12results about "Engine pressure" patented technology

A computer-implemented method, when executed by data processing hardware, causes the data processing hardware to perform an operation. The operations include collecting lubrication data for a crankshaft start-up phase of a vehicle engine via a health monitoring application, determining a pressure rise difference in oil pressure between a measured pressure and an estimated pressure during the crankshaft start-up phase, determining, via the health monitoring application, whether the measured pressure deviates from the estimated pressure during the crankshaft start-up phase, and generating an alert based on the measured pressure deviating from the estimated pressure during the crankshaft start-up phase.

The lubricant filter system can have a first lubricant filter having a first inlet and a first outlet; a second lubricant filter having a second inlet and a second outlet; an inlet conduit; a first inlet branch fluidly connecting the inlet conduit to the first inlet; a second inlet branch fluidly connecting the inlet conduit to the second inlet; an outlet conduit; a first outlet branch fluidly connecting the first outlet to the outlet conduit; a second outlet branch fluidly connecting the second outlet to the outlet conduit; a bypass conduit fluidly connecting the inlet conduit to the outlet conduit; and a bypass valve controlling fluid passage through the bypass conduit.

This application relates to the field of oil and gas devices, systems, and methods, and particularly relates to a packing leakage detection system and method. The packing leakage detection system includes a plunger pump, a pressure sensor and a control system, where the pressure sensor is configured to detect a pressure value inside a hydraulic end of the plunger pump, and send the detected pressure value to the control system; and the control system is configured to acquire the pressure value sent by the pressure sensor, and send prompt information according to the pressure value, where the prompt information includes at least one of alarm information and information for prompting shutdown and overhaul. This application is used for solving the problem that a leakage anomaly caused by a packing failure is not discovered in time.

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 computer-implemented method when executed by data processing hardware causes the data processing hardware to perform operations. The operations include collecting, via a health monitoring application, lubrication data at a crank phase of an engine of a vehicle, determining, at the crank phase, a pressure rise difference in oil pressure between a measured pressure and an estimated pressure, determining, via the health monitoring application, whether the measured pressure deviates from the estimated pressure at the crank phase, and generating, based on the measured pressure deviating from the estimated pressure at the crank phase, an alert.

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 discloses a closed-loop circulating lubricating system for a rotating pair of a die-casting machine, which is characterized by comprising a lubricating pump, an oil storage tank, an oil supply pipeline, an oil return pipeline and sealing assemblies, and the sealing assemblies are arranged at two ends of a fit clearance between a large lock shaft and a large lock shaft steel sleeve of the die-casting machine; the large lock shaft and the large lock shaft steel sleeve jointly define a closed lubricating cavity, an oil inlet and an oil return opening which are communicated with the lubricating cavity are formed in the large lock shaft steel sleeve, an outlet of the lubricating pump is communicated with the oil inlet through an oil supply pipeline, and the oil return opening is communicated with the oil storage tank through an oil return pipeline. The oil storage tank is communicated with an inlet of the lubricating pump to form a closed-loop circulation loop; the device has the advantages that the forced circulation, recovery, purification and reutilization of the lubricating medium can be realized, so that the lubricating cost of an enterprise is greatly reduced, the flowing lubricating medium can be utilized to take away friction heat, the lubricating reliability of a key rotating pair is remarkably improved, and the service life of the key rotating pair is remarkably prolonged.

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 embodiment of the invention provides a sliding block lubricating grease control system and a detection method thereof. The sliding block lubricating grease control system comprises a sliding rail, a sliding block, a lubricating grease collecting piece, a lubricating grease detection assembly, a pressure sensor and a control system. The sliding block is slidably assembled on the sliding rail, the lubricating grease collecting piece is arranged on the sliding block to collect lubricating grease overflowing in the sliding process, the lubricating grease detecting assembly is used for detecting the storage amount of the lubricating grease on the collecting piece, and the pressure sensor is arranged on the sliding block to detect the lubricating grease pressure of the matched portion of the sliding block and the sliding rail. The control system is electrically connected with the lubricating grease detection assembly and the pressure sensor, receives a detection signal and controls the lubricating grease supply assembly to supply grease, real-time accurate monitoring and automatic control of the state of the lubricating grease are achieved, the situation that residual lubricating grease interferes with detection is avoided, the lubricating reliability is improved, the system adapts to a high-frequency reciprocating motion scene, and the maintenance cost is reduced.

A computer-implemented procedure, when executed by the data processing hardware, causes that hardware to perform operations. These operations include acquiring lubrication data using a condition monitoring application during a cranking phase of a vehicle engine, detecting a difference in the rise of oil pressure between a measured pressure and an estimated pressure during the cranking phase, determining, using the condition monitoring application, whether the measured pressure differs from the estimated pressure during the cranking phase, and generating a warning based on the measured pressure differing from the estimated pressure during the cranking phase.

A system (400, Fig. 4) controls an oil circuit (310, Fig. 3) of an electric drive system 208 of a vehicle 1. A first signal is received (906, Fig. 9) which indicates a requested speed (904, Fig. 9) of