50results about "Engine temperature" patented technology

The present disclosure relates to a lubrication monitoring system (15) configured to monitor a supply of lubricant in a handheld cutting tool (1) having a cutting unit (3,5). A lubricant tank (41) and a conduit (45) are configured to deliver a flow of lubricant from the tank (41) to the cutting unit (3,5). The lubrication monitoring system (15) comprises a heating element (29) and a sensor arrangement (31,33), the heating element (29) configured to heat the flow of lubricant. The sensor arrangement comprises a first sensor (31) disposed in the flow upstream of the heating element (29) and a second sensor (33) disposed in the flow downstream of the heating element. The lubrication monitoring system outputs a monitoring signal based on a sensed temperature difference between the first sensor (31) and the second sensor (33).

The present application belongs to the technical field of lubrication regulation of rolling bearing, in particular to a kind of lubrication state regulation method of rolling bearing, the noise, vibration, temperature rise, torque etc. lubrication state that appears in the operation process of rolling bearing is monitored in real time, according to monitoring result and lubrication failure mode, real-time supplement lubricant, when supplementing, grease and lubricating oil are alternately supplied, to repair the lubricating deposit film and lubricating oil consumed in the process of lubrication, make rolling bearing long-term in effective lubrication state, avoid abnormal shutdown, at the same time, according to monitoring result, the service life of rolling bearing can be effectively estimated;In view of the film forming mechanism and evolution recession process analysis of grease, the lubrication mode of alternately supplying grease and lubricating oil is proposed for centralized lubrication, the operation process is simple, the principle is scientific and reliable, and it is verified that the lubricant can be in long-term supply and loss imbalance state in the track.

The invention provides an intelligent control system for bearing lubrication of a flotation machine, a lubricating oil adding trigger instruction is obtained through a local control station, the trigger condition of the lubricating oil adding trigger instruction comprises at least one of the following items: lubrication period arrival and bearing parameter abnormity, and the bearing parameters comprise bearing temperature data and bearing vibration data; the lubricating oil adding trigger instruction carries the lubricating point address and the oil feeding amount; the local control station generates a lubricating oil adding instruction according to the lubricating oil adding trigger instruction; and the high-pressure lubrication pump station, the distributed electromagnetic oil feeding tank and the lubricating oil flowmeter add lubricating oil to the flotation machine bearing according to the lubricating oil adding instruction. On the basis that the lubricating oil is periodically added to the bearing, the lubricating oil is flexibly and specifically added according to the use state of the bearing, stable operation of the bearing is guaranteed, and the efficiency of the flotation machine is improved.

A propulsion unit (1) for a marine vessel, comprising a shell structure (2), a shaft (4) rotatably coupled to a propulsion motor (3) inside the shell structure (2), and a propeller (5) coupled to the shaft (4) outside the shell structure (2). A shaft seal arrangement (6) is provided to engage the shaft (4), such that at least a first seal chamber (6a) is delimited between adjacent seal lips (6') and the shaft (4). A first lubrication arrangement is provided for circulating a first lubricant through the first seal chamber (6a). The first lubrication arrangement (7) further comprises a first lubricant heat exchanger (7e) arranged at least partly outside of the shell structure (2) for conducting the first lubricant therethrough and for transferring heat from the first lubricant to an outside environment of the shell structure (2).

An oil blending system for a marine diesel two-stroke engine and / or generator comprising: at least one sensor for monitoring a current lubrication oil status of a lubrication oil currently used in the engine and / or generator; a blender having at least one inlet for receiving lubrication oil and at least one other component, and at least one outlet for outputting a mixed lubrication oil composition to the engine and / or generator; and a blender controller. The blender controller is configured to receive parameter data on the current lubrication oil status from the at least one sensor for monitoring the current lubrication oil status, receive parameter data on a current status of the engine and / or generator, automatically determine whether the lubrication oil currently used in the engine and / or generator is within a predetermined parameter range based on the current status of the engine and / or generator, and if the lubrication oil currently used in the engine and / or generator is outside the predetermined parameter range, determine a new lubrication oil composition for the engine or generator.

