225results about "Manual lubrication" patented technology

One aspect of the present disclosure relates to a battery-powered automatic grease gun, which includes: a driving unit including a motor and a gear, configured to provide piston motion to a piston (P); a distribution unit extending from the driving unit and receiving the piston motion, into which the piston is inserted; a grease container assembly coupled to the distribution unit and configured to store grease; and a spray nozzle and a grease nipple, which are a plurality of discharge ports connected to the distribution unit.

The invention relates to the technical field of cross shafts, and discloses an efficient lubricating needle bearing cross shaft which comprises a cross center part, a first oil injection assembly is arranged on the cross center part, a second oil injection assembly is arranged in the cross center part, and the first oil injection assembly comprises an oil injection nozzle. A first oil cavity is formed in the cross-shaped center part, and a first oil injection groove is formed in the cross-shaped center part. According to the efficient lubricating needle bearing cross shaft, a grease gun is used, an oil outlet of the grease gun is tightly pressed on an oil injection nozzle, it is ensured that lubricating oil enters a first oil cavity through the oil injection nozzle under the pressure effect, and a first sealing plate and a first spring move downwards to the position below a communicating hole channel under the pressure effect; and meanwhile, after the second oil cavity is filled with the lubricating oil, the first oil cavity is slowly filled with the lubricating oil, the lubricating oil flows out of the first oil injection groove, and primary oil injection can be achieved.

A lubricating grease filling device relates to the technical field of lubricating grease filling equipment and comprises a grease storage barrel and an oil filling gun, a pump body unit for sucking lubricating grease from the grease storage barrel and pumping the grease is arranged at the top of the grease storage barrel, the oil filling gun is communicated with the pump body unit through an oil conveying pipeline, an oil outlet of the oil filling gun is provided with an oil outlet pipe, and a smearing assembly is arranged at a port of the oil outlet pipe; the smearing assembly comprises a supporting circular plate, a grease storage groove communicating with the oil outlet pipe is formed in the supporting circular plate, a supporting pipe communicating with the grease storage groove is fixedly arranged at the end of the supporting circular plate, the outer wall of the supporting pipe is fixedly sleeved with a fixing cylinder, a first beating plate is arranged in the fixing cylinder, and a first sliding pipe fixedly penetrates through the end of the first beating plate; one end of the first sliding pipe penetrates through the supporting pipe and extends into the grease storage groove, the first sliding pipe is in sliding sealing connection with the supporting pipe, and a plurality of rotating pipes which synchronously rotate are arranged at the end of the supporting circular plate in the circumferential direction. The lubricating grease filling device solves the problem that an existing lubricating grease filling device is poor in smearing area adjustability. And the lubricating grease permeation effect is poor.

The utility model relates to the technical field of grease guns, in particular to a grease gun which comprises a grease gun body, a gear adjusting handle assembly is fixedly installed on one side of the grease gun body and comprises a fixed handle and a movable handle, and one end of the fixed handle is hinged to one end of the movable handle through a concave plate. The fixed handle is fixedly installed on one side of the top end of the oil gun body, one side of the top end of the movable handle is integrally connected with an adjusting plate, a gear adjusting groove is formed in the adjusting plate, and an elastic adjusting button is arranged to penetrate through the gear adjusting groove to enable the movable handle to be hinged to an oil injection rod of the oil gun body. The grease gun can be conveniently used for large-dose grease filling and small-dose grease filling, and the grease filling rod has the advantages that the grease feeding pressure can be adjusted, and the grease feeding dose can be changed.

The utility model provides a holding type grease gun which comprises a barrel body, an end cover and a grip, the end cover is fixedly arranged at one end of the barrel body and provided with a grease outlet channel communicating the inside and the outside of the barrel body, the grip is connected with a grease pushing rod, and the grip moves relative to the end cover when being subjected to holding acting force and pushes media in the grease outlet channel out of the barrel body through the grease pushing rod. The oil pushing rod is connected with an adjusting shaft, the grip is provided with a plurality of positioning parts, the positioning parts are arranged at intervals in the axis direction of the oil pushing rod, and a plurality of adjusting gears with different sliding strokes of the oil pushing rod are formed when the adjusting shaft is locked and matched with different positioning parts. The holding and pressing type grease gun has the advantages that the holding and pressing type grease gun can be operated by one hand, the gear adjusting capacity is achieved, the stroke of the grease pushing rod can be correspondingly adjusted, and the capacity of the holding and pressing type grease gun adapting to different occasions is improved.

