Abstract: A device for tuning clearance at rotor blade tips in a gas turbine rotor, the device comprising at least one annular air flow duct that is mounted around the circumference of an annular casing of a stator of the turbine, the annular air flow duct being designed to discharge air onto the casing in order to modify the temperature thereof. A tubular air manifold is disposed around the air flow duct(s). There are also disposed an air feed tube to supply the tubular air manifold with air and an air pipe opening in the tubular air manifold and opening out into the air flow duct(s). The air pipe is provided with a balancing diaphragm for balancing the air flowing through the pipe.

Abstract: Systems and method for controlling the flow of air through a mechanical draft system are disclosed herein. A pressure controller for controlling air pressure comprises an appliance controller configured to control the operation of a plurality of appliances, an intake fan controller configured to control the speed of an intake fan, and an exhaust fan controller configured to control the speed of an exhaust fan. The pressure controller also includes a processor configured to receive a differential pressure signal and to control the operation of the appliances, the speed of the intake fan, and the speed of the exhaust fan in response to the differential pressure signal.

Abstract: A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner surface of a bearing journal; the heat conductive sleeve having a sleeve inner surface separated from a sleeve outer surface by a sleeve thickness; the heat conductive sleeve having a first end separated from a second end longitudinally about a center axis; the sleeve outer surface being in physical contact with the inner surface of the bearing journal; and the heat conductive sleeve having a thermal conductivity that is greater than a thermal conductivity of the bearing journal.

Abstract: A coolable segment for a turbomachine such as a combustion turbine, which turbomachine is operated with a hot fluid. The segment comprises a cooling wall extending in an axial direction and in a circumferential direction orthogonal to the axial direction; a hot fluid surface to be exposed to the hot fluid. Between the wall and the surface a cooling structure is arranged which is permeable to cooling fluid and provides cooling surfaces for cooling by heat transmission through radiation. The cooling structure comprises either a netting, in particular a wire netting or a porous material.

Abstract: A device for the targeted adjustment of the angle of incidence of a rotor blade (13) which is rotatably mounted, at the foot (14) thereof, on a hub (12) of a rotor (11) of a wind power installation (10). The device includes a gearing, a driving toothed wheel (21, 41) that meshes with the gearing (20, 40), and a lubricating device. The lubricating device, due to a temporary displacement of the driving toothed wheel (21, 41) from an operating position into a lubricating position, can be engaged with a defined point of the gearing (20) or the driving toothed wheel (41), respectively previously engaged with the driving toothed wheel (1) or the gearing (20, 40), so as to transfer lubricant.

Abstract: A multiple path fluid circuit comprising a fluid reservoir and a fluid pump having an inlet in fluid communication with the fluid reservoir. The fluid pump may have an outlet in fluid communication with an inlet of a fluid cooling circuit. The fluid cooling circuit may then have an outlet in fluid communication with the fluid reservoir. The outlet of the fluid pump may also be in fluid communication with an inlet of a lubrication circuit, which may be in fluid communication with a delivery system capable of supplying a fluid to a moving component or to a component in contact with the moving component. A gas turbine engine comprising a multiple path fluid circuit is also disclosed as well as a method of utilizing a multiple path fluid circuit.

Abstract: Such a rotating blade body is supplied as can prevent not only local wear and deformation but also inadvertent vibration and can maintain cooling efficiency. A rotating blade body consists of a rotor disc 2 and rotating blades 1 which are assembled so as to extend from the outer circumference of the rotor disc 2 in a radial pattern, wherein blade root portions 10 of the rotating blades 1 are engaged into blade grooves 20 which are formed along a direction of a rotating shaft on an edge of the outer circumference of the rotor disc 2. Circulation spaces 25 for the cooling air are formed along the direction of a rotating shaft between the bottom-end portions 10a of the blade root portions 10 and the bottom portions 20a of the blade grooves 20. Pushing-up members 3 which push up the rotating blades 1 outward in a radial direction are inserted into the circulation spaces 25, maintaining circulation of the cooling air.

Abstract: An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and each is located at one of the flow channels. Each booster blade has a segment aligning with and overlapping a corresponding one of the main blades. In such an arrangement, the speed of airflow is increased and the heat-dissipating efficiency provided by the impeller assembly is enhanced.

