580results about "Pipe couplings" patented technology

A fluid coupling may include a valve housing defining an internal fluid passage extending along a longitudinal axis between a first end and a second end of the valve housing; a valve member including a central longitudinal bore and disposed within the valve housing, the valve member operable between an open position and a closed position to permit and block fluid flow through the internal fluid passage, respectively; a handle assembly operably connected to the valve member, the handle assembly being movable between a first position in which the valve member is in a closed position and a second position in which the valve member is in an open position; an interface member secured to the valve housing, the interface member including at least one engagement feature for coupling the fluid coupler with a similarly shaped engagement feature of a second fluid coupler.

The invention discloses a medical cleaning machine water inlet rapid butt joint device convenient to disinfect and maintain, and relates to the field of butt joint devices. According to the medical cleaning machine water inlet rapid butt joint device convenient to disinfect and maintain, the female head pipeline and the male head pipeline which can be separated are arranged, an electromagnet and a permanent magnet which are controlled by a controller are correspondingly arranged on the butt joint part base and the male head butt joint base, and detection feedback of a Hall sensor and a pressure sensor is combined; automation and intelligentization of the water inlet pipeline butt joint process are achieved, the device can automatically sense approaching of a male head and start magnetic force to guide adsorption, and preliminary alignment is completed; and according to the sealing pressing force fed back by the pressure sensor, the electromagnet is intelligently controlled to be switched to a strong magnetic force locking mode, so that on the premise that reliable connection sealing is ensured, rapid, accurate and force-controlled butt joint and separation are achieved, and the problems that a traditional mode is tedious in operation and poor in connection reliability are effectively solved.

A fluid connector includes a shell having a fluid channel, a valve member rotatably accommodated in the fluid channel and having a through hole, a control element connected to the valve member for controlling the valve member to rotate between a closed position and an open position, and an interlock system. The shell has an interface to abut a mating connector and an accommodating hole concavely formed from the interface. The interlock system includes two pins coaxially accommodated in the accommodating hole and a resilient system. The control element is operatively connected to the interlock system via a restricting member and an operating member.

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

This document describes fluid coupling devices for fluid handling systems. For example, this document describes male and female couplings that can be snapped together, and that are disconnectable by manually compressing an ovular collar of the female coupling. Some fluid coupling devices described herein are well suited for use in systems that provide liquid cooling for heat generating devices such as batteries, power sources, electronics, computer hardware and the like. Moreover, the fluid coupling devices described herein are also suitable for many other fluid coupling uses.

Aseptic fluid coupling devices can be used for fluid systems and manufacturing processes that require sterilized fluid flow pathways. For example, aseptic fluid coupling devices that include removable membrane strips that protect the interior of the aseptic fluid coupling devices from contamination prior to use can be used in such contexts. Methods for attaching removable membranes to the aseptic fluid coupling devices can include the use of a pre-formed membrane or heat sealing using a protruding die that reduces the resultant tension of the removable membranes.

The invention discloses a ventilation connecting structure and system for a large pipeline of a ship ammonia fuel engine, and belongs to the technical field of ships, the ventilation connecting structure comprises a first ventilation flange and a second ventilation flange which are connected in a paired mode, and an inner ring sealing structure is arranged at the contact position of the first ventilation flange and the second ventilation flange; an outer ring sealing structure is arranged outside the inner ring sealing structure, an annular discharging groove is formed between the inner ring sealing structure and the outer ring sealing structure, and a ventilation outlet and a cleaning opening are formed in the outer portion of the first ventilation flange and communicate with the annular discharging groove. The ventilation structure of paired installation flanges is simplified, the layout of a ventilation system is optimized, the manufacturing cost is low, and installation is convenient; the required negative pressure ventilation air quantity is small, the type selection capacity and size of each related device and accessory are small, and the initial investment cost, the later maintenance cost and the operation cost are low; ventilation air is distributed in a centralized mode, and through switching of on-off states of the ventilation stop valves, which group of flange connection in the system leaks can be distinguished and confirmed conveniently.