The invention discloses a portable automatic mining flame-proof grease gun, and belongs to the technical field of mining mechanical equipment lubricating tools. Comprising a battery cavity, a motor is fixedly connected to the interior of the battery cavity, the output end of the motor penetrates to the left side of the battery cavity and is fixedly connected with a speed reducer, an oil storage cavity is fixedly connected to the upper surface of the battery cavity, and an oil injection mechanism is jointly clamped to the left side of the oil storage cavity and the left side of the speed reducer; the output end of the oil storage cavity is in threaded connection with an angle adjusting disc; according to the portable automatic mining explosion-proof grease gun, through the multi-structure collaborative design, the efficiency and safety of the grease injection operation of mining equipment are greatly improved. From the aspect of operation convenience, the equipment is provided with a lifting handle and a soft cushion, an operator can easily move and stably place the equipment, multiple persons do not need to carry the equipment cooperatively, and the equipment is adaptive to complex and narrow operation space in a mine; and in the automation level, the motor and the speed reducer are combined to realize automatic power transmission.

The utility model belongs to the technical field of grease guns, and particularly relates to a grease pumping device of a grease gun, which comprises a mounting sleeve capable of being arranged in a grease gun barrel, a piston piece slidably arranged in the mounting sleeve and a fixing component used for fixing the mounting sleeve in the grease gun barrel. The piston piece comprises a piston rod arranged in the mounting sleeve and a piston arranged on the piston rod, the piston can be attached to the inner wall of the grease gun barrel, a threaded rod is rotationally arranged in the mounting sleeve, a threaded hole matched with the threaded rod is formed in the piston rod, the threaded rod penetrates through the threaded hole, and a driving end is arranged at the rear end of the threaded rod; the driving end is controlled to rotate to drive the piston rod and the piston to move back and forth along the threaded rod through the threaded rod, the grease pumping device is simple in structure, grease is pumped into the grease gun barrel through a screw transmission structure, and therefore the efficient and labor-saving effects are achieved. And some users with small arm strength can finish the grease pumping work of the grease gun barrel at one time, so that the working efficiency is improved.

The utility model relates to a positioning disc applied to a lining pressure filter screen of a grease lubricating pump, which comprises a lubricating pump main body, an oil cover, a top cover, a positioning disc, a motor and an oil pressing paddle, and aims to directly open the top cover of an oil storage cylinder and pour grease into the oil cover, and drive the oil pressing paddle to rotate through the motor, so that the grease can be filled into the oil storage cylinder. Due to the fact that the positioning disc is provided with the filter screen, impurities in the grease are filtered out through the filter screen, the impurities are kept in the containing groove temporarily, the impurities are prevented from being mixed into the grease, a lubricating system is prevented from breaking down, the friction face of a lubricating part is prevented from being damaged, and the oil outlet pipe is prevented from being blocked by the impurities. And smooth operation of the lubricating pump is ensured.

The utility model relates to the technical field of engine oil pots, and discloses an engine oil pot structure which comprises an engine oil pot body, a spray pipe is connected to a nozzle of the engine oil pot body, a connecting spray pipe is arranged at one end of the spray pipe, a spray head is connected to one end of the connecting spray pipe, and a lantern ring is fixed outside the other end of the connecting spray pipe. Sleeves are fixed to one sides of the outer walls of the spray pipes, one ends of the spray pipes are sleeved with the lantern rings, one ends of the lantern rings are inserted into the sleeves, and fixing mechanisms are connected to the two sides of the lantern rings and the two sides of the sleeves. The lantern ring is arranged at one end of the spray pipe in a sleeving mode, then the lantern ring is fixed through the fixing mechanism, and the connecting spray pipe can be fixed to one end of the spray pipe to be used, so that the total length of the spray pipe can be increased, and engine oil can be conveniently injected into a deep injection opening position.

