Abstract: A compressor includes: a driving unit including a stator, a rotor, and a rotary shaft provided in the rotor, having an oil guide path formed at an inner side in a radius direction; a compression unit coupled to the rotary shaft, having a cylinder and a piston reciprocating in the cylinder by a driving force of the driving unit; and an oil supply unit coupled to a lower end of the rotary shaft, supplying oil toward the compression unit. The oil supply unit includes a rotary portion for supplying oil toward the oil guide path while being rotated together with the rotary shaft and a fixed portion having an inner space partitioned to accommodate at least a portion of the rotary portion, and the oil guide path is formed to pass through the rotary shaft along a length direction.

Abstract: The application relates to a device for conveying a medium having a working machine (2) and multiple carrier shafts (25, 35) with transport elements (22, 32) for the medium to be conveyed arranged on them, along a drive (3) that sets the carrier shafts (25, 35) in rotation, wherein the drive (3) has multiple driven shafts (20, 30), each of which is coupled with not less than one carrier shaft (25, 35).

Abstract: A bearing housing assembly featuring a bearing housing having a bearing housing wall portion with a bearing assembly chamber for receiving a bearing assembly and a shaft to be rotated, an oil sump for receiving and containing oil for lubricating the bearing assembly when the shaft is rotated, an oil path channel formed as an oil path for receiving dirty oil from the bearing assembly chamber for traveling down the oil path, and a filter assembly wall portion forming a filter assembly cavity coupled fluidically between the oil sump and the oil path channel; and a filter assembly arranged in the filter assembly cavity, to couple to the filter assembly wall portion, receive the dirty oil traveling down the oil path, filter the dirty oil and provide filtered oil to the oil sump, so the filtered oil can be recirculated to lubricate the bearing assembly when the shaft is rotated.

Abstract: The application relates to a system for conveying a medium having not less than two working machines (2, 2a, 2b, 2c) that each have not less than one carrier shaft (25, 35) with transport elements (22, 32) for the medium to be conveyed arranged on them, and not less than one drive (3, 3a, 3b, 3c) that sets the respective carrier shaft (25, 35) in rotation, with multiple working machines (2, 2a, 2b, 2c) connected in series, so that the medium is conveyed to a working machine (2, 2a, 2b, 2c) arranged downstream, and so that a separate drive (3, 3a, 3b, 3c) is assigned to each of the working machines (2, 2a, 2b, 2c) and that the drives (3, 3a, 3b, 3c) are connected in parallel with each other and connected to a common power supply system (5).

Abstract: A rolling bearing device includes a rolling bearing and an oil supply unit. The oil supply unit includes a lubrication oil tank, a pump which sucks lubrication oil from the lubrication oil tank and discharges the lubrication oil from a discharge porta driving section which drives the pump and a generator section which supplies the driving section with electric energy. The oil supply unit is attached to a fixed-ring-side member of the rolling bearing or a spacer adjacent to the rolling bearing. The oil supply unit further includes a communication unit which transmits operation information of the oil supply unit to an outside.

Abstract: A planetary gear has a sun gear having external teeth on an outer peripheral side, a plurality of pinion gears engaged with the sun gear, a carrier supporting the plurality of pinion gears, a circular oil catch plate on an end of the carrier, and a rotation member having a ring gear, on an outer peripheral side of the carrier and the oil catch plate. An engaging element engaged with the rotation member is disposed on an outer periphery of the planetary gear. The oil catch plate includes an open close valve which opens a passage at at least a predetermined rotation number. Lubrication oil supplied to the planetary gear is guided to the engaging element through the passage when the open/close valve is opened. This enables adjusting of the lubrication amount in accordance with a variation occurring in a ratio of a lubrication amount to each part.

