256results about "Pressure lubrication" patented technology

The invention discloses an engine oil filter with a spiral spoiler. The engine oil filter comprises a bottom shell, an outer cover is fixedly connected to the bottom shell, a liquid inlet and a liquid outlet are formed in the bottom shell, a check valve is arranged on the liquid inlet, a connecting cylinder is fixedly connected into the liquid outlet, a filter element structure is fixedly connected to the connecting cylinder, and a bypass valve is arranged on the filter element structure; the flow guide assembly comprises a first spiral spoiler, the first spiral spoiler is located between the filter element structure and the outer cover, the first spiral spoiler is rotationally connected to the annular base, the bypass valve is fixedly connected with the annular base through a connecting mechanism, a supporting mechanism is fixedly connected into the outer cover, and a stop mechanism is arranged between the supporting mechanism and the annular base. Impurities of engine oil can be prevented from being gathered at a certain position, the use of a filtering part is more balanced, the durability of the device is improved, meanwhile, oil liquid can flow along the spoiler during operation, and large particles generate centrifugal force, so that the oil liquid is thrown to the wall surface and flows to the bottom along the spoiler, and the blockage degree of the filter element is reduced.

The present invention relates to a drivetrain of a wind turbine and a wind turbine with the drivetrain, wherein the drivetrain comprises at least a gearbox, a generator and a lubrication system. The lubrication system comprises at least a pump unit, a main filter system, a heat exchanger and a distribution unit. A secondary filter system is arranged upstream relative to the distribution unit and downstream relative to the heat exchanger. The first filter system has at least one first filter with a first filtration range and the secondary filter system has at least one second filter with a second filtration range. The first filtration range differs from the second filtration range.

The present disclosure provides an engine oil cooling structure of an engine. In the engine oil cooling structure of an engine, the engine includes a crankcase, the crankcase is provided with an oil filter mounting chamber having a cylindrical shape, the cooling structure includes a water channel, a water inlet of the water channel communicates with a water pump, the crankcase is further provided with a main oil channel, the crankcase is further provided with a heat conducting thin wall, an inner cavity of the heat conducting thin wall form the oil filter mounting chamber, the oil filter mounting chamber communicates with the main oil channel, the water channel is arranged around an outer side wall of the heat conducting thin wall, and a water outlet of the water channel communicates with a cooling water channel arranged in the same direction as and adjacent to the main oil channel.

The utility model relates to the technical field of engines, and discloses an engine oil bubble eliminating device, an external engine oil tank and an engine system.The engine oil bubble eliminating device comprises a bubble eliminating bin body which extends in the first direction, and an oil passing opening is formed in a bottom plate of the bubble eliminating bin body; the first end of the oil return pipe is communicated with the engine body, and the second end is communicated with the inner cavity; in the first direction, the inner wall of the side, deviating from the oil return pipe, of the defoaming bin body is a first arc-shaped inner wall, and the first arc-shaped inner wall sinks towards the side deviating from the oil return pipe. In the working process, engine oil enters from the first end of the oil return pipe and is sprayed out from the second end until the engine oil makes contact with the first arc-shaped inner wall and then continues to flow at a high speed in the extending direction of the first arc-shaped inner wall, so that rotational flow is formed, and a large number of bubbles in the engine oil are eliminated under the action of centrifugal force; and finally, the engine oil flows into the external engine oil tank body through the oil passing port, so that bubbles contained in the engine oil during oil return can be greatly eliminated, and faults such as oil injection of the oil-gas separator are effectively reduced.

To provide a sliding bearing for hardly causing cavitation erosion on the slide surface.SOLUTION: A second half-split bearing has one oil groove and two second inclined face parts on the inner diameter side. The surfaces of the second inclined face parts each include a center region and an edge region. On a boundary between the center region and the edge region, an inflection part is formed. In the center region, a convex curve is formed at the outer diameter side of the second half-split bearing. In the edge region, a convex curve is formed at the inner diameter side. On the surface of the second inclined face part, a plurality of second peripheral grooves are formed neighboring each other. A groove center line is inclined to a vertical line toward a center line passing through the width center of the axial length of the oil groove. A groove inclination angle in the edge region is minimum at the axial end of the second inclined face part, and continuously larger as coming closer to the inflection part. A groove inclination angle in the center region is minimum at a position neighboring the groove end of the second inclined face, and continuously larger as coming closer to the inclination part.SELECTED DRAWING: Figure 7

