41results about "Engine viscosity" patented technology

A system that facilitates device and / or machinery diagnostics, prognostics and control by way of condition sensing, such as sensing the condition of the device and / or a fluid of the device (e.g., fluid health indicators). The system can employ a plurality of sensors to determine a current state and estimate a future state of the fluid and / or device, as well as providing control of the device, e.g., in order to increase the remaining useful life of the fluid and / or operation of the device. The sensors can communicate wirelessly with each other, with the device, and / or with a central control system that provides, e.g., sensor fusion, prognostics and control integration. In addition, the sensors can be powered locally based upon the physical or chemical properties of the environment.

In order for the viscosity of the engine oil to be determined as directly as possible, particularly in the case of a motor vehicle with hydraulic control of the gas exchange valves, provision is made for a time period which a hydraulic component, in particular a solenoid valve, requires to move from a first position to a second position to be used as a measure of the viscosity. In particular, an electrical control signal for the solenoid valve is evaluated in the process. An additional sensor arrangement is not required. The determined viscosity is preferably actively used for controlling the gas exchange valves.

The invention discloses an online safety early warning system for a phase adjusting machine oil liquid system. The online safety early warning system comprises online monitoring equipment, a workflowengine, a management server, industrial patrol inspection equipment and a communication device. The workflow engine is used for establishing a workflow model, defining roles and realizing flow controlby adopting a flow controller. The online monitoring equipment is used for extracting partial oil samples from an oil liquid system for detection, and acquiring monitoring parameters. The managementserver processes the monitoring parameters collected by the online monitoring equipment according to the preset workflow model and stores original monitoring parameters and processed results into a lubricating oil ledger database, a lubricating oil base database, a lubricating oil comparison database, a lubricating oil evaluation database and an expert diagnosis database. By means of the online safety early warning system, visual intelligent safety pre-control can be carried out on lubricating oil from the four aspects of iron spectrum, viscosity, water and temperature, the operation and maintenance cost of industrial equipment of a factory is reduced, the production efficiency is improved, and serious lubricating failure and mechanical failure are avoided.

Various methods for inferring oil viscosity and / or oil viscosity index in an internal combustion engine are provided. In one example, a new control method comprises cranking the engine during a start mode with an electric motor connected to a substantially constant source of electrical power, inferring engine oil viscosity based at least on engine oil temperature and speed of the engine while being cranked by the electric motor during the start mode, and correcting an operating parameter of the engine based on the inferred engine oil viscosity.

A device for supplying lubricant to a lubrication point in a machine, a tunnel boring machine, for example, includes a lubrication pump unit and a control unit. The lubrication pump unit is configured to supply a quantity of the lubricant to the lubrication point, and the control unit is configured to regulate the quantity of lubricant based on a sensor measurement signal. The sensor measurement signal may be based on a temperature measured in a region of the lubrication point, a pressure measured in a region of the lubrication point, a measured viscosity of the lubricant, a measured dielectricity of the lubricant, a measured water content of the lubricant, a vibration intensity measured at a part of the machine, or a measured rotational speed of a part of the machine.

A fluid monitoring and management device that includes a housing with a fluid passageway. The fluid monitoring and management device further includes a fluid property sensor with a sensing element in the fluid passageway. A valve is in the fluid passageway of the fluid monitoring and management device. A removable bottle mount is aligned with the valve to be selectively in fluid communication with the fluid passageway.

Various embodiments of the invention include a system having: at least one computing device at least one computing device configured to monitor a lubrication oil by performing actions including: determining an initial ideal remaining life for the lubrication oil; determining a temperature-based remaining life for the lubrication oil based upon a temperature measurement of the lubrication oil; calculating a contamination factor of the lubrication oil based upon a non-particle count sample of the lubrication oil; determining an updated ideal life remaining for the lubrication oil based upon the contamination factor, the initial ideal remaining life, and the temperature-based remaining life; and determining an actual life remaining for the lubrication oil based upon the updated ideal life remaining and an actual life lost for the lubrication oil.

The invention provides an equipment lubricating oil monitoring method and device and system. The equipment lubricating oil monitoring method comprises the steps that lubricating oil information is obtained, and the lubricating oil information includes lubricating oil parameters and device identification; lubricating oil performance is determined based on the lubricating oil parameters and pre-stored lubricating oil indicators; and if the lubricating oil performance is determined to satisfy a lubricating oil replacement condition, a lubricating oil replacement instruction is sent to a user terminal corresponding to the device identification. According to the equipment lubricating oil monitoring method and device and system, the problems of the equipment failure caused by untimely replacement of lubricating oil and the waste of resources caused by premature replacement of the lubricating oil are avoided.