Abstract: A method enables a gas turbine engine to be assembled. The method comprises coupling a rotor assembly including a plurality of circumferentially-spaced rotor blades downstream from, and in flow communication with, a compressor, coupling a casing assembly circumferentially around the rotor assembly such that a clearance is defined between an inner shroud surface of the casing assembly and the rotor blade tips, and coupling a clearance control system to the casing assembly to facilitate maintaining the clearance between the casing assembly and the rotor blade tips, wherein at least a portion of an external surface of the clearance control system is formed with a textured pattern that facilitates increasing the clearance control closure capability during engine operation.

Abstract: The present invention is a printed circuit board having cooling means incorporated therein, which is coordinated with a fan. The fan comprises a frame, a stator, a rotator and a circuit board. The circuit board comprises at least one electronic component, a control IC and a heat discharge region. The heat discharge region comprises two heat dissipation areas with a plurality of holes; and the control IC is at a position corresponding to the heat discharge region. Accordingly, the circuit board can be ventilated and its heat-transfer structure can be destroyed to further obtain a better heat discharge so that the work efficiency of the control IC can be improved.

Abstract: A vane provided with at least one spindle, the at least one spindle configured to engage in operation with a support such that in operation the vane pivots about the at least one spindle. The vane is further provided with an electrically operable heater which is communicable with an electrical supply via an electrical connection node located in the at least one spindle. The electrical connection node comprises a female portion and a corresponding male portion. The support is defined by a casing.

Abstract: An air cooled bearing comprising means for imparting a swirl component to the cooling air flowing toward the bearing. By imparting a swirl component to the cooling air the amount of work imparted on the cooling air by the rotating cage and rolling elements of the bearing can be reduced and in some cases substantially eliminated.

Abstract: A rotary disc pump for pumping fluid materials, comprises a housing having a front and a back wall forming a chamber with a generally coaxial inlet in the front wall and a generally tangential outlet, an impeller is mounted co-axially within the chamber and comprises a shaft mounted in the back wall of said housing and having an outer end extending from the housing and an inner end within the chamber, at least a first circular which is disc mounted on the inner end of the shaft, and at least a second disc which is mounted in axially spaced relation to the first disc and has an opening in the center thereof, arid a conical member which extends co-axially of the shaft from the first disc toward the second disc.

Abstract: A housing including an outer casing provided with bearer hooks for stator rings and sealing rings. The hooks are discontinuous angularly and joined to a casing by tenon and mortise assemblies. The hooks and the casing may therefore be made in different materials, the hook material having good resistance to heating and the other material lending itself better to machining and forming. Ventilation, clearance piloting and heat protection are facilitated.

Abstract: A method enables a nozzle support for a gas turbine engine to be fabricated. The method comprises forming an annular assembly including a plurality of circumferentially-spaced gas injector assemblies, wherein each gas injector assembly includes a plenum and a unitarily formed injector that extends outwardly from an outer surface of the plenum, and forming a passageway through the injector such that the passageway extends between an inlet and an outlet, and is obliquely aligned with respect to the plenum exterior surface.

Abstract: An arrangement for cooling or heating of a flange bolt for turbines comprises one or more boreholes, that extend through the bolt, and inlet and outlet pipes that are connected to each end of the borehole. A cooling or heating medium such as air, steam or any other fluid flows through an inlet pipe into and through the borehole thereby cooling or heating the bolt, and exits from the borehole via an outlet pipe. The cooling or heating arrangement enables direct cooling or heating of the bolt itself and ensures stable bolting forces throughout the operation of the turbine. The flange bolts with this arrangement may be applied to gas turbines or steam turbines operated at elevated steam temperatures and pressures.

Abstract: In an exhaust gas turbocharger including a compressor wheel, the compressor wheel is cooled by at least one nozzle which is arranged in close axial proximity to the axis of rotation of the compressor wheel for spraying the backside of the compressor wheel near the center thereof with coolant whereby the coolant, utilizing the centrifugal forces of the rotating compressor wheel, is completely distributed over the entire wheel back surfaces.