A drain plug for a component of a vehicle includes: a plug body having a stem portion configured to plug a corresponding hole in the component of the vehicle, and a sensor module. The sensor module includes a sensor and a wireless transmitter configured to transmit data regarding a reading from the at least one sensor. The sensor includes at least one of a temperature sensor, a pressure sensor, and an accelerometer. A system for wireless monitoring a component of a vehicle includes: a plug body having a stem portion configured to plug a corresponding hole in the component of the vehicle, and a sensor module having at least one sensor and a wireless transmitter configured to transmit data regarding a reading from the at least one sensor. The system also includes a receiver located on the vehicle and configured to receive the data from the wireless transmitter.

The invention discloses a water turbine guide bearing oil escape prevention device, which belongs to the technical field of guide bearing oil escape prevention, and comprises a water turbine rotor, and guide bearing assemblies are fixedly arranged at the upper end and the lower end of the water turbine rotor; the guide bearing assembly comprises oil basins fixedly connected to the upper end and the lower end of the water turbine rotor and fixed shells rotationally arranged at the upper end and the lower end of the water turbine rotor, the fixed shells are rotationally arranged at the tops of the oil basins and seal the oil basins, and the oil basins are filled with lubricating oil. The top of the fixed shell is fixedly provided with an anti-weight ring, the inner side of the fixed shell is fixedly provided with a plurality of anti-weight bolt mechanisms, through multi-dimensional structure optimization and function integration, the problems that lubricating oil of a traditional guide bearing escapes, the sealing performance is insufficient, the operation stability is poor and monitoring is not timely are solved, the anti-oil-escaping effect is remarkably improved, and the service life of the guide bearing is prolonged. And the adaptability, safety and operation and maintenance convenience of the device are enhanced, and reliable guarantee is provided for efficient and stable operation of the water turbine.

A lubrication system includes: a first pump capable of supplying oil drawn from the tank to the lubrication target; a second pump capable of discharging the oil drawn from the lubrication target to the tank; a relief valve capable of releasing the oil in the first flow path to the tank; a third pump capable of discharging the oil drawn through the intake opening to the tank, a switching valve capable of selectively switching a connection destination of the intake opening to either the lubrication target or the tank; and a valve control unit for switching the connection destination of the intake opening by controlling the switching valve.

A method of detecting degradation of a lubricant in a bearing of and electrical machine, comprising: a) obtaining a first outer bearing ring temperature, b) changing the speed of the electrical machine, c) obtaining a second outer bearing ring temperature when the speed has changed, d) determining a thermal response value of the outer bearing ring based on the first outer bearing ring temperature and the second outer bearing ring temperature, e) comparing the thermal response value with a reference thermal response value for the same speed change as in step b), and f) in case the thermal response value differs from the reference thermal response value, concluding that the performance of the lubricant has degraded.

To provide a lubrication system for smoothly supplying oil to a lubrication object by using oil, such as electrical machinery.SOLUTION: A lubrication system 30 includes: a first pump 38 capable of supplying oil sucked from a tank 36 to a lubrication object 24; a second pump 46 capable of discharging oil sucked from the lubrication object 24 to the tank; a relief valve 54 capable of releasing oil in a first flow passage 42 to the tank 36; a third pump 62 capable of discharging oil sucked via a suction port 62i to the tank 36; a selector valve 60 capable of selectively switching a communication destination of the suction port 62i to either one of the lubrication object 24 or the tank 36; and a valve control section 82 that switches the communication destination of the suction port 62i by controlling the selector valve 60.SELECTED DRAWING: Figure 2

Device (4) for operating a conveying system (2) for conveying a lubricant, comprising: a sensor interface (16) for receiving an information signal containing information about an ambient temperature in an environment of the conveying system (2); and a control interface (20) for outputting a control signal for the conveying system (2), which causes a change in a conveying characteristic of the (8) conveying system (2) which includes a piston pump used for conveying the lubricant, depending on the information signal, wherein the control signal causes a reduction in the number of pump strokes of the piston pump (8) by adjusting the suction time by a defined stop in a suction position of the piston pump when the information about the ambient temperature indicates a reduction in the ambient temperature.

