Abstract: A device for reciprocatingly removing and replenishing fluid in circulating system of an hydraulic mechanism that includes at least two processing tanks, at least one air pressure regulator and connector releasably engageable with a pressurized air source, at least one vacuum generator, at least one pressure regulator; and means for removing the fluid from the circulating system at vacuum.

Abstract: A lubrication monitoring arrangement (1) is disclosed configured to monitor a supply of lubricant in a lubrication system (3) of a hand-held cutting tool (5). The arrangement (1) comprises a heating element (13) and a control unit (15). The heating element (13) is arranged to heat a portion (17?, 17?, 17??, 17??) of the lubrication system (3). The control unit (15) is configured to monitor the supply of lubricant in the lubrication system (3) by monitoring the change in temperature of the portion (17?, 17?, 17??, 17??) of the lubrication system (3). The present disclosure further relates to a hand-held cutting tool (5), and a method (100) of monitoring a supply of lubricant in a lubrication system (3) of a hand-held cutting tool (5).

Abstract: When inner diameter side opening portions are projected on an outer circumferential surface of a retainer along extension lines of central lines of radial holes, at least parts of the inner diameter side opening portions of a plurality of radial holes of an outer ring are positioned within an area of two circles formed by connecting each of axial end portions of adjacent pockets of the retainer in an axial direction. When a central line of any one radial hole coincides with a circumferential phase of a center of a ball, any other radial hole is formed such that the projected inner diameter side opening portion is separated from the ball and an inner circumferential surface of the pocket when viewed from the radial direction of the ball bearing, and a central line of the other radial hole overlaps with the pocket when viewed from the axial direction.

Abstract: An air inflow control system for an active grille shutter is disclosed. The air inflow control system includes a frame including at least one housing, a flap including a flap rotary shaft, and a mechanical part adapted to maintain the rotary shaft in the housing when the mechanical part is secured to the frame. The flap rotary shaft may be installed in the housing, the flap may be capable of being placed, by rotation about the rotary shaft, in at least one open position and one closed position. The mechanical part may include an abutment, where the flap may be positioned against the abutment when the flap is placed in the open position.

Abstract: An inkjet print head for generating a droplet of ink includes an ink supply substrate having an ink supply channel; a droplet forming unit arranged on the ink supply substrate; and a manifold chamber formed over an ink inlet surface of the droplet forming unit. The manifold chamber has a first wall formed by the ink inlet surface, a second closed wall formed opposite to the first wall and a side wall extending between the first wall and the second wall and surrounding the manifold chamber. The manifold chamber extends in a manifold plane. A manifold supply channel is arranged in the manifold plane and surrounds the manifold chamber. The ink supply channel is in fluid communication with the manifold supply channel. A number of manifold feed openings in the side wall provide for a fluid connection between the manifold supply channel and the manifold chamber.

Abstract: This grease application device includes: a nozzle body that has a first end portion insertable into an inner spline portion, the inner spline portion being formed at an end portion of a workpiece; a nozzle that is formed on the first end portion of the nozzle body and discharges grease into a groove of the inner spline portion; a nozzle body shift portion that is connected to a second end portion of the nozzle body and that moves the nozzle body in a longitudinal direction, the second end portion being on an opposite side to the first end portion; a grease retention portion that retains the grease discharged from the nozzle; a grease pressure-feed portion that pressure-feeds the grease retained in the grease retention portion to the nozzle; and an operation portion that links an operation of causing the nozzle body shift portion to move the nozzle body from the first end portion toward the second end portion with an operation of causing the grease pressure-feed portion to discharge the grease from the nozzle.