Abstract: Turbocharger comprising a rotor shaft (5), a turbine housing (2), a compressor housing (3) connected to the turbine housing (2), and including at least one air supply channel (13?) for supplying air to be compressed and at least one discharge channel (11) for delivering compressed air. One end of the rotor shaft projects into the compressor housing and supports a compressor rotor (21). A bearing (12) in the region of the compressor rotor supports the rotor shaft, and forms a bearing gap. The bearing includes two seals (29,30) axially spaced from one another to seal the bearing gap and to leave an intermediate space (31) between them. A suction channel (33,34) is connected to a vacuum source and sucks gas out of this intermediate space.

Abstract: An assembly and means for cooling a hydraulic pump comprising an electric fan mounted on a housing of the hydraulic pump. An upper shroud helps direct cooler air to the fan and helps prevent inadvertent contact with the fan blades. An optional controller can be attached that senses the temperature of the hydraulic pump and adjusts the speed of the fan accordingly.

Abstract: A frost-resistant windmill is disclosed to provide supplemental power supply for use preferably in large cities. The frame of the windmill carrying a plurality of blades is made hollow defining a serpentine internal air pathway adapted for introduction of warm air from an external source to prevent freezing when used during winter months. A centrifugal speed adjustment system is provided to reduce rotation speed fluctuations of the load drive shaft when strong wind gusts are encountered. A speed adjustment weight is connected to the drive wheel through a cable such that the position of the drive wheel along the radius of the windmill is defined by an equilibrium between the pull force on the cable and the compression force of the spring urging the drive wheel towards the periphery the windmill.

Abstract: A cooled shroud assembly includes an angled slot and a plurality of dilution jet openings. The shroud forward cavity is modified such that at least one recirculation zone is produced. The angled slot forces an axial change in momentum of the hot gas flow and increases radial and axial pressure variation attenuation. The cooled shroud assembly isolates the shroud structure and seals from the hot flow path and a cooling flow from the dilution jet openings dilutes the hot gas flow. A series of recirculation zones shields the shroud carrier and high pressure seals from the hot gas flow.

Abstract: A turbo-molecular pump of high safety and reliability was presented, so that if an abnormal condition should develop on the rotor side, it will not lead to any damage to the stationary portions such as the stator or pump casing to cause loss of vacuum in a vacuum processing system. The turbo-molecular pump includes a rotor; a stator assembly surrounding the rotor; and a casing portion surrounding the stator assembly, wherein at least a partial clearance is formed between the stator assembly and the casing portion, so that, when an abnormal torque is applied from the rotor to the stator assembly, direct impact transmission is prevented from the stator assembly to the casing portion.

Abstract: A vortex blower is composed of a motor providing a rotating power and including a pivot, a first rear housing mounted in proximity of the pivot and including two through holes at a lower side thereof for communicating respectively with an entrance airway and an exit airway, an impeller mounted inside the first rear housing and on the pivot and rotating along with the shaft, a second rear housing including a through hole at the center thereof and covers on the first rear housing to enable the pivot to run through the through hole and to enable the impeller to be encased inside the first and second rear housings, and a heat-dissipating device mounted outside the second rear housing and is driven by the pivot to work and to generate rapid flowing air outside the first and second rear housings.

Abstract: A circulating lubrication system for a centrifugal pump, or other rotating equipment utilizing an oil sump, is disclosed. The lubrication system includes an external reservoir located distant from the main lubrication chamber, so that lubricating fluid from the main misting chamber is forced out of the main chamber, cooled and cleaned (i.e. filtered) in the external reservoir, and thereafter fed back into the main lubricating chamber. In such a manner, the lubrication system maintains substantially clean, cool, and moisture free lubricating fluid in the main misting chamber and reduces the required downtime of the device. Thus, the life span of the device is lengthened while at the same time production is increased.

Abstract: An improved diesel engine water pump includes three main features that aid in extending the maintenance-free life of the pump. The impeller shaft is carried by tapered roller shaft support bearings of which the impeller bearing has a floating outer race that is urged axially by a preload spring to provide a prescribed axial preload that maintains concentricity of the shaft with the axis and prolongs bearing life. An improved oil seal combines an oil slinger, a stationary deflector and a lip oil seal with a return passage to the engine to more effectively limit oil leakage from the pump. An improved water seal includes pressurized water jets fed from the pump volute that flush wear particles from the water seal surface and increase water seal life. Further details of these features are also disclosed.

