Abstract: A generator of air/oil mist includes an accumulation chamber for a mist of particles of oil in air, and equipped with a first mist outlet and a nebulizer feeding into the accumulation chamber, the nebulizer including a first nozzle supplied with pressurised air, which features at least a first channel supplied with the pressurised air, each channel being equipped with an outlet on a surface of the first nozzle partially defining a first chamber axially symmetrical with respect to an axis, the channels being positioned to generate a rotation of the air fed into the first chamber around the said axis, the surface of the first nozzle featuring a section converging towards an outlet hole, the nebulizer featuring a second nozzle supplied with oil and feeding out into the first chamber so that the oil is suctioned via the second nozzle because of the air flowing through the first chamber.

Abstract: A linear compressor includes a cylinder that defines a compression space of a refrigerant and has a cylindrical shape, and a piston disposed in the cylinder and reciprocating along an axis of the cylinder. The cylinder includes a gas inlet formed on an outer circumferential surface of the cylinder, a supply port radially passing through the cylinder and communicating with the gas inlet, and a recess communicating with the supply port and formed on an inner circumferential surface of the cylinder. An angle formed by an axial cross section of the recess and a straight line extending the supply port and an angle formed by the axial cross section of the recess and a straight line extending the inner circumferential surface of the cylinder each are an acute angle.

Abstract: A bearing assembly includes a first locating bearing and a second locating bearing configured to be mounted on a shaft. The first locating bearing includes a two-part outer ring formed from a radially inward outer ring and a radially outward outer ring, and a diameter of the inward outer ring is smaller than a diameter of the outward outer ring.

Abstract: The present invention relates to a method of increasing the safety of a power plant provided with at least one heat engine and a gearbox (BTP), the engine driving the gearbox (BTP), the gearbox (BTP) having a lubrication system implemented using an aqueous medium stored in a reserve, in which method a fluid comprising water is injected into the heat engine to increase the power developed by the heat engine without increasing the temperature of a member of the heat engine or to decrease the temperature without modifying the power developed by the engine, the fluid being taken from the reserve.

Abstract: A lubrication system for a gas turbine engine is disclosed. The lubrication system is configured to provide pressurized air and lubricant to a bearing sump of the gas turbine engine to cool and lubricate a bearing included in the bearing sump.

Abstract: A carbon seal assembly may comprise a seal support, a seal housing coupled to the seal support, and a carbon seal adjacent an aft portion of the seal housing. The carbon seal may comprise a nose defined by an axial surface of the carbon seal, a first radial surface of the carbon seal, and a second radial surface of the carbon seal radially inward of the first radial surface. The first radial surface and the second radial surface may extend forward from the axial surface. A first axial length of the first radial surface may be greater than a second axial length of the second radial surface.

Abstract: A gearbox comprising an input shaft fixed with a first gear, an output shaft fixed with a second gear, and a rim gear without a web or hub rotatably mounted on a shaft having a hollow space. A lubrication line extends from within the shaft to a lubrication space disposed between an inner surface of the rim gear and an outer surface of the shaft. The rim gear is held in place on the shaft by a first interior surface of a first chamber member and a second interior surface of a second chamber member.

Abstract: A bearing system includes bearing unit and a lubrication system. The bearing unit includes an outer race, a plurality of internal rotating components, and an inner race. The lubrication system includes an injector for delivering a stream of lubrication to the plurality of rotating components to withdraw heat generated and lubricate the bearing unit during operation of the bearing system.

Abstract: An exhaust gas turbocharger (10) including a turbine section (14), a compressor section (12), a bearing housing (16) disposed between an fluidly connected to the turbine section (14) and the compressor section (12), and an oil flow means connected to the bearing housing (16) for controlling and metering oil flow to the bearing assembly (42).

Abstract: A turbomachine including a turbine shaft supported by at least one bearing, at least one enclosure, housing the bearing of the turbine shaft, an oil cooling circuit of the enclosure including at least one jet configured to inject oil from the cooling circuit into the enclosure, and a regulator configured to regulate the flow of oil in the cooling circuit as a function of an oil temperature at output of the enclosure and a pressure difference at the level of the jet.

