867results about "Pipe couplings" patented technology

A pipe connector for use in high temperature environments, such as those characteristics of molten salt reactors. The pipe connector can be used in any industry that uses pipe connectors, and in particular, can be used in a molten salt system including a reactor requiring a connection rated for a maximum of about 725° C. and about 15,000 psi. The pipe connector may comprise a pin, a seal ring, a retainer ring, a box, a locking nut, and a retaining nut.

The invention provides a fluid coupler. The fluid coupler comprises a body, a supporting part, a valve assembly, a switch piece and an interlocking mechanism. The body is provided with a butt joint platform. The supporting part is annularly arranged at the first end of the body, is adjacent to one side, back to the butt joint surface, of the butt joint platform, is provided with a first mounting surface and a second mounting surface, and is internally provided with a limiting cavity and a clamping bolt hole; and the limiting cavity axially penetrates through the second mounting surface and the butt joint surface and is communicated with the safety bolt hole. The clamping bolt hole is opened in the first mounting surface and is communicated with the limiting cavity; the valve assembly comprises a ball core which is provided with a channel and is pivoted in the body. The switch piece is arranged on the first installation face and comprises a handle and a spring bolt, the handle is provided with a pivot joint part and a limiting groove, and the ball core is driven to rotate through the upper valve body. The interlocking mechanism comprises a safety bolt, a spring and a clamping bolt. The safety plug is arranged in the limiting cavity, and the spring provides elastic force so that the safety plug can be maintained at the preset position. The clamping bolt is arranged in the clamping bolt hole and provided with a limiting part and a locking part which are matched with the limiting groove and the safety bolt ring groove respectively so as to control locking and unlocking of the handle.

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 pipe coupling has two segments with action surfaces in facing relationship. Attachment elements on each segment, in the form of lugs, accommodate adjustable fasteners which draw the segments together when tightened. Support surfaces on the lugs engage one another to visually indicate that a proper installation of the coupling has been achieved.

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 heat sealing using a protruding die that reduces the resultant tension of the removable membranes.

Fluid handling couplings can include a main body with a front face and defining a longitudinal axis. Fluid handling couplings can include a post extending parallel to the longitudinal axis, and a post receptacle. Fluid handling couplings can include a seal coupled to the main body around the longitudinal axis. A portion of the seal can protrude from the front face of the main body. Fluid handling couplings can include a removable membrane releasably attached to the front face of the main body and covering the portion of the seal protruding from the front face of the main body. Fluid handling couplings can be genderless, can include manually openable valves, and can be configured for single-use aseptic fluid handling usage.

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 pipe coupling includes a coupling body comprising a first coupling segment and a second coupling segment, each of the first and second coupling segments defining a first end and a second end opposite the first end; a fastener mounted to the coupling body and configured to tighten the pipe coupling from an untightened configuration to a tightened configuration; and an installation indicator arranged between the first end of the first coupling segment and the first end of the second coupling segment, wherein the installation indicator is clamped between the first and second coupling segments in the tightened configuration.

Disclosed are chromatography systems employing a releasable coupling 100 for holding a fluid tubing to a spigot, the coupling comprising: a cylindrical inner component 110 for accepting a fluid tubing 30, said inner component including a resiliently deflectable portion 118 arranged to urge an outer surface of the tubing toward a spigot; and a cylindrical collar 130 having and internal through-aperture 132 for slideably accepting the inner component, the aperture and resilient portion having complementary surface formations which in a first position of the collar mounted to the inner component provide for said resilient deflection in use, and which in a second different position do not cause said deflection, the coupling being characterized in that the collar comprises a collar flange 134 extending outwardly away from the aperture of a size allowing manual manipulation of the collar between the first and second positions. Chromatography systems employing said couplings is disclosed also.

A genderless aseptic connector system in which a plurality of connectors of substantially identical configuration each include connector housing having an internal surface defining a fluid passage between a connector end and connector housing face having an annular seal and a membrane positioned to cover the annular seal, wherein, upon engagement of a first connector housing and a second connector housing along a common juncture, a first membrane and a second membrane when correspondingly removed from a first annular seal coupled to the first connector housing and a second annular seal coupled to the second connector housing allow the first annular seal to engage the second annular seal to provide a sterile fluid passage.

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.

A conduit coupling includes a first connector at a first end of the conduit coupling, a second connector at a second end of the conduit coupling, and a stem between the first connector and the second connector. A first end of the stem is attached to the first connector. A second end of the stem is attached to the second connector. The stem is bent at a particular bend angle along a bend plane. The first connector includes an indicator that indicates an orientation of the bend plane.

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 assembly for connecting a tube having a tube connector and a flow restricting orifice. The flow restricting orifice includes a tubular nozzle having an insert portion for insertion into a mouth of the tube connector and a visible marking having a marking element which extends radially outwardly from the tubular nozzle and which includes a frangible connection which is connected to the tubular nozzle and which has at least one predetermined breaking point. The frangible connection is configured to release the marking element when the frangible connection is broken before the tube is completely pushed onto the tube connector. The marking element is configured to be retained on the tube connector or on a tube connected to the tube connector to remain, wherein the flow restricting orifice is fitted in a mouth of the tube connector.

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.

An end nut assembly comprising a nut body defining a first portion and a second portion, a first opening is adjacent the first portion and a second opening is adjacent the second portion, and an axial bore extends between the first opening and the second opening. A bite ring defines an outer ring and a plurality of teeth extends radially inwardly from the outer ring, and a spacer defines an inner surface and an outer surface, wherein the inner surface defines a cavity centrally located within the spacer. The end nut assembly does not contain an o-ring.

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.