Abstract: A vertical turbine pump comprises an assembly including a rotatable pump shaft, an impeller, and an impeller bowl. The assembly is removably mounted in a fluid flow diverter that directs fluid at a right angle to the axis of rotation of the pump shaft then to a path parallel to the axis of rotation of the pump shaft.

Abstract: A pitot pump assembly including a rotating drum 12 having a central bore 14 and a cavity 20 between its two axial ends and at least one radially extending opening 22. A stationary shaft 24 is inserted within the bore 14 and includes a plurality of fluid passages 26. The shaft 24 has one or more bearing surfaces 28 and sealing surfaces 30 between the shaft 24 and the rotating drum 12. A unitary pitot sub-assembly 32 is inserted through the radial opening 22 of the rotating drum 12 and has one or more radially extending pitot tubes 36 in which to receive fluid from within the cavity 20 of the rotating drum 12. A sleeve 48 is disposed on the rotating drum 12 for sealing the opening(s) 22 and an outer housing 52 is secured to the stationary shaft 24 and encases the rotating drum 12.

Abstract: A fuel drain system for use in a fuel pump for an aircraft fuel tank or the like which includes a housing and a pump cartridge positionable in the housing for removal therefrom. A drain plug is removably mounted on and projects from the pump cartridge for draining residual fuel from the cartridge prior to removal of the cartridge from the housing. A stop is located in a path of movement of the projecting drain plug to prevent removal of the pump cartridge from the housing unless the drain plug is removed from the pump cartridge. This provides for verification that the main inlet closure to the fuel pump has been closed and, thus, prevents massive fuel leakage.

Abstract: A method and apparatus for balancing a turbine rotor (10) is disclosed. The invention utilizes an existing equilibrium pipe (17) in the turbine, and changes the structure of the turbine in such a manner that the pipe (17) can be extended with a sleeve (17a), so that a linear passageway (21) is created from the turbine rotor (10), at a point where the rotor is to be balanced (11), to the exterior of the turbine (20). The sleeve (17a) is capped and plugged during operation of the rotor (10). To insert a balancing weight (25), the sleeve (17a) is uncapped and unplugged and the weight (25) is passed through the sleeve (17a) and positioned within the rotor (10).

Abstract: A fluid driven downhole apparatus is disclosed for pumping a fluid, such as crude oil, from a well in which a housing contains a twin rotor screw type positive displacement motor and a twin rotor screw type positive displacement pump and the screw rotors of said pump and motor are mounted on a pair of common parallel shafts.

Abstract: An improved bearing assembly for use with motors having shaft extensions connected to associated machinery is disclosed wherein the shaft extension bearing may be accessed and replaced from inside the motor without removal of the associated machinery from the shaft extension.

Abstract: In order to reduce the overall dimensions of the housing of a turbine which forms a vital part of an exhaust gas powered supercharger (viz., turbocharger), the opening in which a cover member is mounted, is rendered eccentric with respect to the axis of rotation of the turbine impeller in a manner that diameter of the opening can be reduced while still maintaining a surface within the housing which must be precision machined, sufficiently within the shadow of the eccentric opening as to be readily visible and thus permit ready production and assembly of a capacity varying nozzle arrangement which forms a vital part of the device. By reducing the diameter of the opening, the diameter of the cover and the degree to which attachment flanges on the housing and cover extend out from the housing can be notably reduced.

Abstract: A slurry pump suction side liner with replaceable components is provided utilizing separate suction port assembly, wear ring assembly, wear plate assembly and backing plate assembly components connected together to form a rigid suction side liner for directing a slurry into an impeller inlet. A replaceable annular wear ring having a first wear resistant surface facing the inlet axis and a second wear resistant surface at right angles to the inlet axis is provided to maintain a predetermined gap between gap between the impeller and replaceable wear ring to prevent slurry flow between the impeller and suction side liner assembly. An annular wear plate assembly having a wear resistant surface flush with the second wear resistant surface on the wear ring assembly is also provided to extend the gap radially outward from the wear ring, which is positioned between a suction port and the impeller.

Abstract: An apparatus for removing debris from a turbomachine. The apparatus includes housing and remotely operable viewing and grappling mechanisms for the purpose of locating and removing debris lodged between adjacent blades in a turbomachine.

