A steam assisted gravity drainage process that includes the addition of oxygen for recovering hydrocarbons from a hydrocarbon reservoir is described. Steam and an oxygen-containing gas are separately and continuously injected into the hydrocarbon reservoir to heat hydrocarbons and water to drain, by gravity, to a horizontal production well. The process can include controlling the ratio of oxygen and steam from about 0.05 to about 1.00 (v/v). The steam assisted gravity drainage process can further include removing non-condensable combustion gases from the reservoir to avoid undesirable pressures in the reservoir. The non-condensable combustion gases can be removed from the reservoir by at least one separate vent-gas well.

A tensioning assembly having a drive pulley, a tension pulley and a tension adjustment system is provided. The drive pulley has a first drive pulley channel and a second drive pulley channel. The tension pulley has a first tension pulley channel and a second tension pulley channel. The second tension pulley channel is aligned with the first drive pulley channel. The first drive pulley channel and the second drive pulley channel of the drive pulley and the first tension pulley channel and a second tension pulley channel of the tension pulley are configured and arranged to engage and route an endless looped member. The tension adjustment system is coupled to adjust the distance between the drive pulley and the tension pulley to adjust the tension in the endless looped member in relation to the drive pulley.

An assembly includes a motor; a second motor; a planetary transmission coupled to the motor and the second motor, and a spool coupled to the transmission. The spool has an interior volume for receiving the motor, the second motor and the transmission, and the motor and the second motor are disposed or disposable entirely within the spool. The motor and the second motor are capable of being operated such that one of the motors is speed controlled, and the other motor is torque controlled.

A hoist spooling assembly for spooling a cable about a drum while preventing relative movement between the cable and the drum. The hoist spooling assembly evenly delivers force from a roller to the cable while reducing the incidence of spooling problems, including mechanical wear of the cable and formation of loops and kinks in the cable.

Assembly and method for making up and/or caring for keratin material, the assembly containing: at least one composition containing platelet-shaped particles, at least one nonionic surfactant and/or at least one ionic surfactant and/or at least one polymeric surfactant, or at least one fatty-phase rheological agent, andat least one applicator having an application member and a vibrating source for making the application member vibrate.

A disposable mini-toothbrush comprises a brush and flosser head positioned at a first and second end of a handle portion. The brush head is comprised of a plurality of bristles that extend in opposite directions from a bristle supporting element. The plurality of bristles which extend in opposite directions facilitate cleaning of the upper and lower teeth without having to readjust grip by a user. The mini-toothbrush also comprises a first and second flat grip element to facilitate manipulation of the brush and flosser head while using only a thumb and at least one finger by the user. In its preferred embodiment, the plurality of bristles will be coated with dentifrice for cleaning is of the user's teeth and gums. A thin plastic cover surrounds and seals the toothbrush and provides a seal which maintains sterility during shipping and storage.

A system for preparing a pre-assembled hanger support. The system includes a bending tool operable to form a bight in the distal end of a structural wire, the bight having a transverse tail extending away from the shaft of the structural wire. The system also includes a wrapping tool having a drive rotor with a clip attachment interface that removably supports a hanger clip and provides selective rotation of the hanger clip and the structural wire, a wire support brace that supports the shaft of the structural wire in substantial alignment with the axis of rotation of the drive rotor, and a tail stop positioned to restrain the rotation of the transverse tail. The hanger clip is supported about the structural wire and positioned within the bight, and together the hanger clip and structural wire are installed onto the clip attachment interface, so that selective rotation of the drive rotor rotates the hanger clip and shaft of the structural wire causing the restrained transverse tail to wrap around the shaft and secure the hanger clip within an eyelet formed in the structural wire, thereby forming the pre-assembled hanger support.

An assembly for moving wire from one point to a second point distant from the first point. The assembly comprises a first unit comprising a wire straightener and a second unit that moves the wire through the assembly.

A hoisting assembly for lifting or lowering a heavy object includes an upper fixed block, an upper movable block being suspended from the upper fixed block by at least one first rope which is reeved into one or more first rope lengths between the upper fixed block and the upper movable block, a lower movable block being connected to the upper movable block by at least one second rope which is reeved into one or more second rope lengths between the upper fixed block and the upper movable block. The first and second ropes are reeved in such a way that in use the upper movable block can be positioned at a distance greater than zero from the upper fixed block and at a distance greater than zero from the lower movable block by controlling the lengths of the first and second ropes.