Abstract: A planetary gear has a sun gear having external teeth on an outer peripheral side, a plurality of pinion gears engaged with the sun gear, a carrier supporting the plurality of pinion gears, a circular oil catch plate on an end of the carrier, and a rotation member having a ring gear, on an outer peripheral side of the carrier and the oil catch plate. An engaging element engaged with the rotation member is disposed on an outer periphery of the planetary gear. The oil catch plate includes an open close valve which opens a passage at at least a predetermined rotation number. Lubrication oil supplied to the planetary gear is guided to the engaging element through the passage when the open/close valve is opened. This enables adjusting of the lubrication amount in accordance with a variation occurring in a ratio of a lubrication amount to each part.

Abstract: An x-ray emitter housing includes a first housing part and a second housing part that are connected to one another in a form-fit manner using an axially acting threaded ring.

Abstract: The device is configured for moving a fluid within a gearbox. In one illustrative embodiment, the device includes a base portion coupled to a rotatable member within the gearbox. An inlet portion of the device is configured to draw the fluid from a reservoir portion of the gearbox. The device is configured to utilize a centrifugal force for moving the fluid from the inlet portion toward the base portion along an interior surface of a conical portion. In another illustrative embodiment, the device includes a conical portion having an external threaded portion configured to capture a fluid during a rotation of the device. In such an embodiment, the threaded portion is configured to utilize a centrifugal force for moving the fluid captured by the threaded portion along an exterior surface of the conical portion.

Abstract: A lubricating system is adapted to supply lubricating oil to a lip portion of an oil-seal member for preventing the lubricating oil from leaking out of a case. The lubricating system includes a rotating member, a bearing, a scraping member, and a guiding section. The rotating member is configured and arranged to be rotatably housed within the case and to slidably engage the lip portion of the oil-seal member. The bearing rotatably supports the rotating member. The scraping member is configured and arranged to scrape the lubricating oil discharged from the bearing. The guiding section is configured and arranged to guide the lubricating oil scraped by the scraping member to the lip portion of the oil-seal member.

Abstract: Disclosed is a pressurized internal oil management system, comprising an oil dam, at least one oil separator, at least one oil collection manifold, at least one oil pump, and one or more paths for returning the separated oil; said system integrated within the casing of a fluid displacement device to supply adequate lubrication regardless of orientations under zero to full gravity, and methods and applications related thereto. Fluid displacement devices useful herein include oil lubricated rotary or reciprocating machinery, such as compressors, expanders, pumps and engines, in the casing of which exists one or more drive mechanisms that can be utilized to operate the oil management system, in most cases without even increasing the size of the casing.

Abstract: The present invention is directed to a pump arrangement for use in a gear box housing. The interior surface of the gear box housing has a collection wall arranged in the interior surface of the housing. A shaft is rotatably disposed through the gear box housing and has a longitudinal bore extending through the shaft that provides a lubrication delivery arrangement for distributing lubricant through the gear box housing. A pump housing circumscribes the shaft and has a discharge cavity connected to the longitudinal bore. Additionally, the pump housing has an inlet port for receiving lubrication from the collection wall. Contained within the pump housing is a pump member that has an impeller face and helical threaded surface that pressurizes and introduces the lubricant into the lubricant delivery arrangement.

Abstract: A coolant distribution device for a wet-running clutch device and comprising several coolant distribution surfaces along which coolant is conveyed outwards in the radial direction. In order to increase the service lifetime of a wet-running clutch device the coolant distribution surfaces are implemented so that the coolant conveyed outwards in the radial direction has different axial coolant spray-off points and/or coolant spray-off devices.

Abstract: A plurality of first oil passageways are recessed in an annular projected portion of a bearing cup of a cross shaft joint, each first oil passageway communicating with inner and outer periphery sides, and being increasing in groove width gradually from the outer periphery side toward the inner periphery side. A plurality of second oil passageways are recessed in the annular projected portion, and each second oil passageway is disposed between the first oil passageways, and communicates with the inner and outer periphery sides, and is decreasing in groove width gradually from the outer periphery side toward the inner periphery side. When the bearing cup is angularly moved relative to a cross shaft, grease in the first oil passageways is flowed from the outer periphery side of the annular projected portion to the inner periphery side thereof, while grease in the second oil passageways is flowed from the inner periphery side of the annular projected portion toward the inner periphery side.