Abstract: A centrifugal fan having a tubular housing in which an inlet funnel and fan assembly are contained. The fan assembly includes a fan wheel with the fan wheel inlet and inlet funnel overlapping during normal fan operation. A motor is connected to drive the fan wheel and a door is provided for access to the inside of the housing, the fan wheel assembly and motor being supported by the door for movement therewith. Within the present invention, the door further supports the inlet funnel in overlapping relation with the fan wheel inlet for movement with the door, fan wheel assembly and motor without alteration of the overlapping relation.

Abstract: A vehicle water pump includes a unit handled assembly comprising a bearing housing, pump housing, and annular wear face sealing element, all made of suitable steels and alignable relative to one another at a common, accessible juncture of three circular edges. The components can thus all be welded together to give an easily handled unit, and the metal wear face has a much improved alignment, life and running temperature, as compared to a conventional ceramic wear face.

Abstract: A discharge ring supporting structure of an adjustable-blade axial-flow turbine comprises upper and lower halves separated along a horizontal plane passing through the central axis of the discharge ring. The lower half of the discharge ring is supported by a plurality of supporting columns, each having upper and lower supporting members. The upper supporting members are detachably connected between the lower half of the discharge ring and the lower supporting member. When it is desired to remove the runner, the discharge ring is separated into the upper and lower halves, and the upper supporting members of the supporting columns are removed so that the discharge ring can be lowered. Lowering of the discharge ring allows the runner to be lowered and then removed axially without the runner blades contacting the discharge ring. The upper supporting members of the discharge ring supporting columns are provided with a vibration damper for damping vibration in the discharge ring.

Abstract: A pump arrangement comprises a housing, a rotary impeller in the housing, an input shaft coupled to the rotary impeller for connection to a drive shaft, a mechanical seal having engaging surfaces for sealing between said input shaft and said housing, and a disengaging device operable to disengage said surfaces. The invention is particularly applicable to fire pumps.

Abstract: A fan casing of a turbofan gas turbine engine has a slot which extends generally in a circumferential direction and which has an aerofoil section. A variable pitch fan blade may be removed from the turbofan by rotating the fan blade about its axis of rotation to fine pitch setting, and rotating the fan rotor so as to align the tip of the fan blade with the slot. The fan blade is detached from the fan rotor and the tip of the fan blade is inserted radially into the slot. The root portion of the fan blade is then moved in a radially outwards and axial direction to remove the fan blade. The slot in the casing allows the fan blade to be loaded by the reverse procedure. Loading/unloading of a fan blade is made possible without removing the fan casing.

Abstract: Centrifugal pipeline pumps for crude oil and other hydrocarbon liquids are provided with removable cover members between the seal housing portions of the pump casing and the outboard bearing housing portions of the pump, which cover members have vapor adsorption filters supported thereon and in fluid flow communication with the pump fluid leakage collection spaces formed between the pump shaft seal housings and the pump shaft bearing housings. The cover members and vapor adsorption units may be easily removed from the pump casing in assembly to provide access to the pump shaft seals for inspection or repair.

Abstract: A centrifugal compressor of the type in which disassembly and assembly of the compressor is effected by taking out and inserting internal component parts including end walls for closing ends of a cylindrical rotor chamber wall from and into a cylindrical rotor chamber in the axial direction thereof, including intake chamber side communication holes communicating with an intake chamber formed within the cylindrical rotor chamber and a propelling force balance chamber side communication hole communicating with a propelling force balance chamber formed within the cylindrical rotor chamber. The intake chamber side communication holes are formed in the internal component part and in the cylindrical rotor chamber wall, respectively.

Abstract: A multistage hydraulic machine is vertically positioned within a pit. The main shaft of the machine is divided into an upper main shaft and a lower main shaft at the location of the lowest pressure stage runner. A side path is provided laterally from the pit so that the lowest pressure stage runner and lower main shaft can be installed and removed through the side path.

Abstract: The invention concerns a pump, especially of the multicellular vertical type, in which the hydraulic and mechanical elements are contained within a cartridge that allows an overall intervention upon the pump in order to change the said mechanical and hydraulic elements.

Abstract: A mechanism is disclosed for use in permitting inspection and/or replacement of a seal chamber bushing of a centrifugal or axial flow pump at a point of pump installation and without necessitating disassembly of the pump rotating assembly. The mechanism includes a bushing holder, which is removably fitted within a pump shaft access or receiving opening extending through a pump backplate or stuffing box cover; and a gland or seal chamber housing, which is removably mounted on the backplate and releasably coupled to the bushing holder in a manner facilitating removal of the latter from within the pump shaft access opening.