A ballast assembly for a work vehicle includes a ballast weight having a central groove. Two pairs of coupling pins extend across the central groove. A pair of support rods are attached to an underside of a frame part of the vehicle. The assembly also includes a pair of ballast bracket, each of which is releasably coupled to a corresponding pair of the coupling pins. The assembly also includes a pair of links, each having an end pivotally coupled to a corresponding ballast bracket, and having a body with a slot which slidably receives a corresponding support rod. A hydraulic cylinder has a first end pivotally coupled to one of the links and a second end pivotally coupled to the frame part. Each ballast bracket includes a latch member which releasably holds the ballast bracket to the corresponding pair of coupling pins.

A counterweight block apparatus includes a pair of interconnecting counterweight blocks having top and bottom surfaces, the counterweight blocks forming a plane of interconnection along adjacent sides thereof; and a shear bar releasably secured between the adjacent sides of the interconnecting counterweight blocks, generally perpendicular to the plane of interconnection, to provide resistance to relative vertical movement of the interconnecting counterweight blocks along the plane of interconnection. In another aspect, each counterweight block includes in at least one side thereof an indentation from a top of the counterweight block to a depth more shallow than the thickness of the counterweight block, the indentation defining a lip for hand grabbing. An aperture may be formed through the rest of the thickness of the counterweigh block at each indentation, wherein a securing strap can be run through each aperture of a stacked plurality of counterweight blocks to secure them to each other.

A crane assembly includes a main body, a boom extending from the main body, a cable, and a hook coupled to an end of the boom opposite to the main body by the cable, where the crane assembly is configured for lifting items via the hook. The crane assembly further includes a projection extending outward from the boom and curving toward the main body. The projection is configured to receive the hook over an end of the projection such that tension in the cable maintains the hook in place on the projection. Gravity is sufficient to release the hook from the projection when the boom is raised and the tension in the cable is released.

A valve assembly (10) is to be used in conjunction with a tubular member having an internal surface surrounding a passage into which the valve assembly is to be sealingly inserted. The valve assembly includes a tubular body (25) having a longitudinal passage and an outer surface to be located adjacent the internal surface. A seal (29) is mounted on the outer surface to engage the internal surface to sealingly connect the tubular body with the tubular member. A movable valve member (33) is movable between an open position providing for the flow of water from an upstream end to a downstream end of the passage of the tubular body and a closed position closing the passage. Resilient means, such as a spring (34) urges the valve member to the closed position. The resilient means is configured to provide for displacement of the valve member toward the open position when pressure beyond a predetermined pressure is applied upon the movable valve member.

In one featured embodiment, a spring assembly for a valve comprises a spring, a spring seat including a cup-shaped portion for seating one end of the spring, and a ball received within a recess formed within the cup-shaped portion of the spring seat. The ball is defined by a ball diameter. A disc prevents the ball from contacting a piston. The disc is defined by an outer diameter and includes a center opening defined by an inner diameter. A ratio of the inner diameter to the ball diameter is between 0.60 and 0.65.

A three-dimensional preform, composite components formed with the preform, and processes for producing the preform and composite materials. The three-dimensional preform includes first and second sets of tows containing filaments. Each tow of the first set has a predetermined polygonal cross-sectional shape and is embedded within a temporary matrix. The preform is fabricated from the first and second sets of tows, in which the second set of tows are transverse to the first set of tows, adjacent tows of the second set are spaced apart to define interstitial regions therebetween, and the polygonal cross-sectional shapes of the first set of tows are substantially congruent to the cross-sectional shapes of the interstitial regions so as to substantially fill the interstitial regions.

An assembly for molding and demolding hardened cementitious products comprises a flexible mold and a demolding apparatus. The flexible mold has a top side with separate openings for receiving cementitious material therein for hardening thereof, an opposite closed rear side and a perimeter. The apparatus for demolding the hardened cementitious products from the flexible mold comprises a conveyor, a holding member, a clamp, and a movable member. The conveyor conveys the flexible mold. The clamp grips a portion of the perimeter. The holding member engages the mold. The movable member moves the clamp and the clamped portion of the mold about the holding member thereby disengaging the flexible mold from the cementitious material.

An adjustable thermal die assembly is provided. The thermal die assembly includes a thermal forming die and at least one insert. The thermal forming die has at least one die cavity of a select shape. The die further has at least one opening to the at least one die cavity. The at least one insert has at least one internal passage that is conformed to have a shape of the at least one opening to the at least one die cavity of the die. Moreover, the at least one insert is configured and arranged to be selectively coupled to the die with the at least one internal passage of the at least one insert aligning with the at least one opening of the at least one die cavity to selectively increase a depth of a forming cavity of the thermal forming assembly.