Abstract: A device for supplying several lubrication points on machine parts with a lubricant, comprising an electromechanical lubrication dispenser and a distribution device coupled to a lubricant outlet of the dispenser. The distribution device has a housing, a cylindrical hollow distributor body or tube which is mounted to rotate about a vertical axis. There is also a fixed cylindrical sleeve that surrounds the distributor body, forming a seal. The distributor body has an opening at the top for allowing the lubricant in, and has at least two distributor bores disposed on the circumference but offset axially from one another. Each of these distributor bores has a corresponding opening bore in the distributor sleeve that is assigned to it. This distribution device also has an electric motor drive that has a running path control that has a switch that functions electromechanically or in a contact free manner.

Abstract: A rotary shaft pump for increasing supplied oil pressure to a pressure responsive device in an internal combustion engine. The pump includes a housing adapted to carry a plurality of axially spaced journals of a rotatable shaft. The shaft also includes at least one pumping element having a larger diameter than the other journals of the shaft. A cam phaser carried on one end of the shaft receives pressurized oil from the engine through oil passages extending through the housing and the shaft. As the oil is pumped through the oil passages of the shaft, the oil is centrifugally pumped through a radially extending pumping passage extending though the pumping element to boost oil pressure supplied to the cam phaser.

Abstract: A modular oil delivery system has a mount with at least one passage, a flange and a body depending from the flange. A mounting bracket is carried by the mount to support an oil pump having an oil outlet in fluid communication with at least one passage in the mount. A float arm is pivotally supported relative to the mounting bracket and is constructed and arranged to be responsive to the level of the oil in the reservoir. An oil pressure sensor is supported by either the mounting bracket, the body, or the flange. The oil pressure sensor is in fluid communication with at least one passage in the mount and with the oil outlet of the oil pump to monitor the pressure of oil discharged from the oil pump.

Abstract: An apparatus is given for feeding a lubricating and cooling material to a pump or other device having a rotating member that operates intermittently. In particular it deals with methods for delivering lubricant to the pump whenever, and only whenever, the pump is running and with ensuring that the pump is always adequately lubricated when it is running. It is particularly useful for centrifugal pumps on mobile equipment, such as pumps used in cementing in the oil industry.

Abstract: A lubrication system for an internal combustion engine includes a variable displacement oil pump supported on the engine block and connected to draw oil from the oil pan and to supply pressurized oil to various engine components. The pump defines variable displacement pumping chambers for carrying oil from an inlet to a pressurized outlet. An exemplary embodiment includes a vane pump with a feedback displacement control using pressure from the lubrication system to actuate a slide ring in the pump to control the pump output. Numerous features of the pump are disclosed.

Abstract: A component, such as a submersible motor, having a lubrication distribution system. The component includes an outer housing having a rotatable shaft disposed within the housing. The shaft is supported by one or more bearings and a lubricant is disposed within the housing. A conduit is provided for conducting a lubricant from the lubricant pump to desired locations, such as the one or more bearings.

Abstract: A lubricating oil supply system for an infinitely variable transmission wherein the infinitely variable transmission has a transmission shaft provided with a lubricating oil path and is rotatably mounted through the wall section of a casing. The infinitely variable transmission is housed in a transmission case partly defined by the wall section. An input rotary member is provided that is relatively unrotatably connected to the transmission shaft on the outside of the transmission case. An oil pump is provided for supplying lubricating oil to the lubricating oil path. The oil pump is located in the casing. In this infinitely variable transmission, the oil passage from the oil pump to the lubricated portion of the infinitely variable transmission is simplified in structure and the oil passage is substantially reduced in length, thereby enabling a decrease in the length of the transmission shaft. The oil pump which is driven by the transmission shaft is located on the wall section.

