Abstract: A telescopic conductive tube is provided, including a conductive assembly. The conductive assembly includes an isolating guide, an isolating restraining tube, a rail, a wire, a guiding rod and a conductive spring. The conductive spring is sleeved on the guiding rod and electrically connects with the wire. The guiding rod and the conductive spring are accommodated within the isolating restraining tube. The isolating restraining tube is accommodated within the isolating guide. The wire is accommodated within the rail. The isolating restraining tube has one end inserted into the rail. The rail is slidable relative to the isolating guide. When sliding into the isolating guide, the rail slides along an outer wall of the isolating restraining tube, and the conductive spring is compressed by a bottom of the rail.

Abstract: A clamping seat includes a pipe seat, a movable clamp and a fixed clamp. The pipe seat includes an inner pipe space and an outer pipe space to insert the inner pipe and the outer pipe. The pipe seat includes a side opening beside the inner pipe space and a side space beside the outer pipe space. The movable clamp includes an arc block beside the side opening, and a screwing member pressing the arc block into the inner pipe space then to press and fix the inner pipe. The fixed clamp includes a clamping plate in the side space, and a tightening bolt pressing the pipe seat against the clamping plate, allowing the clamping plate to press the outer pipe.

Abstract: A crossfire tube assembly is positioned between adjacent combustors, the crossfire tube assembly having a primary body made up of a first telescoping sleeve slidably engaged with a second telescoping sleeve. An interlocking raceway is configured to limit axial travel length of the telescoping sleeves and lock the telescoping sleeves to each other. A bias is positioned between the first telescoping sleeve and the second telescoping sleeve. First and second floating collars are removably disposed to the first and second telescoping sleeves at a first and second floating collar annulus. First and second liner collars are disposed between the first and second floating collars on the first and second combustors. The crossfire tube assembly is adapted to provide fluid communication from the first combustor to the second combustor serving a gas turbine.

Abstract: The invention relates to a coupling arrangement (10) for pipelines, with a female coupling section (20) and a male coupling section (40) as well as a locking element (60) which at least in regions engages between the coupling sections (20, 40) and is secured on a coupling section (20), one of the coupling sections (20) comprising a locking contour (34) which cooperates with a locking contour (64) of the locking element (60), and the locking element (60) having a blocking section (62) which cooperates with a blocking section (52) of the other coupling section (40) such that a lateral movement between the coupling sections (20, 40) can be restricted.

Abstract: A system for supplying pressurized air installed in an aircraft turbine engine, configured to supply pressurization air to a portion of the aircraft for using compressed air from pressurization air collected from a portion for collecting compressed air, characterized in that it comprises a collection port formed on a casing of the compressed air collection portion, a collection member coupled to the collection port, a through port of the collection member formed on a casing of a compartment of the turbine engine, said casing being subjected to small movements relative to the casing of the compressed air portion, the collection member crossing the through port with a freedom of movement relative to the latter during said small movements, a high-pressure space crossed by the collection member, located between the casing of the compressed air collection portion and the casing of the compartment.

Abstract: A device for connecting pipelines subjected to axial length changes, comprising a pipe element with a flange having an end-face annular surface and a ring encompassing the pipe element, a sliding sleeve, the internal diameter of which corresponds to the external diameter of the flange and one end of which has an opening for receiving the pipe element, the flange being arranged such that it can move axially in the sliding sleeve, and by an outer bushing which is attached to the sliding sleeve and is arranged around the pipe element and the ring and the internal diameter of which corresponds to the external diameter of the ring and the interior of which is connected to the interior of the line by at least one opening in the pipe element and in which the ring forms a pressurized annular surface which is substantially the same size as the annular surface.

Abstract: A vertical exhaust duct for an electronic equipment enclosure is provided. The vertical exhaust duct includes a first duct section, a second duct section slidably connected to the first duct section and extendable to a first height above the first duct section, and a third duct section slidably connected to the second duct section and extendable to a second height above the second duct section.