Abstract: A cooling device for an internal combustion engine including: an ebullient cooling system in which a refrigerant cools the internal combustion engine by boiling in the internal combustion engine, and a rankine cycle system including a superheater that superheats the refrigerant discharged from the internal combustion engine, a turbine to which the refrigerant discharged from the superheat is supplied, and a condenser that condenses the refrigerant discharged from the turbine; wherein the rankine cycle system includes a supply path that supplies a liquid-phase refrigerant discharged from the condenser to a shaft part of the turbine, and a first supply part of the condenser to which the refrigerant discharged from the turbine is supplied is arranged higher than the shaft part of the turbine in a gravity direction.

Abstract: The present invention relates to a method of increasing the safety of a power plant provided with at least one heat engine and a gearbox (BTP), the engine driving the gearbox (BTP), the gearbox (BTP) having a lubrication system implemented using an aqueous medium stored in a reserve, in which method a fluid comprising water is injected into the heat engine to increase the power developed by the heat engine without increasing the temperature of a member of the heat engine or to decrease the temperature without modifying the power developed by the engine, the fluid being taken from the reserve.

Abstract: A spring guide for use in a seal housing including a first body portion, a second body portion, and a flange portion, including a flange width, extending circumferentially between the first body portion and the second body portion. The flange width being less than or equal to approximately 2.1 millimeters.

Abstract: The method for the lubrication of glass forming molds (3a,3b) with at least a nozzle (2) spraying a lubricating media in the molds comprises at least the following steps: displacement of a nozzle from a resting position to a working position into said mold (3a, 3b); movement of said nozzle in said mold while spraying with said nozzle a lubricating media to lubricate the inner surface of said mold; —) application of vacuum at least during the spraying step to evacuate emissions; —) once the mold has been lubricated, displacement of the nozzle in a resting position allowing the loading of a gob in said mold; —) circulation the lubrication media in the nozzle before and after the lubrication step to avoid stagnant lubrication media remaining in the nozzle and/or ensure constant mixing of solid particles in said media.

Abstract: A bearing device includes a rolling bearing having an outer ring and an inner ring, an outer ring spacer disposed adjacent to the outer ring, and an inner spacer disposed adjacent the inner ring. The outer ring and the outer ring spacer are fitted to a housing, and the inner ring and the inner ring spacer are fitted to a rotary shaft. The outer ring spacer is provided with a nozzle, which is configured to inject a cooling fluid (R) toward an outer circumferential surface of the inner ring, and is inclined so that an injection port thereof is inclined forwardly in a rotation direction of the inner ring. An inclination angle ? of the nozzle with respect to an axial direction is set to a value within a range from 50° to 90°.

Abstract: A spindle-bearing protecting device for protecting a bearing that supports a spindle so as to be rotatable, includes: a rotating part positioned further to an outer side in an axial direction than the bearing, and having a rotor blade configured to rotate along with the spindle; a supply part configured to supply coolant or lubricant between the rotor blade and the bearing; a detection unit configured to detect abnormality of the bearing; and a control unit configured to control a supply of the coolant or the lubricant by the supply part and a revolution speed of the spindle, in a case where the detection unit detects abnormality of the bearing.

Abstract: A spring guide for use in a seal housing including a first body portion, a second body portion, and a flange portion, including a flange width, extending circumferentially between the first body portion and the second body portion. The flange width being less than or equal to approximately 2.1 millimeters.

Abstract: A dual circuit lubrication device for lubricating a mechanical system, the lubrication device being provided with two independent lubrication circuits and a tank that is common to both lubrication circuits and that contains a lubrication liquid. A first lubrication circuit has two first suction points for sucking in the lubrication liquid and situated inside the tank, and a second lubrication circuit includes a second suction point for sucking in the lubrication liquid and situated inside the tank. The dual circuit lubrication device has means for detecting the lubrication liquid passing below a limit depth in the tank, which means are formed by a high first suction point situated at the level of the limit depth, the second suction point being situated below the limit depth, and a low first suction point being below the second suction point.