Abstract: Device for depressurizing at least one chamber (E1, E2) of a turbomachine (1) intended to accommodate at least one bearing (7, 8) of a rotor of said turbomachine, which bearing is supplied with lubricating oil under pressure by a feed pump (15) and by an oil feed duct (16), said device comprising at least one breather tube (10) connected to said chamber in order to extract an oil mist therefrom, an oil separator (30) able to separate the oil from the air in said mist and a jet pump (11) pneumatically connected to said chamber by said breather tube and said oil separator, said pump comprising a pump tube (17) into which there open a primary circuit (21) supplied with fluid under pressure via a fluid feed duct and a secondary circuit (22) connected to said oil separator in order to place the chamber under a reduced pressure, characterized in that the primary circuit (21) comprises at least two pressurized-fluid injectors (13, 24) positioned in said tube and fed independently of one another.

Abstract: A method includes providing a bearing housing configured to house a bearing, the bearing housing enclosing a free volume for receiving lubricant, providing a quantity of the lubricant in the free volume, and providing a sensor configured to measure at least one parameter affecting a degradation rate at which the lubricant will degrade and to produce at least one output signal indicative of the measured at least one parameter. The method also includes providing a pump for pumping lubricant into the bearing housing, providing a controller configured to receive the at least one output signal from the sensor and configured to control the pump based the received at least one output signal, and controlling the pump based on a function of the received at least one output signal.

Abstract: There is noticed a lubricating device and the operation method intended for compression lubricating which is consisting of a lid (1) with a lid air chamber (11), which is demountably attached to a casing (2) with the upper casing drain (21) with a sealing ring (12) and next with the lower casing drain (22) with a lock ring (23) and next with the casing oil chamber (24) with lubrication oil (5), which is demountably attached onto the lower cap (3) with a cap drain (32) with cap sealing ring (33) and next with one cap opening (34), to which a hose connection (41) with an outlet oil hose (4) is demountably attached and next with hollow cylinder (31) an oil chamber (35) with flow openings (311).

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 minimal lubrication device including a lubricant fluid storage reservoir and a pump for the lubricant, the pump being a high pressure pump with a delivery side connected to at least one modular element arranged 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 opens of a needle flow regulator fed by the lubricant originating from the pump. The module includes a compensator device which maintains the oil quantity dispensed by the flow regulator constant even if the pressure on the user side changes.

Abstract: There is disclosed a method for cylinder lubrication of large diesel engines, such as marine engines. Injection of lubricating oil is performed via a number of injection units that correspond to a multiple of the cylinder number in the engine. There is desired an efficient distribution of the lubricating oil, not only across the periphery of the cylinder, but also across the travel of the piston in the cylinder in order thereby to reduce the consumption of lubricating oil. This is achieved in that lubricating oil is supplied by a combination of injection of a first part of the lubricating oil directly on a ring area of the cylinder wall before the passage of the piston and an injection of a second part of the lubricating oil directly onto the piston during its passage.

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: Gas turbine engines systems and methods involving oil flow management are provided. In this regard, a oil pressure analysis system for a gas turbine engine is operative to: receive information corresponding to measured oil pressure and rotational speed during a start up of the engine; correlate the information into data sets, each of the data sets containing a measured oil pressure and a corresponding rotational speed; and determine whether the oil flow valve is functioning properly based on the information contained in the data sets.

Abstract: The present invention relates to a lubrication device for gas pressure-driven lubrication of a lubrication point. The device comprises a lubricant container provided at a first end with an outlet opening and is covered at a second end by a combination of a collar and an insert received within the collar and wherein the collar and the insert are relatively rotatable. The device further comprises gas generation means housed within one of the collar or the insert. The insert is provided with a groove having a contact surface forming a mechanical interlock with one or more catches of the collar, and the device comprises a release position of the insert relative to the collar, in which a force required to disengage the mechanical interlock is lower than at non-release positions, so that the insert can be removed to gain access to the gas generation means for separate disposal thereof.

