Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

37results about "Engine pressure" patented technology

Lubrication health monitoring system

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.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Monitoring the operation of a lubrication apparatus

ActiveEP4299968B1Engine pressureSignal processing
A technique is provided to monitor the operation of a lubrication apparatus (2), which is connected to provide a pulsating flow of lubricant on a lubrication path (4) to a lubrication point (1a) of a machine (1). A monitoring system comprises a pressure sensor (10) configured to provide a pressure signal representing measured fluid pressure in the lubrication path (4), and a calculation arrangement (5) configured to process pressure data in the pressure signal for detection of pulses, and to determine an operating status of the lubrication apparatus (2) based on the detected pulses. The system may be installed with minimum modification of existing lubrication systems and is capable of detecting over- and under-lubrication based on the number of detected pulses, quantifying lubrication per unit time, estimating remaining lubricant in a lubricant supply (3), etc.
Owner:DURABLE DEVICES AB

Lubricant filter system, aircraft engine, and method of operating a lubricant system

ActiveUS12631133B2Valve arrangementsEngine pressureMarine engineeringFilter system
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.
Owner:PRATT & WHITNEY CANADA CORP

Device, system and method for dispensing lubricant

PendingUS20250341278A1Engine pressureSignal processingCouplingControl engineering
Described herein is a modular device for dispensing a lubricant. A first coupling end is attachable to a source of lubrication. A second coupling end is attachable to a lubrication receiver. A control module is arranged between the first coupling end and the second coupling end. The control module includes a flow measuring device in fluid communication between the first end coupling and the second end coupling. The control module is configured to enable dispensing of the lubricant.
Owner:GB IP HLDG PTY LTD

Packing leakage detection system and method

ActiveUS12584477B2Pump testingEngine pressureAlarm messageControl system
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.
Owner:YANTAI JEREH OILFIELD SERVICES GROUP

A fuzzy logic-based ai system for detection and accommodation of oil system failures in the aircraft's propulsion system

PendingEP4667714A1Engine pressureSignal processing
A method for detection and accommodation of oil system failures in the aircraft's propulsion system, using a fuzzy logic-based AI system (FLS), includes identifying, by the FLS, a target oil pressure value (OPV). The method includes receiving, by the FLS, a measured OPV from a sensor associated with the oil system. The method includes generating, by the FLS, a numerical command based on the measured OPV, a linguistic variable, membership functions for each linguistic term within a set of linguistic terms for the linguistic variable, and a set of rules defined in part by the target OPV. The method includes converting, by a controller, the numerical command to a linguistic command from among a set of linguistic commands mapped to a set of control signals, respectively. The method includes outputting, by the controller, to an actuator in the oil system, a control signal mapped to the linguistic command.
Owner:PRATT & WHITNEY CANADA CORP

Wireless drain plug

ActiveEP4463342B1Engine temperatureEngine pressure
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.
Owner:AKTV8 LLC

Oil condition estimation device and oil condition estimation method

ActiveUS20250389214A1Engine pressureEngine levelsInternal combustion engineLiquid level sensor
An oil condition estimation device includes a first acquisition unit that acquires a pressure of oil stored in an oil pan from a pressure sensor provided on a bottom surface of the oil pan of an internal combustion engine, a second acquisition unit that acquires a distance between the bottom surface and a liquid level of oil from a level sensor provided in the oil pan, and a calculation unit that calculates a density of oil on the basis of the pressure and the distance.
Owner:ISUZU MOTORS LTD

Lubrication health monitoring system

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.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

A device, system and method for dispensing lubricant

PendingEP4453465A4Engine pressureSignal processingLubricantPhysics
Described herein is a modular device for dispensing and / or monitoring dispensing of a lubricant. A first coupling end is attachable to a source of lubrication. A second coupling end is attachable to a lubrication receiver. A control module is arranged between the first coupling end and the second coupling end. The control module includes a flow measuring device in fluid communication between the first end coupling and the second end coupling. The control module is configured to enable and / or monitoring dispensing of the lubricant. The modular device is configured to be operated remotely.
Owner:GB IP HLDG PTY LTD

