1117results about "Pipe couplings" patented technology

A multi-layer seal formed with a first layer for visual detection of leak by incorporating coloring agent that is water soluble, a second layer for electrical detection of a leak by a sensor, the second layer incorporating disbursable agent which disburses into the water upon contacting water and causing a change in chemical, and / or electrical property of the water, and a third layer made of water swelling material which swells upon contact with water. The three layers may be arranged in an orientation wherein a leak would first reach the first layer, then reach the second layer, and lastly reach the swelling layer. The sealing layer arrangement may be correlated to the fluid flowing direction. The layers may form independent parts placed side-by-side or may be integrated into a single seal loop.

The disclosure relates to a plug connector for connecting pipes for liquids or gaseous media, comprising a connector body and a locking element. An indicator element includes an indicator surface, wherein the indicator element is pretensioned by a spring element into an indicator position and can be moved between a rest position, in which the indicator surface is at least partly covered, and the indicator position, in which the indicator surface is visible, wherein the indicator element is coupled to a first latching element and a second latching element. The first latching element is configured to hold the indicator element in the rest position against the spring force of the spring element and the second latching element is configured to hold the indicator element in an intermediate position between the rest position and the indicator position against the spring force of the spring element.

A system may include a sealing sleeve disposable about a tubing union joining a lower tubing and an upper tubing, at least one lower seal disposable proximate a lower end of the tubing union between the sealing sleeve and the lower tubing, and at least one upper seal disposable proximate an upper end of the tubing union between the sealing sleeve and the upper tubing. The at least one upper seal, the at least one lower seal, and the sealing sleeve form a pressure test cavity about the tubing union. The system may also include a fluid path configured to provide fluid communication between the pressure test cavity and a pressure test port.

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 device for lubricating a surface of a tubular element includes a shaft portion having a longitudinal axis, where the shaft portion is formed from plastic, and a brush portion located on the shaft portion. The brush portion has at least one contact zone for contacting a surface. The brush portion is formed from a brush portion material and a lubricant agent, which is transferred from the at least one contact zone to a surface during use.

The present disclosure provides a female connector for receiving and being secured with a male connector. The female connector comprises a housing and an indicating slider. The housing defines therein a channel extending in an axial direction and is provided with an opening extending in the axial direction. The indicating slider is slidably connected to the housing and configured to be slidable in the axial direction. The indicating slider extends from the opening into the channel of the housing, and is configured to be capable of sliding under the push of a retaining flange of the male connector when the female connector receives the male connector through the channel, and to reach an indicating position when the male connector is secured in place in the female connector.

A device for lubricating a surface of a tubular element includes a shaft portion having a longitudinal axis, and a brush portion located on the shaft portion. The brush portion comprises at least one radial projection having a helical form. The protrusion comprises at least one contact zone for contacting a surface. An outer diameter of the helical form formed by the at least one contact zone is tapered at both longitudinal ends of the brush portion such that the outer diameter of the helical form is reduced at the longitudinal ends of the brush portion. The brush portion is formed from a brush portion material and a lubricant agent which is transferred from the at least one contact zone to a surface during use.

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 pipe coupling has two segments with lugs adapted to receive adjustable fasteners to draw the segments together to join pipe elements. Each lug has an inner surface and a stop surface in spaced relationship. The stop surfaces on corresponding lugs contact each other when the adjustable fasteners are tightened.

A plug-type coupling for connecting first and second fluid lines or a sub-assembly, which are designed with a mating plug-type coupling. The plug-type coupling including a housing including a sleeve section with a receiving channel (8) for axially receiving an adapter sleeve. The adapter sleeve being removably held in a positive-locking manner. The adapter sleeve includes a through-opening for a plug shaft of the mating plug-type coupling and a retaining means for removable attachment of the mating plug-type coupling. In an assembled state, the retaining means axially blocks the mating plug-type coupling with respect to the assembly axis. A locking element is arranged on an outer circumference of the sleeve section and is axially movable from a release position, which releases the retaining means, into a locking position, which locks the retaining means. In the release position, the locking element is fixed against axial movement into the locking position.

