37results about "Pipe elements" patented technology

A flange (62) includes a first flange section (64) configured for coupling with a first tube (102), and a second flange section (66) configured for coupling with a second tube (104). A first mating portion (70) of the first flange section (64) connects to a second mating portion (74) of the second flange section (66) to form the flange (62) for retaining the first tube (102) beside the second tube (104). The flange (62), first tube (102), and second tube (104) form a subassembly (100). The subassembly (100) is subsequently assembled so that a third tube (112) is retained in fluid communication with the first tube (102) and a fourth tube (114) is retained in fluid communication with the second tube (104) to form a tube joint assembly (110) for roughly parallel sets of tubes.

A composite lining for a pipe comprising a structural layer for providing structural integrity and a containment layer for providing fluid impermeability. The structural layer comprising at least one strip of lining material arranged to form a substantially continuous lining within said pipe. A method for lining a pipe with said composite lining. A structure and method for testing the fluid integrity of said containment layer. Apparatus for installing said structural and containment layers in said pipe.

Apparatus and method for connecting a lateral pipe to a main pipe are provided by a tool having a first end within the main pipe and a second end outside the lateral pipe so as to apply pressure to the below-ground connection of the main and lateral pipes from an above-ground location. The entire operation may be done without a person having to enter into an access opening in the ground to connect the lateral pipe to the main pipe. A laser is used to determine the depth of the access hole relative to the surface of the ground and the main sewer pipe.

The invention relates to an active sound eliminator for a ventilation pipeline system. The active sound eliminator comprises an outer shell, an inner pipe segment, a loudspeaker unit, an error microphone and a loudspeaker power amplifier board card. The outer shell comprises a sealing cover and a shell body, the sealing cover is of a plate-shaped structure with an opening in the center, the shell body is of a barrel-shaped structure with an opening in the bottom central position, one end of the inner pipe segment penetrates through the hole in the center of the sealing cover and is fixed to the sealing cover, the other end of the inner pipe segment is embedded in the hole in the center of the shell body, and the sealing cover is arranged on the top of the shell body. The loudspeaker unit, the error microphone and the loudspeaker power amplifier board card are respectively arranged on the periphery of the inner pipe segment, an output interface of the loudspeaker power amplifier board card is connected with the loudspeaker unit, and a signal input interface and a power source interface of the loudspeaker power amplifier board card and an output interface of the error microphone are led out through an electric connector arranged on the shell body. An annular flange for containing the loudspeaker unit is arranged on the side face of the inner pipe segment, and a plurality of penetrating holes exist in the position, corresponding to the mounting positions of the loudspeaker unit and the error microphone, of the wall of the inner pipe segment.

A fuel injector comprising a hollow body for housing a metering valve with a calibrated pipe for outlet of the fuel from a control chamber. The calibrated pipe is normally kept closed by a shutter controlled by an electromagnet comprising a magnetic core and an electric coil housed in an annular slot of the core. The coil outer cylindrical surface forms a gap with the annular slot so as to be lapped by the fuel coming out of the calibrated pipe. The coil comprises a bobbin having a pair of appendages for supporting electric supply plugs, which are englobed at least in part in a block of non-magnetic material. The bobbin has a substantially cylindrical rib, one flange adjacent to an end portion of the plugs, and another flange having a smaller diameter that forms a passage for the fuel between the calibrated pipe and the gap.

A modular pipe repair enclosure system includes first and second enclosure portions, and an enclosure attachment device. The first and second enclosure portions create an enclosure around the pipe for covering leaks. The enclosure has three openings for accommodating the pipe. The first and second openings are arranged at an angle of 180 degrees with respect to each other, and at an angle of 90 degrees with respect to the third opening, such that a straight line section of pipe may be accommodated by the first and second openings, an elbow section of pipe by the first and third openings, and a T-section of pipe by the first, second, and third openings. The system may further include a blank, for closing one of the openings, for use with a straight or elbow section, and a sleeve, for reducing the inner diameter of an opening, for accommodating pipes of different diameters.