A rifle bow assembly is disclosed herein. The rifle bow assembly includes: an outer barrel slide subassembly having an elongate cavity, the outer barrel slide subassembly configured to be attached to a bow assembly; a projectile barrel subassembly having a first end and a second end, the projectile barrel subassembly configured to be slidingly received within the elongate cavity of the outer barrel slide subassembly, and the projectile barrel subassembly having a helical projectile passageway extending in a lengthwise direction thereof; a magazine subassembly coupled to the second end of the projectile barrel subassembly, and having attachment means for securing a projectile magazine thereto; and a release subassembly coupled to an end portion of the magazine subassembly, the release subassembly including at least one string release mechanism for releasably engaging a bow string of the bow assembly. A rifle bow, which incorporates the rifle bow assembly, is also disclosed herein.

A face-driver assembly and method for accurate coupling of a face driver with the spindle of a rotary-drive machining device. The assembly includes a face driver, a hub on the spindle defining a prealignment bore, a pair of self-centering coacting tooth sets on the hub and face driver, an engagement post extending into the hub and forming a prealignment shaft closely complementary to the prealignment bore, and a releasable coupling to hold and draw the engagement post rearwardly and thereby join the tooth sets in a manner facilitating final accurate centering.

A tailstock assembly mountable on a machine tool and cooperable with a headstock assembly for retaining a workpiece inbetween.

Cutting assemblies are disclosed that include an entrance portion and a receiving portion, with the receiving portion defining a receiving opening configured to be axially aligned with an entrance opening of the entrance portion when mounted to the surface of a cutting apparatus. Cutting assemblies are also provided that include a material carriage configured to be borne by a cutting apparatus. Cutting assemblies that include a material receiving portion configured to be slidably mounted to a surface of a cutting apparatus are also disclosed. Cutting methods are also disclosed that can include rotating a piece of material around the materials longitudinal axis and delivering the material to a cutting tool while the longitudinal axis of the material is aligned substantially opposite the direction of rotation of the cutting tool.

Cutting assemblies are disclosed that include an entrance portion and a receiving portion, with the receiving portion defining a receiving opening configured to be axially aligned with an entrance opening of the entrance portion when mounted to the surface of a cutting apparatus. Cutting assemblies are also provided that include a material carriage configured to be borne by a cutting apparatus. Cutting assemblies that include a material receiving portion configured to be slidably mounted to a surface of a cutting apparatus are also disclosed. Cutting methods are also disclosed that can include rotating a piece of material around the materials longitudinal axis and delivering the material to a cutting tool while the longitudinal axis of the material is aligned substantially opposite the direction of rotation of the cutting tool.

An LED assembly includes a rail device, an LED carrier with multiple LEDs securely mounted on the LED carrier and a wire extended out of the LED carrier from providing electricity to the LEDs and a plug device provided to two distal ends of the LED carrier and sandwiched in the rail device. The plug device has a passage defined in one distal end thereof to allow the wire to extend out of the plug device and a positioning seat is sandwiched in the rail device and provided to two sides of the plug device and has a receiving space to respectively and securely accommodate therein sides of the plug device.

A portable dispenser assembly for dispensing disinfectant to a user. The assembly includes a main housing defining a cavity for receiving a container in an inverted position. The main housing defines an opening into the cavity through which the container is inserted in the inverted position so that a stem of the container is directed downwardly in the main housing. The main housing including a bottom wall, a side wall, and a nozzle fixed with respect to the walls. The nozzle defines an inlet opposite the opening for receiving the stem of the container in the inverted position and the nozzle defines a discharge aperture configured to direct the disinfectant fluid from the container toward the user when the user depresses the container relative to the main housing to dispense the disinfectant fluid from the container.

A pouring adaptor assembly compatible with multiple bucket lid types includes a pouring tube and a threaded adaptor. The pouring tube includes an opening and an angled proximate end for steadily pouring a liquid. The threaded adaptor includes an inner thread and an outer thread, the two threads for connecting to bucket lid openings of varying widths. The pouring tube includes a tapered lower ridge for snap connecting to a bucket lid having a non-threaded opening.

