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14results about "Engine levels" patented technology

Lubricant recovery system for heat exchange system and heat exchange system

A lubricant recovery system for a heat exchange system, and a heat exchange system. The heat exchange system includes a compressor, a condenser, an expansion device and an evaporator connected in sequence to form a loop, and further includes a reservoir for storing lubricant and in communication with the compressor, and the lubricant recovery system includes: a first flow path disposed between a suction chamber of the compressor and the reservoir, and having a first pump and a first filter, wherein the first pump is configured to pump a part of the lubricant in the suction chamber to the reservoir, and the first filter is disposed upstream of the first pump for filtering the lubricant; and / or a second flow path disposed between the evaporator and the suction chamber, and having a second pump and a second filter.
Owner:CARRIER CORP

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

Method for calculating evaporation amount of lubricant, calculation device, and program

PendingEP4722504A1Engine levelsMaterial testing goods
This method for calculating the evaporation amount of a lubricant within a mechanical device to the exterior includes: a calculation step in which the evaporation amount of the lubricant is calculated using a calculation formula defined so as to include a container shape parameter defined by modeling the configuration within the machine device as a container in which the lubricant is accommodated, a physical property parameter of the lubricant, an environmental parameter from the area around the lubricant, and a parameter regarding time; and an output step in which the evaporation amount calculated in the calculation step is output.
Owner:NSK LTD

Engine oil consumption and condition monitoring

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.
Owner:CATERPILLAR ENERGY SOLUTIONS

Method for calculating evaporation amount of lubricant, calculation device, and program

PendingCN121219484AEngine levelsMaterial testing goodsThermodynamicsMechanics
A method for calculating the amount of evaporation of a lubricant inside a mechanical device to the outside, the method comprising: a calculation step for calculating the amount of evaporation of the lubricant using a calculation formula defined by parameters including a container shape parameter, a physical property parameter of the lubricant, an environmental parameter around the lubricant, and a time parameter, the container shape parameter is specified by modeling a structure in the mechanical device into a container for accommodating the lubricant; and an output step for outputting the evaporation amount calculated in the calculation step.
Owner:NSK LTD

Oil level sensor cover and engine comprising same

ActiveEP4269760B1Engine levelsOilsumps
An oil level sensor cover according to an embodiment of the present invention may be mounted below an engine oil pan to protect an oil level sensor that measures an oil level. The oil level sensor cover may be formed with plates of predetermined sizes, including an upper surface and a lower surface opposite to the upper surface, wherein a plurality of seating portions and a plurality of hook are formed on the upper surface. An engine according to another embodiment of the present invention comprises the above-described oil level sensor cover according to an embodiment of the present invention, an engine oil fan, and an oil level sensor mounted below the engine oil fan to measure the oil level. The oil level sensor cover can be separated from or coupled to the oil level sensor without the use of a separate tool.
Owner:HD HYUNDAI INFRACORE CO 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

Oil field underground pipe column anti-falling device

ActiveCN121853950Areduce your weightEnhance upward thrustValve arrangementsEngine levelsUpper jointOil separation
The invention discloses an oil field underground pipe column anti-falling device, and relates to the technical field of anti-falling tools, the oil field underground pipe column anti-falling device comprises an upper joint, and a self-lubricating assembly used for guaranteeing the smooth rolling effect of a centralizing ball is arranged in a counterweight steel block and a lower joint. According to the oil field underground pipe column anti-falling device, a weightlessness sensor on an outer cylinder is in linkage with an electromagnetic valve to be opened, lubricating oil in a liquid cavity in a balance weight steel block is guided into a telescopic liquid storage pipe, the self weight of the balance weight steel block is effectively reduced, the elastic potential energy of a balance weight spring is increased in a disguised mode, and the upward pushing force of the balance weight steel block is enhanced; through switching of the adjustable power pump between low power and medium power, the stirring piece sealing plate in the liquid passing channel is driven to stir in a reciprocating mode, the flowing speed of lubricating oil is increased on the premise that a main injection opening of an oil distribution branch is not closed, the lubricating operation on the centralizing ball is efficiently completed, the friction force between the centralizing ball and a counter weight steel block caulking groove is remarkably reduced, and the service life of the centralizing ball is prolonged. And the blockage of the counterweight steel block in the ascending process is avoided.
Owner:JINHU COUNTY ZHIDIAN PETROLEUM TECH CO LTD

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 consumption detection using oil level and machine tilt

PCT designated stageWO2026059689A1Internal-combustion engine testingEngine levelsMachineInternal combustion engine
A system for detecting oil consumption includes an internal combustion engine (30), an oil container (14) configured to receive oil (16), oil in the oil container having an oil level, an oil level sensor (18) configured to output a signal indicative of the oil level, and a tilt sensor (24) configured to output a signal indicative of an inclination of the oil container. The system further includes a controller (22) configured to receive the signal indicative of the oil level from the oil level sensor (18), receive the signal indicative of the inclination of the oil container from the tilt sensor (24), determine an oil consumption rate of the internal combustion engine (30) based on the signal from the oil level sensor (18) and based on the signal from the tilt sensor (24), and determine a service interval for the internal combustion engine (30) according to the oil consumption rate.
Owner:CATERPILLAR INC

Engine lubrication oil consumption and condition monitoring

ActiveEP3964703B1Engine temperatureInternal-combustion engine testing
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).
Owner:CATERPILLAR ENERGY SOLUTIONS

Lubricant delivery apparatus

ActiveEP4217638B1Valve arrangementsEngine levels
A lubricant delivery apparatus for installation on a device that includes a moving component that is actuated by an actuating fluid from an actuating fluid source is disclosed. The apparatus includes a lubricant supply reservoir and a pump operably coupled to the reservoir for receiving a pre-determined amount of lubricant from the reservoir and for discharging the pre-determined amount of lubricant from the apparatus. The apparatus has a non-actuated state, wherein the predetermined amount of lubricant is disposed within the pump and an actuated state wherein the predetermined amount of lubricant is discharged from the pump. While the apparatus is installed on the device, the pump is operably coupled to the actuating fluid source such that actuation of the moving component is with effect that the apparatus transitions from the non-actuated state to the actuated state such that the predetermined amount of lubricant is delivered to the moving component.
Owner:LUBECORE INT INC

Remote gearbox lubricant level gauge system for rotorcraft

An aircraft is described and includes an aircraft body, a gearbox housing containing a lubricant, and a remote gearbox lubricant level gauging (RGLLG) system including a light source that when activated illuminates an interior of the gearbox housing; at least one light tube for transmitting light from inside the gearbox housing to an observer end of the RGLLG system, and at least one indicator at the observer end of for indicating a level of the lubricant contained within the gearbox based on the light transmitted via the at least one light tube.
Owner:TEXTRON INNOVATIONS INC

Oil condition estimation device and oil condition estimation method

PendingCN121185844AEngine pressureEngine levelsInternal combustion engineLiquid level sensor
An oil condition estimation device (30) includes: a first acquisition unit (321) that acquires, from a pressure sensor (12) provided on a bottom surface (B) of an oil pan (10) of an internal combustion engine, a pressure (P) of oil (E) stored in the oil pan (10); a second acquisition unit (322) that acquires a distance (H) between the bottom surface (B) and the liquid level (T) of the oil (E) from a liquid level sensor (13) provided in the oil pan (10); and a calculation unit (324) that calculates the density (rho) of the oil (E) on the basis of the pressure (P) and the distance (H).
Owner:ISUZU MOTORS LTD