Abstract: Enclosure for liquid lubricated rotating elements (12, 16, 17). A first rotating element (16) with at least one bearing (13, 14, 15) lubrication fluid drainage point that cooperates with a second rotating element (17). A partition wall (21) is mounted between the drainage point and the second element (16, 17), in such a manner that lubrication fluid is substantially prevented from migrating from the drainage point to the second element.

Abstract: A rotary machine is provided, such as an electromechanical device, that includes a housing having a lubricating oil disposed within the housing. A shaft is rotatable about an axis relative to the housing. The shaft has a passage extending to an end portion of the shaft. A screw includes a body arranged coaxial to the shaft, and preferably affixed thereto. The screw includes helical blades extending outwardly from the body adjacent to a shroud. The shroud is arranged about the screw forming a gap between the blades and the shroud. Rotation of the shaft and screw pump the oil to the end portion of the shaft and into the passage from which the oil may be delivered to other machine components, such as the bearings. A flow straightener having radial fins may be arranged between the screw and the passage for controlling the flow of oil into the passage preventing a vortex.

Abstract: In a gas turbine, blade ring cooling passages are provided inside a first blade ring and a second blade ring. The blade ring cooling passages are connected with each other through a communication pipe that is arranged in an axial direction of the blade ring. From outside of a wheel chamber, cooling air to cool down stationary blades is sent with pressure into an inside of the stationary blades that are installed on an inner wall of the blade rings. Thermal shields are provided on outer surfaces of the blade rings and communication pipes through gaps therebetween. In the gaps between the outer surfaces of the blade rings or the outer surfaces of the communication pipes and the thermal shields, partitions are installed to stagnate the cooling air to cool down the stationary blades.

Abstract: An apparatus of water-cooled heat sink comprising a motor means comprising a motor seat having a room pivoting with a first magnet which both end of it have two rods, a first rod and a second rod, over the room and at the front of first magnet having a coil at the outside of room; a fan means comprising a fan seat and a plurality of cooling blades wherein the fan seat couples to the first rod and the cooling blades couple to the front of first rod of motor seat, the fan seat has a circular hollow room depositing a second magnet in it; a water-cooled means comprising a seat, a plurality of water-cooled blades and a pipeline.

Abstract: A turbomolecular pump including a housing having a suction opening and a gas outlet opening, and a plurality of alternatingly arranged one behind another, stator and stator rings provided, respectively with support rings for supporting each a blade, with a support ring of a stator disc located adjacent to a high pressure region of the turbomolecular pump being connected with an adjacent housing part over a large surface or being formed with the adjacent housing part as one-piece part.

Abstract: The invention recites a power turbine assembly including a turbine rotor and a plurality of turbine blades mounted to said rotor and adapted to rotate said rotor in response to a flow of hot gas over said blades. A support structure having a journal bearing and at least one other bearing supports said rotor for rotation, said journal bearing having a proximal end and a distal end with respect to said turbine blades. A supply of lubricant communicates with said journal bearing to provide lubricant between said rotor and an inner surface of said journal bearing, said lubricant damping rotational frequencies of said rotor and creating a temperature gradient from greater than about 1000° F. at said blades to less than about 350° F. at said distal end.

Abstract: The gas turbine stationary blade comprises a stationary blade section provided therein with a passage for cooling air, an inner shroud for supporting the stationary blade section on the side of a discharge port of the cooling air, and a plurality of segments each of which includes at least one stationary blade section and at least one inner shroud. A flow passage is pulled out from the discharge port of the cooling air, and the flow passage is introduced to a front edge corner section of the inner shroud and is extended rearward along a side edge of the inner shroud.

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 vacuum pump including a tempering component arrangeable between the suction side flange of the pump and the connection flange of a recipient and having a tempering element.