A dispensing assembly for pourable food or drink products, comprising: a receptacle for accommodating a pourable food or drink product, comprising an opening; and a closure means for closing the opening, comprising a closure member, mounted across the opening, having at least one outlet, and a stop member mounted to confront the outlet, the closure member being resiliently deformable, by the pressing action of a user, from a first condition in which the outlet is spaced from the stop member and the food or drink product may be poured through the outlet to a second condition in which the outlet has been moved inwardly to a position in which it is closed off by the stop member.

A double-chamber vessel for flowable substances having a lateral outer wall with a first chamber enclosed by a first, in particular transparent wall and a second chamber enclosed by a second transparent wall in which the first and second chambers each have an opening which openings end commonly in an opening section of the double-chamber vessel, otherwise they are completely separated from each other, wherein the first chamber is an inner chamber that is enclosed by the second chamber, which is an outer chamber, wherein in planar sections the first wall enclosing the first chamber lies directly against the second wall enclosing the second chamber, at the same time forming the lateral outer wall of the double-chamber vessel, or in the planar sections, the second wall forms the first wall and wherein both chambers have a continuous flow connection to the respective openings.

The present invention provides a container assembly for use with a reusable urn or vessel. The assembly includes a (1) flexible pouch, (2) a fitment connected to the pouch and having a flexible flange and a first fluid passageway therethrough in fluid communication with the chamber, (3) a tubing adapter having a first end connected to the fitment and a second end having a member for connecting to a tubing and a second fluid passageway in fluid communication with the first fluid passageway; and (4) wherein the flexible flange is capable of bending to conform to an interior wall of the urn or vessel to place the second fluid passageway in alignment with an axis of a through hole in the urn or vessel.

A paint can lid assembly having a universal paint cup port member adapted to receive and retain a paint spray cup in an inverted position such that unused paint will drain from the paint spray cup back into the paint can. The paint cup port member has a tubular main body that extends through the upper surface of the mixing lid, the internal bore of the main body being sufficiently sized so as to receive the mating spout of any type or brand of paint spray cup. In a preferred embodiment, the paint cup port member is provided with an annular locking shoulder to better secure paint spray cups possessing retention clip members.

A container assembly for use with a dispenser with a feed tube, the assembly comprising a container; a cap fixed to an opening in the container; the cap having a passageway therethrough to allow, in use, the feed tube of a dispenser to pass through the cap and into the container; the cap including a movable element secured to the cap in a first position prior to first insertion of the feed tube by a deformable support element arranged to deform upon insertion of the feed tube into the cap to free the movable element to be supported, in use, in a second position, by the feed tube to preserve the passageway, the movable element being configured to move, upon removal of the feed tube from the container, to a third position at least partially within the passageway in which replacement of the feed tube through the cap is obstructed.

An improved seed metering wheel assembly is provided to deliver a substantially constant flow of seed to a downstream treating device or the like, without any substantial surging of seeds. The seed metering wheel assembly includes an axially rotatable metering wheel having a plurality of strategically sized and arranged seed metering openings therethrough, arranged in circular arrays of differently sized metering openings. In another embodiment, the seed metering wheel includes a central hub section and an outermost rib, with a series of ribs between the hub section and rim, which lie along respective non-diameter chords. Incoming seed is delivered from a seed hopper outlet by gravitation to the metering wheel, which preferably provides a substantially constant open area while preventing wholly unobstructed flow of seeds.

A snorkel nozzle (10) having a double shell core (16, 26) that defines an annular gap (40) between the shells and that has an array of baffles (66) arranged in the annular gap to define a serpentine flow path for cooling gases that pass through the annular gap.

The present disclosure relates to a component for a railway snow melter. The component includes a mounting plate adapted for connection to a tie duct. The mounting plate defines a point nozzle opening and/or a track duct nozzle. A point nozzle is mounted to the mounting plate at a location above the point nozzle opening. A track duct nozzle is mounted to the mounting plate at a location above the track duct nozzle opening.

A gas turbine engine including a combustor with a combustion liner having inner and outer walls is disclosed herein. The gas turbine engine further includes a swirler system adapted to receive a fuel injector and a flow splitter operable to bifurcate an airflow exiting the swirler system into a first bifurcated flow and a second bifurcated flow. A shroud is positioned downstream of the flow splitter and is configured to deflect the first bifurcated flow in a first direction radially inward and the second bifurcated flow in a second direction radially outward. The second bifurcated flow cools both of the inner and outer walls of the combustor liner.