Abstract: There is described a hydraulic lubricating apparatus (252) for dosing cylinder lubricating oil, including a housing which via one or more valves (220) is connected to a source for supplying hydraulic oil (262) and cylinder lubricating oil (not shown), a number of hydraulic cylinders each having a hydraulic piston (6) and which may be pressurized by hydraulic oil. Furthermore, there are a number of injection units (251) corresponding to a multiple of the cylinder (250) number in the engine, and which are connected with each their dosing cylinder by a dosing piston (21). Also, there is provided a distributor plate (7) which at one side is in contact with the dosing pistons (21) and which at its other side is in contact with the hydraulic pistons (6) for displacing the distributor plate for actuating the dosing pistons.

Abstract: The auto/single functions selecting device of a grease gun includes a switch unit connected to the main body of the grease gun. When the user switches the switch unit to the first position, a single shot is available when pulling the trigger one time. When the user switches the switch unit to the second position, the grease is continuously supplied when keep pulling the trigger. The grease gun provides the function of single shot and the function of auto shot.

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 pneumatic grease gun includes a handle, a storage container, a coupling tube and a cylinder assembly. The handle has a grip and a bushing. The grip is located at one side of the bushing. The cylinder assembly has two ends connected respectively to the bushing and coupling tube. The coupling tube holds a feeding tube which has one side communicating with the storage container. The feeding tube has a tubular wall coupled with a protrusive O-ring close to the cylinder assembly. The cylinder assembly includes a feeding rod running through the feeding tube and surrounded by the O-ring to prevent grease held in the storage container from flowing back to the cylinder assembly, thus increases the lifespan thereof. The grip is positioned at an adequate location to save user's effort in holding, hence can better meet use requirements.

Abstract: A valve-type oil feeder comprising a housing, a valving spindle, and a piston. The housing has a valve chamber and a piston chamber, the valve chamber has an oil inlet, a first outlet, and a second outlet; the piston chamber has an oil intake chamber, an oil discharge chamber, and an oil outlet; the oil intake chamber communicates with the second outlet, and the oil discharge chamber communicates with the first outlet and the oil outlet respectively; the valving spindle is arranged in the valve chamber and movable between an original position at which the oil inlet is cut off from the second outlet while the first outlet communicates with the second outlet, and a working position at which the oil inlet communicates with the second outlet while the first outlet is cut off from the second outlet The present invention is applicable to various fluid and semi-fluid media, and applicable to various pressure and viscosity ranges.

Abstract: A device for the application of lubricant onto the running surface of rails for rail vehicles includes at least one dispensing nozzle for issuing out a lubricant, and an air nozzle provided above the dispensing nozzle and aligned to blow out air in a direction of an upper edge of the dispensing nozzle and a railhead. The dispensing nozzle extends upwardly on an outer railhead surface which is distal to a contact surface for a rim of a running wheel of the rail vehicle.

Abstract: A minimal lubrication device including a lubricant fluid storage reservoir and a pump for the lubricant, the pump being a high pressure pump with a delivery side connected to at least one modular element arranged 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 opens of a needle flow regulator fed by the lubricant originating from the pump. The module includes a compensator device which maintains the oil quantity dispensed by the flow regulator constant even if the pressure on the user side changes.

Abstract: A minimal lubrication device including a lubricant fluid storage reservoir, unit for raising the pressure of the lubricant fluid fed to at least one modular element, the modular element includes a lubricant fluid conduit intercepted by a flow regulator, and a compressed air conduit. The lubricant conduit and the compressed air conduit are associated with an air/lubricant mixer element. The flow regulator includes a valving element at least partly housed within a sized hole and movable therein via a control stem. The stem has at least one portion of conical profile having a length equal to at least 3 times the diameter of the sized hole.

Abstract: 1. Release agent spray device for a casting machine. 2.1. The invention relates to a release agent spray device for a casting machine, having one or more spray nozzles (1) and discharge means for the controlled discharge of release agent from the respective spray nozzle. 2.2. According to the invention, the discharge means comprise at least one dosing unit (3) which is assigned to at least one spray nozzle (1) and which defines, in advance, a release agent quantity to be discharged by the at least one associated spray nozzle in an impending spray burst and which provides said release agent quantity, separated from a release agent supply, for discharge in the impending spray burst. 2.3. Use for example for metal pressure-die-casting machines.