Abstract: A Roots pump rotates a plurality of rotors by a pair of rotary shafts to draw gas. Each rotary shaft extends through a rear housing member of the Roots pump. A plurality of stoppers are located on each rotary shaft to integrally rotate with the corresponding rotary shaft, and prevent oil from entering a fifth pump chamber of the Roots pump. Stoppers have a circumferential surface, respectively. Annular oil chambers collect oil. The oil chambers are located about an axis of the rotary shaft to surround the circumferential surface of the stopper. This effectively prevents oil from entering the pump chamber of the Roots pump.

Abstract: A lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft with an oil pump is arranged at one end of the apparatus shaft (23) and is driven by this apparatus shaft (23). A pump housing (2) has a pocket (3) in the form of a chamber open on one side, in which two co-operating displacement elements (4,5) are so arranged that the pump housing (2) covers the displacement elements (4,5) axially on both sides at least in an operative region and in the circumferential direction over a maximum of 180°. The displacement elements (4,5) are held in position by a pump shaft (13). This pump shaft (13) is connected via coupling elements to the apparatus shaft (23) so that they rotate together. This permits a construction having narrow tolerances that is easy to assemble.

Abstract: In a gas compressor having a crankcase rotatably supporting a drive shaft connected to and adapted for operating compression generating structure of the compressor, the shaft being connected to an electrical motor for being driven thereby in either rotational direction, and the shaft having an oil passage formed generally longitudinally therein for conveying lubricating oil to various portions of the compressor, unique oil pump structure having from one to about six slots formed generally radially thru a portion of the shaft and communicating with the oil passage, an elongated vane slidably mounted in each slot for movement both longitudinally and laterally thereof to provide an oil conduit alongside each of the vanes regardless of the direction of rotation of the shaft, a wall slidably enclosing the shaft portion and having a circular inner surface eccentrically positioned with respect to the shaft portion such that a small vertical segment of the inner surface lies adjacent the shaft portion to thereby prov

Abstract: A lubricating system, preferably for smaller refrigerating machinery of piston compressor type (1, 2, 3) having a substantially vertically extending drive shaft (4). A disc-shaped member (11) is arranged adjacent to the lower part of the drive shaft (4) to be rotated by the rotary movement of the drive shaft (4), arranged having oil transferring means (12; 20, 20′, 20″) communicating with oil in an underlying oil reservoir (10). Said oil transferring means (12; 20, 20′, 20″) will during a rotary movement transfer oil from the oil reservoir (10) to the upper plane of the disc-shaped member (11), and a tubular pipe (14), having its lower open part (15) open against the rotary direction at the peripheral part of the disc-shaped member (11), moves in the manner of a Pitot pipe pump oil via the tubular pipe (14) from the disc-shaped member (11) for lubrication of the piston compressor (1, 2, 3).

Abstract: A lubricating system for an engine having a cylinder body and a crankcase, the cylinder body defining at least one cylinder, a piston movably mounted in the cylinder and connected to a crankshaft rotatably mounted in the crankcase defined by a crankcase member. The lubricating system includes an oil pump supported at an inner side of a wall of the crankcase member and an oil filter housing area located at an outer side of the wall, the oil pump driven by the engine and delivering oil from an oil source to a filter positioned in the oil filter housing area.

Abstract: A device for lubricating a track or a rail that is adapted to be mounted to a wheeled vehicle. The device includes a frame member adapted to be mounted to the vehicle and an arm pivotally attached to the frame member. A roller, which is adapted to ride on the rail, mounts to the arm and receives a guide. A lubricating nozzle attaches to the guide.

Abstract: A pump apparatus for a milking machine is provided with an oil container for the supply of lubricant to the pump. A joint device is inserted in the container. The joint device comprises a casing enclosing an inlet conduit for bringing back oil to the container and an outlet conduit for the removal of oil from the container and supply to the pump.

Abstract: A pump apparatus for a milking machine is provided with a distribution device for the supply of lubricant to the bearings of the pump. The distribution device comprises an inlet for the supply of lubricant from a container, a distributor and at least two outlets for the delivery of lubricant to the different bearings of the pump. The distributor is provided to guide the lubricant, independently of the incoming amount thereof such that the lubricant is equally distributed to each outlets and hence to each bearing.