Abstract: A lubrication system includes an additive and a delivery system. During normal operational conditions, the lubricating oil circulating in the transmission system is collected and contained in a secondary oil reservoir to retain a quantity of the lubricating oil for use in an oil-out condition. When an oil-out condition is detected, the additive is injected and mixed with the collected lubricating oil in the secondary oil reservoir or dispersed directly into a power transmission gearbox housing to enhance the characteristics of the lubricating oil and increases the operational time period of the power transmission gearbox during an oil-out condition.

Abstract: A rolling bearing apparatus includes: a bearing portion with an inner ring, an outer ring, balls, and a cage; and a lubrication unit provided adjacently to an annular space formed between the inner ring and the outer ring. The lubrication unit apparatus includes a pump that supplies a lubricant to the annular space and a tank in which a lubricant is stored. The pump has a housing portion filled with the lubricant and a driving portion that drives the lubricant in the housing portion to discharge the lubricant into the annular space. In order to detect insufficiency of the lubricant, the lubrication unit further includes a sensor provided in the pump and having an output that changes according to an amount of the lubricant in the housing portion.

Abstract: A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to form a lubricant mist. A device is included for directly connecting the lubrication mist generating unit to the equipment at a position adjacent the surface to be lubricated.

Abstract: A lubricant system is disclosed, in particular for the supply of lubricant to a user in a gas turbine aircraft engine. The system includes a lubricant reservoir, where in the lubricant reservoir a lubricant can be set in rotation by at least one rotatable drum that is integrated into the lubricant reservoir or by at least one rotatable blade that is integrated into the lubricant reservoir, such that the lubricant, as a result of centrifugal force, comes into contact against a rotationally symmetrical wall of the lubricant reservoir, and from there can be transported toward a user. A drive system is included for the or each rotatable drum or the or each rotatable blade of the lubricant reservoir. At least one rotating lubricant separator is provided for the venting of the lubricant. The or each lubricant separator can be driven by the drive system of the or of each rotatable drum and/or of the or of each rotatable blade of the lubricant reservoir.

Abstract: A vehicle having a power generating device and a power transfer device. The power transfer device includes a plurality of gears in a housing within which the plurality of gears rotate. The plurality of gears include a first gear and a second gear, the first gear meshing with the second gear. The housing has a lubrication passage. The housing also has a lubrication slot and/or a spray nozzle in fluid communication with the lubrication passage. The lubrication slot and/or spray nozzle direct the fluid flowing therethrough toward where the first gear and second gear mesh.

Abstract: A lubrication apparatus for a four-stroke engine that prevents lubrication failure from occurring around the crankshaft and reliably prevents oil from remaining in a valve operating chamber includes: an intake part positioned below the level of an oil A in an oil reservoir even if the oil reservoir is tilted and the level of the oil A changes; an oil feeding passageway that sucks up the oil A from the intake part and supplies the oil A to the crank chamber; and an direct passageway that allows communication between a valve operating chamber and a crank chamber when a negative pressure is created in the crank chamber. Open end parts of the oil feeding passageway and the direct passageway which are open in the crank chamber are provided to open as the piston moves from a position near the top dead center to the top dead center.

Abstract: A lubrication system includes an additive and a delivery system. During normal operational conditions, the lubricating oil circulating in the transmission system is collected and contained in a secondary oil reservoir to retain a quantity of the lubricating oil for use in an oil-out condition. When an oil-out condition is detected, the additive is injected and mixed with the collected lubricating oil in the secondary oil reservoir or dispersed directly into a power transmission gearbox housing to enhance the characteristics of the lubricating oil and increases the operational time period of the power transmission gearbox during an oil-out condition.