Various methods for inferring oil viscosity and / or oil viscosity index in an internal combustion engine are provided. In one example, a new control method comprises cranking the engine during a start mode with an electric motor connected to a substantially constant source of electrical power, inferring engine oil viscosity based at least on engine oil temperature and speed of the engine while being cranked by the electric motor during the start mode, and correcting an operating parameter of the engine based on the inferred engine oil viscosity.

A viscosity sensor for, e.g., outputting a signal representing the viscosity of engine oil has one or more piezoelectric diaphragms disposed in a fluid chamber of a housing. An elongated amplification channel is formed in the housing and extends away from the chamber. The diaphragm can be excited to induce fluid movement that in turn induces the diaphragm to output a sensor signal representative of the viscosity of the fluid.

A diagnostic system for a lubrication circuit of an internal combustion engine of a vehicle. The system includes a viscometer for detecting the viscosity of a lubricating liquid of the lubrication circuit, a temperature sensor for detecting the temperature of the lubricating liquid, and a control unit to acquire the state of the lubricating liquid, given by the viscosity detected for a given lubricating liquid condition, which includes the lubricating liquid temperature and the date of last replacement of the lubricating liquid, and for a given condition of use of the engine, and to assess the state of the lubricating liquid by comparing the detected viscosity of the lubricating liquid with the viscosity reference values stored in the database in the same or similar condition of lubricating liquid temperature, date of last replacement of the lubricating liquid and use of the engine.

The invention relates to a novel wear monitoring method for a transmission lubrication system of a military aero-engine, which comprises the following steps of determining sensitive parameters of loss efficiency and configuration parameters of detection equipment by monitoring and researching the whole wear failure process of a transmission lubrication system of a typical active-service aero-engine, and establishing wear state initial judgment based on an abrasive particle ferrography quantized value. According to a comprehensive fault diagnosis method combining abrasive particle image special identification and spectral analysis, rapid fault detection and fault diagnosis of the transmission lubrication system of the military aero-engine can be realized, and the use safety of the military aero-engine is guaranteed.

A fluid monitoring and management device that includes a housing with a fluid passageway. The fluid monitoring and management device further includes a fluid property sensor with a sensing element in the fluid passageway. A valve is in the fluid passageway of the fluid monitoring and management device. A removable bottle mount is aligned with the valve to be selectively in fluid communication with the fluid passageway.

A computer implemented method system and apparatus for determining remaining life of engine oil in an engine includes generating reference engine profile data by determining reference engine parameters of a reference engine; determining reference engine oil lubrication data based on mechanical testing of an oil sample from the reference engine; generating a reference model by associating the reference engine profile data with the reference engine oil lubrication data; receiving the reference model at an engine apparatus; measuring engine parameters relating to operation conditions of an engine of the engine apparatus; and determining remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.

The invention relates to the field of aeronautical propulsion, and more particularly an on-board drainage reservoir of an aircraft engine, the on-board reservoir including a first compartment with a first intake passage for receiving fluid drained from the engine, a first closeable emptying passage, and a first quality sensor assembly for detecting at least one quality parameter of the fluid drained from the engine.

A method for operating an internal combustion engine wherein the internal combustion engine to be operated is supplied with lubricating oil via an oil circuit. A measurement value of a total base number and / or a measurement value of the viscosity of the lubricating oil currently used in the oil circuit for the lubrication is detected. Dependent on the established measurement value of the total base number and / or dependent on the established measurement value of the viscosity an exchange oil quantity for the oil circuit is determined. Currently used lubricating oil to an extent corresponding tothe exchange oil quantity is removed from the oil circuit. New lubricating oil to an extent corresponding to the exchange oil quantity is supplied to the oil circuit.

Various methods for inferring oil viscosity and / or oil viscosity index in an internal combustion engine are provided. In one aspect, a new control method comprises: after engine shutdown, learning engine oil viscosity based on time to drain the oil back into an engine sump and oil temperature during the draining, and correcting an engine operating parameter based on the learned oil viscosity.

The invention relates to the field of aeronautical propulsion, and more specifically to an emptying and monitoring device and method for emptying and monitoring a fluid drained from an aircraft engine. The emptying and monitoring device comprises at least one first intake passage for receiving, directly from the aircraft, fluid drained from the engine, and a first quality sensor assembly for detecting at least one quality parameter of the fluid drained from the engine, having been admitted through the first intake passage.