This invention relates to a method for determining the lubricating oil conditions of a stationary gas engine, the method comprising the following steps: retrieving lubricating oil temperature information and retrieving lubricating oil level information from a lubricating oil level sensor, wherein the lubricating oil level sensor is a capacitive sensor, and a step of normalizing the lubricating oil level information based on the lubricating oil temperature information.

A lubricating system (1) is disclosed, having a progressive distributor (2) for dispensing lubricant to a consumer (6), wherein the progressive distributor (2) has at least one sensor (8), which is designed to determine at least one lubricant pressure within the lubricating system (1), wherein the lubricating system (1) also has a control device (10), which is designed to receive measured values from the sensor (8), wherein the control device (10) is designed to detect lubricating cycles on the basis of the measured values and to ascertain the average pressure of a lubricating cycle, to compare the ascertained average pressure with a normal pressure of the lubricating system (1) and to determine the state of the lubricating system (1) on the basis of the result of the comparison.

A compression apparatus 10 disclosed includes: a compression roll 20 that includes a roll main body 21 and a shaft 22 and that compresses an electrode plate 100 for battery us using the roll main body 21; a bearing 30 of circulating oil supply type that rotatably supports the shaft 22; and a temperature control device 41 or 42 that is connected to the bearing 30 via a pipe 50 and that controls the temperature of the bearing 30 by supplying to the bearing 30 a lubricating oil whose temperature has been adjusted. The temperature control device 41 or 42 is configured to adjust the temperature of the lubricating oil such that a difference between the temperature of the lubricating oil and a target oil temperature, which is determined based on a roll center temperature being the temperature of the central area of the roll main body 21, becomes less than or equal to a first threshold value. With the above configuration, generation of thermal crowns can be suppressed.

HYBRID VEHICLE CONTROL METHOD for controlling the operation of electric and internal combustion engines to enable regeneration of lubricating oil and prevent deterioration due to fuel contamination, taking into account the condition of the fuel, battery and engine load regime.

A device includes an oil pump (1) with an electric engine (2), an input and output oil piping (9), an element (5) for separation of impurities and an independent, removable electric power source (3) for propulsion of the pump (1 ). The pump (1 ), the element (5) for the separation of the impurities and the independent electric power source (3) can be placed in a single body (4) that is designed for a connection to the construction of the machine or industrial robot. The electric power source (3) is a battery and / or accumulator, preferably rechargeable accumulator with DC voltage, which allows for flexible deployment of the device even on the moving parts and arms of the machines, manipulators and industrial robots. The element (5) for the separation of the impurities is a filtration element, preferably with removeable filtration insert. The advantage of the device is the decrease of the environmental burden, which decreases the overall consumption of the oil during industrial maintenance.

The invention relates to the technical field of lubrication stations, in particular to a lubrication station automatic circulating water cooling device which comprises a lubrication station body and an elevator reduction gearbox, and a first communicating pipe is fixedly communicated between the oil outlet end of the lubrication station body and the oil inlet end of the elevator reduction gearbox. A second communicating pipe is fixedly communicated between the oil inlet end of the lubrication station body and the oil outlet end of the elevator reduction gearbox, and an electric contact thermometer is fixedly installed at the end, close to the lubrication station body, of the second communicating pipe. The oil temperature is monitored in real time through the electric contact thermometer, and the temperature of cooling water is adjusted under the action of the temperature control adjusting mechanism, so that the oil temperature is kept between the highest point and the lowest point set by the electric contact thermometer during cooling, the influence of continuous reduction of the oil temperature on lubrication is reduced, and the use effect of lubricating oil is guaranteed.

