25results about "Engine temperature" patented technology

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.

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.

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.

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.

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.

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.

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.

A method of active bearing temperature control.SOLUTION: An electric motor assembly includes a shaft, a bearing, at least one fluid channel, a temperature sensor, a lubricant supply pump, a controller, and a bearing interface. The at least one fluid channel is fluidly coupled with the bearing interface. The temperature sensor detects a temperature of the bearing. The lubricant supply pump transports lubricant from the lubricant supply to the bearing interface via the at least one fluid channel. The controller receives the temperature of the bearing from the temperature sensor, determines a difference between the temperature of the bearing and the lubricant supply temperature, determines a lubricant flow rate based on the difference, and sends a control signal to the lubricant supply pump to cause the lubricant supply pump to transport lubricant to the bearing interface at the lubricant flow rate.SELECTED DRAWING: Figure 1

A propulsion unit for a marine vessel, including a shell structure, a shaft rotatably coupled to a propulsion motor inside the shell structure, and a propeller coupled to the shaft outside the shell structure. A shaft seal arrangement is provided to engage the shaft, such that at least a first seal chamber is delimited between adjacent seal lips and the shaft. A first lubrication arrangement is provided for circulating a first lubricant through the first seal chamber. The first lubrication arrangement further includes a first lubricant heat exchanger arranged at least partly outside of the shell structure for conducting the first lubricant therethrough and for transferring heat from the first lubricant to an outside environment of the shell structure.

The invention discloses an intelligent monitoring and diagnosis system for a lubricating system of a rotary atomizer, and relates to the technical field of operation and maintenance of rotary atomizer equipment, and the intelligent monitoring and diagnosis system accurately captures an abnormal fluctuation inflection point in data through an intelligent algorithm, further locates an equipment fault part and generates a targeted rectification suggestion; meanwhile, operation and maintenance personnel are guided to focus on key problem points to carry out deep analysis, the fault occurrence rate after equipment is officially online is effectively reduced, the operation stability of the equipment is improved, real-time sensing of the state of the lubricating system is achieved through multi-sensor deployment and high-frequency data acquisition, hysteresis and blind areas of manual inspection are eliminated, and the working efficiency is improved. Abnormal conditions can be found at the first time; based on multi-parameter fusion analysis and an intelligent algorithm, the fault type can be identified, the fault source can be positioned, the diagnosis accuracy is greater than or equal to 95%, and the problems of misjudgment and missed judgment of artificial experience judgment are solved; the visual platform realizes remote centralized monitoring, reduces manual inspection frequency, and reduces labor cost and safety risk.

The invention discloses an intelligent operation and maintenance and automatic control integrated device for electromechanical equipment. The intelligent operation and maintenance and automatic control integrated device comprises industrial motor equipment, a temperature detection assembly, a swing assembly, a touch assembly, an oil injection assembly and an oil supplementing assembly. The temperature detection assembly makes contact with the temperature generated during operation of the industrial motor equipment through a sensor structure, and temperature information generated by the temperature detection assembly is transmitted to the swing assembly through circuit signals. Through integration of industrial motor equipment, a temperature detection assembly, a swing assembly, a touch assembly, an oil injection assembly and an oil supplementing assembly and cooperation of a supporting frame and a fixed supporting plate, stable installation of the oil injection assembly is ensured, a bottom frame, a sliding rail and an adjusting sliding block in the swing assembly are in sliding fit, and a guiding sleeve plays a guiding role on a conical ejector rod; and a sliding connecting plate in the touch assembly is matched with a slide way in an anti-falling manner, so that the compactness and the stability of the whole structure are further improved, and the problems of tedious installation and unsmooth operation caused by a distributed structure are avoided.

The present invention pertains to a method of determining a lubrication oil condition of a stationary gas engine comprising the steps of retrieving (S10) a lubrication oil temperature information (10) and retrieving (S 20) a lubrication oil level information (20) from a lubrication oil level sensor (22), wherein the lubrication oil level sensor (22) is a capacitance sensor, and a step of normalizing (S30) a lubrication oil level information (20) over the lubrication oil temperature information (10).