Abstract: Divider device for a flow of lubricant carried by a gas, typically air, comprising a distribution barrel (4) having an end face (5) into which run longitudinal distribution channels (6, 7) communicating with outlet orifices (8, 10) and a connection piece (18) mounted upstream of the distribution barrel (4) and comprising a hollow body with a bore (20) through which the flow of lubricant and gas can pass. The bore (20) of the connection piece (18) has a localized throttling region (26) of reduced cross section followed by a region (22) of enlarged cross section, and there is a gap defining a chamber (25) between the connection piece and the distribution barrel.

Abstract: An oil supply system for a gearbox in a gas turbine engine includes a holding container which holds a quantity of oil to be delivered to a pump. The holding container includes a flexible barrier.

Abstract: The present invention relates to an installation for the in-line lubrication of rolling cylinders (1), preferably for hot rolling of a metal strip, which is preferably steel, by spraying or atomizing a lubricant over a target comprising said cylinders and/or said strip, preferably in the vicinity of the roll gap, by means of a bar (2) of controllable air sprays (3), arranged in parallel to said cylinders (1) and supplied with compressed air or inert gas (4), wherein each spray (3) comprises an inlet for the compressed air or inert gas (4) and an inlet for uncompressed pure oil (5) in an adapter (6) followed by a mixing chamber (6?) as well as an outlet nozzle (7) for the atomized mixture.

Abstract: A lubricant scoop is disclosed herein. The lubricant scoop comprises an annular body encircling a central axis. The annular body is operable to rotate about the central axis in a first direction. The lubricant scoop also comprises a plurality of lubricant passageways defined in the annular body. Each of the plurality of passageways extends radially inward toward the central axis from respective entry ports to respective exit ports. The lubricant scoop also comprises an entry plenum defined in the annular body. The entry plenum is upstream of and fluidly communicates with each of the plurality of passageways. The entry plenum has an upstream opening operable to receive lubricant from a lubricant spray nozzle.

Abstract: By using the same liquid for cooling and lubricating a feed shaft, a simpler structure is obtained, thereby allowing easier maintenance. A feed shaft that is rotatably supported at one end thereof moves a slide of a machine tool. The feed shaft is supported by a support member via a bearing. A pipe is fitted to the feed shaft, and a pathway space is provided allowing the reciprocal flow of the cooling/lubricating liquid in the axial direction. Some of the cooling/lubricating liquid supplied via the support member to the feed space passes through the pathway space as cooling liquid, cools the feed shaft, and is held in a discharge space. At the same time, some of the cooling/lubricating liquid flows, as lubricating liquid, into the bearing, is discharged, and is held in a discharge space. The cooling/lubricating liquid in the discharge space that has absorbed the heat of the structure is immediately discharged out of the support member.

Abstract: By incorporating a pump for sucking and discharging lubricating oil in a tank for storing the lubricating oil on an outside of a rolling bearing, for example, on a spacer for an outer ring in a housing for accommodating the rolling bearing and a nozzle in which an lubricating oil outlet communicating with a discharging port of the pump to supply the lubricating oil discharged from the pump to the rolling bearing is opened in an annular-shaped space between a fixed ring and a rolling ring in the rolling bearing, a cost is reduced by using a general-purpose rolling bearing, and at the same time, external devices and pipes for a lubrication are not required wholly or partially and problems of a noise made by compressed air are eliminated.

Abstract: In a housing 13, an air discharge hole 41 and a suction pipe 51 are arranged vertically in parallel and are located outward with respect to a bearing 12 that supports a vertical main spindle 11. A communication hole 43 connects between a space formed below the bearing 12 and an intermediate portion of the air discharge hole 41 in a height direction. A bottom end of the air discharge hole 41 and that of the suction pipe 51 communicate with an oil reservoir 45. Lubricant in the oil reservoir 45 is sucked through the suction pipe 51 and is recovered at a position outside the housing 13.