The invention discloses a compound planetary gear box gear anti-torque reinforcing planet carrier assembly, and relates to the technical field of planet carriers, the compound planetary gear box gear anti-torque reinforcing planet carrier assembly comprises a main body mechanism, a shell mechanism for protecting the main body mechanism is arranged on the outer side of the main body mechanism, and the main body mechanism comprises a sun gear; by arranging the rotating arm assembly, a traditional planet carrier is arranged to be of a two-piece type and double-side-plate structure and is named as a bottom frame and a fixing frame, the bottom frame is provided with a planet pin shaft, a second inserting hole is formed in the planet pin shaft, and a first inserting hole is formed in the bottom frame; an inserting rod and a reinforcing rod which are installed on one side of a fixing frame are inserted into a first inserting hole and a second inserting hole correspondingly, the bottom frame and the fixing frame are combined into a whole through threaded connection of a first bolt, the bottom frame, a planet pin shaft and the reinforcing rod, connecting fulcrums are added, and the box type structure of the bottom frame is combined, so that the overall rigidity of the planet carrier is enhanced, and the torsion resistance of the planet carrier is improved; and the possibility of torsional deformation is reduced.

The invention begins with a bearing lubrication device (10) comprising a lubrication unit (12) configured to discharge grease into a space (14) between a first ring (16) and a second ring (18) of a bearing (20), and at least one temperature sensor (22) capable of measuring the temperature T of a component (34) of the bearing, and at least one control unit (24) programmed to induce the lubrication unit to discharge grease as a relubrication time span elapses. The relubrication time span is proposed to depend on (I) and / or (II), where t is time, and P is the power required to compensate for friction in the bearing or an approximation of that power. EHL It is the sum or an approximation of the sum of the power required to compensate for the friction between the rolling elements (26) of the bearing and all the rings (16, 18) of the bearing and the power required to compensate for the friction caused by the seals (28, 30) of the bearing, where is the ambient temperature, C(t) and D(t) are functions, and are held constant, where and where t chur This refers to the point in time when the bearing ends its agitation phase after it first starts operating at t=0. (I) (II)

To provide an oil temperature estimation device capable of estimating an oil temperature of a driving system without using (including) an oil temperature sensor for detecting the oil temperature.SOLUTION: An ECU 80 constituting an oil temperature estimation device 1 includes a saturation oil temperature acquiring unit 81 for calculating a saturation oil temperature Tfin on the basis of an outside air temperature (engine intake air temperature) Ta and vehicle speed Vcar, an oil temperature deviation acquiring unit 82 for calculating an oil temperature deviation Tdif between the saturation oil temperature Tfin and a previous value Te (n-1) of an estimated oil temperature, an oil temperature feedback value acquiring unit 83 for calculating an oil temperature feedback value Tfb on the basis of the oil temperature deviation Tdif and the vehicle speed Vcar, and an estimated oil temperature acquiring unit 84 for calculating a current value Te (n) of the estimated oil temperature on the basis of the previous value Te (n-1) of the estimated oil temperature and the oil temperature feedback value Tfb.SELECTED DRAWING: Figure 1

The invention discloses an electromagnetic valve closed-loop control system of an engine variable displacement oil pump, and relates to the technical field of pressure control. According to real-time engine oil temperature and pressure dynamic evolution characteristics in a hydraulic medium state, engine oil equivalent viscosity is determined, and oil pressure regulation control reference information is generated; the duty ratio adjusting module is used for dynamically adjusting the response sensitivity of a pressure adjusting loop according to the equivalent viscosity of engine oil based on the oil pressure adjusting control reference information so as to adapt to the movement damping change of the hydraulic medium in different temperature states, and a target control duty ratio signal of the electromagnetic valve is obtained; the flutter superposition module is used for matching a corresponding flutter frequency and a corresponding flutter amplitude value according to the equivalent viscosity of the engine oil, loading the flutter frequency and the flutter amplitude value to a target control duty ratio signal of the electromagnetic valve and generating an electromagnetic valve driving control instruction; and the engine lubrication consistency and the fuel economy are improved.