The utility model provides a lubricating grease filling device for maintenance of electrical equipment, which belongs to the technical field of lubricating grease filling and comprises a filling pipe, an opening is arranged on one side of the filling pipe, a fixing ring is arranged at the opening, a cage body is mounted in the fixing ring, the outer side of the cage body is a curved surface, and one side of the cage body is horizontally attached to the fixing ring to form a closed space. An opening is formed in the side, away from the fixing ring, of the filling pipe, a sealing piece is connected to the opening, a cabin is formed in the sealing piece, first fixing pieces are symmetrically arranged in the cabin, spring telescopic rods are arranged on the first fixing pieces, and penetrating holes are formed in the positions, corresponding to the first fixing pieces, of the side, away from the fixing ring, of the sealing piece; according to the utility model, a user is allowed to adjust the position or the force of the assembly according to actual requirements, so that the assembly is suitable for different types of electrical equipment and different filling environments, the overall structure is compact, all the parts are tightly matched, and unnecessary operation steps and time waste are reduced.

Provided are an ejection device including an insertion portion that is held by an operator and inserted toward a relevant portion in a narrow space, and a method for removing foreign matter adhering to the relevant portion. The insertion portion includes an ejection unit including a fluidic substance ejection port in a distal end portion. A foreign matter removing surface configured to remove foreign matter adhering to the relevant portion by scraping the foreign matter off the relevant portion is located on the distal end portion of the ejection unit.

The utility model discloses oil injection equipment for mechanical equipment, and relates to the technical field of oil injection equipment, the oil injection equipment comprises a nozzle, an oil bottle and a positioning groove, the outer side of a bottle opening is provided with a bottle cap, the outer wall of the bottle cap is provided with a locking sleeve, the upper part of the bottle cap is connected with a spray pipe, one end of the spray pipe is connected with the nozzle, and the other end of the spray pipe is connected with the positioning groove. A pressing piece is movably connected to one side of the upper portion of the bottle cap, a fixing frame is installed on the outer wall of the lower portion of the output pipe, a positioning groove is formed in the bottom end of the fixing frame, a positioning plate is installed on the inner side of the positioning groove, and a filtering box is connected to the lower portion of the positioning plate. After the oil bottle is filled with oil, the bottle opening is clamped into the bottle cap, the locking sleeve is rotated, threads are matched, the locking sleeve is made to move downwards to press the pressing plate inwards, meanwhile, the first reset spring is extruded inwards to deform, the pressing plate drives the clamping block on one side of the movable rod to move into the clamping groove, connection and installation of the oil bottle and the bottle cap are achieved, connection is firm, and the service life of the oil bottle is prolonged. The problem of easy falling is solved.

The invention relates to a large-displacement handheld electric greasing gun and a lubricating pump. The technical problems that a traditional handheld greasing gun is slow in lubricating grease filling and low in lubricating efficiency are solved. Comprising a battery, a grease storage barrel, a driving module, a grease pumping module and a converging block, the driving module comprises a gear motor and a transmission mechanism, the transmission mechanism comprises a worm and gear mechanism and at least two sets of slider-crank mechanisms, each slider-crank mechanism comprises a rotating pair, a connecting rod and a slider, and the rotating pair comprises a rotating crankshaft vertically arranged on the side face of a worm gear; one end of the connecting rod is rotationally assembled on the rotating crankshaft through a sleeve, and the other end is hinged with the slider; the grease pumping module comprises plunger pairs arranged in one-to-one correspondence with the slider-crank mechanisms, each plunger pair comprises a valve body, a plunger valve element and a one-way valve, the one-way valves are arranged at the outlet end of a valve cavity, the sliding blocks are fixedly connected with the plunger valve elements, and the converging block is provided with a main oil duct communicated with the grease injection gun head and branch oil ducts connected with the one-way valves in a one-to-one correspondence mode. And each branch oil duct is communicated with the main oil duct.

The utility model relates to the technical field of mechanical equipment lubrication, and discloses a lubricating grease filling sealing structure which comprises a filling mechanism, and a cleaning mechanism is arranged on the outer side of the filling mechanism. The filling mechanism comprises an oil storage barrel, a push block is movably connected into the oil storage barrel, a conical block is fixedly connected to the left side of the bottom of the push block, a connecting rod is fixedly connected to the right side of the push block, a handle is fixedly connected to the end, away from the push block, of the connecting rod, a barrel nozzle is arranged on the left side of the oil storage barrel, and a connecting ring is fixedly connected to the left side of the barrel nozzle. A connecting frame is arranged on the left side of the connecting ring, a hollow through hole is formed in the left side of the connecting frame, an extension pipe is movably connected into the through hole, and a sealing gasket is fixedly connected to the right side of the extension pipe. According to the lubricating grease filling sealing structure, through threaded connection and the use of the sealing gasket, the sealing ring and the gasket, the sealing performance in the filling process is ensured, leakage of lubricating grease is avoided, and the filling efficiency is improved.