Abstract: A pumped oil delivery system for delivering oil to moving parts of an aircraft jet engine includes a scoop delivery pump and an accumulator oil reservoir to maintain oil feed to the pump at all times. The system includes a first line to feed oil from the scoop pump to the oil reservoir, a second line to return oil from the oil reservoir to the scoop pump, and pressurized air for pressurizing the oil within the oil reservoir so as to maintain a continuous feed of oil to the pump. The system includes further lines for delivering oil from the scoop pump to the moving parts and for returning oil from the moving parts to the scoop pump. Moving parts include a self scavenging gear box utilizing the centrifugal pumping action of its gears to return oil to the scoop pump, and self scavenging bearing chambers using centrifugal effects of their rotating parts also to return oil to the scoop pump.

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 invention relates to apparatus and a method for preparing a fine oil mist, in particular to be fed into tool lubrication ducts of a CNC machine tool. The apparatus is turned ON/OFF solely using the standardized machine commands M08 (“Cooling lubricant ON”) and M09 (“Cooling lubricant OFF”). The control/regulation of the tools' aerosol supplies then will be fully automatic. It involves—contrary to known quantitative regulations—a simple regulation by means of aerosol pressure values. When starting the apparatus or following a change of tools, all aerosol pumps are operating, including, where tools exhibit cross-sectionally large boreholes, an oil over-enriching pump. At least one aerosol pump operates when regulated within a range of supply pressures.

Abstract: The Invention relates to a method for protecting a mechanical machine operation by punctually adding the determined quantity of at least one type of additive into said machine consisting in using an additive injection system (G1-G3) which comprises a reservoir containing a determined quantity of additive and a gas generator for expelling said additive from the reservoir to the machine and in actuating the gas generator when said machine operates at least in a critical condition. The mechanical machine provided with the system (G1-G3) for injecting said protective additive is also disclosed.

Abstract: An oiler for supplying lubricant to a pneumatically driven surgical instrument has: a wick chamber; an oil reservoir; and a gas reservoir. The wick chamber is open to the conduit through which gas is supplied to the instrument. A wick is disposed in the wick chamber. An oil-soaked member is disposed in the wick chamber. A lubricant soaked member is disposed in the oil reservoir. The gas reservoir holds a charge of gas. When gas is supplied to the instrument, oil is educed from the wick and oil reservoir and flows with the gas stream to the instrument. Upon the shut off of the gas, the gas charge vents from the of gas reservoir. This gas delivers a charge of oil to the wick. Some of this oil is discharged from the oiler to the supply conduit. This oil lubricates the instrument when it is initially reactuated.

Abstract: The present invention provides a vortex generator that may be used in systems for separating oil from air oil mixtures. The vortex generator comprises a rotating disk having a rim having a plurality of passages extending through it and a cavity formed by the rotating disk and a cavity wall wherein a vortex is created when there is a flow through the plurality of passages into the cavity.

Abstract: A boost valve for a concrete pump lubricating system is provided. The boost valve includes a valve body 1, a valve core 2, and a spring 3. An axial section of the valve core 2 is -shape, and a rear cylinder 22 of the valve core 2 is connected to a check valve 21; a front valve cavity 15 of the valve body 1 is connected to a check valve 13, and an air orifice 12 and a grease distributing orifice 11 are opened in the valve body 1. When a pressure of an outlet is lower than a pressure of an inlet, lubrication grease is discharged from check valves (21, 13); when the pressure of the outlet is higher than that of the inlet, the lubrication grease pushes the valve core 2 to move rightwards, and the lubrication grease in the cavity 15 is pressurized and then discharged from the check valve 13; when the valve core 2 moves rightwards to pass the grease distributing orifice 11, the lubrication grease at.