Abstract: A gas turbine blade ring is cooled by steam whose temperature, pressure and flow rate are controlled so that a clearance between a moving blade tip and blade ring is maintained appropriately. Steam from a steam turbine bottoming cycle (10) flows into a blade ring cooling passage (8) of a gas turbine (1) via piping (12) for cooling the blade ring. The steam, having cooled the blade ring, is supplied into a transition piece cooling passage (9) of a combustor (3) for cooling the transition piece, and is then recovered into the steam turbine bottoming cycle (10) via piping (14). While the steam cools the blade ring, the temperature, pressure and flow rate of the steam are controlled so that thermal elongation of the blade ring is adjusted and the clearance at the moving blade tip is controlled so as to approach a target value. Thus, the clearance is maintained as small as possible in operation and the gas turbine performance is enhanced.

Abstract: The invention pertains to a coolable segment (1) for a turbo machinery (20), which turbo machinery (20) is operated with a hot fluid (29). The segment (1) comprises a cooling wall (2) extending in an axial direction (37) and in a circumerential direction (36) orthogonal to said axial direction (37); a hot fluid surface (3) to be exposed to the hot fluid (29). Between the wall (2) and the surface (3) a cooling structure (4) is arranged which is permeable to cooling fluid (5) and provides cooling surfaces (6) for cooling by heat transmission through radiation. The cooling structure (4) comprises either a netting, in particular a wire netting or a porous material. The invention further pertains to a combustion turbine (20) comprising a coolable segment (1).

Abstract: A fan frame for use with a fan is provided, which includes: a frame body having a top side and a bottom side opposed to the top side; an opening formed through the top and bottom sides of the frame body, allowing a plurality of blades of the fan to be received in the opening; and at least a recessed portion formed on the frame body at a position outside the opening and connected to the opening. By rotation of the blades of the fan, air is adapted to enter via the top side of the frame body into the opening directly and also through the recessed portion into the opening, so as to facilitate air intake and wind output for the fan as well as to improve heat dissipation efficiency as the fan is mounted to an electronic device.

Abstract: A cooling device for projector, comprising a light source, an exhaust fan, an air directing fan, an air duct, air inlet windows, an optical engine, a circuit board, a light cut, and a power supply to constitute a projector device with high brightness and high contrast. The projector includes a design that directs hot air flow directly into fan blades of an exhaust fan, thereby effectively reducing adverse effects and solving problems of conventional technology, such as failure to direct hot air flow into the fan blades of the exhaust fan, resulting in excessively high average temperature in the fan hub area that is in alignment with the hot air current, and high working temperature of motor bearings, control circuits, rotors and stators in the fan hub, so that the fan hub can be operating under lower temperatures, thereby enhancing normal performance, effective working life and reliability of the fan and the projector.

Abstract: A seal assembly (22) for sealing a pressurized gaseous product includes, a pair of seals (24,26) spaced axially to provide a chamber (28) therebetween, a gas seal (24) being disposed on the inboard side of the seal assembly (22) between the sealed gaseous product and the chamber (28), an inlet (38) opening to the side of the gas seal (24) exposed to the gaseous product, the inlet (38) being connected to a supply of clean gas, the chamber (38) defined between the seals (24,26) being connected to a reservoir (50), the reservoir (50) being connected back to inlet (38) via a pressure intensifier (70) and the reservoir (50) being connected to the supply of clean gas, so that additional clean gas may be supplied thereto, when pressure in the reservoir (50) falls below a predetermined minimum value.

Abstract: A gasdynamic arrangement for a multi-stage centrifugal turbomachine, such as a two-stage compressor, comprising two coaxial impellers assembled on a common shaft with axial intake ports and radial peripheral discharge zones, the intake ports of the two impellers preferably pointing away from each other; a cylindrical vessel concentrically housing the impellers and the intake duct; a partition wall between the two impellers having a first and a second group of apertures; a first array of curved ducts conveying the flow from the first impeller discharge zone to the first group of apertures in the partition wall, the flow further passing through a chamber in the vessel to the intake port of the second impeller, and a second array of curved ducts conveying the flow from the second impeller discharge zone to the second group of apertures in the partition wall, the flow further going to the discharge port, the two flows bypassing each other in opposing directions at the partition wall.

Abstract: A system for connecting a low-pressure jet (12) to a transition duct (149 in a gas turbine, in which the said low-pressure jets (12) are arranged in sectors of two or three stator blades and are filled on to the ring of the jets. The platforms (11) of the jets (12) are provided with a channel (13) inside which the transition duct (14) is positioned by means of an edge (15). Furthermore, centring between the transition duct (14) and the ring of the jets (12) is achieved directly using centring means at three or more points on the rings of the jets (12).