A lubricant adapter unit (10) configured to supply lubricant to a device (2) to be lubricated, the lubricant adapter unit (10) comprising a lubricant flow path (12a) and a lubricant flow meter (18) connected to the lubricant flow path (12a).

A bearing apparatus (30) includes a bearing (5a) that rotatably supports a main spindle (4) around a rotation axis (P0), a spacer (6) including 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 inside surface (6gA) of the outer-ring spacer (6g). A distance (L) in a direction along the rotation axis (P0) from a center of the bearing (5a) to a center of the heat flux sensor (11a) is longer than 0.5 time and shorter than one time of a dimension (B) of the bearing (5a) in the direction along the rotation axis.

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

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.

The invention discloses a standby machine lubrication detection method and system, a standby machine and a storage medium, and relates to the technical field of lubrication detection, the standby machine lubrication detection method and system are applied to a standby machine lubrication detection system, and the standby machine lubrication detection system comprises an oil pump of the standby machine, a lubrication pipeline and a pressure sensor. Corresponding oil pumps are started to supply oil to lubricating pipelines, and a foundation is laid for oil pressure data acquisition; the pressure sensor collects and judges first oil pressure, and initial state screening of the lubricating system is achieved; when the first oil pressure does not reach the standard, the oil pump is controlled to increase pressure so as to increase the pipeline oil pressure, a basis is provided for fault layering judgment, and shutdown caused by initial low-pressure misjudgment serious faults is avoided; the pressurized second oil pressure is collected and judged, and a basis is provided for follow-up reminding or shutdown protection; and if the second oil pressure reaches the standard, reminding is output, abnormity is eliminated through pressurization, the lubrication detection precision is improved, and bearing damage when the standby machine is started is avoided.

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

The corrugated plate type lubricating oil tank for the radial forging machine comprises an oil tank body, an oil return opening and a second oil suction opening are formed in the side wall of the oil tank body, and a corrugated plate device capable of being integrally detached is installed in the oil tank body through a fixing support. The corrugated board device divides the inner cavity of the oil tank into an oil return area, an oil absorption area and a bottom heating area; the device comprises a rectangular mounting frame, multiple layers of corrugated boards are sequentially and obliquely arranged in the frame from bottom to top and fixed through positioning blocks, and cellular boards are arranged on the two sides of the frame. An oil return guide plate is obliquely arranged on the inner side of the oil return opening, and an oil suction guide plate is obliquely arranged on the inner side of the second oil suction opening. A heating module is installed at the bottom of the oil tank and below the corrugated board device. The oil path is prolonged through the combined structure of the corrugated board and the honeycomb board, and the functions of defoaming, sedimentation and flow stabilization are integrated; the corrugated board device can be integrally lifted out and completely disassembled, and is convenient to maintain; and the flow guide baffle inhibits oil impact, and the reliability of the lubricating system and the oil cleanliness are remarkably improved.

A lubricant pump comprising a pump base having an upper wall, a reservoir housing mounted on the pump base, the reservoir housing and the upper wall defining a wet portion of the lubricant pump, a first pump element at least partially disposed in the wet portion, a first heating element disposed in the wet portion to be exposed to lubricant, the first heating element disposed between the first pump element and the upper wall, and a thermal switch disposed in the pump base and in a dry portion of the lubricant pump, the thermal switch electrically connected to the first heating element and configured to control activation and deactivation of the first heating element, a plug mounted to the upper wall and fluidly separating the wet portion within which the lubricant is disposed and the dry portion, and a power line extending between the thermal switch and the first heating element, the power line extending through a wire bore in the plug..

Aspects of the present invention relate to a control system (100) comprising one or more controllers (105), the control system comprising input means (130) to receive a temperature signal (135) indicative of a temperature of a transmission (160) associated with a traction electric machine (150) of a vehicle, output means (140) to output a control signal (145) for causing a fluidic communication of thermal energy from a heat source to a transmission heat exchanger (190) for heating the transmission, and processing means (110) arranged to control the output means to output the control signal in dependence on the temperature signal.