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.

Disclosed is a fluid coupling comprising a receiving element, a securing element, a retaining element and a plug-in element, the securing element being designed to be displaceable between a release position and a locking position, the securing element being engaged with the retaining element in the release position of the securing element, the plug-in element allowing the securing element to be displaced, the fluid coupling comprising a spring element which exerts a spring force on the securing element so that the securing element is preloaded in the direction of its 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 provides a fluid leakage sensing system and method for a marine hose, which can sense the presence or absence of fluid leakage of various types of marine hoses with high precision. A detection element (15) for forming a loop circuit (17) connected to a passive IC tag (11) is made to continuously extend in the longitudinal direction of the hose body between an inner surface layer (3) and a first reinforcement layer (4) by using a conductive rubber or a conductive paste having a resistance value that changes to a reference value or more as a result of the infiltration of a fluid (L), and the IC tag (11) is disposed on the surface of a marine hose (1). Resistance value data Dr in the loop circuit 17 when the IC tag 11 is activated by the transmission radio wave R1 transmitted from the communication device 19 is transmitted to the communication device 19 by a reply radio wave R2 transmitted by the IC tag 11 in accordance with the transmission radio wave R1 and input to the arithmetic device 20, and the presence or absence of leakage of the fluid L is determined on the basis of the magnitude of the difference between the resistance value data Dr and the reference resistance value data Dc.

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.

Valve interconnector (1), suitable for use in combination with a receiver interconnector to couple a first hollow body associated to the valve interconnector to a second hollow body associated to the receiver interconnector, wherein the valve interconnector comprises a neck (7) to be secured to the first hollow body, a passageway (77) through the neck to allow fluid communication between the first hollow body and the second hollow body. The valve interconnector further comprises abase cap (8) secured to the neck, a valve assembly (5) secured to the base cap, the valve assembly being configured to assume at least a closed position and at least an open position. The valve interconnector further comprises a sealing ring (3) configured to provide a leakproof connection between the valve interconnector and the receiver interconnector. The valve interconnector further comprises a code ring cap (9), wherein the code ring cap (9) further comprises a head portion (99) covering at least a portion of the external surface of the head portion (89) of the base cap (8), the head portion (99) of the code ring cap (9) comprising a sealing ring enclosing portion (91) configured to cooperate in retaining the sealing ring (3) within the sealing ring seat (2).

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.

The disclosure relates to a pipe joint applicator with a control device and a method for producing a joint between a first pipe element and a second pipe element. The pipe joint applicator with a control device thereby detects actual process parameters via means for actual value detecting. The pipe joint applicator with a control device and the method determines therefrom the target process parameters for process control means for controlling the process parameters to be delivered to a pipe joint to be made. The pipe joint applicator with a control device optionally compares at least one actual value of the process parameters to at least one target process parameter and, in the event of deviation from at least one tolerance value range, issues an alarm to the user and / or generates an error protocol.

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.

The invention discloses an interface-adjustable butterfly valve with a leakage alarm function, and relates to the field of butterfly valves, the interface-adjustable butterfly valve comprises a valve body and a sealing valve plate rotatably mounted in the valve body, the upper end of the valve body is provided with a driving structure, the driving structure is fixedly connected with the sealing valve plate, and the outer side of the valve body is fixedly provided with two groups of mounting sleeves; a detection head is installed in the installation sleeve in a clamped mode, the outer side of the valve body is sleeved with two sets of lower clamping rings and upper clamping rings, and the lower clamping rings are rotationally connected with the upper clamping rings. According to the interface-adjustable butterfly valve with the leakage alarm function, external connection pipes of different sizes can be limited through the arc-shaped clamping blocks, so that the butterfly valve can be in butt joint with the external connection pipes of different sizes, the lower clamping ring and the upper clamping ring can be mounted and dismounted, and thus mounting and dismounting of an alarm are completed; and the alarm can be matched with the detection head to detect leaked objects, so that detection of the butterfly valve is completed, and the detection effect of the butterfly valve is effectively improved.