A vacuum cleaner suction pipe (1) having first, second, and third pipe segments (1, 2, 3), respectively, the pipe segments (2, 3, 4) being telescopically connected to one another, the first pipe segment (2) being located between the second pipe segment (3) and the third pipe segment (4). So as to be easily manufactured and have an actuation that is optimized with respect to its telescoping ability, there is a control device (5), and the pipe segments (2, 3, 4) are mechanically in interaction with one another via the control device (5) so that when the second pipe segment (3) or the third pipe segment (4) is moved manually in an axial direction relative to the first pipe segment (2) the respective other of the second or third pipe segment (3, 4) is moved at the same time by the control device (5).

The present invention provides improved gas service riser assemblies. The improved gas service riser assemblies utilize an adapter to provide the transition from the plastic pipe used for underground distribution of natural gas to the metal pipe used in above ground natural gas distribution systems. Further, the improved gas service riser assemblies do not utilize the protective metal casing as a conduit for the natural gas thereby reducing the hazards associated with corrosion of the protective metal casing.

Tubing everting apparatus, assemblies, and methods are disclosed herein. The tubing everting apparatus include a pressure chamber that defines an internal volume, a liner inlet port that is configured to receive a flexible tube liner into the internal volume, an inlet sealing structure that is configured to resist fluid flow therepast from the pressure chamber, and a liner outlet port that is configured to permit the flexible tube liner to extend from the internal volume. In some embodiments, the apparatus include a lubricator that is configured to apply a lubricant to the flexible tube liner. In some embodiments, the apparatus include a non-deflation valve that is configured to selectively transition between open and closed states. The assemblies include the apparatus and a cart that includes a lubricant reservoir. The methods include methods of operating the apparatus.

A double wall round or oval duct system assembly having an outer duct connector, an inner duct connector and a closure ring is provided. The inner duct connector of the duct assembly has an adhesive applied on the transverse flange face of its transverse flange thus allowing a sealing connection between the inner and outer duct connectors upon compression with the closure ring. The double wall round or oval duct system assembly will improve the efficiency and will reduce or eliminate air leakage upon connection of two round or oval duct segments. A method of installing the assembly system is also provided.

The invention provides a nylon pipe clamp structure based on an automobile air conditioning pipeline. The nylon pipe clamp structure comprises a pipe clamp piece, a spring and a guide rod, the guide rod is fixedly connected to the top surface of the pipe clamp piece, a rubber anti-slip coating is arranged on the clamping and fixing surface of the pipe clamp piece, and the guide rod penetrates through a reserved hole of a casing. According to the nylon pipe clamp structure, the materials of the casing, the pipe clamp piece and the guide rod select PA nylon plastic, the PA nylon plastic can meetthe strength required for fixing air conditioning pipes, by means of the design, the whole weight of the device is reduced, the problem that an existing air conditioning pipe clamp adopts a full metal material and is large in weight can be solved, the spring is arranged outside the guide rod, the vibration generated in the driving process of the air conditioning pipeline is buffered, so that theinfluence of the vibration of the air conditioning pipeline on NVH in a vehicle is reduced, meanwhile, the nylon pipe clamp structure can adapt to fixation of air conditioning pipelines with differentcalibers, and the problems that the existing air conditioning pipe clamp is single in function and cannot buffer the vibration of the air conditioning pipeline, and NVH in the vehicle is influenced can be solved.

A hose combination includes a flat hose having a first passage and each of two opposite insides of the first passage and two opposite outsides of the hose have a flange extending longitudinally therefrom. A connector includes a first part having a second passage defined therethrough and the hose is inserted in a first end of the first part. Two first grooves are defined in an inside of the second passage so as to receive the first flanges on the outside of the hose. A second part has a tubular portion which is inserted in the first passage and has second grooves defined in an outside thereof so as to receive the flanges on the two opposite insides of the first passage. A threaded neck extends from a second end of the first part and is connected to a third part to which a sprinkler is connected.