The utility model relates to the technical field of oil injection mechanisms, and discloses a spring sliding sleeve oil injection mechanism which comprises an oil storage barrel, an upper protecting cover is installed at the top end of the oil storage barrel, an adjusting knob is installed at the top of the upper protecting cover, an adjusting valve is arranged in the upper protecting cover, an adjusting groove is formed in the front end of the adjusting valve, and a spring sliding sleeve is arranged in the adjusting groove. An inner conveying pipe is installed in the oil storage cylinder, and an oil inlet is formed in the front end of the top of the inner conveying pipe. By arranging the discharge adjusting structure, an adjusting knob at the top end of the upper protecting cover is rotated during use, so that the adjusting knob rotates at the top of the upper protecting cover to drive an adjusting valve at the bottom of the adjusting knob to rotate outside a rubber ring in the oil storage barrel; an adjusting groove in the front end of the adjusting valve is aligned with an oil inlet in the top of the front end of the inner conveying pipe or an intersecting hole position of the adjusting groove and the oil inlet is adjusted, grease in the grease storage barrel enters the inner conveying pipe through the oil inlet and then is discharged from the bottom of the grease storage barrel, and therefore the discharging and adjusting function is achieved.

The utility model belongs to the technical field of mechanical lubrication, and discloses a part lubricating device for a crawler excavator, which comprises a limiting cylinder, a sealing cover and a piston rod, a storage cylinder is movably connected in the limiting cylinder, and a limiting groove is formed in one side, close to the sealing cover, in the storage cylinder. The side, close to the sealing cover, of the limiting groove is movably connected with a limiting ring in a clamped mode, and two clamping grooves are annularly formed in the middle of the storage barrel. The storage barrel, the limiting ring, the limiting block, the spring, the movable ring, the clamping grooves and other structures are matched, so that the grease utilization rate of the device is high, by rotating the movable ring, the limiting block is not clamped with the clamping groove in the left end, the storage barrel is pulled out leftwards, by reversely rotating the movable ring, the limiting block is clamped with the clamping groove in the right end, and the grease utilization rate is high. Attached grease can be scraped off through a limiting barrel, and the grease utilization rate of the device is high through cooperation of a storage barrel, a limiting ring, a limiting block, a spring, a movable ring, a clamping groove and other structures.

An accessory for distributing a lubricant on a chain (C), of a bicycle or motorcycle, the accessory (10) being connectable with a dispenser (100) of the lubricant such as a syringe, a can or the like. The accessory comprises an inlet (11) for the lubricant designed to be fluidically connected with the dispenser (100), an outlet (12) for the lubricant, a first operative portion (20) designed to be coupled with the dispenser (100) and a second operative portion (30) which comprises lubricant distribution means (40) designed to interact with the chain (C) to be lubricated. The accessory (10) is disposable.

This invention provides a grease atomization device for a grease gun that can smoothly and uniformly spray grease from the grease gun. [Solution] Used to spray atomized grease onto the outer surface of large machine parts, the gun body 10 is provided with a grease outlet pipe 12 and an atomizing nozzle 2 located at its front end. The end of the gun body is connected to a pressure source. A flow divider switch 3 is also provided, which is located on the gun body and is used to divide the pressure source into two. Some of the air pressure flows into the gun body and pressurizes the piston chamber 13 to eject the grease, while the other portion of the air pressure flows into the atomizing nozzle via the hose 32, accelerating the airflow due to a structure in which the hole diameter gradually decreases. By pressurizing the piston chamber and atomizing the grease with airflow, grease can be smoothly and uniformly sprayed from the grease gun 1.

The present application discloses a self-cooling intelligent alarm descender, which relates to the technical field of descenders, comprising a housing, a rotating shaft rotatably mounted in the housing, a rope wound around the rotating shaft, a passage reserved on the housing for the rope to enter and exit, a gear 1 mounted on the rotating shaft, a gear 2 rotatably mounted in the housing, the gear 1 and the gear 2 being meshed with each other, an air intake fan rotatably mounted in the housing, a gear 3 mounted on the air intake fan, the gear 3 and the gear 2 being meshed with each other. The present application has the effect of alleviating heat accumulation in the descender.