Abstract: A pneumatic lubricating system for use in an exercising machine is disclosed to include an oil tank with an oil inlet, an air inlet and an oil outlet, an oil filling pipe connected to the oil inlet for the filling of a lubricating oil into the oil tank, an one-way valve installed in the oil inlet for letting an oil lubricating oil be filled into the oil tank, an air pipe connected to the air inlet, an oil distribution tube with nozzle holes for output of a lubricating oil, an oil pipe connected between the oil outlet and the oil distribution tube, and an air pump for pumping air through the air pipe into the oil tank via the air inlet to force storage lubricating oil out of the oil outlet into the oil distribution tube via the pipe for application.

Abstract: A lubricating mixture of a lubricant and air is supplied to a cutting location by a lubricating tool with a spring biased piston dividing a cylinder into an air chamber and a lubricant chamber. The air chamber is connectable to a pressurized air source. The lubricant supply chamber is selectively connectable through a control valve to a lubricant source or to an exchangeable lubricant and air mixing attachment also connected to the pressurized air source. The attachment includes three flow restrictors. Two restrictors feed air and lubricant to a mixing area. One restrictor feeds the mixture to an output. Different sets of restrictors with different flow restricting characteristics provide an exact mixture dosage for satisfying any cutter lubricating requirement. It is merely necessary to replace one attachment by another attachment having different flow restricting characteristics.

Abstract: A method for dispensing lubricants uses a lubricant dispenser that has a lubricant reservoir connected to a housing outlet in a housing, and a gas production region that borders on the lubricant reservoir and accommodates an electrolyte fluid. To start dispensing the lubricant, a galvanic gas production element is introduced into the electrolyte fluid, whereby the lubricant is pressed out of the lubricant reservoir, through the housing outlet, under the pressure of a gas that is produced via electrochemical decomposition of the gas production element. An additional component is introduced into the electrolyte fluid at the same time with the galvanic gas production element, which component is decomposed in the electrolyte fluid during a shorter period of time, with reference to the entire period of operation, with the production of gas, and thereby brings about an increase in the gas production rate, part of the time. A gas production element for carrying out the method is also disclosed.

Abstract: The opening of an oil container 11 for storing oil 12 is sealed airtight with a cover member 32. A one-sided-bag-shaped fluid dynamic pressure bearing 10 is seated on an O-ring 25 and fixed airtight onto the upper surface of a bearing seating 30. Inanexhaust position with the distal end portion of an injection tube 36 positioned away from an oil level, the inside of the oil container 11 is evacuated by a vacuum pump 22 through a suction/exhaust passage including a suction/exhaust through-hole 17, thus turning the inside of the one-sided-bag-shaped fluid dynamic pressure bearing (10) into a vacuum. In this state, a control device drives a moving device to raise the oil container 11 to an injection position and releases the suction/exhaust passage to the atmosphere. This causes the oil 12 to be injected into the one-sided-bag-shaped fluid dynamic pressure bearing 10 through an oil injection passage including the injection tube 36.

Abstract: An auxiliary lubrication system for an aircraft turbine engine includes a reservoir 32 of lubricant 50 and a venturi 42 to suction lubricant out of the reservoir and direct an lubricant mist at a bearing 24 or other component requiring lubrication. The venturi is directly connected to a source of motive fluid, such as pressurized air extracted from an engine flowpath 10, and is continuously driven by the motive fluid. The auxiliary system accommodates a failure or malfunction of the primary, high pressure lubrication system. The auxiliary system operates during normal conditions, when the primary system is fully functional. If the primary system fails, the auxiliary system continues to operate for a limited time, until the lubricant in the reservoir is depleted, to provide an lubricant mist to the component being lubricated. The limited-duration lubricant supply allows the aircraft crew time to carry out actions required to safeguard the aircraft and its occupants.

Abstract: A method for withdrawing liquid from the liquid bearings of a spindle (1) carried in liquid bearings (3, 5) distinguished in that with the help of pressurized gas, the liquid, together with the gas, is forced to exit the spindle during the operation of the spindle via at least one first channel (12), and that when the spindle is shut down, is forced to exit via at least one second channel (13) with a smaller flow-through cross-section than the first channel.