Abstract: An improved seal for a generally cylindrical pump case provides an internal seal between the case and the head for preventing the flow of fluid between them. The improved seal includes a flexible annular responsive means attached or unattached to the head and carrying a resilient annular seal member. Increasing pressure within the pump case forces the flexible annular pressure responsive means into engagement against the interior surface of the case preventing extrusion of the resilient annular seal member when the case is pressurized, thus providing a more efficient fluid tight seal.

Abstract: A forage blower having an upwardly extending, tangential blower outlet transition member which is hinged along one of its sides so as to be swung laterally to thereby expose the inside of the blower housing. By swinging the outlet member laterally, only a very small clearance is required between the upper end of the outlet member and the lower end of the conveying pipe which conveys the material to the top of the silo. The upper end of the outlet member has an upwardly extending lip which facilitates the connection between the upper end of the outlet member and the lower end of the conveying pipe. The hinge arrangement between the transition member and the blower housing is such that the hinge is mounted on and supported by the rim sheet bracket.

Abstract: A hot gas centrifugal fan is constructed with a scroll part comprising spaced-apart walls 16 and 18 to define a hot gas passage 22 therebetween to which hot gas is conveyed when the fan is in a non-operating condition to hold the fan temperature sufficiently high to avoid unacceptable vibration brought on by thermal distortion of the fan wheel upon a re-start of the fan.

Abstract: A method for assembling a single-flow turbomolecular vacuum pump and a turbomolecular vacuum pump assembled by a method wherein the pump rotor, rotor shaft, antifriction bearings and motor armature are first assembled to form a unit, balanced outside of the pump casing, and thereafter introduced as a unit into the pump casing and mounted therein.

Abstract: A plug for boroscope access hole located in the turbine section viewing from the outside the internal parts of the engine by cooperating holes formed in concentric casings characterized as free floating and sealing the attendant opening in an axial and radial direction.

Abstract: A turbine installation comprises flow passage-defining means defining an inlet chamber and a runner chamber and including two juxtaposed interconnecting passages which connect the inlet chamber and the runner chamber and are disposed on opposite sides of an axial center plane, and spaced apart in an intermediate part of their length, a turbine runner rotatably mounted in said runner chamber, an electric generator disposed outside the flow passage-defining means, and an output mechanism extending through the space between the two interconnecting passages, and operatively connecting the runner to the generator.

Abstract: A counterweight link rod incorporates a counterweight lifting lug to provide a safe and easily usable means to lift a counterweight during erection or maintenance for positioning it with respect to a connection point with the wicket gate operating ring. The arrangement also provides a readily available permanent means for attaching an overhead crane hook to the wicket gate operating ring for stroking the gates during erection or maintenance. The arrangement also provides a means for operating the wicket gate operating ring when the operating ring servo-motors fail.

Abstract: An exhaust fan with a motor for driving rotatable fan blades, a case for mounting and surrounding a motor supporting frame, and a face cover detachably mounted on the case, the cover and case having portions for engagement with each other for limiting movement of the cover to a predetermined distance by engaging each other when the cover becomes disengaged from the case.

Abstract: A method of transferring flowable concrete containing aggregate to a desired location at substantially constant rate without sharp variations in pressure and a power driven pump that may be used to carry out the method. The pump requires no valves, is highly abrasive resistant, has a high constant flow rate discharge due to not operating intermittently, and subjects the conduit or hose through which the concrete discharges to a minimum of strain as the concrete flows at a substantially constant rate therethrough with no sharp variations in pressure, and with minimum frictional resistance.

Abstract: A runner liner of fluid machine which can be attached and detached to and from the runner of the fluid machine without necessitating the disassembling of the latter. The runner liner can be fitted to a groove which is formed in the periphery of the runner, and is divided into a plurality of segments each of which being so sized that it can be brought into the runner chamber through anyone of the fluid passages coming into and out of the runner chamber. The attaching of the runner liner to the periphery of the runner is made by making use of pockets formed in the head cover and the bottom cover which in combination define the runner chamber.

Abstract: A fan assembly, which includes a centrifugal-type fan wheel mounted for rotation in, e.g., a scroll-like fan casing or a tubular fan casing is provided with a retractable fan inlet funnel which may be selectively positioned relative to the fan wheel between an extended position and a retracted position. In the extended position, the inlet funnel axially overlaps the inlet side of the fan wheel with substantially all the inlet air being directed into the fan wheel. In the retracted position, the inlet funnel is spaced away from the fan wheel to permit a portion of the fan wheel outlet air to recirculate to the inlet side of the fan wheel. Fan performance characteristics including the static pressure, the volume flow rate, the selection of a stable air flow operating point, and the fan wheel power requirements are conveniently and advantageously controlled by adjusting the inlet funnel position.

