A device for outputting a future state of a central lubrication system includes at least one sensor for recording a parameter of the central lubrication system, a processing unit for processing the recorded parameter, determining a current state of the central lubrication system based on the processed parameter, and estimating a future state of the central lubrication system over a certain period of time based on the current state and stored data, and an output unit for outputting the future state of the central lubrication system.

The invention relates to an oil system (7) comprising a pump arrangement (11); a first gallery (13) for providing oil to a first engine site (14); a second gallery (15) for providing oil to a second engine site (16); a second gallery flow control device (25) for controlling flow of oil from the pump arrangement (11) to the second gallery (15); control circuitry (5); a first pressure sensor (27) for sensing the oil pressure in the first gallery (13); and a second pressure sensor (29) for sensing the oil pressure in the second gallery (15). The oil system (7) is controllable between: a first state in which the control circuitry (5) controls the second gallery flow control device (25) to an open state, and controls an oil pressure in the second gallery (15) by controlling the pump arrangement (11); and a second state in which the control circuitry (5) controls an oil pressure in the first gallery (13) by controlling the pump arrangement (11), and controls the oil pressure in the second gallery (15) by controlling the second gallery flow control device (25).

Methods of lubricating fracking valves on a wellhead include mounting a distribution manifold of a grease distribution system on, adjacent to or remotely with respect to the wellhead, the distribution manifold having a plurality of manifold valves; selecting at least one of the fracking valves for lubrication; coupling at least one of the plurality of manifold valves of the grease distribution system to the at least one of the fracking valves; coupling a grease pump to the at least one of the plurality of manifold valves; opening the at least one of the plurality of manifold valves; and distributing grease from the grease pump through the at least one of the plurality of manifold valves to the at least one of the fracking valves by operation of the grease pump.

A system for distributing semisolid lubricant, including a semisolid lubricant tank and a high pressure pumping system that intermittently feeds, during a lubrication cycle, at least one first duct, the at least one first duct feeding a plurality of distributors adapted to sort the semisolid lubricant to a plurality of users; a controlled suction/delivery device, fluidly associated with the first duct, for controlled suction/delivery of a part of the semisolid lubricant conveyed by the first duct. The controlled suction/delivery device configured to suck a volume of semisolid lubricant from the first duct during a step of inactivity of the pumping system on the first duct, and to introduce the previously suctioned semisolid lubricant in the first duct during a step of activity of the pumping system on the first duct.

An automated lubrication system for large industrial use delivering high pressure lubrication from a pumping unit to a manifold for disbursement in metered quantities for maintenance operations synchronized through logic control to regular operations of equipment to prevent or minimize interference.

An oil supply device includes an oil pump and an oil control valve. The oil control valve is connected to a control oil chamber of the oil pump via a control oil passage that includes an oil descent passage and an oil rise passage. One end of the oil descent passage on the control oil chamber side is disposed at a position closer to a bottom of the vehicle than the other end on the oil control valve side. The oil rise passage is disposed at a position closer to the control oil chamber side than the oil descent passage. One end of the oil rise passage on the control oil chamber side is disposed at a position closer to a top of the vehicle than the other end on the oil control valve side.

A continuous supply precision minimum quantity lubrication pump supporting different lubrication conditions, including a pump system, a gas source processor, a driving system, an oil cup, a water pump, a two-position three-way solenoid valve, a water tank and an emulsion storage tank, wherein the processor is connected with the pump system through a bidirectional joint, the oil cup is connected with the pump system through an oil cup joint, the water pump is installed in a driving box body of the driving system and is connected with the pump system through a hose, the water tank and the emulsion storage tank are connected with the two-position three-way solenoid valve, the two-position three-way solenoid valve is connected with the driving system, and the driving system and the water pump are respectively driven by a stepping motor I and a stepping motor II.

A lubricant supported electric motor includes a stator presenting an outer raceway and a rotor extending along an axis and rotatably disposed within the stator. The rotor presents an inner raceway disposed in spaced relationship with said outer raceway to define at least one hydrostatic support chamber disposed therebetween. A lubricant is disposed in the hydrostatic support chamber for supporting the rotor within the stator. A monitoring port is disposed in fluid communication with the at least one hydrostatic support chamber, and a sensor is coupled with the monitoring port for monitoring an operating characteristic of the lubricant disposed in said at least one hydrostatic support chamber. This monitored operating characteristic is then used to determine a real-time operating condition of the lubricant supported electric motor.

The present disclosure relates to a method and an apparatus for liquid condition assessment in a liquid lubrication system for a work system operable in at least two different modes, the method comprising measuring monitored liquid condition data, determining a current operating mode of the work system, then based on the current operating mode, selecting a corresponding model, modeling corresponding simulated liquid condition data based on the model, assessing the liquid condition by comparing the monitored liquid condition data with the simulated liquid condition data, and providing a normally distributed data set for the liquid condition assessment.

A lubricant supported electric motor includes a stator presenting an outer raceway and a rotor extending along an axis and rotatably disposed within the stator. The rotor presents an inner raceway disposed in spaced relationship with said outer raceway to define at least one hydrostatic support chamber disposed therebetween. A lubricant is disposed in the hydrostatic support chamber for supporting the rotor within the stator. A monitoring port is disposed in fluid communication with the at least one hydrostatic support chamber, and a sensor is coupled with the monitoring port for monitoring an operating characteristic of the lubricant disposed in said at least one hydrostatic support chamber. This monitored operating characteristic is then used to determine a real-time operating condition of the lubricant supported electric motor.