Abstract: A bleed case assembly is provided comprising an annular outer case and an inner case. The inner case comprises an annular shroud portion having a radially outer surface opposite a radially inner surface, and a generally planar flange extending radially outwardly from the radially outer surface. The flange includes a circumferential array of bleed openings formed therethrough. The flange is attached to the outer case so as to reduce the thermal response of the inner case.

Abstract: The invention concerns a vacuum generating device wherein the vacuum pump body (1) comprises cavities forming regulating chambers (12), closed at their ends by closure means such as sealing plugs (26, 27), and run through by an exchange pipe (14) wherein flows a liquid coolant coming from a heat source. The regulating chamber (12) is connected by a pipe wherein thermal conduction liquid (16) flows to a reserve of thermal conduction liquid (17) which through a piston (18) stressed by an actuator (19), adjusts the upper level (22) of a thermal conduction liquid (15) in the regulating chamber (12), thereby modifying the thermal conductance between the pump body (1) and the liquid coolant flowing in the exchange pipe (14). Thus the risk of scale deposit is reduced in the exchange pipe (14) of a vacuum pump (1), while controlling the temperature of the pump body (1).

Abstract: A fan blade configuration for use with a fan in an engine driven generator is disclosed. The invention includes a plurality of fan blade segments fixed to a hub at one end of a rotary shaft. Upon transmission of a driving force to the rotary shaft, the fan blades and hub are rotated to cool the engine driven generator. The fan blades are arranged to extend away from the rotating shaft, and each have a plurality of fins and protrusions molded on opposite sides of the fan blade segments. The fan blade configuration also includes a flexible plate to bias the fan blades against the hub and stabilize the fan blades during rotation.

Abstract: A gas turbine capable of minimizing the clearance between each of the rotor blades and partition ring, uses a structure in which the upstream thermally insulating ring is installed on the downstream blade ring.

Abstract: There is provided a nuclear power station primary pump of the type comprising a drive shaft for rotating a wheel, a heat exchanger, a thermal barrier cover comprising a peripheral skirt provided at its base with a circular end wall, and a diffuser comprising a peripheral skirt provided at its base with a rim. The circular end wall co-operates with the base of the heat exchanger to define a bottom chamber for cold water and includes a central bore provided with a succession of circumferential and superposed rings forming a lip seal of the labyrinth type, and a space is formed between the thermal barrier cover and the diffuser to maintain stagnant cooling fluid.

Abstract: A turbine motor of the present invention includes a noise reduction system. The turbine motor includes a housing, a motor, a cooling fan, an air intake assembly, an exhaust assembly, an air intake motor cover assembly and a conduit. The motor is positioned in the housing and the motor has an air intake. The cooling fan is attached to the motor and is for cooling it. The air intake assembly is proximate to the cooling fan and is attached to the housing. The exhaust assembly is proximate to the cooling fan and is attached to the housing. The air intake motor cover assembly is proximate to the air intake on the motor and is attached to the housing. The conduit extends between the air intake assembly and the air intake motor cover.

Abstract: A stage of turbine blades (40) in a gas turbine engine (10) is surrounded by an array of shroud segments (42). The upstream ends of the segments (42) have plenum chambers (54) into which cooling air is fed from a compressor (12) via one hole (66) of a pair of holes, the other being numbered (68). Air from the plenum chambers (54) passes out to film cool the interior surface of each respective segment (42). Air from holes (68) passes out to convection cool the exterior surface of each segment (42), which effect is enhanced by the provision of ribs (80) and fences (82).

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 equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attached thereto, the dispenser affixed to the shaft for rotation therewith. Centrifugal force created by rotation of the shaft to which the dispensing blades are attached causes the blades to extend radially outward from the shaft center during operation so as to dispense the lubricant throughout a lubricating or misting chamber in order to lubricate the adjacent bearings. The system is also advantageous in that the blades are permitted to pivot or flap downward toward the shaft in either direction so that the dispenser may be more easily inserted into the misting chamber during manufacturing of the device or replacement of the lubricating system.