Abstract: A fabricated split pump casing is disclosed in which the suction chamber and discharge chamber are both on the same side of the casing section. The volute is fabricated from a plurality of sections with the minor section of the volute being located within the suction chamber thereby providing maximum suction chamber area.

Abstract: A gas-handling apparatus includes a housing enclosure having an inlet port and an outlet port which are connected by a duct and blower assembly, wherein the blower assembly draws a gaseous substance from a room or enclosed area and transfers this gaseous substance to another area, such as to the atmosphere. The blower assembly includes a cylindrical arrangement of fan blades attached to a drive shaft which is bearingly supported by a tubular column. This tubular column is rigidly attached to the housing enclosure. The tubular column and drive shaft extend internal to the arrangement of fan blades and the drive shaft is bearingly supported at this internal location. A drive motor is mechanically coupled to the drive shaft in order to rotate the arrangement of fan blades. One end of the duct is attached to the inlet port while the other end of the duct is attached to a duct coupling. This duct coupling serves as an interface between the duct and a tapered shroud member located at one end of the blower assembly.

Abstract: A power plant for the generation of electricity from the flow of water currents uses turbine wheels within nozzles submerged in the water current, anchored to the bottom of the water course, as for example, the ocean, and self-buoyed to a level well below the water surface. Pairs of counter-rotating turbines are supported by their rims, which bear against friction drive wheels, which in turn drive electrical generators contained in water-tight machine rooms within the wall of the nozzle. A structural design is disclosed, providing for the building of modules of the nozzle ashore, which modules may then be barged to the deep-water site for assembly into the whole power plant.

Abstract: An improved fluid propulsion apparatus of the type including a housing and a plurality of spaced apart discs rotatably mounted on a shaft and positioned within the housing. The housing includes a circumferential peripheral zone, defined as the region between the interior of the housing and the periphery of the discs, and further includes inlet and outlet ports each in communication with the interior of the housing. The apparatus may be utilized as a liquid pump, liquid ring pump, vacuum pump, air compressor or blower, mixer or blender, and as a turbine. During operation as a pump, the shaft and discs are rotated within the housing and fluid enters the port at a center port of the housing, flows in an outwardly spiraling path between the discs within the housing, and continues to flow into the peripheral zone from which it is removed through a port or ports at the periphery of the housing, such as through a pitot-like fluid flow path.

Abstract: A centrifugal blower assembly including a blower wheel rotatably journaled within a housing on easily fabricated low-cost rotor support braces which are designed to provide rigid versatile structures which may be combined with an especially configured blower housing to improve serviceability of the assembly.

Abstract: A housing structure for a steam turbine includes inner and outer housings and a hinged portion of one of those housings is structured for being lowered or raised into a horizontal plane to serve as a working platform to facilitate servicing. The hinged housing portion includes a hinged upstanding rim to prevent tools from sliding off and a protective railing is secured to the rim.

Abstract: An openable rotor chamber structure for a vertical blower which is disposed on a floor provided within the base section of a smokestack or the like to exhaust smoke within a flue and discharge the same up the stack. The rotor chamber structure has a rotor chamber divided into two equal longitudinally extending portions which can be coupled or separated at a transverse dividing plane including the axis of the chamber, the respective parts of the blower being mounted on one of the two casing portions. A support frame is rotatably anchored on the floor by pins and the casing portion on which the parts of the blower are mounted is fixedly secured thereto. A mechanism is provided for moving the other of the two casing portions on which the members of the blower are not mounted in a horizontal direction.

Abstract: A current power plant including a shaft mounted turbine wheel for employment in water current, a housing adjacent said impellar and to which the shaft extends, a ramp positioned on the upstream side of said impellar, a frame on which the turbine wheel is mounted, which frame means is mounted by rollers on a tract such that the impellar and frame may be rolled on the tracks inside the housing, whereafter doors are closed, and water around the turbine wheel may be pumped out to facilitate turbine repair.