The invention relates to a device for determining the actual state and / or the remaining service life of a construction, materials-handling and / or conveyor machine, having a plurality of sensors provided on the construction, materials-handling and / or conveyor machine for recording various state information, a recording unit connected to the sensors for gathering the recorded state information, a central unit able to be connected to the recording unit for evaluating the gathered state information and determining the actual state and / or the remaining service life from the gathered state information, and a display device for displaying the determined actual state and / or the determined remaining service life, wherein the sensors comprise various sensor types for recording at least two different categories of information from the group comprising component oscillations, lubricant properties, component and / or lubricant temperature and drive loading and the central unit is designed to ascertain the actual state and / or the remaining service life on the basis of the at least two different categories of information.

Systems (100) and methods (300) for lubricant dilution detection are disclosed. A method (300) for detecting lubricant dilution for a lubrication system (14) includes detecting a low idle condition (420). The method (300) includes receiving sensed values indicative of lubricant pressure and lubricant temperature during the low idle condition (420). The method (300) also includes determining a lubricant pressure threshold (415) based on the sensed value indicative of lubricant temperature. The method (300) further includes determining lubricant dilution based on the sensed value indicative of lubricant pressure and the determined lubricant pressure threshold (415) during the low idle condition (420). In accordance with a determination that there is lubricant dilution, the method (300) includes outputting an indication of the lubricant dilution.

An engine oil system includes a filter assembly, a sensor assembly, and a controller. The filter assembly includes a filter and a bypass valve. The filter assembly forms a portion of an oil flow path of the engine oil system. The sensor assembly includes an inlet pressure sensor, an outlet pressure sensor, and a temperature sensor. The controller is configured to control a position of the bypass valve in the open position or the closed position with an unfaulted control routine using a temperature (TOIL) measured by the temperature sensor and a differential pressure (ΔPOIL) measured by the inlet pressure sensor and the outlet pressure sensor, execute a bypass valve control algorithm configured to identify a faulted condition and an unfaulted condition of the sensor assembly, and identify the faulted condition or the unfaulted condition using the bypass valve control algorithm. The faulted condition is identified where the temperature (TOIL) or the differential pressure (ΔPOIL) is outside of an expected temperature range or an expected differential pressure range, respectively.

The invention discloses a lubricating grease temperature control method and device for engineering machinery and the engineering machinery, the lubricating grease temperature control method and device are applied to a lubricating grease heating system, the lubricating grease heating system comprises a temperature detection device, an engine, a heat exchanger and a cooling liquid circulation pipeline, and the temperature detection device is used for detecting the temperature of a lubricating grease storage device; the engine and the heat exchanger are connected through a cooling liquid circulation pipeline. The method comprises the steps that the current temperature, detected by the temperature detection device, of the lubricating grease storage device is obtained; and under the condition that the current temperature is lower than the preset lubricating grease temperature lower limit threshold value, a cooling liquid circulation pipeline is started, so that the lubricating grease storage device is heated through the heat exchanger. The high-temperature cooling liquid of the engine of the engineering machinery is used as a heat source, the lubricating grease storage device is heated through the heat exchanger, energy consumption can be reduced, opening and closing of the cooling liquid circulation pipeline are controlled based on the current temperature of the lubricating grease storage device, and efficiency is higher.

A bearing device (30) includes a bearing (5a) rotatably supporting a main shaft (4) about a rotation axis (P0), a spacer (6) having an inner ring spacer (6i) adjacent to an inner ring (5ia) of the bearing (5a) and an outer ring spacer (6g) adjacent to an outer ring (5ga), and a heat flux sensor (11a) provided in an inner surface (6gA) of the outer ring spacer (6g). A distance (L) from a center of the bearing (5a) to a center of the heat flux sensor (11a) in a direction along the rotation axis (P0) is longer than 0.5 times and shorter than 1 times a size (B) of the bearing (5b) in the direction along the rotation axis.