This application relates to a quick connector for a dental handpiece and a dental handpiece oil injector, belonging to the field of dental medical devices. Among them, the quick connector for a dental handpiece includes: a connection component, the connection component has a jack for inserting an oil pipe. Along the axis direction of its jack, the connection component is provided with an elastic pressing piece. The elastic pressing piece protrudes and extends towards one side of the connection component to form a cavity with an installation space inside. The locking piece has an installation inner hole, and the installation inner hole has a pressing protrusion protruding inwards. When the elastic pressing piece is inserted into the installation inner hole, the pressing protrusion squeezes the elastic pressing piece, causing the elastic pressing piece to clamp the dental handpiece, thereby connecting the dental handpiece to the connection component; Through the above solution, the quick connection of the dental handpiece on the dental handpiece oil injector can be realized, improving the connection efficiency.

The utility model relates to a grease gun oil inlet nozzle structure and a manual grease gun, the grease gun oil inlet nozzle structure comprises a body, the body comprises an oil inlet end, an oil outlet end and an oil passing channel communicated with the oil inlet end and the oil outlet end, a connecting part is arranged on the side, close to the oil outlet end, of the body, and the connecting part is used for being connected with an oil pumping assembly; the oil passing channel is covered with a filter screen used for blocking sundries. An oil medium entering the grease gun oil inlet nozzle structure is filtered through the filter screen, and the content of impurities in oil can be reduced, so that the purity of oil conveyed into the manual grease gun from the grease gun oil inlet nozzle structure is improved, abrasion to mechanical parts in the manual grease gun can be reduced, the service life of the manual grease gun is prolonged, and the service life of the manual grease gun is prolonged. The flow path of the grease medium of the manual grease gun is optimized, the flow resistance of the grease can be reduced, and the conveying efficiency is improved.

The utility model discloses agricultural machinery maintenance equipment, and belongs to the technical field of agricultural machinery. The device mainly comprises a body. The storage bin is fixed in the main body and used for adding lubricating oil, one side of the interior of the storage bin is slidably connected with a piston plate, and one side of the storage bin communicates with two corrugated pipes; the clamping mechanism is positioned on one side of the main body and is used for clamping the saw blade; the rotary smearing mechanism is located on one side of the clamping mechanism and used for maintaining the saw blade; according to the agricultural machinery maintenance equipment, a first handrail is gradually pushed, at the moment, the first handrail drives a connecting plate to move towards one side through a sliding block, the connecting plate drives a piston plate to move towards one side through a connecting column, and then lubricating oil in a storage bin enters a connecting shaft through a connecting pipe; lubricating oil in the connecting shaft enters the rotating plate and then is in contact with the sponge pad through the through hole to soak the sponge, so that the cotton cloth stained with the lubricating oil is prevented from being manually held, and the phenomenon that the lubricating oil drips is avoided.

The steel gate convenient to overhaul and maintain comprises a gate frame, a gate plate, a screw rod and an internal thread sleeve, an oiling mechanism is arranged on the gate frame, shovel plates are arranged on the front end face and the rear end face of the gate frame, the oiling mechanism comprises a connecting sleeve, an adapter and a butter bottle, the connecting sleeve is detachably installed on the gate frame, and the adapter is detachably installed on the gate frame. The adapter is rotationally connected with the connecting sleeve, the butter bottle is detachably mounted on the adapter, and the front end of the connecting sleeve is provided with oil coating cotton which is in contact connection with the screw rod. According to the utility model, the oiling mechanism is arranged on the gate frame, so that when the screw needs to be maintained, the surface of the screw can be oiled and maintained in the use process of the screw only by turning over the grease bottle upwards and enabling the mouth of the grease bottle to face downwards, the convenience of equipment overhaul is improved, and each part of the oiling mechanism can be independently disassembled and replaced, so that the maintenance cost is reduced. In this way, when maintenance is needed, only defective parts need to be handled in a targeted mode, and overall replacement is not needed.

