control mode, adjusting the opening of a solenoid valve to increase the oil amount of the speed changer cooling oil while controlling by the first temperature control mode in the second temperature control mode, and adjusting the oil pressure to further increase the oil temperature of the speed changer cooling oil while controlling by the second temperature control mode in the third temperature control mode. According to the oil temperature control method provided by the embodiment of the invention, the oil temperature of the speed changer cooling oil can be comprehensively and accurately controlled and the service life of the speed changer is effectively prolonged.

A pure electric vehicle transmission includes a transmission box, a top side of the transmission box is provided with a temporary oil storage case, a bottom side thereof is stored with lubricating oil, the temporary oil storage case is provided with a plurality of lubricating oil holes, a gear-connected transmission input shaft and an intermediate coupling are located at a lower side of the oil storage case and arranged above a lubricating oil surface, an intermediate coupling gear is connected with a differential gear, a lower side of the differential gear is immersed in the lubricating oil, the lubricating oil at the bottom side of the transmission box is splashed in the temporary oil storage case via the rotation of the differential gear, the lubricating oil lubricates various parts of the transmission through the lubricating oil holes, and then returns to the bottom side of the transmission box to form circulation.

When a loss or degradation in the function of one of a first aircraft central hydraulic power source and a second aircraft central hydraulic power source occurs, a controller performs a control so as to operate the other backup hydraulic pump, out of a first backup hydraulic pump and a second backup hydraulic pump, which is connected downstream of the other hydraulic power source, which is the other of the first and second aircraft central hydraulic power sources. Oil flowing through the other backup hydraulic pump is cooled by an oil cooler of the other hydraulic power source by operation of the other backup hydraulic pump in a state where the other hydraulic power source is being operated.

The invention relates to a sub-critical pressure steam injection boiler, a steam pipeline system of which comprises a water pump, a water supply pipe, a steam discharge pipe, a radial pipe bundle, a convection pipe bundle, a steam separator and a feed water preheater; wherein the radial pipe bundle is formed by the connection of a plurality of rows of horizontal U-shaped straight pipes, the convection pipe bundle is formed by the connection of a plurality of rows of U-shaped light pipes and U-shaped finned pipes, the feed water preheater is composed of a shell and an internal sleeve pipe, the shell is provided with a shell side inlet and a shell side outlet, the two ends of the internal sleeve pipe are provided with a pipe side inlet and a pipe side outlet, the shell side inlet is communicated with the water supply pipe, the shell side outlet is communicated with the inlet of the convection pipe bundle, the outlet of the convection pipe bundle is communicated with the pipe side inlet, the pipe side outlet is communicated with the inlet of the radial pipe bundle, the outlet of the radial pipe bundle is communicated with a steam inlet pipe of the steam separator, and a steam outlet pipe of the steam separator is communicated with the steam discharge pipe. The steam injection boiler provided in the invention has the advantages of the concise and compact arrangement of the steam pipeline, the smooth operation, the safety and reliability and the high heat efficiency, and solves the problem of that the high-pressure deep-well block and the ultra thick oil block are difficult to be mined.

A cooling device includes a first cooling medium circuit for circulating a cooling medium that passes through a main body of an engine to a first heat exchanger, a second cooling medium circuit for circulating a cooling medium that passes through the main body to a second heat exchanger, a control valve that is commonly used in the first and second cooling medium circuits, and a control device. The control valve includes a rotatable rotor, and is configured such that a rotation range of the rotor includes a water stop section in which the circuits are both closed. The control device restricts output power of the engine in a period in which the rotation angle is in the water stop section, when the rotor rotates via the water stop section at an operating time of the control valve.

A scroll compressor includes a compression mechanism having a fixed scroll and an orbiting scroll. The fixed scroll includes a first end plate, an outer peripheral wall extending from an edge of first end plate, a first oil groove, and a first wrap inside of the outer peripheral wall. The orbiting scroll includes a second end plate in sliding contact with an end of the first wrap and an end of the outer peripheral wall, a second oil groove, and a second wrap. The first oil groove is disposed on a surface of the outer peripheral wall, extends along an inner periphery of the outer peripheral wall, and is configured to receive lubricating oil at a high pressure corresponding to a discharge pressure of the compression mechanism. The second oil groove is disposed on a surface of the second end plate, and is communicatable with the first oil groove.

The invention discloses an accurate control system and method for synchronous jack-up main jacks for an aircraft. The control system comprises at least three main jacks and further comprises a PLC controller electrically connected with each main jack, and a control end electrically connected with the PLC controller, wherein each main jack is equipped with a servo driver, the servo drivers are electrically connected with servo motors of the main jacks, a pipeline on which the servo motors are communicated with main jack acting cylinders is further provided with a proportion valve and an electromagnetic valve, pull wire sensors are further connected between supporting heads of the main jack acting cylinders and the main jack acting cylinders, and the servo drivers, the proportion valve, theelectromagnetic valve and the pull wire sensors are electrically connected with the PLC controller. The accurate control system is advantaged in that an automatic full-machine synchronous jack-up modeis employed, labor intensity of the aircraft staff is greatly reduced, the preparation time for military aircraft maintenance is shortened, and economic benefits of civil aircrafts are improved.