Abstract: Wheel lubricating apparatus includes a conveyor for transporting wheels on their side in succession into position to be lifted by a lower unit into clamp engagement with an upper stationary unit to support the wheel to be lubricated against rotation. A pair of lubricant brushes are supported by a rotary carriage on opposite sides of the wheel and are rotated in alternating half rotations during each successive soaping cycle to apply soap to the bead seats of the wheels.

Abstract: A lubricant supply apparatus includes a pump for discharging lubricant. The lubricant is supplied onto two rows of floor plates arranged on a row of ties. Two tongue rails are mounted on the two rows of floor plates in such a manner as to slide on the floor plates. Times at which the pump is to start operating are preset in a schedule timer. The schedule timer informs a lubricant supply timer when the pump should start operating.

Abstract: A lubricating system for an internal combustion engine maintains lubrication even in extreme emergency positions of the engine such as slants within the range of about 90.degree. to about 270.degree., relative to the horizontal and even for upside down engine positions. For this purpose, a hydraulic accumulator (16) is connected to the lubricant circulating circuit through a parallel connection of a non-return valve (17) and a controllable valve. Under normal operating conditions, the hydraulic accumulator is charged with lubricant under the pressure prevailing in the lubricant circulating system. Under emergency conditions, the normal lubrication is stopped and emergency lubrication continues through the controllable valve that is opened in response to a pressure drop in the normal lubricant circulating system.

Abstract: Method for use in the maintenance of track equipment of the type comprising at least one movable element and a stationary element whose respective contact surfaces come into engagement with one another. The method is characterized by coating the contact surfaces with a given quantity of a composition comprising at least one product with lubrifying properties and a solvent with a high evaporation coefficient.

Abstract: An oil pump for high performance internal combustion engines suitable for use with race cars and the like wherein extended wear and tolerance maintenance is achieved by supporting the pump gears on shafts extending through the gears. Balanced dual support of the pump gears is achieved by forming bearing openings in the pump lower housing receiving the lower gear shaft portions and lubrication of the lower housing supported gear shafts is achieved by oil passages communicating with the bearings and the lower housing oil outlet cavity. Screw in plugs and retainers are employed to insure effective assembly even under high vibration, and a bolt-on screened oil inlet achieves superior rigidity and ease of replacement.

Abstract: A system for lubricating bearings on a vertical rotatable shaft within a bearing housing, is comprised of an annular lower lubricant sump at a lower portion of the bearing housing; an annular upper lubricant reservoir at an upper portion of the bearing housing; and a conduit providing fluid communication between the lower lubricant sump and the upper lubricant reservoir. Provision is made for metering a flow of lubricant from the upper lubricant reservoir into upper bearings. The lubricant is pumped from the lower lubricant sump, through the conduit, to the upper lubricant reservoir at a rate exceeding the rate of metered flow into the upper bearings. A constant head of lubricant above the metering orifice is provided in the upper lubricant reservoir, as well as an outlet for shunting excess lubricant back to the lower lubricant sump.

Abstract: A decanter centrifuge assembly comprises a bowl, a screw conveyor disposed inside the bowl for rotation at a speed different from an angular velocity of the bowl, and a harmonic drive unit including a circular spline drivingly connected to the conveyor. The harmonic drive unit further includes a flexible spline drivingly connected to the bowl and a wave generator disposed in contact with the flexible spline for distorting the flexible spline and enabling a driving of the flexible spline at a rate of rotation incrementally differing from a rate of rotation of the circular spline. The flexible spline has teeth partially meshing with teeth on the circular spline. The harmonic drive additionally has a lubrication system with a skimmer tube for paring lubricating fluid from a pool in an outer casing of the harmonic drive. A shaft coupled to the wave generator has a channel communicating with the skimmer tube.