Abstract: A fluid injection apparatus for a bearing includes a bearing support surface for supporting the bearing so that a seal space is defined between the support surface and the bearing, a fluid injection passage comprised of an oil tank, a first conduit connecting the oil tank to the seal space, and an injection valve provided in the conduit, a decompression passage comprised of an oil recovery tank, a second conduit connecting the oil recovery tank to the seal space, a vacuum pump connected to the seal space through the oil recovery tank, and a decompression valve provided in the second conduit, and a sequence control unit for evacuating the bearing by closing the injection valve, opening the decompression valve, and turning on the vacuum pump, and then filling the bearing with lubricating oil by turning off the vacuum pump, closing the decompression valve, and opening the injection valve.

Abstract: A method and apparatus for filling a motor having a fluid dynamic bearing is provided. In one embodiment, a method for filling a motor having a fluid dynamic bearing having at least two passages coupling the bearing to the surrounding environment includes the steps of moving a fluid injection tool into contact with the fluid bearing motor, sealing the fluid injection tool to the fluid bearing motor, and injecting fluid from the fluid injection tool into a first passage coupled to the fluid dynamic bearing. In one embodiment, an apparatus for filling a motor having a fluid dynamic bearing having at least two passages coupling the bearing to the surrounding environment includes a body coupled to an actuator and fluid transfer mechanism. The actuator is adapted to move the body and fluid transfer mechanism is adapted to dispense fluid through a fluid port formed in the body. A seal is coupled to the body and adapted to seal the fluid port to a fluid bearing injection motor during filling.

Abstract: An inline oiler cartridge assembly for a pneumatically powered instrument includes a housing, a first conduit and a second conduit. The housing includes a lower portion removably attached to an upper portion. The lower portion defines an inner cavity and an outer cavity. A source of oil is disposed in the inner cavity. A dry fiber cellulose material is disposed in the outer cavity. The first conduit has a first end for attachment to a source of pressurized air and a second end for attachment to a pneumatically powered instrument. The first conduit passes through a portion of the upper portion of the housing and defines a channel for transmission of the source of pressurized air. The channel is in fluid communication with the inner cavity such that the source of pressurized air draws oil into an air stream for delivery to the pneumatically powered instrument.

Abstract: Oil filling structure of pneumatic tool, including an airflow way formed in the main body for conducting high pressure air into a pneumatic cylinder disposed in the pneumatic tool. An air intake switch is connected with the airflow way for controlling opening/closing of the airflow way. An oil filling hole is disposed in air intake switch. When the switch is positioned in a close position, a lubricant can be filled into the oil filling hole to flow into the airflow way. The high pressure air can entrain the lubricant in the airflow way into the cylinder to lubricate and clean the cylinder.

Abstract: A lubricating system for delivering charges of lubricant and air for aerifying the lubricant to multiple points of lubrication. The system comprises a series of air-operated lubricant injectors each of which is operable in response to delivery thereto of operating air to deliver a charge of lubricant. The injectors are organized in a row in engagement with one another. Each injector has a lubricant passage extending through it, the lubricant passages in the injectors being in end-to-end communication with one another to form a lubricant manifold extending through the row for receiving lubricant and charging the injectors.

Abstract: A rotary feed-through, which contains a hollow shaft, which is supported in a first housing part so that it can rotate, with a first sealing surface and a sealing bushing, which is arranged rotationally fixed within a second housing part and which is coaxial with the hollow shaft, with a second sealing surface for contact to the first sealing surface. In order to also enable lower leakage losses, in addition to less wear, with the supply of cooling lubricants and compressed air, the second housing part contains a first lateral supply channel, which can be attached to a coolant supply line or a compressed air supply line, for the supply of cooling lubricant or compressed air via at least one radial opening of the sealing bushing and a second supply channel, which is charged during the supply of cooling lubricant, for the supply of cooling lubricant to a pressure piston, which closes the rear end of the sealing bushing, to increase the contact pressure of the sealing surfaces.