The utility model discloses an adjustable overflow valve suitable for a grease gun and the grease gun, which comprise a grease gun main body provided with a connector and an overflow valve arranged on the connector, the overflow valve comprises a valve seat provided with an oil inlet, a pressure adjusting piece installed on the valve seat, a valve element arranged in the valve seat and connected with the pressure adjusting piece in a sliding and inserted mode, a ball arranged between the valve element and the oil inlet, and a spring arranged on the valve element in a penetrating and sleeving mode and capable of acting on the ball to block the oil inlet. An oil outlet penetrating through and communicating with the sliding cavity is formed in the valve seat or the pressure adjusting piece. Compared with the prior art, the grease gun has the advantages that through the arrangement of the overflow valve, when the pressure in the grease gun reaches the pressure value set by the overflow valve, the pressure in the grease gun can act on the ball to be far away from the grease inlet, so that the grease inlet, the sliding cavity and the grease outlet in the overflow valve are communicated, and the pressure in the grease gun is released; and the use safety of the grease gun is improved.

The utility model discloses a metal piece contact point position lubricating device which comprises a containing and storing assembly, an oil outlet smearing assembly and an injection assembly, the oil outlet smearing assembly is arranged on the left side of the containing and storing assembly, and the injection assembly is arranged on the top of the containing and storing assembly. The containing storage assembly comprises an oil storage tank, a first piston, a first spring, a handle, a limiting sliding pipe, a connecting rod, a first sliding groove and a first sliding rod. The oil outlet smearing assembly comprises a first blocking plate, a conical rod, a coating sponge and a second sliding rod. The lubricating device for the contact point of the metal piece has the advantages of being capable of being used repeatedly and convenient to smear, and solves the problems that when lubricating oil is smeared, a disposable oil gun is generally used for pouring and smearing the lubricating oil, although maintenance of the contact position of the metal gear piece is facilitated, the whole bottle is easy to pour out in the pouring process, and the service life of the metal gear piece is prolonged. And meanwhile, the disposable use cost is high, and repeated utilization cannot be achieved.

A greases gun includes a body having a barrel in which grease is stored. The barrel has a mount mounted to the top thereof, and a hose is connected to the mount and has a nozzle connected thereto. A lever is pivotably connected to the barrel to pump the degrease out from the nozzle. A connector is connected to the mount and includes a tubular part. A passage is defined through the tubular part. A ball is movably located in the passage and movable between a stop piece located in the passage and a protrusion protruding inward from the passage. A connection portion is formed to the top of the tubular part of the connector. The nozzle is removably connected to the connection portion. The connector provides functions of grease refill and gas release, and also prevents from grease leakage.

The utility model discloses an exhaust valve assembly with an automatic pressure relief function, which comprises an exhaust valve main body, and a pressure limiting pipeline is arranged on the exhaust valve main body in a penetrating manner; the pressure release valve mechanism is adjustably arranged in the exhaust valve main body in a sealing manner and comprises a pressure release valve main body which is detachably arranged on the exhaust valve main body and can be in contact sealing communication connection with the pressure limiting pipeline, and a pressure release pipeline is arranged on the pressure release valve main body in a penetrating manner; the connecting piece is detachably connected to the pressure release valve main body; the pressure relief valve core is movably arranged in the pressure relief valve main body and can be in sealing contact connection with the pressure relief pipeline; and the elastic piece is arranged on the connecting piece and is connected with the pressure release valve core. Pressing force is applied to the pressure relief valve element through the elastic piece, when the air pressure in the grease gun is larger than the pressing force, the elastic piece is compressed upwards, meanwhile, the pressure relief valve element moves upwards, sealing connection with the pressure relief pipeline is separated, and therefore the automatic pressure relief function is achieved.

To provide a lubricating device to a rod of a fitting capable of easily lubricating from outside the fitting even when a face panel (skin plate) is provided on both faces of the rod, which can improve a maintenance property of the fitting, reduce a failure risk of the fitting, and improve a service life of the fitting.SOLUTION: A rod guide 18 provided on the inside of the face panel of the fitting is formed in a lubricating box 19. A lubricating port 21 to the lubricating box 19 faces the outside of the fitting.SELECTED DRAWING: Figure 1

A mobile lubrication pump has a motor for driving the pump for producing a pump pressure, a pressure monitor for measuring the pump pressure, a motor controller for regulating the operation of the motor, and a data processing unit (DPU) for communicating with the motor controller, and for receiving: 1) input from the pressure monitor, and 2) user input related to pump capacity and / or lubrication target. The data processing unit is configured to determine and communicate a motor speed and / or motor torque to the motor controller based on the received input 1) and 2).