Abstract: A method of joining two portions of an underwater pipeline laid on the bed of a body of water to conduct fluid and/or gas, the method including: joining a telescopic sleeve, having a first coupling head, to a first end of a first pipeline portion above the body of water; laying the first end, the telescopic sleeve, and the first coupling head on the bed of the body of water; joining a second coupling head to a second end of a second pipeline portion above the body of water; laying the second end and the second coupling head on the bed of the body of water, close to the first coupling head; roughly aligning the first and second coupling head in the body of water; and clamping the first and second coupling head to each other in the body of water.

Abstract: A method of traversing a travel joint with a line can include, after the travel joint has been installed in a well, activating a connector which provides sealed fluid communication between sections of the line on respective opposite sides of the travel joint. A travel joint system for use with a subterranean well can include a travel joint comprising a releasing device which permits relative displacement between sections of the travel joint, and a connector which provides fluid communication between sections of a line.

Abstract: A telescoping joint is used to space out ends of a string and distribute the string weight between the tie-down locations. The joint can be compressed to reduce its length but has a locking mechanism that prevents extension under tensile loading. The seals in the joint provide a longer service life due to minimization of relative movement in the expansion joint components. The locking mechanism is preferably a ratchet system that uses a body lock ring that is enabled after breaking a shear pin.

Abstract: A retractable pipe structure of an air blow gun includes an extension pipe, a lock unit and a blow pipe. The extension pipe has a through hole therein for insertion of the blow pipe. The lock unit includes a connection member. One end of the connection member is connected to the extension pipe. The other end of the connection member is connected to a lock member. An elastic collet and a seal member are provided in the lock member. The end of the connection member has an inner inclined surface which is inclined inward. Because the inner inclined surface guides the seal member and the elastic collet pushes the seal member, the seal member is deformed to tighten the blow pipe and to seal the extension pipe. The elastic collet can clamp the blow pipe and won't damage the blow pipe.

Abstract: A wand for an appliance includes first and second tubes and a support mechanism, in which the second tube slides telescopically within the first tube along a common axis. The first and second tubes are arranged to be selectively secured to one another in an extended position or to allow movement therebetween and the support mechanism is located between overlapping portions of the tubes. The support mechanism includes tapered portions arranged to provide support between the tubes at separate points along the common axis of the tubes. By supporting adjacent tubes at a plurality of points along the common axis, the tubes are held more firmly with respect to one another. One tapered portion is able to move with respect to the tubes along the common axis, which reduces play between the tubes.

Abstract: A method of making retractable pipe, characterized in that it comprises the following steps: (1) preparing a pipe body which comprises an outer pipe and an inner pipe; providing a handle seat and a handle button on the outer pipe; providing a handle actuation means inside the handle seat; providing a push rod assembly, a locking block, a sliding block and a reset spring at the handle actuation means; (2) providing a guiding groove and locking troughs on the inner pipe, and arranging locking troughs on the inner pipe; (3) providing a fixing sleeve inside the handle seat; providing raised guiding rails on the fixing sleeve; the raised guiding rails are slidably inserted in the guiding groove; the sliding block forces a locking tongue to fit into the locking trough to lock the retractable pipe. A retractable pipe made by the above method is also disclosed.

Abstract: A telescoping containment cleanout device for attachment to a cleanout pipe comprising: an inner riser portion and an outer housing, where the inner riser portion and outer housing create a channel; a telescoping portion, where the telescoping portion extends vertically through the channel; a cap at the top of the device, where the cap includes a removable sealing portion for access and cleaning of the sewer line; and stops within the channel and along the telescoping portion, where the stops provide a means to lock the telescoping portion in a vertically elevated position. The telescoping containment cleanout device may further include a plurality of o-rings within the channel, where the o-rings assist in guiding the telescoping portion through the channel. The telescoping containment cleanout device may further include a twisting sealing portion that seals the telescoping portion in a closed position.

Abstract: The invention relates to a coupling device for a duct (201) in piping, comprising: a duct (201); a coupling (231) comprising means (255) for realizing a hermetic longitudinal sliding connection with an extremity of the duct (201) along a total distance d parallel to the axis (210), referred to as longitudinal, of said duct (201); means (265) of stopping the translational movement of the first extremity of the duct (201) in the coupling (231) for a travel d1 less than d. The translational movement stopper means (265) are withdrawable for defined compression conditions of the duct.