The present application relates to the field of oil filter, especially to a self-cleaning anti-clogging oil filter and method thereof, comprising: an oil shell, the bottom end of the oil shell is fixedly connected with a bottom plate, a plurality of notches are arranged in an annular array on the bottom plate, a filter cartridge is installed on the bottom plate, a filter core is sleeved on the filter cartridge, a top plate is arranged at the top end of the filter cartridge, and a check valve is arranged at the top end of the top plate, the filter core is blocked, the sealing cover moves downward under the action of oil pressure, the sealing of the filter net barrel is cancelled, the unfiltered oil flows into the filter cartridge through the filter net barrel, the impurities in the oil are filtered, the damage to the engine is avoided, when the engine stops working, the oil pressure decreases, the sealing cover is reset upward under the restoring force of the first spring, the filter net barrel is resealed, and the filtered impurities are sealed between the sealing cover and the filter net barrel, so that the impurities are prevented from falling on the filter core again.

A cooling and / or lubrication system (135) for cooling and / or lubricating thermal consumers of a drive unit (100) of a vehicle (105), comprising a housing (200), characterized in that a lid (240) is sealedly bonded to the housing (200) to form a cooling and / or lubricant tank (205) in the interior (220) of which cooling and / or lubricant can be received. The invention further relates to a drive unit (100) and a vehicle (105).

The utility model discloses an anti-slip filter shell, which comprises a tank body and a cover body, the tank body comprises a cylindrical section with a closed bottom, the upper edge of the cylindrical section is connected with an annular mounting section through an external expansion section, and a concave hemming section is integrally formed at the upper end of the annular mounting section; a locking ring extending upwards is integrally formed on the outer curved surface of the cover body, the locking ring is pressed on the inner side face of the annular mounting section, and the hemming section is pressed on the inner side face of the locking ring after winding around the upper side of the locking ring; due to the fact that the knurls are machined on the outer curved surface of the locking ring, friction force between the locking ring and the annular installation section is greatly increased, relative rotation between the cover body and the tank body is avoided, and the phenomenon that the cover body and the tank body cannot be disassembled or screwed tightly due to slipping in the disassembling and assembling process is avoided. The filter is further provided with a step ring, so that the upper edge of the filter can be protected, and edge warping is prevented.

To provide various methods and systems for a liquid metal bearing assembly.SOLUTION: A liquid metal bearing assembly includes: a fill port fluidly coupled to a liquid metal reservoir of the liquid metal bearing assembly, the fill port including an inlet diameter and an outlet diameter, the outlet diameter smaller than the inlet diameter; and a pin formed to fit the inside of the fill port and prevent liquid metal from leaving the liquid metal reservoir via the fill port.SELECTED DRAWING: Figure 3

An aircraft engine lubrication system (30) for an aircraft engine (20) having a first component and a second component is provided. The system (30) includes a lubricant tank (32), a first pump (36), a second pump (34), and a de-aerator (38). A lubricant tank outlet (54) is in fluid communication with a first pump inlet (64). A first pump outlet (66) is in fluid communication with a second pump inlet (68). A second pump outlet (70) is in fluid communication with a first component inlet (72) and a second component inlet (74). A second component outlet (80) is in fluid communication with a lubricant tank first inlet (52B). A de-aerator gas outlet (60) is in fluid communication with a lubricant tank second inlet (52A). A de-aerator liquid outlet (62) is in fluid communication with the second pump inlet (68).

To provide a lubricating oil cleaning system that can more reliably separate lubricating oil and ammonia water from a stock solution containing ammonia water and lubricating oil. [Solution] The lubricating oil cleaning system 100 can purify raw DO contaminated with ammonia into lubricating oil LO. The lubricating oil cleaning system 100 comprises an engine 200, a lubricating oil cleaner 1 that separates raw DO containing lubricating oil LO used in the engine 200 into a light liquid which is purified lubricating oil LO and a heavy liquid which contains ammonia, a separator inlet line 130 for supplying raw DO to the lubricating oil cleaner 1, and an additive means 135 for adding water W to the raw DO in the separator inlet line 130.