Abstract: A composite horizontally split casing includes an inlet end having upper and lower cast inlet end sections, an outlet end having upper and lower cast outlet end sections, and separable upper and lower semi-cylindrical shell sections extending axially between the inlet and outlet ends. The upper semi-cylindrical shell section is welded at opposite ends respectively to the upper inlet and outlet end sections to form an upper casing half. The lower semi-cylindrical shell section is likewise welded at opposite ends respectively to the lower inlet and outlet end sections to form a lower casing half. External bolting flanges on the upper and lower casing halves provide the means by which the upper casing half is mounted on the lower casing half.

Abstract: A nacelle for use with a gas turbine engine is provided with an integral webbed structure resembling a spoked wheel for rigidly interconnecting the nacelle and engine. The nacelle is entirely supported in its spacial relationship with the engine by means of the webbed structure. The inner surface of the nacelle defines the outer limits of the engine motive fluid flow annulus while the outer surface of the nacelle defines a streamlined envelope for the engine.

Abstract: A pump wherein the parts of the casing forming, together with the partitions and sealing members, chambers for the accommodation of impellers mounted in a counteropposed manner on a shaft, are interconnected in the plane perpendicular to the rotation axis of the impellers by a clamp. The clamp consists of two parts with the joining plane passing through the rotation axis of the impellers and the clamp has circular collars at the edges, the collars entering circular recesses provided in flanges located on the opposite sides of the casing parts. The clamp is adapted for compressing the sealing members while the clamp parts are being brought together.

Abstract: Apparatus for housing a centrifugal fan and providing an enclosure for coupling into a ducting network, wherein the fan and driving motor is mounted on a honeycomb-style base which is slidable into and out of the enclosure, and which has an angled edge lip for engaging against a mating edge lip on the enclosure for providing a hinge means for pivotally supporting the fan and motor assembly.

Abstract: A cranking apparatus comprising a shaft within a sleeve for insertion into a machine casing containing a rotor. The shaft carries a friction wheel for tangentially engaging a circular surface on the rotor, so that when the shaft is rotated the rotor will be cranked. The shaft may be angularly adjusted with respect to the rotor axis, and the friction wheel resiliently urged against the rotor surface. The sleeve may carry a revolution counter engaging the shaft.

Abstract: A fan housing assembly for an exhaust fan is provided with an orifice pan which can be securely but removably snapped in place to close an open face of the fan housing and provide a means of supporting a ventilating grille.

Abstract: A centrifugal pump, particularly for liquid fertilizer, whose casing has a central cavity housing an impeller in cantilever attachment to the end portion of a drive shaft. This drive shaft end portion forms a socket engaging the free end of the main drive shaft and is fixed thereto by retractable means.

Abstract: A motor mounting element of an aquarium pump mounts the pump motor and nests over the pump housing to position the motor over the housing and hold the housing together. Locking lugs on the motor mounting element orient the assembled parts of the housing to position the pump outlet in a desired direction.

Abstract: A modular sump pump assembly is disclosed that consists of three components--a base module, a power module and a switch module. The base module includes the pump casing and is adapted to be connected to the piping that is utilized for discharging the liquid from the sump. The power module, which comprises the pump impeller, the motor, the connecting drive shaft and related parts can be inserted at the pump impeller end into and removed from the base module by means of a bayonet-type joint so that servicing of the power module can be performed merely by twisting the power module relative to the base module to disconnect the bayonet-type joint, after which the power module can be lifted from the sump. The switch module is connected to the power module so that it also can be serviced merely by removal of the power module from the base module and then, if desired, disconnected from the power module.

Abstract: In this compressor stator having a housing in one piece a circumferential groove having a radially inner part of reduced width is formed for each stage in the wall of the cavity of the housing and communicates with the exterior of the housing by way of at least one radial opening having sufficient size to provide a passage for a vane base. The vane bases are disposed in a contiguous fashion in the groove and are radially supported by said inner part of the latter. A chain surrounds all the bases and bears radially against each one thereof.

Abstract: A stator for turbomachines and especially multistage axial compressors is ovided with stationary vanes having peripheral heels secured to a casing. The casing is constituted by a series of coaxial cylindrical annular sections between which are formed annular spaces for inserting and guiding the heels. The sections are rigidly fixed to ring-shaped peripheral webs or flanges which are secured to each other by means of radial longitudinal ribs.

Abstract: An axial flow compressor or turbine includes a stator case with a plug which is removable from outside the case, together with one or more stator vanes attached to the plug, to provide access to an adjacent part of the rotor. Such access may be used to add balance weights to the rotor as part of a rotor balancing procedure, or for inspection of rotor blades.