Abstract: An air duct assembly supplies air from an air cleaner housing to an engine throttle and includes a first duct connected to the air cleaner housing and a second duct connected to the engine air intake. Open ends of the first and second ducts are spaced from one another and the second duct has a flared bell mouth at its open end. The second duct includes a sleeve that defines an attenuation chamber. A flexible bellows overlies the first and second ducts and the sleeve, and extends across the space between the first and second ducts to provide an airtight connection therebetween and flex during relative motion between the air cleaner housing and the engine air intake. A hydrocarbon adsorbing material can be housed within the attenuation chamber.

Abstract: Provided is an apparatus for connecting two sub-flow systems (e.g. airplane fuel tanks) and conveying a fluid between the two sub-systems using a pressured balanced transfer tube, particularly when there are large radial and axial movements or offsets between the sub-systems. Unlike conventional fluid transfer systems, the present apparatus allows for the pressure in the transfer tube to be balanced to internalize the pressure forces and prevent the exertion of pressure forces on the sub-systems connected to the transfer tube.

Abstract: A travel joint (100) for space out operations in a wellbore. The travel joint (100) includes a generally tubular mandrel assembly (112) and a generally tubular housing assembly (102) slidably disposed about the mandrel assembly (112). The mandrel assembly (112) included an infinite slot (118) and at least one axial slot (120). A lock assembly (128) is positioned between the mandrel assembly (112) and the housing assembly (102). The lock assembly (128) is operable to selectively prevent and allow relative axial movement between the mandrel assembly (112) and the housing assembly (102). A floating lug ring (140) is positioned between the mandrel assembly (112) and the housing assembly (102). The floating lug ring (140) includes at least one lug (142) and is operable to rotate relative to the mandrel assembly (112) and the housing assembly (102) when the lug (142) travels in the infinite slot (118).

Abstract: An expansion joint is used to accommodate changes in length of above-ground pipe lines due to thermal expansion. A tube is surrounded by a ring attached to a sleeve. One end of the tube is attached to a pipe of the pipeline, one end of the sleeve is attached to another pipe of the pipe line. The tube and the ring and sleeve are movable axially relatively to one another when the pipe line expands or contracts linearly. A seal between the ring and the tube ensures fluid tightness of the joint.

Abstract: A compliant conduit connector system for the sealed joining of two fluid conduits having two or more slip bearings to maintain mechanical connection between the two fluid conduits and a sealing o-ring to maintain a fluid seal between the two fluid conduits is disclosed. A socket having an inner surface including a sealing surface is formed on an end of a first fluid conduit. A plurality of slip bearings are held in position on the outer surface of a second fluid conduit by respective bearing channels attached to an outer surface of the second fluid conduit where the slip bearings are in mechanical contact with an inner surface of the socket formed in the first fluid conduit. The o-Ring makes sealing contact with a sealing surface defined as part of the inner surface of the first fluid conduit. To assure electrical conductivity a conductor assembly contacts both the first fluid conduit and the second fluid conduit.

Abstract: Embodiments of the invention disclose systems, apparatuses, and methods of measurement performed by pipe conveyed tools. In an embodiment, a system for evaluation of a well bore includes a drill string assembly comprising a plurality of pipe joints, a wired slip joint coupled to the plurality of drill pipe, the slip joint movable from a retracted position to an extended position to compensate for changes in length of the drill string, the extended position having a length greater than the retracted position; a sensor positioned in the slip joint, wherein the sensor detects a change in length of the slip joint and generates a signal representative of a position of the slip joint, and a communication system to transmit the signal from the slip joint to a surface processor.

Abstract: An extendible exhaust system is disclosed for preventing exhaust gas seepage into the passenger compartment of a vehicle utilizing a pipe extender that slides along the tailpipe. The pipe extender has a retracted position and an extended position. The pipe extender moves from the retracted position to the extended position when the vehicle travels forward at a predetermined speed. When in the extended position, exhaust flows through the additional length of the pipe extender before exiting the exhaust system. Movement of the pipe extender from the retracted to the extended position may be by airflow traveling past the moving vehicle pushing on a flange acting as a sail against a tension spring. An electromagnet or motor drive system with a movement sensor may also be used to move the pipe extender from the retracted to the extended position.

