903 results about "Fluid coupling" patented technology

A coupling part for a fluid coupling device, especially a hose coupling, which has a looking device switchable between two positions. The locking device has locking elements mounted on a base body, and a socket-shaped actuating element that interacts with the locking elements. The coupling part is switchable between a retaining and releasing positions by an axial releasing movement of the actuating element. In the retaining position, the locking elements hold the counterpart of the coupling, e.g. a hose stem, to prevents it from being pulled out and, in the releasing position, the locking elements release the same in order to disengage the coupling. The actuating element can be moved from the retaining position into a locking position, prohibiting a releasing movement, by rotating the actuating element in a limited manner around the longitudinal axis of the coupling. As a result, the coupling is prevented from being unintentionally disengaged.

The present disclosure describes a dressing for use in a vacuum wound therapy procedure to promote healing of a wound. The dressing includes a cover layer for positioning over a wound to define a reservoir in which a reduced pressure may be maintained over the wound. A portal member is mounted relative to the cover layer and defines a fluid passage for fluid coupling with a reduced pressure supply conduit for creating the reduced pressure within the reservoir. A filter screen is mounted relative to the fluid passage and is dimensioned to minimize passage of tissue particles of predetermined dimension through the fluid passage of the portal member

A syringe safety device configured to form a fluid coupling between a sealed vial and a syringe having a barrel for receiving fluid and a luer cone extending from the barrel for dispensing the fluid therethrough. The luer cone has a distal end with a syringe orifice therethrough. A connector includes a vial end and a syringe end. The syringe is removably mountable to the syringe end and the vial is mountable to the vial end. A tip cap is removably mounted to the luer cone of the syringe. The tip cap and the distal end define an open receiving space therebetween. A needle is removably mounted to the connector. The needle includes a needle tip facing toward the syringe in an assembled configuration. The needle tip is positioned in the receiving space when the connector and syringe are positioned in an engaged position.

An impeller is directly driven by an output shaft of a core engine. The airflow produced by the impeller rotates an air turbine and a fan disposed integrally with the air turbine. The impeller and the air turbine form a fluid coupling which serves also as a speed reducing mechanism. The rotational speed of the fan can be reduced to be lower than that of the output shaft while retaining efficiency of the core engine. The outer diameter of the fan can be increased, raising a bypass ratio.

Disclosed herein is a system for the collection, treatment and delivery of an autologous blood sample, comprising a first syringe having a first body portion. A first sample transfer portion has a first syringe inlet for drawing an untreated blood sample from a patient and a first syringe outlet for dispensing the untreated blood sample. A blood sample treatment chamber having a chamber inlet, the first syringe outlet being operable to establish a dedicated first fluid coupling with the chamber inlet to dispense the untreated blood sample to the blood sample treatment chamber. The blood sample treatment chamber having a chamber outlet for dispensing a treated blood sample following treatment. The second syringe has a second body portion and a second sample transfer portion, the second sample transfer portion having a passage with a first access location which is operable to form a dedicated second fluid coupling with the chamber outlet. The second body portion has a second syringe outlet, the passage having a second access location for fluid communication with the second syringe outlet, releasable lock means for forming a locked third fluid coupling between the second access location and the second syringe outlet. The lock means is operable in response to a release signal to release the third fluid coupling, the second syringe outlet being operable when released from the third fluid coupling to form a fourth fluid coupling with a blood sample delivery unit.

A coupling apparatus for fluid dispensing with a disposable connector on the fluid line or fluid dispensing system side. The coupling apparatus includes an insert body that is connectable with a disposable connector device. The insert body includes a recess area defined between a first inner sidewall and a second inner sidewall. The second inner sidewall extends coaxially with the first inner sidewall, and has an aperture defining an opening through a first and second end. The connector device includes a connector body connected with an adapter portion. The connector body includes a beveled end that is insertable through the aperture of the second inner sidewall. The adapter portion is disposed proximate and extends past the beveled end, where the beveled end is recessed within the adapter portion. An insertion space is defined between the beveled end and an outer wall defined by the adapter portion. The adapter portion is insertable into the recess area and the insertion space is receivable of the second inner sidewall.

A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.

The invention concerns a system wherein the tool-bearing frame (1) and the tool (2) are each equipped with a multiple fluidic connection box, for example hydraulic provided with complementary male-female connecting members: each of said boxes is provided with a mobile and retractable protective cover, which normally covers the connecting members contained in said box. Said covers are arranged such that, in a first phase, the proper positioning of the tool-bearing-frame opposite the tool automatically causes the covers to retract, directly matching the fluidic connection members of the two boxes, so as to enable subsequently, in the second and third phases, the mechanical followed by the fluidic connection of the tool-bearing frame and the tool. The system protects the connecting members from the outside environment, while enabling easy and secure connection of the tool with the tool-bearing frame, without any risk of deterioration of the fluidic connectors.