Abstract: A method and device for the autolubrication of the rolling bearings of turbomachines. The method and device utilize pressure differences present in the turbomachine for sucking in the lubricating oil. Moreover, a pressure is built up in centrifuges arranged on a shaft, and is used for the direct injection of the lubricating oil into the rolling bearings. For this purpose, an annular element imparting a negative pressure is arranged stationarily on the shaft, and is designed as a negative pressure chamber. The negative pressure chamber is connected via an oil suction conduit to an oil sump holding the lubricating oil and via a first air conduit to a negative pressure region of the turbomachine. The oil sump is connected via a second air conduit to an overpressure region of the turbomachine. A separating point is arranged between the oil suction conduit and the negative pressure region, preferably in the first air conduit.

Abstract: An automatic lubricator is microprocessor controlled and can be programmed to deliver lubricant to a bearing or the like at selected intervals. A pressure for lubricant delivery in the range of 80-90 psi can be attained in less than a minute, but the bulk of the lubricant is kept under a minimal pressure of about 7 psi to avoid bleeding. Operation of the lubricator rests upon the use of a minor pressure imposed by a spring to force lubricant into the threads of an auger, so that rotation of the auger by a servo motor controlled by the microprocessor then dispenses the lubricant while at the same time providing a mixing action to the lubricant. Provision is also made for automatic shutting off of the lubricator at a preselected temperature.

Abstract: A gear type grease pump includes a motor fixed on the top surface of a base plate, a gear type pump fixed on the bottom surface of the base plate, the pump having a pair of gears engaged with each other and rotationally driven by the motor for rotating, a housing body and a bottom cover for accommodating the two gears, and a grease inlet and a grease outlet opposite to the grease inlet both provided on the housing body. A grease sweeping blade is located below the bottom cover and driven by the pump. A sealing ring is fixed along the bottom surface periphery of the base plate. A perforated mesh hood is located within the sealing ring and encloses the gear type pump and the grease sweeping blade. And a grease path is provided inside the base plate to communicate with the grease outlet path when the pump is fixed on the base plate, and the outlet of the grease path is connected with a conventional grease gun.

Abstract: A tube and tube retainer applied to the base of a railroad rail and capable of being simply and quickly adjusted for the application of lubricant to the wheel/rail interface contact patch. The tube accepts a lubricant supply from an external source at one end and directs it to the appropriate area of the wheel/rail contact patch. Implementation may include a plurality of such tubes on one or both rails to improve effectiveness. The present invention reduces overall waste by applying smaller amounts of lubricant with each tube, but increasing the total amount of lubricant applied.

Abstract: The invention is a wiping bar of a rail lubrication apparatus of the type used with a rail having a base with outwardly extending flanges, a head, and a web connecting the base and the head, where the lubrication apparatus is comprised of a wiping bar and a first set of clamps for maintaining the wiping bar in position with respect to the rail. The lubrication apparatus also comprises a pump actuator and a second set of clamps for maintaining the pump actuator in position with the rail. The rail lubrication apparatus may be used with a pump, responsive to the pump actuator, for pumping a lubricant from a reservoir to the wiping bar to form a complete rail lubrication system. Specifically, the wiping bar of the present invention includes an improved distribution blade over those known in the art. Further, the wiping bar of the present invention includes the improvement of coating the surface of the wiping bar contacting the lubricant with an anti-stick material.

Abstract: A bearing lubricating apparatus for a rotary machine has a rotary shaft rotatably supported by a rolling bearing, and an oil receiving portion which receives lubricating oil picked up by a pick-up member. The oil in the oil receiving portion is sucked by a suction nozzle and is sent to interior of the rotary shaft through a first passage. Then, the oil flows back through a second passage into the bearing. Oil supply nozzles are formed in the rotary shaft so that the oil is supplied to the bearing by a pumping action of the oil supply nozzles when the rotary shaft rotates.