An aseptic coupling arrangement can include a first coupling device and a second aseptic coupling device. In one embodiment, the first and second coupling devices are substantially similar, each having a main body defining a front face and a fluid passageway therethrough. A first connecting feature disposed on the main body of each coupling device may be provided for aligning and coupling the aseptic devices together. Each coupling device may also include a sealing member received in the main body and a membrane removably coupled to the main body front face to cover the sealing member. The first aseptic coupling device may also include a rotatable protective cover that is removably attached to the main body and connected to the membrane. In one embodiment, the removal of the protective covers away from two coupled main bodies, in a direction parallel to the front faces, causes removal of the membranes.

A circulating circuit member 1 forms a part of a circulating circuit through which a fluid flows. The circulating circuit member 1 includes a pipe 4; a to-be attached member that has a sleeve portion 3 made of synthetic resin to which the pipe 4 is rotationally connected; and a pin 6 that is inserted from the sleeve portion 3 to the pipe 4, in which a pin insertion hole 5 of the sleeve portion 3 through which the pin 6 is inserted is formed by a mold that is pulled out from an inside of the sleeve portion 3.

Methods and apparatus are disclosed for a coupling nozzle for cryogenic fluid. An example nozzle comprises a flow body defining a conduit, an inlet, and an outlet. A pneumatic cylinder is configured to slide between an extended position and a contracted position. The pneumatic cylinder is coupled to and configured to actuate the flow body. A locking mechanism is configured to secure the coupling nozzle to a receptacle. A flow control assembly comprises a valve seat fixed to the flow body adjacent the inlet and a plug configured to slide. When the locking mechanism is locked and the pneumatic cylinder actuates to the extended position, the valve seat is to disengage from the plug to open the flow control assembly. When the locking mechanism is locked and the pneumatic cylinder actuates to the contracted position, the valve seat is to engage the plug to close the flow control assembly.

A quick connector arranged to display a scannable image that verifies that engaging components of a quick connector have made a connection. A connector body includes an internal passage centrally located in the connector body adapted so that a pipe can be inserted into the passage. A latch member is located on the connector body that is movable from a pipe insertion position that facilitates the insertion of the pipe into the connector body internal passage, to a latch position that captures and retains the pipe to the connector body. A scannable image inscribed on the latch member is hidden and unreadable in the insertion position. Moving the latch member to the latching position captures the pipe and uncovers the scannable image which can read by a machine scanner to verify the connection.

A compression fitting including a body portion defining a first end portion, and a grip ring assembly with a grip ring disposed within the first end portion, the grip ring being movable from a first axial position to a second axial position with respect to the longitudinal center axis of the first end portion, wherein the grip ring is disposed in the first axial position when the compression fitting is in a loosened configuration, and in the second axial position when the compression fitting is in the tightened.

A quick release locking connector system for fluid or mechanical systems. Systems of the inventive subject matter comprise a female connector with an assembly body, a release collar, a release collar spring, ball bearings, a locking collar, and a locking spring. The system also includes a male connector with an insertion end, a locking flare, and a visual locking indicator. The locking flare interacts with the locking collar upon insertion of the male connector into the female connector. The visual locking indicator is covered by the female connector upon insertion. The system provides a secure and reliable connection, reducing the risk of leaks and facilitating easy connection and disconnection of components.

The application discloses a replacement joint with bidirectional interlocking, which comprises a joint body, a plurality of protrusions arranged on the jointing end of the joint body, and a plurality of recesses. When two replacement joints are jointed together, the protrusions of the opposite replacement joint are rotated and pushed to the slope, the slope is rotated and moved upward, the protrusions are also rotated and moved upward to the inclined rail, and the locking hook is rotated and moved downward. At this time, the locking hook does not interfere with the circumferential rotation track of the protrusions of the opposite joint, and the two replacement joints can also be twisted and loosened in the circumferential direction. When the valve core is driven to rotate and open by the handle, the driving protrusion is moved upward and rotated into the straight rail through the inclined rail, the locking hook hooks the opposite protrusion to limit the circumferential rotation of the opposite replacement joint, the movable locking buckle is circumferentially engaged with the protrusions of the opposite replacement joint, the circumferential rotation freedom of the replacement joint is effectively limited, and the two replacement joints are prevented from loosening.