An improved hydration system for runners that provides superior motion control and easy dispensing. Fluid is contained within a flexible bladder and pack, and attached to the waist. The pack is constructed of comfortable, elastic, and thermally-insulating fabric. When attached to the waist, tension in the fabric compresses the bladder against the user and dampens motion. Uniform distribution of fluid in the bladder contributes to motion control and is provided by a flexible plastic compression plate and snap elements that pinch the lower portion of the bladder. The snap elements can be disengaged to allow the bladder to be fully expanded for easy cleaning and drying. Fluid is dispensed from a small waist-mounted squeeze bottle that fills automatically from the bladder via fluid coupling elements. Check valves ensure that fluid flows unidirectionally from bladder to bottle to user, and prevent air infiltration into the squeeze bottle and bladder.

A system for delivering a flow of breathing gas to a patient that includes a main delivery conduit coupled to a gas source, and a rotary coupling device coupled to the main delivery conduit and having a first member and a second member, the first member defining a first channel and a second channel through the first member, the second member defining a third channel and a fourth channel through the second member. The first channel is in communication with the third channel to define a main channel having a main path, and the second channel is in communication with the fourth channel to define a secondary channel separate from the main channel and having a secondary path. The first member and the second member are structured to freely ro tate relative to one another in a manner that separately maintains the main path and the secondary path.

A syringe safety device coupling between a vial and a syringe, including a tubular connector having a first axial end receiving the vial and a second, opposing axial end releasably receiving a syringe. The tubular connector encloses a sliding joint having opposing open axial ends and a passageway between the ends. A first sliding joint end is adapted to engage a syringe needle. A second sliding joint end is configured to releasably engage a needle receiver. The syringe is releasably removable from the sliding joint after fluid coupling with the vial through the sliding joint, without removal of the needle or the sliding joint from the connector, which captures the needle with the sliding joint in the connector. The first end of a joint includes a receiver, adapted to releasably receive a removable syringe needle, and a mount, adapted to releasably receive a releasable needle receiver of a syringe.

Hand-held apparatus and method for determining relative and / or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of transient shear waves and analyzing the reflected energy. Application of the input energy collected at different radial positions about a first axial location is used with wavelet based correlation techniques to better analyze the reflected energy signals. Quality of the abutment between the conduit end and a surface associated with the coupling may also be determined as a separate or combined feature of the axial position determination.

A drive device for a vehicle configured between an internal combustion engine and a wheel. The drive device includes a rotary electric machine, and an engagement device connecting the drive device to the engine by a fluid coupling using hydraulic pressure. A case houses at least a portion of the drive device and includes a support wall extending radially, and a cylindrical projecting portion projecting from the support wall toward a side in an axial second direction that is in a direction opposite to the axial first direction. The engagement device includes an operating oil pressure chamber supplied with the hydraulic pressure. A rotor member of the rotary electric machine is radially supported by the cylindrical projecting portion in a rotatable state via a support bearing. The cylindrical projecting portion is formed with an operating oil supply passage supplying oil to the operating oil pressure chamber.

This invention provides a female medical coupling port with an integrated port guide to enable more accurate and precise coupling of a male port coupling (such as the cannula of a syringe) and to prevent port exposure to non-sterile objects. The male and female ports can be arranged according to standard dimensions for male and female luer taper fittings recognized by ANSI and by ISO. This guide-shielded port is usable with the standard ANSI and ISO male cannula widely used in the medical field. In an embodiment the female port is used in medical fluid systems to receive a blunt male cannula, such as those found in the luer lock fitting of needle-less syringes and IV tubing systems to establish a mechanical coupling. Female ports allow coupling of devices (e.g. syringes and IV tubing) to a variety of medical applications including stopcocks, minimum fluid displacement medical couplings, female-to-female adapters, port dead-end caps, IV extension sets, pressure-monitoring devices, etc. The port guide can be constructed as a unitary part of the port, or can be a retrofittable structure that is either snapped into place on, for example, a female port stem, or slid onto a port, such as a minimum displacement fluid coupling. Appropriate drain ports can be provided in the port guide to prevent capture of excess fluid.

A hydrodynamic coupling device including: a housing; a sealing plate rotationally connected to the housing; a pump disposed within the housing; a turbine disposed within the housing and in fluid communication with the pump; and a dry chamber at least partially enclosed by the housing and the sealing plate. A hydrodynamic coupling device including: a housing; an electric motor rotationally connected to the housing; and a fluid coupling including a pump rotationally connected to the housing and a turbine rotationally connected to an output hub. The fluid coupling does not include a stator. A hydrodynamic coupling device including a space formed between a stator shaft and a pump hub and a sleeve disposed in the space. The sleeve divides the space into first and second channels.

The fluid coupling assembly for retaining a sealed joint includes the first member adapted to be connected to a first fluid conduit with a per sealing surface and a series of axially aligned serrations along with helical threads. A second member of a complementary configuration is adapted to be connected to a second fluid conduit with complementary threads and an axially extending cylindrical collar with spaced axial notches forming cantilevered beams. Each of the cantilevered beams can have teeth capable of engaging a series of serrations to provide an appropriate resistant force for both sealing engagement and disengagement. The teeth and serrations can remain in contact to provide a visual determination of a pretorqued force between the first member and the second member.