The invention relates to the technical field of ship fuel oil preheating, and particularly relates to a cabin cabinet energy-saving system heat exchange box and a ship fuel oil preheating system, andthe problem that the oil temperature nearby a suction port is too low and the cold starting and pumping of the delivery pump are difficult existing in the existing 'small isolation cabin' form ship fuel oil preheating system are relieved. The cabin cabinet energy-saving system heat exchange box comprises an oil injection pipe and an oil pumping pipe; at least part of the input end of the oil injection pipe is positioned in the suction end of the oil pumping pipe; and a heating coil sleeves the input end of the oil injection pipe. According to the cabin cabinet energy-saving system heat exchange box and ship fuel oil preheating system, the viscosity of the fuel oil near the oil injection pipe is reduced, the conveying resistance of the oil pumping pipe is reduced, a conveying system can normally work when the conveying system is started, the phenomenon that the initial moment resistance of the starting of the delivery pump is too large and the work load of the delivery pump is too largeto start the delivery pump due to too low fuel oil temperature in the oil injection pipe is avoided, the heat exchange efficiency is improved, and the operation cost is reduced.

The invention relates to the technical field of food production and processing, in particular to an odd taste broad bean deep-frying device. The device comprises a heater and a vacuum pump, wherein a heating tank is arranged in the heater, a sealing cap is installed on the heating tank, a liner is installed in the heating tank, a cavity is reserved between the liner and heating tank, and a plurality of oil holes are formed in the liner; the two sides of the heating tank are both provided with a piston cylinder communicated with the cavity, pistons are installed in the piston cylinders, the pistons are connected to hollow piston rods in a hinged mode, the piston rods hinged to the sealing cover and one piston rod is communicated with an air inlet pipe provided with a relief valve, and the other piston rod is communicated with an air intake pipe; the open end of the air intake pipe is connected to the vacuum pump, a deep-frying drum is installed in the liner, fan blades are installed inside the deep-frying drum, oil-immersion holes are formed in the deep-frying drum, the two ends of the deep-frying drum are connected to tube shafts respectively, and the tube shafts are communicated with the piston rods respectively. According to the scheme, flowing air is guaranteed in the device in the vacuumizing process, accordingly the temperature of the colza oil is lowered, and oil fume generated in the device is brought away by the flowing air.

The invention discloses a screw type efficient oil pumping device. The screw type efficient oil pumping device comprises a shell, an oil gathering cover, a detecting sensor, a spindle, screw blades, air foils, an air suction device and a rotating motor; the oil gathering cover is arranged on the bottom of the shell; the detecting sensor is arranged in the oil gathering cover; the rotating motor is arranged on the top of the shell; the spindle is arranged in the shell; an outputting shaft of the rotating motor extends into the shell and is connected to the top of the spindle; the screw blades are arranged on the spindle; each screw blade is provided with the corresponding air foil; the spindle is also provided with the air suction device; and the air suction device is fixed between the screw blades and the rotating motor. By the screw type efficient oil pumping device, screw type oil pumping is convenient to implement; work efficiency is high; time is saved; and oil pumping amount is large.

A turbine generator set oil pipeline half-outside oil circulation system comprises a main engine oil tank, an engine oil conveying part connected with the main engine oil tank, and a lubricating part connected with the engine oil conveying part; the lubricating part comprises a lubricating oil inlet pipe, components to be lubricated and a lubricating oil return mother pipe, wherein the components to be lubricated are connected with the lubricating oil inlet pipe, the lubricating oil return mother pipe is connected with the components to be lubricated, and the lubricating oil return mother pipe is connected with the main engine oil tank; the engine oil conveying part comprises four temporary engine oil conveying oil circuits and a high-flow flushing device. The turbine generator set oil pipeline half-outside oil circulation system has the advantages that the high-flow flushing device is used in the system flow unified distribution state, the flushing mode of paralleling operation of a pumping set of the system and a high-flow pumping set can be realized, and the requirement of a lubricating oil system for high-flow flushing is well met.

The invention provides a signal detection system and method for a hydraulic force mechanical speed changing box. A hydraulic force mechanical speed changing box ECU control unit is used as a central controller, movement control and information storage of the hydraulic force mechanical speed changing box are realized through two ways of collection built-in sensor state and vehicle control unit interaction. Specifically that the rotate speed of a torque converter pump wheel, turbine rotate speed, oil temperature, a clutch signal, speed changing box neutral position, reverse gear and other statussignals obtained by detection realize communication and information storage with the vehicle control unit and a storage through CAN bus, the hydraulic force mechanical speed changing box ECU controlunit provides data sources for automatic adjustment heat dissipation power of a hydraulic force mechanical speed changing box radiator, the overload protection of a clutch, a reversing radar, an amblecaution and fault diagnosis, the problem that the hydraulic force mechanical speed changing box is damaged caused by the amble high temperature and the clutch high temperature is avoided, and meanwhile functions such as reversing radar reminding and the fault diagnosis are provided for users.

The invention discloses a micro turbojet engine. The micro turbojet engine comprises a compressor box, a cowling, a compressor impeller, a diffuser, a combustion chamber, a turbine, a housing and a shaft. The cowling is disposed on the end of the housing, and the compressor box is disposed on the central section of the cowling. The shaft is disposed rotationally on the axis position of the housing, the compressor impeller is disposed on the end closed to the compressor box of the shaft, and the turbine is disposed on the other end. The diffuser is disposed between the compressor impeller and the turbine and closed to the compressor impeller, and a motor rotor and a motor stator are disposed between the compressor impeller and the diffuser. The micro turbojet engine changes the pneumatic starting into direct current motor starting, and the permanent magnet direct current motor is disposed between the compressor impeller and the diffuser, so that the motor is used as a starting motor and a generator. The micro turbojet engine is convenient to start, and the started motor changes to be the generator, so that the micro turbojet engine can be used as two ways.