The invention relates to a suction nozzle for arrangement in a liquid container (2), comprising: a suction tube (8), which has an upper opening (27) and a lower opening (28), at least one lateral passage opening (12) and a fastening section (9) in the region of the lower end; a filter screen (14) which laterally surrounds the suction tube (8) and covers the through-hole (12), and a cover (19) which is fitted onto the suction tube (8), closes an upper opening (27) of the suction tube (8), extends laterally at a distance from the suction tube (8), covers the filter screen (14) towards the fastening section (9), and terminates before reaching the fastening section.

Oil or fuel filter device (10) for filtering fuel or oil of an internal combustion engine, comprising a connecting device (14) for connecting a functional component (12) to a filter housing (16), wherein the connecting device (14) comprises: - a guide section (18) of the functional component (12); - a guide section counterpart (20) of the filter housing (16) which can be joined with the guide section (18) in such a way that the guide section (18) is rotatable about an axis of rotation (28) relative to the guide section counterpart (20), wherein the guide section (18) is fixed radially to the axis of rotation (28) relative to the guide section counterpart (20); - a holding device (40) which has corresponding holding components (42, 44, 46) on the functional component (12) and on the filter housing (16) and which can be activated and deactivated by rotating the guide section (18) relative to the guide section counterpart (20) about the axis of rotation (28) and which, in the activated state, fixes the guide section (18) axially to the axis of rotation (28) relative to the guide section counterpart (20); - a snap-action device (50) which has corresponding snap-action components (52, 54) on the functional component (12) and on the filter housing (16) and which can be activated by rotating the guide section (18) about the axis of rotation (28) relative to the guide section counterpart (20) and which, in the activated state, fixes the guide section (18) circumferentially with respect to the axis of rotation (28) relative to the guide section counterpart (20), wherein the holding device (40) and the snap-action device (50) are activated or deactivated in the same rotational positions of the guide section (18) relative to the guide section counterpart (20), wherein the functional component (12) is a sensor, characterized in that the holding device (40) has at least one holding wing (42) extending radially and partially circumferentially with respect to the axis of rotation (28) and at least one holding hook (44, 46),which, in the activated state of the holding device (40), engages the holding wing (42) and fixes it axially to the axis of rotation (28), wherein the holding wing (42) can be rotated in and out of the holding area of ​​the holding hook (44, 46) by rotating the guide section (18) relative to the guide section counterpart (20), wherein the holding wing (42) is arranged on the functional component (12) and the holding hook (44, 46) is arranged on the filter housing (16).

Provided is a rotary joint of an oil supply nozzle capable of preventing leakage of lubricating oil from an end portion and infiltration of rainwater from the end portion. This rotary joint is provided with: a cylindrical body (2); a hollow filler nozzle-side bush (1) fitted to a filler nozzle-side end (2A) of the body (2); and a hollow filler hose-side bush (3) fitted to a filler hose-side end (2B) of the body (2). A rotating body (7) that permits relative rotation between the main body (2) and the oil supply nozzle-side bush (1) and relative rotation between the main body (2) and the oil supply hose-side bush (3); and rotating body accommodating sections (4, 5) that accommodate the rotating body and lubricating oil. A dust seal (9) is provided on the fitting surface of the main body (2) and the filler nozzle-side bush (1) in a region from the location of the rotating body housing section (4) toward the filler nozzle-side end (2A) of the main body (2), and on the fitting surface of the main body (2) and the filler hose-side bush (3) in a region from the location of the rotating body housing section (5) toward the filler hose-side end (2B) of the main body (2).

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.

An engine includes pistons, cylinders, at least one fuel injector, spark plugs, and piston cooling jets. The engine includes an Electronic Control Unit configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit outputs a predicted piston temperature. A method includes housing pistons in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The method includes determining a non-firing piston temperature, coolant temperature modifier, combustion phase modifier, firing piston temperature, outputting a predicted piston temperature, and coordinating operations of the fuel injectors and spark plugs.