An electro-mechanical actuator for a valve can have a collar configured to envelope a portion of a commercially available liquid coupler. The collar can engage a region of the liquid coupler and a bias member can urge the collar to displace a movable member of the liquid coupler and thereby to break a coupling. A dowel can retain the collar against the force applied by the bias member and a tension member can, under threshold tension, retract the dowel, releasing the collar to move under influence of the bias member. Other valves have a gate element coupled with an armature to rotate the gate element under an electromagnetic field. The gate element can define a recess and a retainer can reside in the recess. As the gate element rotates, the retainer can align with a longitudinal segment of the recess and allow the gate element to displace longitudinally.

An improved quick connector includes a connector body, a connector head, a verification tab, and a locking clip. The connector body can be coupled to the connector head at multiple rotational orientations, and the connector head includes a retainer ring integrally formed therein. The connector head further includes an axial slot for the verification tab and includes first and second tangential slots for the locking clip. Upon insertion of a male fitting in the connector head, the verification tab is slideably displaced from a concealed position to a visible position, and the locking clip prevents retraction of the male fitting from the connector head.

A fluid coupling may include a receiving element, a securing element, a retaining element and a plug-in element. The securing element may be displaceable between a release position and a locking position. The securing element being may be engaged with the retaining element in the release position of the securing element. The plug-in element may allow the securing element to be displaced. The fluid coupling may include a spring element which exerts a spring force on the securing element so that the securing element is preloaded in the direction of the locking position so that, when the plug-in element is inserted into the receiving space of the receiving element, the securing element is displaced out of the release position into the locking position due to the spring force of the spring element.

The invention belongs to the technical field of pipeline safety reinforcement, and particularly relates to an existing gas pipeline flange joint reinforcing device which comprises a bottom plate, two outer-layer sealing pieces arranged symmetrically in the axial direction, an inner-layer sealing assembly and a detection assembly. A first arc-shaped sliding frame and a second arc-shaped sliding frame which are symmetrically arranged are connected to the top end of the bottom plate in a sliding mode, an outer-layer sealing piece is connected between the first arc-shaped sliding frame and the second arc-shaped sliding frame in a clamped mode, an inner-layer sealing assembly is arranged on the inner wall of the outer-layer sealing piece, and the inner-layer sealing assembly and the outer-layer sealing piece are each divided into two half bodies of the same structure in the axial direction. When leakage occurs at the flange joint, the detection assembly responds to the pressure change and outputs a signal, through the double-layer staggered joint sealing structure and the detection system, the supporting and reinforcing problems of the flange joint of the gas pipeline in urban underground construction are solved, real-time monitoring and early warning of leakage are achieved, and the reliability of the gas pipeline is improved. And a guarantee is provided for safe operation of the gas pipe network in a complex construction environment.

The invention relates to a coupling device (1) comprising:—a hollow body (2) defining a housing (3) which comprises an opening (4);—a locking ring (6) arranged in the housing and intended to engage with an inserted tube;—a first stop (7);—a cartridge (12) against which the tube is intended to butt in order to impose a connection state on the cartridge, the cartridge being able to slide between a first and a second position, the passage of the cartridge (12) from the second position to the first position causing the locking ring (6) to butt against the first stop (7), and the passage of the cartridge from the first position to the second position placing the locking ring (6) at a distance from the first stop (7);—a spring (14) exerting a force against the cartridge (12).

A quick coupling system where a conduit can be pushed into the coupling to secure and seal the conduit with the coupling includes a gripping ring and a seal. The seal is located outboard of the gripping ring so that the gripping ring does not damage the outer surface of the conduit engaged by the seal. The coupling system also may include a wiper outboard of the seal to clean the outer surface of the conduit as the conduit is inserted into the coupling system.

This invention relates to a fluid sealing device comprising a sealing member comprising a first surface and an opposite second surface. A first region of the first surface for forming a first seal about an aperture of a process component containing a fluid, and an inner region of the first surface to be exposed to the fluid via the process component aperture. A restraining member providing a support surface facing the second surface, a perimeter portion of the restraining member interfacing with a first region of the second surface, the first regions of the first and second surfaces corresponding with a first region of the sealing member. An inner region of the second surface spaced from the support surface to form a cavity between the inner region of the second surface and the supporting surface at least in an unpressurised condition. The inner regions of the first and second surfaces corresponding with an inner region of the sealing member, the inner region of the sealing member moveable towards and away from the support surface under action of a pressure of the fluid on the inner region of the first surface to provide an indication of the pressure.