A method of manufacturing a nozzle assembly may include the step of over molding a nozzle housing, or a portion of a nozzle housing, onto at least one nozzle component, such as an injection tube. Nozzle assemblies and flow cytometers incorporating nozzle assemblies may include any combination of straight smooth injection tubes, improved features for securing a nozzle assembly, improved features for debubbling a nozzle assembly, and aggressive orienting geometries. A method of sorting cells may include the step of magnetically coupling a nozzle assembly with a flow cytometer.

A rotary spray head assembly includes a motor having an output shaft and a housing through which the output shaft at least partially extends. The housing includes an inlet communicable with a source of fluid. The rotary spray head assembly also includes an annular skirt extending from the housing, a passageway through the skirt having a first end in fluid communication with the inlet and a second end, and a hub coupled for co-rotation with the output shaft. The hub includes an annular groove into which the annular skirt at least partially extends, a circumferential interior surface at least partially defining the groove, and an aperture through the circumferential interior surface. Fluid introduced into the annular groove through the second end of the passageway is discharged outwardly through the aperture.

A spray nozzle assembly includes a body and a spray nozzle retainer cap, and further including a device for protecting wear components from damage. Preferably, housings are provided within the spray nozzle assembly for protecting wear components, such as a swirl chamber and an orifice disc from damage. A sealing device is included within the nozzle assembly, which is subject to only compressive forces.

A spray nozzle assembly including at least one wear part made from a hard and abrasion-resistant material and a protective housing made from a strong and resilient material and having a downstream chamber adapted to receive one or more of the wear parts in releasably trapped relationship, the downstream chamber having a wall including a post defined by a slot in the downstream chamber wall either side of the post, the post including an inwardly extending protuberance at or near its end and adapted to prevent the wear part from escaping from the downstream chamber.

A fuel injector for fuel injection systems of internal combustion engines has a solenoid operable via an electric wire, a valve sleeve in an injection-side area forming an external sheathing of the fuel injector, and a valve housing. The fuel injector has a plastic sleeve, which contains the solenoid and the electric wire and can be pushed onto the valve sleeve.

A nozzle assembly for a sprinkler is revealed. The nozzle assembly includes a main channel having a water inlet on one end and a water outlet on the other end thereof The nozzle assembly features on that: an adjustment member for control of water flow is disposed on the main channel, located between the water inlet and the water outlet. The adjustment member is arranged around the main channel. The displacement direction of the adjustment member and the water flow direction of the main channel are not along the same axis, or not parallel to each other. Thus when the nozzle assembly is applied to underground sprinklers; it is hidden from view and is able to prevent others from changing outlet water flow purposely.

A control assembly for controlling rotation of a turnstile, includes a torque-restoring mechanism (13) with springs (20), a motion converting transmission with a multiplying gearing (56, 57) converting a rotation of the turnstile over 120° into a rotation of the rotary shaft entering the hydraulic damper (26) over 180°. The hydraulic damper (26) has two pistons mounted onto a single piston rod. A cam or crank mechanism converts rotation of the rotary shaft into reciprocating motion of the two pistons. The first piston damps the rotary movement of the turnstile when moving in one direction while the other piston damps this movement when the pistons move in the other direction, therefore damping the turnstile in both directions. A motion converting transmission in combination with a double-piston mechanism avoids any loss of hydraulic fluid, while achieving a gradually increasing damping force to effectively stop the rotation of the turnstile.

The bezel assembly for data reception, for use with a bill validator in a financial transactional device, includes a bezel housing and a data reception assembly. The bezel housing includes a customer-facing front portion and a back plate connectable to the bill validator that is mounted within the transactional device cabinet. The front portion includes an insertion/dispensing slot for receiving currency and a projecting hollow tongue forward of the casing. The forward-extending hollow tongue accommodates at least a portion of the data reception assembly. The bezel assembly can include a wireless communication function that is communicably connectable with a mobile device via a wireless communication method, a manual entry function, a biometric reader, one or more cameras for scanning and decrypting 2D barcodes and the like, thus enhancing the overall functionality of the financial transactional device.

The bezel assembly for data reception, for use with a bill validator in a financial transactional device, includes a bezel housing and a data reception assembly. The bezel housing includes a customer-facing front portion and a back plate connectable to the bill validator that is mounted within the transactional device cabinet. The front portion includes an insertion/dispensing slot for receiving currency and a projecting protrusion forward of the casing. The forward-extending protrusion accommodates at least a portion of the data reception assembly. The bezel assembly can include a wireless communication function that is communicably connectable with a mobile device via a wireless communication method, a manual entry function, a biometric reader, one or more cameras for scanning and decrypting 2D barcodes and the like, thus enhancing the overall functionality of the financial transactional device.