Intelligent lubricating system based on mine red-pot

PendingCN120777460AEngine pressureLubrication elementsThermodynamicsReal-time data
The invention relates to the technical field of mining equipment maintenance, in particular to an intelligent lubrication system based on a mine red, and the system comprises a data acquisition unit which is used for acquiring real-time data of an oil product and an operation condition of mining equipment; the prediction unit is used for calculating an oil film safety margin coefficient according to the real-time data, and predicting a minimum prediction value of the oil film safety margin coefficient in a prediction window based on a short-time prediction model; and the lubrication unit is used for generating an advanced lubrication instruction when the minimum prediction value is smaller than or equal to a preset safety lower limit in the prediction window. When the prediction result shows that the oil film safety margin coefficient is about to be lower than the preset safety lower limit, the system can generate and issue a lubrication instruction in advance, so that the lubrication operation is timely intervened before the oil film fails, and the phenomenon of friction pair boundary lubrication or dry friction caused by lubrication opportunity lag in a traditional fixed period lubrication mode is avoided; therefore, the wear rate is reduced, the service life of equipment is prolonged, and non-planned shutdown is reduced.
Owner:JINING MINING GRP HAINA TECH ELECTROMECHANICAL CO

Lubricating system

ActiveEP4334627B1Engine temperatureEngine pressure
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.
Owner:SKF LUBRICATION SYST GERMANY

Controlling an oil circuit of an electric drive system of a vehicle

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
Owner:JAGUAR LAND ROVER LTD

Oil condition estimation device and oil condition estimation method

PendingJP2026002252AEngine pressureEngine levels
To easily and inexpensively estimate the density of oil.SOLUTION: The oil condition estimation device 30 includes the first acquisition section 321 that acquires the pressure P of the oil E stored in the oil pan 10 from the pressure sensor 12 provided on the bottom surface B of the oil pan 10 of the internal combustion engine, the second acquisition section 322 that acquires the distance H between the bottom surface B and the liquid surface T of the oil E from the level sensor 13 provided in the oil pan 10, and the calculation section 324 that calculates the density ρ of the oil E based on the pressure P and the distance H.SELECTED DRAWING: Figure 1
Owner:ISUZU MOTORS LTD

Lubrication sensor

PendingGB2641797AEngine pressureManual lubricationRadio frequencyLubrication
A lubrication fitting 30 and a grease gun 40 for applying a lubricant to the lubrication fitting of an aircraft assembly, the lubrication fitting has a passive radio frequency identification (RFID) co
Owner:MESSIER DOWTY

Solenoid valve closed-loop control system of engine variable displacement oil pump

ActiveCN121782148Aimprove consistencyImprove fuel economyEngine temperatureEngine pressure
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.
Owner:NANTONG VOCATIONAL COLLEGE

Lubrication sensor

PCT designated stageWO2025257546A1Engine pressureManual lubricationUnique identifierRadio frequency
A system for monitoring an aircraft assembly, the system comprising: a plurality of lubrication fittings, each lubrication fitting comprising a passive radio frequency identification component; and a grease gun comprising an radio frequency identification reader and a processor, wherein the processor is configured to: transmit a first signal to cause the radio frequency identification reader to transmit a radio frequency, RF, signal to the passive radio frequency identification components in the lubrication fittings; receive a unique identifier from the passive radio frequency identification component in the lubrication fittings; and transmit a second signal comprising the unique identifier to a digital system.
Owner:MESSIER DOWTY

Systems and methods for lubricant dilution detection

ActiveEP4314501B1Engine temperatureEngine pressure
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.
Owner:CATERPILLAR INC

Engine oil system for an aircraft propulsion system and method for controlling same

ActiveUS20250361983A1Programme controlEngine temperatureFlight vehicleInlet pressure
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.
Owner:PRATT & WHITNEY CANADA CORP

Lubricating control system and control method of lubricating system

PendingCN121474478AEngine temperatureEngine pressureControl systemGear wheel
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.
Owner:上海中侨职业技术大学

Lubricant filter system, aircraft engine, and method of operating a lubricant system

PendingEP4545758A3Valve arrangementsEngine pressure
The lubricant filter system (50) can have a first lubricant filter (52) having a first inlet (60) and a first outlet (62); a second lubricant filter (54) having a second inlet (64) and a second outlet (66); an inlet conduit (56); a first inlet branch (68) fluidly connecting the inlet conduit (56) to the first inlet (60); a second inlet branch (70) fluidly connecting the inlet conduit (56) to the second inlet (64); an outlet conduit (58); a first outlet branch (72) fluidly connecting the first outlet (62) to the outlet conduit (58); a second outlet branch (74) fluidly connecting the second outlet (66) to the outlet conduit (58); a bypass conduit (76) fluidly connecting the inlet conduit (56) to the outlet conduit (58); and a bypass valve (78) controlling fluid passage through the bypass conduit (76).
Owner:PRATT & WHITNEY CANADA CORP

Closed-loop circulating lubrication system and method for rotation pair of die-casting machine