A filler neck adapter to be inserted through the open fuel mouth of a capless filler neck of a fuel tank of a motor vehicle. The adapter has a hollow flow body to create a continuous flow path between a source of pressure or vacuum and the fuel tank to enable the fuel tank to he tested for leaks. A resilient seal surrounds the flow body of the adapter so as to lie between movable and stationary seal stops. A force-generating member is moved along the flow body to push the movable seal, stop and the seal towards the stationary seal stop. Accordingly, the seal is compressed between the movable and stationary seal stops so as to bulge outwardly towards and thereby create an air-tight seal against the fuel mouth of the filler neck.

A method of operating a compressor system includes determining an efficiency of a compressor configured to operate at a plurality of output flow settings, including one or more of measuring, calibrating, calculating, or modeling motor efficiency over a range of supply voltage and pulse width modulation duty cycle combinations, each combination including a supply voltage of a plurality of supply voltages and a pulse width modulation duty cycle of a plurality of pulse width modulation duty cycles. The method further includes selecting a supply voltage and a pulse width modulation duty cycle for use at at least one output flow setting of the plurality of output flow settings based on the determined efficiency of the compressor, generating the selected supply voltage by maintaining, reducing, or increasing a nominal supply voltage, and applying the selected pulse width modulation duty cycle.

The invention discloses a pipeline connection mechanism used for chemical waste water transportation and capable of preventing leakage. The pipeline connection mechanism used for chemical waste watertransportation and capable of preventing leakage comprises a connection shell, a connection head, a first flange plate and a second flange plate. Connection heads are installed on the left side, the right side, the upper side and the lower side of the connection shell, blocking plates are connected into the connection heads in a threaded mode, partition plates are arranged in the connection shell,the outer sides of the blocking plates are connected with external connection pipes in a threaded mode, moving rings are connected to the outer sides of the external connection pipes in a threaded mode, and outer covers are fixed to the outer sides of the moving rings. According to the pipeline connection mechanism used for chemical waste water transportation and capable of preventing leakage, the moving rings are arranged, and the moving rings are connected with the external connection pipes in a threaded mode, so that through rotation of the moving rings, the outer covers can squeeze a first inflatable airbag body, and air inside the first inflatable airbag body enters a second inflatable airbag body through a communication pipe so as to seal pipelines with different diameters and avoidthe later leakage.

A clamping assembly and components, systems, and methods thereof can comprise a first clamp adapted to be provided around a first fuel line for an internal combustion engine to rigidly clamp the first fuel line to a bracket arrangement; and a second clamp adapted to be provided around a second fuel line for the internal combustion engine, which is spaced from the first fuel line, to clamp the second fuel line to the bracket arrangement such that the second fuel line is movable according to a degree of freedom in a direction of assembly strain. The second clamp can include a bent clip, and the first and second clamps can be aligned with each other or offset by no more than a body length of either the first clamp or the second clamp.

The invention relates to a pipeline robot with a self-adaptive reducing mechanism, comprising working ends and a coupling. The working ends are connected through the coupling; two groups of reducing mechanisms are arranged on the coupling in the axial direction at a space; each reducing mechanism single body comprises a controller, a hydraulic lifting device, a gear train, a reverser, wheels, a connecting rod mechanism, a bevel gear, a stepping motor and a machine body; one end of a controller shell is connected with the coupling; the other end of the controller shell is connected with the machine body; the machine body is sleeved with the hydraulic lifting device; one end of the connecting rod mechanism is fixed to a lifting rod of the hydraulic lifting device; the other end of the connecting rod mechanism is hinged to a gear shaft of the gear train; the stepping motor is installed on the machine body; an output shaft of the stepping motor is connected with the bevel gear; an output shaft of the bevel gear is connected with the gear train, and provides power for the gear train; an output shaft of the gear train is connected with the reverser; the wheels are mounted at the tail end of the reverser; and the reverser is wirelessly connected with the controller. The pipeline robot is high in self-adaptive capacity, and can implement stable and rapid diameter changing.