A piston 3 comprises a piston head 5, a piston sleeve 6, and an oil flow path 23. The piston sleeve 6 is provided on an underside opposite the piston head 6, and a pin hole 22 is formed along an extension direction that intersects an upward and downward direction in the piston sleeve 6. The oil flow path 23 extends through the piston head 5 and the piston sleeve 6 and has an opening section 31 that is open towards the underside of the piston sleeve 6. A dimension of the opening section 31 along the extension direction of the pin hole 22 is larger than a dimension of the opening section 31 along a width direction that intersects both the upward and downward direction and the extension direction of the pin hole 22.

The invention discloses a method for preventing ice blockage of a suction filter of a high and cold oil pan, and relates to an engine lubricating system.The method comprises the steps that the suction filter is installed at the oil taking end of a low-pressure oil pipe in a sliding sealing mode, and the initial position of the suction filter is located in upper-layer engine oil of the oil pan; when the engine is started, the current environment temperature is obtained, and if the environment temperature is larger than or equal to a set temperature threshold value, the suction filter is controlled to move to the bottom of the oil pan from upper-layer engine oil of the oil pan; if the environment temperature is smaller than the temperature threshold value, an oil pressure establishing mark position in the lubricating system is obtained, if the oil pressure establishing mark position in the lubricating system is obtained, the engine oil temperature is obtained, the movement amount of a suction filter is controlled according to the engine oil temperature till the engine oil temperature is a set normal oil temperature threshold value, and when the engine oil temperature is the set normal oil temperature threshold value, the suction filter is started; the suction filter is located at the bottom of the oil pan. The risk that the suction filter is blocked or frozen by ice is reduced, and the lubricating reliability when the engine is started is guaranteed.

The present invention provides a lubrication structure for an internal combustion engine that ensures the supply of lubricating oil to the valve train sliding members and suppresses the progression of wear as much as possible. [Solution] A lubrication structure 1 for an internal combustion engine comprising a camshaft 4 supported by a camshaft housing 5 and a cam cap 6, a valve member 8 having a valve guide 10 that supports a valve 9 that opens and closes when pressed by a cam portion 4', lubricating oil 3 supplied to the valve member 8, and an oil pump for supplying the lubricating oil 3, wherein an oil passage for supplying the lubricating oil 3 to the valve guide 10 by the oil pump is formed in at least one of the camshaft housing 5 and the cam cap 6, and at least one outlet portion 18 of the oil passage is formed in the side portion 19 parallel to the central axis of the cylinder on at least one of the camshaft housing 5 and the cam cap 6, and the lubricating oil 3 that is scattered from the outlet portion 18 is supplied toward the valve guide 10 so that it is scattered downward below the cam portion 4'.

To provide a technology that enables cooling or lubrication of engine components with a relatively simple configuration. [Solution] A four-stroke engine comprising: a ring gear member supported by a crankcase and having teeth on its inner circumference; a rotating member rotatably supported by a crank pin of the crankshaft and having teeth on its outer circumference that mesh with the teeth of the ring gear member; and a connecting rod having one end pivotably connected to a piston and the other end pivotably connected to a boss portion provided on the rotating member at an eccentric position from the rotation center of the rotating member, wherein the crankcase has a groove portion into which oil is supplied, and the ring gear member covers the groove portion with respect to the inside of the crankcase and has at least one communicating portion that connects the groove portion to the inside of the crankcase.

An engine (11) includes pistons (71), cylinders, at least one fuel injector (61), spark plugs (239), and piston cooling jets (91). The engine (11) includes an Electronic Control Unit (232) configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit (232) is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit (232) outputs a predicted piston temperature. A method includes housing pistons (71) in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The method includes determining a non-firing piston temperature, coolant temperature modifier, combustion phase modifier, firing piston temperature, outputting a predicted piston temperature, and coordinating operations of the fuel injectors (61) and spark plugs (239).

The present application relates to the technical field of filter, and discloses a filter with hard interference fit structure, wherein a filter module is embedded with a closed end of a shell through filter paper glue, instead of a closed end cover, to play a sealing role on the lower end of the filter module, so that the closed end cover and a supporting spring are omitted, the height of the shell is shortened, the oil flow to the area containing the supporting spring is avoided to form a turbulent flow, and the oil resistance is reduced; an open end cover comprises an injection cavity and a matching ring which are integrally and coaxially arranged, the injection cavity is sealed and bonded to the top end of the filter module through filter paper glue; a flange ring is inserted into the inner diameter of the matching ring to play a sealing role on the inner side and the outer side of the filter medium, so that an inner sealing ring is omitted; under the premise of ensuring the function of the filter and the interchangeability of each component part being unchanged, the number of parts is further reduced, the product weight is reduced, the assembly complexity is reduced, the design cost and the manufacturing cost are maximally reduced, so that the design cost and the manufacturing cost are both reduced, and the reliability and the environmental protection are improved.