Abstract: A cutting-oil coater that prevents oil spray from liquefying during conveying and improves the efficiency of work such as oil-refilling by forming a spray feed portion and an oil storage portion separately from each other and making it possible to adjust the arrangement position. A cutting-oil coater includes a spray feed portion, an oil storage portion, an oil feed means for feeding oil to the oil spray feed portion, and a spray conveying passage for conveying the oil spray inside the spray feed portion to the outside of the spray feed portion, wherein the spray feed portion and the oil storage portion are formed separately from each other and can be arranged in different positions respectively, and the arrangement can be adjusted. Thus, the spray feed portion is arranged in the vicinity of the cutting position of a machining tool and the fluid feed unit 11 is arranged at a place where a worker can carry out a work such as oil-refilling.

Abstract: A lubricating system for delivering charges of lubricant and air for aerifying the lubricant to multiple points of lubrication. The system comprises a series of air-operated lubricant injectors each of which is operable in response to delivery thereto of operating air to deliver a charge of lubricant. The injectors are organized in a row in engagement with one another. Each injector has a lubricant passage extending through it, the lubricant passages in the injectors being in end-to-end communication with one another to form a lubricant manifold extending through the row for receiving lubricant and charging the injectors.

Abstract: A method for withdrawing liquid from the liquid bearings of a spindle (1) carried in liquid bearings (3, 5) distinguished in that with the help of pressurised gas, the liquid, together with the gas, is forced to exit the spindle during the operation of the spindle via at least one first channel (12), and that when the spindle is shut down, is forced to exit via at least one second channel (13) with a smaller flow-through cross-section than the first channel.

Abstract: An apparatus and a method for the filling of pressurized lubricant reservoirs such as is found on air oilers and the like. A storage tank of lubricant capable of being pressurized for the delivery of the lubricant to the individual lubricant reservoirs on one or several pieces of machinery or tools. The storage tank is connected with at least a line and a valve to a source of pressurized air that will be used to overcome a threshold pressure required to move the lubricant from the storage tank to the individual lubricant reservoirs. The storage tank may be connected to a piping manifold with valves to isolate lines leading to individual lubricant reservoirs. Check valves may be used as appropriate to prevent backflow of lubricant from an individual lubricant reservoir to the manifold, other commonly connected individual lubricant reservoirs, the storage tank, or the source of pressurized air, such as an air compressor.

Abstract: A lubricator apparatus comprises a tank having a lower portion forming a reservoir for lubricating oil to be combined with compressed air to form a lubricating air-oil mist. The tank bottom has a surface exposed to the lubricating oil in the tank and an air passageway therethrough between an air inlet and an air outlet through which the compressed air is passed before it enters the tank. A solenoid valve is mounted in a heat-transfer relationship to the tank bottom, the valve operatively controlling the air passageway, whereby heat generated by solenoid operation is transferred to the lubricating oil to raise the temperature of the oil. The tank bottom may also include a filter and condensate drain system to filter the compressed air and remove moisture therefrom.

Abstract: A lubricating system for delivering charges of lubricant and air for aerifying the lubricant to multiple points of lubrication. The system comprises a series of air-operated lubricant injectors each of which is operable in response to delivery thereto of operating air to deliver a charge of lubricant. The injectors are organized in a row in engagement with one another. Each injector has a lubricant passage extending through it, the lubricant passages in the injectors being in end-to-end communication with one another to form a lubricant manifold extending through the row for receiving lubricant and charging the injectors.

Abstract: A device for distributing an oil-air mixture to various lubrication channels disposed in a bore (10) of a machine housing, comprises at least one cylindrical distributor (1) which is sealed on at least one of its front sides (8) towards the bore wall by a sealing ring (7) and whose axial position in the bore (10) is determined by at least one spacer (2), whereby the distributor (1) and the spacer (2) are introduced individually into the bore (10).