Abstract: A system and method for lubricating components where the lubricant is applied in mist form within a substantially enclosed cavity. The cavity contains a draining aperture which collects excess lubricant for subsequent re-use by the system. The cavity is defined by a spray head that includes a base having attached thereto a cover plate with an opening adapted to receive therethrough a component to be lubricated. The cavity and lubrication chamber prevents the escape of excess lubricant. The collection and reuse of excess lubricant provides a closed loop system that reduces lubricant waste.

Abstract: A rotatable member (40) such as a sprocket is rotatably mounted on a fixed shaft member (32), and a first oil passage (72) extending in a radial direction is formed by a thrust member (36) abutting an axial end surface of the rotating member. The inner end of the first oil passage communicates with a radial bearing interface (A) of the rotatable member, and an oil jet ejected from an orifice (68) of an oil nozzle (66) is directed to an open outer end of the first lubricating oil passage. Because the first oil passage is fixed in position, the radial bearing interface receives an adequate supply of lubricating oil fed from the oil nozzle. The other axial end of the rotating member may be provided with a second lubricating oil passage (82) which also extends in a radial direction, the second lubricating oil passage having an open outer end and an open inner end communicating with the radial bearing interface.

Abstract: flow control arrangement for controlling the flow of lubricant discharged from a bearing includes a flow control member locatable, in use, adjacent to the bearing. The flow control member defines a generally radially outer edge and is rotatable to direct lubricant discharged onto the flow control member radially outwardly towards the outer edge for ejection therefrom.

Abstract: A method of providing a standby lubrication for an engine in the event of the failure of a main lubrication system of this engine, in which the failure is detected and, in response to the detection of this failure, at least one portion of a fuel fluid of the engine is tapped off to lubricate at least one element of the engine. A standby lubrication device includes a device for detecting a failure of a main lubrication system, a device for tapping off at least a portion of a fuel fluid of the engine in order to direct it to at least one element of the engine intended to be lubricated, and a controller connected to the tapping and detection devices, in order to carry out the standby lubrication method.

Abstract: An oil-spraying apparatus includes: a base frame provided with a guide rail on an upper surface thereof; a mounting plate movably mounted on the guide rail by a rail block; a moving unit mounted at one side of the base frame so as to reciprocate the mounting plate on the base frame; and an oil-spraying unit mounted on an upper portion of the mounting plate, receiving compressed air and oil respectively from an air compressor and an oil distributor connected to an oil tank through an oil hose and an air hose. The apparatus can spray the oil to both the oil seal mounting hole and the one end portion of the crankshaft.

Abstract: A method for lubricating a metal workpiece during a metalworking process includes delivering supercritical carbon dioxide to the workpiece during the metalworking process. The supercritical carbon dioxide acts as a lubricant, coolant, chip evacuator, and/or carrier for another lubricant or corrosion inhibitor.

Abstract: A device for spray lubrication of a wind turbine transmission is provided. The device includes a transmission enclosed by a housing, a first oil spray unit and a second oil spray unit. Both of the oil spray units are arranged in the interior of the housing. The first oil spray unit is embodied to spray oil at a first temperature in the interior of the transmission housing, while the second oil spray unit is embodied to spray oil at a second temperature in the interior of the transmission housing, wherein the first and the second temperature differ from each other.

Abstract: A shaft (1a-d) is provided that is rotatably mounted by a journal (2) in a housing (4) in which lubricant mist is provided. One or several outward-extending ribs (6) extend between the journal and shaft sections (5a, 5b) adjacent to the journal. The shaft is mounted by the journal in the housing using a rolling bearing (3) that is lubricated exclusively by the lubricant mist. At least one of the ribs associated with the journal extends at a certain angle of attack (11, 12) to the axis of rotation of the shaft and is used as a blade for conveying the lubricant mist into the rolling bearing.

Abstract: Divider device for a flow of lubricant carried by a gas, typically air, comprising a distribution barrel (4) having an end face (5) into which run longitudinal distribution channels (6, 7) communicating with outlet orifices (8, 10) and a connection piece (18) mounted upstream of the distribution barrel (4) and comprising a hollow body with a bore (20) through which the flow of lubricant and gas can pass. The bore (20) of the connection piece (18) has a localized throttling region (26) of reduced cross section followed by a region (22) of enlarged cross section, and there is a gap defining a chamber (25) between the connection piece and the distribution barrel.