Various methods for inferring oil viscosity and / or oil viscosity index in an internal combustion engine are provided. In one example, a new control method comprises cranking the engine during a start mode with an electric motor connected to a substantially constant source of electrical power, inferring engine oil viscosity based at least on engine oil temperature and speed of the engine while being cranked by the electric motor during the start mode, and correcting an operating parameter of the engine based on the inferred engine oil viscosity.

A controller sets a target hydraulic pressure from a required hydraulic pressure of a hydraulically operated device according to an operating condition of an engine. The controller causes an oil control valve to perform feedback control of the discharge amount of an oil pump in such a manner that an actual hydraulic pressure detected by a hydraulic pressure sensor coincides with the target hydraulic pressure. The controller executes feedback control after executing fixed duty control of setting a duty ratio of the oil control valve to a fixed duty ratio for a predetermined period of time from start of the engine.

An oil circulation system is configured to supply lubrication oil to a plunger pump. The oil circulation system includes an oil tank, and the oil tank is provided with an electric heater. The oil circulation system further includes: a main circulation circuit. Two ends of the main circulation circuit are configured to respectively communicate with an oil outlet and an oil inlet of the oil tank, and the main circulation circuit is provided with a power member, and an overflow valve, disposed on the main circulation circuit and located on an oil outflow side of the power member.

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.

The invention relates to the technical field of oil purification equipment, discloses an intelligent oil purification equipment system integrated with a multi-modal sensor, and solves the problem of poor use effect of existing oil purification equipment. The device comprises a particle counter, a viscometer, a dielectric constant sensor, a spectrum analyzer, an oil-water separator, an oil storage tank I, an oil pump I, a filter, a heat exchanger, a circulating water cooler, an oil storage tank II, an oil pump II and a controller, the particle counter, the viscometer, the dielectric constant sensor, the spectrum analyzer, the oil-water separator, the oil storage tank I, the oil pump I, the filter, the heat exchanger, the oil storage tank II and the oil pump II are connected in series through an oil pipe I; the heat exchanger is connected with the circulating water cooler through two water pipes; by means of the oil purifying equipment, various parameters of lubricating oil can be detected, the lubricating oil can be filtered without shutdown, and the filtering efficiency is improved.

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 diagnostic system for a lubrication circuit of an internal combustion engine of a vehicle. The system includes a viscometer for detecting the viscosity of a lubricating liquid of the lubrication circuit, a temperature sensor for detecting the temperature of the lubricating liquid, and a control unit to acquire the state of the lubricating liquid, given by the viscosity detected for a given lubricating liquid condition, which includes the lubricating liquid temperature and the date of last replacement of the lubricating liquid, and for a given condition of use of the engine, and to assess the state of the lubricating liquid by comparing the detected viscosity of the lubricating liquid with the viscosity reference values stored in the database in the same or similar condition of lubricating liquid temperature, date of last replacement of the lubricating liquid and use of the engine.

The invention discloses a multi-stage flywheel body oiling machine. The multi-stage flywheel body oiling machine comprises a transmission box, an oiling rod component, a conveying belt mechanism, a machine frame and an oil tank component. The multi-stage flywheel body oiling machine is characterized in that an electric heating and temperature control device is installed on the oil tank component, and a heat insulation layer is additionally arranged, so that the viscosity of an injected lubricant is reduced, the problem that the fluidity is poor due to the fact that the aperture of an oiling rod and the aperture of an injection head of the oiling rod are small is solved, and accordingly the adaptability and the oiling quality of the multi-stage flywheel body oiling machine are improved.

An oil blending system for a marine diesel two-stroke engine and / or generator comprising a blender having at least one inlet for receiving lubricating oil and at least one other ingredient and for mixing The lubricating oil composition is output to at least one outlet of the engine or generator. The blender controller is configured to receive parametric data regarding the current state of lubricating oil used in the engine or generator and to receive parametric data regarding the current engine and / or generator state. The blender controller is also configured to automatically determine whether the currently used lubricating oil is within predetermined parameters based on the current engine and / or generator state. If the current lubricating oil is outside a predetermined parameter threshold, the blender controller is configured to determine a new lubricating oil composition for the engine or generator.

This drain plug (47) of a filter cartridge (31) of an aircraft circuit configured to circulate a fluid (25), characterized in that it comprises a measuring device (61) configured to measure at least one parameter of the fluid (25) circulating in the filter cartridge (31). Figure for the abstract: Fig. 3

This drain plug (47) of a filter cartridge (31) of an aircraft circuit configured to circulate a fluid (25), characterized in that it comprises a measuring device (61) configured to measure at least one parameter of the fluid (25) circulating in the filter cartridge (31).