The bezel assembly for data reception, for use with a bill validator in a financial transactional device, includes a bezel housing and a data reception assembly. The bezel housing includes a customer-facing front portion and a back plate connectable to the bill validator that is mounted within the transactional device cabinet. The front portion includes an insertion/dispensing slot for receiving currency and a projecting protrusion forward of the casing. The forward-extending protrusion accommodates at least a portion of the data reception assembly. The bezel assembly can include a wireless communication function that is communicably connectable with a mobile device via a wireless communication method, a manual entry function, a biometric reader, one or more cameras for scanning and decrypting 2D barcodes and the like, thus enhancing the overall functionality of the financial transactional device.

The bezel assembly for data reception, for use with a bill validator in a financial transactional device, includes a bezel housing and a data reception assembly. The bezel housing includes a customer-facing front portion and a back plate connectable to the bill validator that is mounted within the transactional device cabinet. The front portion includes an insertion/dispensing slot for receiving currency and a projecting protrusion forward of the casing. The forward-extending protrusion accommodates at least a portion of the data reception assembly. The bezel assembly can include a wireless communication function that is communicably connectable with a mobile device via a wireless communication method, a manual entry function, a biometric reader, one or more cameras for scanning and decrypting 2D barcodes and the like, thus enhancing the overall functionality of the financial transactional device.

A seal assembly for sealing a pressure plate against an opening in a blowout preventer body has a seal groove formed in the pressure plate and a seal in the seal groove. The seal groove has a first groove portion adjacent to a sealing face of the blowout preventer, and a second groove portion extending past the sealing face into the opening of the blowout preventer body. The seal has a first seal portion in the first groove portion and a second seal portion in the second groove portion.

A spacer and gasket assembly is shown for receipt between a static structure having an outer and inner surface and fastener holes therethrough and a removable structure having a base with fastener holes and an upper surface and a lower surface. The static structure and removable structure are engaged through a multiplicity of fasteners having a shaft diameter. The fasteners are adapted to apply a compression on the gasket between the static structure and the removable structure. The static structure and the removable structure have opposed, typically flat, facing walls. The spacer and gasket assembly comprising a substantially non-compressible spacer adapted for receipt between the static structure and the removable structure having a spacer thickness. A gasket has a deformable, flowable, elastomeric body and a skeleton having a skeleton thickness, the skeleton substantially integral with the body. The gasket has an uncompressed gasket thickness. The spacer and the gasket are adapted to be placed substantially between the facing walls of the static structure and the removable structure and the removable structure will compress and deform the gasket when the fasteners are torqued down.

A train axle assembly includes a train axle, a ring assembly coaxially mounted on the train axle and a structure operatively engaged by the ring assembly and mounted on the train axle. The ring assembly has an outer diameter and a main section adjacent the outer diameter. The ring assembly includes a projection extending axially from the main section which is located at a diameter less than the outer diameter of the ring assembly. The projection has a portion of a diameter contacting the train axle so that the ring assembly is affixed to the train axle to provide resistance to relative rotation and axial movement between the ring assembly and the train axial.

An apparatus, system and method for sealing an electrical submersible pump assembly are described. An electric submersible pump (ESP) system for pumping solid-laden fluid comprises a thrust chamber of an ESP seal section, the thrust chamber sealed from well fluid on a downstream side by a stationary sand barrier and on an upstream side by a mechanical seal, the thrust chamber further comprising, a rotatable shaft extending axially through the thrust chamber, a head tubularly encasing the thrust chamber and threadedly coupled to a centrifugal pump intake, and a diamond-coated hydrodynamic bearing set inside the thrust chamber, wherein well fluid enters and exits the chamber through cross-drilled apertures in the head of the chamber, and wherein the well fluid forms a hydrodynamic film between the bearing set.

A sealing assembly for securely and insulatively maintaining a window or door and surrounding frame arrangement within an opening of a building wall. The sealing assembly comprises an elongated foam cell body member arranged within a channel of the surrounding frame arrangement of the window or door, wherein the elongated cell body member has a wall-opening-facing side. An elongated caulking band flange member is arranged in abutting relationship with a corner of the elongated foam cell body member. A thin flexible air fin is arranged in close environmental sealing relationship with the elongated foam cell body member and the opening in the wall of the building. A securement member is arranged to fasten the window or door surrounding frame arrangement, the elongated foam cell body member and the air fin, all to the building wall opening.