A joint assembly and a faucet include a first coupling portion and a second coupling portion. A first connecting structure and a first guide structure are disposed on the first coupling portion. A connecting structure and a second guide structure are disposed on the second coupling portion. The second coupling portion and the first coupling portion are sleeved with each other. The first guide structure and the second guide structure cooperate with each other to limit a movement direction of the first coupling portion and a movement direction of the second coupling portion in a sleeving process, so that the first connecting structure is aligned with the second connecting structure; The first connecting structure and the second connecting structure cooperate with each other to position the first coupling portion and the second coupling portion after the second coupling portion and the first coupling portion are sleeved with each other.

Provided is a hose joint that allows whether or not tightening has been completed to be determined. The hose joint includes: a nipple provided along an insertion space of the hose body, a sleeve deformable in a radial direction thereof and provided so as to surround an outer circumference of the insertion space of the hose body formed along an outer peripheral surface of the nipple, a plurality of separated holders provided outside the sleeve to cover an outer face of the sleeve in a circumferential direction thereof and be separable in the radial direction, and a tightening member provided to extend across the plurality of separated holders so as to move the individual separated holders closer together in the radial direction and cause diameter reduction of the sleeve, the hose joint further including a spacer disposed between each of the plurality of separated holders and the sleeve.

Press fitting (100) for a pipe connection, comprising a fitting body (120), a press sleeve (140) comprising a substantially cylindrical press area (140) and an outward expanding first collar (144) at a first end (146) of the press sleeve (140), and a stop ring (160) interconnecting the press sleeve (140) and the fitting body (120). The stop ring (160) comprises a groove (162) for accommodating the outward expanding first collar (144) of the press sleeve (140), and a plurality of snap segments (164) formed in a first part (166) of an inner contour (168) of the stop ring (140) and delimiting the groove (162), the snap segments (164) being arranged, in an insertion direction (ain) of the press sleeve (140), in front of the groove (162) to form an undercut (170), a recess angle (β) of each snap segment (164) being larger than a guiding angle (a) of the respective snap segment (164).

A limit stop relates to devices for limiting the effect of severe accident consequences on process equipment connected by pipelines passing through walls. The stop may be used, in particular, in the nuclear industry. The limit stop installed in a protective wall. The stop is made in the form of an anchor with horizontal grooves and an insert into the pipeline with horizontal teeth. The anchor is mounted on a protective wall. The insert is installed on the pipeline from the outer side of the protective wall. The anchor and insert are made with the possibility of locking the teeth in the grooves during torsion. The insert is provided with a postulated break site. The stop makes it possible to increase the safety of operation of high-pressure pipelines.

A pressure relief structure for floating joint includes a hollow fixed retainer have an inner wall groove; an adapter joint having a first section assembled to the fixed retainer and a second section extended to a holed closed side of the fixed retainer, and a shoulder portion formed between the first and second sides; a slidable member including a base flange radially slidably attached to an outer wall surface of the closed side and a cylindrical portion extended into the fixed retainer to connect with the second section; an internal retaining ring set in the inner wall groove with an abutting surface flush with the shoulder portion; and an abutting washer pushed by a spring against the abutting surface and the shoulder portion to receive two supporting forces, enabling a reduced radial friction between the adapter joint and the abutting washer and reliable linear pipe connection via the floating joint.

Modular marking device for pipes and pipe assemblies, characterized in that it includes a unit for marking with a light beam using a laser.

The described conduit identifying device comprises a flexible strip that can be configured in an open state for placement around a conduit and then assumes a coiled state to securely retain the device around the conduit. The strip is preferably biased to the coiled state, ensuring it remains attached and preventing accidental dislodgment. The device may include a locking mechanism and the strip can be made from a bistable metallic core covered with nonmetallic, high visibility materials such as fluorescent fabrics, phosphorescent materials, or reflective tapes. An indicator marking on the strip may provide clear visual identification of the conduit type. The conduit identifying device addresses the shortcomings of current practices, such as the use of adhesive stickers, which can become dislodged, leading to potential hazards and operational inefficiencies. This device ensures reliable and visible conduit identification, enhancing safety and efficiency in various environments.