Abstract: A pipe insert providing a connection between pipe ends allowing fluid flow access between the pipe ends. The pipe insert having a central section with an internal thread that extends along the length of the central section and outer sections having inner and outer threaded ends. The inner threads allow attaching of the outer section into the central section so that the pipe insert may vary the relative displacement between the free ends of the pipe insert to correspond to the spacing between the pipe ends. The outer threaded ends having a releasably attaching connection to the outer section to provide a connection between the spaced pipe ends. The pipe insert is particularly useful during replacement of an appliance located between the pipe ends. The pipe insert is adapted to receive flow control and/or sensing element for measurement of fluid flow between the pipe ends.

Abstract: A telescopic extension, typically for a household appliance, is described, the extension comprising: a) an inner tube; b) an outer tube, wherein said inner and outer tubes are telescopically slidable with respect to each other, wherein said inner tube comprises deformations of predefined shape on its outer surface; c) a constraining device which is configured so as to block sliding of the inner tube with respect to the outer tube; d) a slider and elastic means, wherein said slider cooperates with said constraining device by means of said elastic means; and e) an actuating device operatively connected to said slider, wherein said actuating device extends over at least half the length of said outer tube, wherein said actuating device comprises a substantially cylindrical body fitted on at least part of the outer surface of said outer tube.

Abstract: A retractable rod structure includes an inner pipe, an outer pipe and a positioning unit. The positioning unit includes a sleeve and a resilient engaging plate located in the sleeve. The sleeve has a side wall formed with a first threaded hole and a second threaded hole for engagement of a positioning bolt and a fixing bolt. The sleeve further has a pair of grooves formed on an inner wall of the sleeve close to two sides of the first threaded hole and the second threaded hole. By turning the positioning bolt clockwise or counterclockwise, the resilient engaging plate is controlled to engage with or disengage from the inner pipe for adjustment of the inner pipe. The present invention provides a stepless positioning effect, without wearing the retractable rod, and can be used as a multi-function retractable rod.

Abstract: A handheld shower assembly is provided. The handheld shower assembly includes a water conduit, a handle, and a showerhead. The water conduit is adapted to attach to the showerhead at one end and to a water source extending from a wall of a shower stall at another end to receive water flow. The handle includes a first portion and a second portion adapted to accept the water conduit within an interior portion of the handle. The first portion is adjustably coupled to the second portion. This allows the first portion to telescope with respect to the second portion, thereby the first portion extends from a first retracted position to a second extended position. The showerhead is coupled to the water conduit and the handle. The showerhead may receive the water flow from the water conduit as well as expelling the water flow.

Abstract: A coupling assembly including a union member having a first receiving portion with internal threads and a second receiving portion with oppositely oriented internal threads, a first coupling member (e.g., a hose adapter) having external threads that are threadingly engaged to the internal threads of the union member, and a second coupling member (e.g., an elbow fitting) having external threads that are threadingly engaged to the oppositely oriented internal threads of the union member. Upon rotation of the union member, the length and/or phase angle between the first and second coupling members changes.

Abstract: An extendable fluid transport apparatus for conveyance of a fluid to a remote surface. A rigid fluid tube (300) receives fluid and is in fluid communication and interconnection with a flexible flex tube (400) which is in fluid communication and interconnection with a connection means proximal a telescoping tube (200) second end for conveyance of a fluid, including paint, to a distant surface. The telescoping tube (200) is slidably received into a casing (100). The flex tube is received through a casing slot (120) and a telescoping tube slot (240) into the telescoping tube.

Abstract: A fitting is provided for slip fit adjustment of conduit leading from an electric service box on a building to an underground electric service line to allow for subsidence of the ground level without excessive force on the service box even when sections of the conduit are not in alignment.

Abstract: A device which is expandable to engage the interior of a tube, for example the casing of an oil well, comprises first and second tubular members in partial telescopic engagement with each other, the first tubular member having an end region which is received on the second tubular member and which is expandable radially outwardly to engage the interior of the tube. The second tubular member has tapered regions which, when forced into the end region, will cause radial expansion of the end region. The taper angle of the second tapered zone is less than the taper angle of both the first tapered zone and the third tapered zone. The fourth tapered zone preferably has a taper angle which is greater than that of the second tapered zone and less than that of the third tapered zone. In one embodiment, the tapered zones have respective taper angles of 15°, 1°, 5° and 1.25°.