An internal combustion engine includes a centrifuge, a centrifuge pump, and a controller. The centrifuge is configured to separate foreign particles from a lubricant, wherein the centrifuge is so designed that a lubricant volumetric flow directed into the centrifuge produces and / or maintains a rotational movement of the centrifuge. The centrifuge pump is configured to produce and / or increase the lubricant volumetric flow directed into the centrifuge. A controller is configured to provide control of the centrifuge pump according to a setpoint value for a kinematic operating parameter and / or for a setting parameter of the centrifuge pump. The controller is configured to gradually change the setpoint value for control of the centrifuge pump upon shutdown or starting of the centrifuge pump.

The filtration device (1), acting as a transmission filter, purifies oil drawn into a transmission device using a medium. The housing (2) carries a valve with a dividing body, including an internal partition, to connect the inlet (3) either to a first upstream zone (Z1) for filtration by a first internal medium (M1), or to a second upstream zone (Z1') for filtration by a second internal medium (M2) separate from the first medium. The valve is actively controlled to selectively move a shutter element (7) in an inlet interface (15) according to a parameter typically detected by a sensor. A partition element (2c) of the housing can complement a partition (6c) provided between the media (M1, M2) in a common support structure for an insert or filter assembly. The outlet (4) connects to a downstream zone common to these two media. (Shortcut: Figure 2A)

This utility model discloses an auxiliary filtration device for an oil pump, comprising a housing and a filter assembly disposed inside the housing. A discharge pipe is provided on one side of the housing, and a feed pipe is threadedly connected to the other side of the housing. The bottom and top walls of the housing are respectively provided with snap-fit ​​seats inclined at a 45-degree angle, and each snap-fit ​​seat has a snap-fit ​​groove on its opposite side. A square sealing hole corresponding to the two snap-fit ​​seats is opened on the side wall of the housing. The filter assembly includes a filter plate movably inserted into the two snap-fit ​​grooves. One side of the filter plate is fixed to the bottom end of a pressing plate. A rubber sealing ring adapted to the inner wall of the square sealing hole is provided on the outer wall of the pressing plate, with an interference fit between the outer wall of the rubber sealing ring and the inner wall of the square sealing hole. This utility model can perform secondary impurity removal from the oil and allows for easy disassembly and cleaning of the filter screen and filter plate.

The utility model discloses a reinforced engine oil filter element which comprises a central cylinder and a circular ring cover, folded filter paper is sleeved outside the central cylinder, a plurality of leaking holes are uniformly distributed on the surface of the central cylinder, and first reinforcing ribs extending axially are arranged at the folding corners of the inner side of the folded filter paper. A second reinforcing rib extending in the axial direction is arranged at the folded corner of the outer side of the folded filter paper, a first through hole extending in the axial direction is formed in the first reinforcing rib, a second through hole extending in the axial direction is formed in the second reinforcing rib, and a plurality of third through holes in one-to-one correspondence with the first through holes are formed in the circular ring cover. A plurality of fourth through holes in one-to-one correspondence with the second through holes are formed in the circular ring cover, a first reinforcing rod is inserted into the first through hole, the two ends of the first reinforcing rod are inserted into the third through holes fixed to the two ends, a second reinforcing rod is inserted into the second through hole, and the two ends of the second reinforcing rod are inserted into the fourth through holes fixed to the two ends. The reinforced engine oil filter element is higher in stability.

The present invention relates to a filter material (1) for a filter element comprising a multilayer composite (5) through which a liquid stream (3) flows, the composite having an absorption layer (6) comprising a water-absorbing material for absorbing water bound in the liquid stream (3), a particle filter layer (7) comprising a nonwoven material for separating particles contained in the liquid stream (3), and a support layer (8) for supporting the absorption layer (6) and the particle filter layer (7). The present invention further relates to a filter element comprising such a filter material and to an oil filter comprising at least one such filter element.