Abstract: The present invention is to provide a machine tool in which appropriate warm-up operation can be performed. Unnecessary warm-up operation before machining is not carried out and damage of bearings caused by the warm-up operation is prevented. A controlling unit stores data of a supply amount of lubricant to bearings and a rotation speed of a main spindle in a memory unit as time-series data. When rotation of the main spindle is started, the time-series data stored in the memory unit is used to calculate an amount of remaining lubricant in the bearings and determination of necessity of warm-up operation is made based upon the stored data. A rotation speed at a start-up time of the main spindle is controlled according to the determination result.

Abstract: The present invention provides a free vortex air-oil separator that may be used in systems for separating oil from air oil mixtures. The free vortex air-oil separator comprises a free vortex chamber having a first chamber wall, a second chamber wall located axially aft from the first chamber wall and a rim located in a radially outer region from an axis of rotation, a plurality of vent holes in the rim and a cavity formed by the first and second chamber walls, and the rim, wherein a free vortex is created when there is a flow into the cavity through the plurality of vent holes.

Abstract: A lubrication system for a small lightweight four-stroke engine is disclosed. The lubrication system, provided with a weight at one end of a flexible oil tube inserted into an oil reservoir, is capable of providing a sufficient lubrication to components of the engine which may operate in a horizontal posture, a vertical posture, or any posture therebetween.

Abstract: A lubrication system for a component is disclosed herein. The disclosed lubrication system can be applied relatively high temperature operating environments, relatively low temperature operating environments, or both. The lubrication system includes a tank operable to contain lubricant and having at least one tank outlet. The lubrication system also includes a tube extending between first and second ends. The first end of the tube is in fluid communication with at least one tank outlet. The lubrication system also includes an atomizer in fluid communication with the second end of the tube to receive lubricant from the tank. The atomizer is operable to dispense atomized lubricant on the component. The tank, the tube, and the atomizer are all adjacent to the component. A method for practicing the invention is also disclosed.

Abstract: A minimal lubrication device including a storage reservoir for a lubricant fluid and a pump for the lubricant, the pump being of high pressure type with its delivery port connected to at least one modular element adapted to mix a compressed air flow with the lubricant. The modular element presenting a mixer element fed with a compressed air flow into which an outlet of a flow regulator fed by the lubricant originating from the pump opens.

Abstract: A portable hand-held lubricant atomizing device includes an inlet for receiving pressurized gas from a pressurized gas source. A flow control mechanism is associated with the inlet for controlling delivery of the pressurized gas. A lubricant tank includes a wire pulling lubricant. An atomizing chamber is provided in where a lubricant spray is produced using the wire pulling lubricant and pressurized gas. An outlet downstream of the atomizing chamber is sized to deliver the lubricant spray to an inner surface of an outer conduit.

Abstract: The machine tool lubrication device comprises connection means grippable automatically by a manipulator of the machine tool, lubricant dispensing means, and dispensing control means operable by the machine tool.

Abstract: The present invention relates to an installation for the in-line lubrication of rolling cylinders (1), preferably for hot rolling of a metal strip, which is preferably steel, by spraying or atomising a lubricant over a target comprising said cylinders and/or said strip, preferably in the vicinity of the roll gap, by means of a bar (2) of controllable air sprays (3), arranged in parallel to said cylinders (1) and supplied with compressed air or inert gas (4), wherein each spray (3) comprises an inlet for the compressed air or inert gas (4) and an inlet for uncompressed pure oil (5) in an adapter (6) followed by a mixing chamber (6?) as well as an outlet nozzle (7) for the atomised mixture.

Abstract: A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to form a lubricant mist. A device is included for directly connecting the lubrication mist generating unit to the equipment at a position adjacent the surface to be lubricated.