The invention provides a lubrication control system and a control method of the lubrication system, and the lubrication control system comprises a gear flowmeter assembly, a lubrication oil station, a sensor assembly comprising a vibration sensor, a temperature sensor and a pressure sensor, and a fault diagnosis control unit in communication connection with all the assemblies. On-line fault diagnosis is executed by conducting correlation analysis on multi-source sensing signals, then the output flow of the lubricating oil station is dynamically adjusted, and on-demand lubrication based on the equipment state is achieved. According to the lubricating system, gear flowmeter monitoring and multi-sensor correlation analysis diagnosis are combined, a control closed loop is formed, on-demand lubricating based on the equipment state is achieved, the problem that the reliability of an existing lubricating system is insufficient due to the fact that the control dimension is single is solved, and the safety and reliability of equipment operation are improved.

The invention provides a disc type separator which comprises a machine base, a vertical shaft arranged in the machine base and driven by a motor and a rotary drum fixedly arranged at the top of the vertical shaft, the vertical shaft is fixed in the machine base through an upper bearing set and a lower bearing set, the lower bearing set is immersed in an oil tank located in the machine base, and a conveying channel is arranged in the vertical shaft. One end of the conveying channel is communicated with an oil outlet located in the vertical shaft, the other end of the conveying channel is provided with an oil suction device with the high oil inlet amount, the oil suction device is formed by combining a disc body and a column body, an oil inlet channel composed of a guide section and a conveying section is formed in the disc body, and the oil inlet channel is communicated with an oil conveying channel located in the column body. Lubricating oil in the oil tank is disturbed through the improved oil suction device so as to increase the oil inlet amount, and the oil suction device is applied to lubrication of the upper bearing of the disc type separator with the upper bearing far away from the oil tank; meanwhile, the maintenance requirement of the disc separator is warned in time by detecting temperature difference data of the upper bearing and the lower bearing, and the situation that the upper bearing is damaged and fails is avoided.

The present invention belongs to the technical field of coal mine underground speed reducer maintenance equipment, and specifically is a horizontal axis cutting speed reducer lubrication online detection system and method, including a horizontal axis cutting speed reducer driven by a cutting motor, the lubricating oil outlet of the horizontal axis cutting speed reducer is connected to a lubrication pump, the lubrication pump is connected in sequence to a lubrication online detection device, a filter, a water cooler, and a lubrication distributor, the lubrication distributor is connected to each lubrication point of the horizontal axis cutting speed reducer via a pipeline and an oil pipe, the cutting motor and the lubrication online detection device are connected to a flameproof and intrinsically safe electrical control box, and the flameproof and intrinsically safe electrical control box is connected to an intrinsically safe sound and light alarm. The present invention utilizes the characteristic that the dielectric constant of the oil sensor in air and oil is different, and the oil sensor is placed at a high point in the system, so that the oil shortage state of the lubrication and cooling system can be detected and a timely warning can be issued.

An engine oil system includes a filter assembly, a sensor assembly, and a controller. The filter assembly includes a filter and a bypass valve. The filter assembly forms a portion of an oil flow path of the engine oil system. The sensor assembly includes an inlet pressure sensor, an outlet pressure sensor, and a temperature sensor. The controller is configured to control a position of the bypass valve in the open position or the closed position with an unfaulted control routine using a temperature (TOIL) measured by the temperature sensor and a differential pressure (ΔPOIL) measured by the inlet pressure sensor and the outlet pressure sensor, execute a bypass valve control algorithm configured to identify a faulted condition and an unfaulted condition of the sensor assembly, and identify the faulted condition or the unfaulted condition using the bypass valve control algorithm. The faulted condition is identified where the temperature (TOIL) or the differential pressure (ΔPOIL) is outside of an expected temperature range or an expected differential pressure range, respectively.