Abstract: A pop-up bubbler assembly for drinking fountains or other appliances that includes a head with a dispensing spout that rises upward out of a housing to dispense an arc of clean water when activated. The bubbler head then drops back down into the housing after water flow stops such that the dispensing spout is covered when not in use.

Abstract: A compressed seal expansion joint for fluidically connecting in a sealed relationship adjacent ends of two conduits adapted for carrying fluids of varying temperatures, the expansion joint comprising telescopically arranged outer and inner pipe members adapted to be connected to each of the conduits, the outer pipe member defining an annular packing chamber opening through its inner surface for containing at least two cylindrical guide rings disposed at opposite ends of the chamber, the rings being of a generally rectangular cross section having their long faces longitudinal to the members axis and selected of an elastic and semi-plastic packing composition pressurized by tensioned hoop bands circumscribing the outer pipe member and selected to elastically deform the outer pipe member and communicate a circumferentially compressive force to the guide rings so as to create bearing and frictional loadings and seal between guide ring surfaces and the pipe member surfaces during axial and rotational relative pipe

Abstract: An expansion coupling for interconnecting the terminal portions of separate first and second lengths of electrical metallic tubing to permit relative axial movement between the first and second lengths of electrical metallic tubing. The expansion coupling comprises a sleeve of thin-walled metal tubing having a principal length and an interior axial passageway terminating in opposing first and second openings. The first opening is dimensioned to receive therein in telescopic sliding relation a terminal portion of the first length of electrical metallic tubing. The second opening is dimensioned to receive therein a terminal portion of the second length of electrical metallic tubing. A movable member, such as a set-screw, etc., is positioned proximate the second opening, the movable member being selectively positionable within the axial passageway to secure the second length of tubing in fixed relationship with the sleeve.

Abstract: A juice extractor includes a strainer tube mounted to receive juice and pulp of fruit. An orifice tube is moveable within the strainer tube and includes a first tube portion and opposing second tube portion threaded within the first tube portion. A drive mechanism engages the orifice tube for reciprocating the orifice tube within the strainer tube and separating juice and pulp within the strainer tube.

Abstract: Various joints within a duct assembly to allow relative movement between portions of a fluid system which are interconnected by this duct assembly are disclosed. This duct assembly is particularly suited for interconnecting a rocket fuel tank and rocket engine of a space travel vehicle. In any case, this duct assembly includes a pair of duct suctions, each of which includes a gimbal on an end thereof. The opposite ends of these two duct sections are disposed in a telescope-like arrangement with a slip joint therebetween to allow the duct sections to move at least generally axially relative to each other. This slip joint includes a pair of longitudinally spaced bushings, between which are disposed a plurality of annular seals. The bushings inhibit contain between the two duct sections by maintaining the same in spaced relation.

Abstract: An air duct fitting comprising a rectangular cross section duct segment having a central axis, a round cross section duct segment having a central axis, and a transition rectangle-to-round segment, the rectangular cross section duct segment having a lateral round opening with a central axis transverse to the rectangular duct segment central axis, the round cross section duct segment central axis being laterally offset from and parallel to the rectangular duct segment central axis. The transition segment is removably interfitted with the rectangular cross section duct segment, whereby the rectangular cross section duct segment round opening can be oriented in either of two opposite directions, one in a plane in general alignment with the round cross section duct segment central axis and the other in a plane laterally offset from the round cross section duct segment central axis.

Abstract: A sub-suction pipe assembly for a vacuum cleaner includes an air suction pipe connected to a vacuum cleaner body, a sub-suction pipe connected to the air suction pipe and movable along the air suction pipe between a first position and a second position. The sub-suction pipe has a brush attached to an end thereof, a suction extension pipe detachably connected to the end of the air suction pipe, and a lock mechanism for securing the suction extension pipe to the air suction pipe. The sub-section pipe remains coupled to the end of the air suction pipe when the suction extension pipe is connected to the air suction pipe.