InactiveCN121611841AEngine pressureEngine sealsThermodynamicsOil intake
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.
Owner:ZHEJIANG BUSINESS TECH INST

Engine oil system for an aircraft propulsion system and method for controlling same

ActiveUS12560280B2Programme controlEngine temperatureInlet pressureControl theory
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.
Owner:PRATT & WHITNEY CANADA CORP

Propulsion unit for a marine vessel

ActiveUS12595038B2Engine temperatureEngine pressureMarine propulsionElectric machinery
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.
Owner:ABB OY

An internal combustion engine with a sensor assembly for detecting pressure in a blow-by recovery circuit

PendingEP4680844A1Engine pressureFluid pressure measurement
There is described an internal combustion engine (1) including: - a crankcase (2) comprising one or more cylinders (CY), - a head (3) arranged atop said crankcase (2) and comprising a flow module (4) and a cam carrier module (5), the cam carrier module (5) being arranged atop said flow module (4), said flow module (4) comprising one or more inlet conduits and one or more exhaust conduits, wherein at least one inlet conduit and at least one exhaust conduit are associated with a respective cylinder (CY), - a blow-by recovery circuit (B1, B2, B3) through which fluid communication is established between the crankcase (2), the flow module (4) and the cam carrier module (5), wherein at least one of said crankcase (2) and cam carrier module (5) comprises at least one access port (8, 9, P2) in fluid communication with said blow-by recovery circuit, a sensor assembly (10; 10') comprising a cap (12; 12') fixed at the access port (8, 9, P2) and including an installation seat (13,; 13') for a pressure sensor (15) within which a reading channel (14) is provided, the reading channel (14) having a first end (A) arranged at the access port (8, 9, P2) and a second end (B) at which the pressure sensor (15) is received, wherein the second end (B) of the reading channel (14) is arranged at a higher geometrical elevation than the first end (A) of the reading channel.
Owner:STELLANTIS EUROPE SPA

Intelligent monitoring and diagnosing system for lubricating system of rotary atomizer

PendingCN121803790AEngine temperatureEngine pressureFailure rateControl engineering
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.
Owner:ANHUI XINCHUANG ENERGY SAVING & ENVIRONMENTAL PROTECTION SCI & TECH

Systems, apparatuses, methods, and computer program products for initiating performance of one or more responsive actions based at least in part on erratic oil pressure data

Systems, apparatuses, methods, and computer program products are provided herein. For example, a method provided herein may include identifying oil pressure data associated with an engine. In some embodiments, the method may include generating adjusted oil pressure data by adjusting the oil pressure data by an engine speed or an ambient pressure. In some embodiments, the method may include generating, by applying the adjusted oil pressure data to an oil pressure residual model, oil pressure residual data indicative of one or more oil pressure residuals. In some embodiments, the method may include generating, by performing a windowing operation on the oil pressure residual data, erratic oil pressure data for a carbon seal associated with the engine. In some embodiments, the method may include initiating performance of one or more responsive actions based at least in part on the erratic oil pressure data.
Owner:HONEYWELL INTERNATIONAL INC

Sliding block lubricating grease control system and detection method thereof

PendingCN121631151AEngine pressureBearing componentsAutomatic controlControl system
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.
Owner:SANY LITHIUM ENERGY CO LTD

LUBRICATION CONDITION MONITORING SYSTEM

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.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Automatic crown block lubricating device for petroleum drilling machine

PendingCN120946921AEngine pressureEngine levelsControl systemWell drilling
The invention relates to an automatic crown block lubricating device for a petroleum drilling machine, comprising: a power unit comprising a plurality of independently controlled lubricating pumps; the oil way distribution system comprises a plurality of oil containing barrels communicating with oil inlets of the lubricating pumps in a one-to-one correspondence mode, a plurality of lubricating branches communicating with oil outlets of the lubricating pumps and leading to corresponding crown block lubricating points, pressure detection units arranged on the lubricating branches and oil level detection units arranged on the oil containing barrels. The electrical control system comprises a PLC control box and a man-machine interaction interface, and the PLC control box is electrically connected with the multiple lubricating pumps so as to control the lubricating pumps to be started and stopped; the PLC control box is electrically connected with the pressure detection unit and the oil level detection unit so as to receive detection signals of the pressure detection unit and the oil level detection unit. The man-machine interaction interface is in communication connection with the PLC control box and used for setting lubricating parameters and displaying the lubricating state. According to the automatic crown block lubricating device for the petroleum drilling machine, full automation of lubricating of the petroleum drilling crown block is achieved, and operation safety and lubricating reliability are greatly improved.
Owner:BEIJING JJC PETROLEUM EQUIP CO LTD