Abstract: Disclosed herein is an oil pump assembly comprising a housing member including a first mounting surface, a cover member mounting surface spaced from the first mounting surface, a bore extending from the cover member mounting surface and including, adjacent the cover member mounting surface, a counter bore, an oil supply passage extending between the first mounting surface and the cover member mounting surface for communication with an oil supply source, and an oil delivery passage extending between the first mounting surface and the cover member mounting surface for communication with an oil delivery conduit, a cover member including a housing member mounting surface fixed to the cover member mounting surface of the housing member, an other mounting surface, an oil supply recess located in the housing member mounting surface and communicating with the counter bore in the housing member, an internal oil supply conduit communicating between the oil supply recess and the housing member mounting surface and commu

Abstract: An assembly for applying a solid material, such as a lubricant or an anti-slip material, to wheels. The system includes a pair of spring actuated members located on opposite ends of a holder for the solid material to urge the holder upwardly along guide pins to force the solid material to contact a wheel as it passes over a rail and the solid material element. The solid material element is held or "pinched" between the wheel flange and the gage face of the rail, thereby applying the material to the wheel which, in turn, transfers the material to the rail surface. The upward motion of the solid material is counteracted by a braking arrangement, including a brake release, so that a wheel passing over the release, releases the braking arrangement to allow the solid material to move upwardly to contact a wheel.

Abstract: A pump having a reciprocating piston/plunger unit adapted to be actuated by a railway wheel rolling over it has a unitary plunger and piston, with the piston double-acting so that when the outlet pressure exceeds a certain value, the plunger remains retracted. An accumulator is provided in fluid communication with the outlet so as to store accumulated hydraulic pressure.

Abstract: A pneumatic oil lubricator for lubricating replenishment mainly has a pneumatic oil pump for pumping oil from a oil reservoir to an oil outlet unit, such as an oil gun. An automatic controlling apparatus is provided which has a hollow unit sleeve, a piston disposed in the hollow unit sleeve, and a spring mounted on the piston. The piston has interior air passage formed at one end thereof. The entrance and the exit of the interior air passage are faced to the second connecting inlet and the connecting outlet respectively. In which, the hollow sleeve has a first and a second connecting inlets at its two end and an connection outlet. The first connecting inlet is linked to an air compressor, the first connecting outlet is linked to the air outlet unit, and the connecting outlet is linked to an air inlet of the pneumatic oil pump.

Abstract: A rail lubrication apparatus of the type used with a rail having a base with outwardly extending flanges, a head, and a web connecting the base and the head, is comprised of a wiping bar and a first set of clamps for maintaining the wiping bar in position with respect to the rail. The lubrication apparatus also comprises a pump actuator and a second set of clamps for maintaining the pump actuator in position with the rail. The rail lubrication apparatus may be used with a pump, responsive to the pump actuator, for pumping a lubricant from a reservoir to the wiping bar to form a complete rail lubrication system. The clamps, wiping bar, and pump actuator are each of a unique construction.

Abstract: A rail lubrication apparatus of the type used with a rail having a base with outwardly extending flanges, a head, and a web connecting the base and the head, is comprised of a wiping bar and a first set of clamps for maintaining the wiping bar in position with respect to the rail. The lubrication apparatus also comprises a pump actuator and a second set of clamps for maintaining the pump actuator in position with the rail. The rail lubrication apparatus may be used with a pump, responsive to the pump actuator, for pumping a lubricant from a reservoir to the wiping bar to form a complete rail lubrication system. The clamps, wiping bar, and pump actuator are each of a unique construction.

Abstract: A control apparatus for a lubrication pump to supply lubrication oil to a plurality of working machines includes a tank stored with lubrication oil therein, a cover being covered on the tank having a control panel allowing a user to preset intermittent cycle for oil supplying to external working machines via a pipe, a motor transmittedly engaged to a pump which is installed in the inner space of the tank having a plurality of oil passages allowed to transport the oil from the tank to external working machines. A pressure-adjusted valve is located in the cover exactly at one of the oil passage for adjusting the oil flow rate therethrough. A control circuit installed inside the control panel allows the user to preset the intermittent supplying cycle and indicates insufficient oil situation if the tank is short of oil.

Abstract: An oil pump comprises a housing, a cover, an inner gear having external teeth and a recess, and an outer gear having internal teeth engaged with the external teeth of the inner gear. The housing or the cover includes an engagement protrusion to be engaged with the recess of the inner gear for supporting the inner gear during assembly.