The invention relates to a centrifugal pendulum mechanism (1), in particular a trapezoidal centrifugal pendulum mechanism, for a damping device and / or a torque transmission device, in particular for a drive train of a motor vehicle, comprising a pendulum mass carrier (10), which can be rotated about a rotational axis (s) and on which a plurality of pendulum masses (22) or pendulum mass pairs (20) that can be moved relative to the pendulum mass carrier are provided in the circumferential direction (u), wherein two pendulum masses or pendulum mass pairs directly adjacent in the circumferential direction of the pendulum mass carrier are or can be mechanically coupled to each other by means of a damping element (40; 42; 44). The invention further relates to a damping device or a torque transmission device, in particular for a drive train of a motor vehicle; for example, a centrifugal pendulum, a torque converter, a clutch, a fluid coupling, a clutch assembly, a damper, a torsional vibration damper, a turbine damper, a pump damper, a dual mass converter, or a dual mass flywheel, or combinations thereof; wherein the damping device or the torque transmission device has a centrifugal pendulum mechanism according to the invention.

A torque transmission assembly, particularly a hydrodynamic torque converter, a fluid coupling or a wet clutch, includes a housing arrangement that includes a torsional vibration damper arrangement having an input region which is coupled to or can be coupled to the housing arrangement and an output region to be coupled to a driven member. The torque transmission assembly also includes at least one mass damper arrangement having a damper mass arrangement which is coupled to the torque transmission assembly by a mass damper elastic arrangement.

A drive device for a vehicle configured between an internal combustion engine and a wheel. The drive device includes a rotary electric machine, and an engagement device connecting the drive device to the engine by a fluid coupling using hydraulic pressure. A case houses at least a portion of the drive device and includes a support wall extending radially, and a cylindrical projecting portion projecting from the support wall toward a side in an axial second direction that is in a direction opposite to the axial first direction. The engagement device includes an operating oil pressure chamber supplied with the hydraulic pressure. A rotor member of the rotary electric machine is radially supported by the cylindrical projecting portion in a rotatable state via a support bearing. The cylindrical projecting portion is formed with an operating oil supply passage supplying oil to the operating oil pressure chamber.

Two coupling members are provided in respective butting end faces thereof with annular recessed portions surrounding respective fluid channels thereof and having annular projections each formed in a bottom face of the recessed portion. A gasket comprises a sealing portion having an outside diameter smaller than the diameter of the recessed portions and is positioned between the projections of the coupling members, and a guide has an outside diameter permitting the guide to be fitted into the recessed portions and positioned externally of the sealing portion. The butting end faces of the coupling members are movable into contact with each other when the coupling is tightened up properly. The sealing portion has an annular groove formed in an outer periphery thereof, and the sealing portion and the guide are connected together by a snap ring fitted in the annular groove.

A fluid flow assembly includes a storage container connected to a fluid coupling and retaining cylinder. The connection is secured by a bayonet connection and walls between the bases of the container and cylinder. The storage container has a ball valve assembly disposed at its base, which includes an upper housing, a lower extension, and a ball valve axially disposed therein. The cylinder includes an axial hollow elongate fluid outlet on the base, co-axially aligned with an outlet port of the ball valve assembly of the container. The upper portion of the fluid outlet is a male coupling, which penetrates into the outlet port, when the container is connected to the cylinder, and axially displaces a valve ball from its closed position into an open position, enabling fluid flowing thru the ball valve assembly of the storage container, into the hollow fluid outlet of the cylinder, and downstream of it.

A control apparatus for a dynamic power transmission apparatus is provided. The dynamic power transmission apparatus includes a differential mechanism, an electric generator, an electric motor, and a fluid coupling. The electric motor is disposed at a position apart from a transmission path along which a dynamic power of an engine is transmitted to a driving wheel. The fluid coupling is disposed between the electric motor and the transmission path. The control apparatus includes an electronic controller configured to restrict a charge of an electric storage apparatus with an electric power generated by the electric generator, depending on a state of the electric storage apparatus, and control the fluid coupling to differentially rotate and to drive the electric motor by the electric power such that a dynamic power loss is generated in the fluid coupling, when restricting the charge of the electric storage apparatus.

A vehicle control device including an input member drive-connected to a power source; a mechanical pump; an electric pump assisting the mechanical pump; a drive mechanism transmitting the rotational driving force of the input member to an output member; a fluid coupling between the input member and the drive transmission mechanism and including a lock-up engagement element which receives hydraulic oil discharged from the mechanical pump and the electric pump to operate; a state detection unit that detects the state of the one or more factors that the discharge of the electric pump; and a control unit which executes a first or second control mode, wherein the first control mode permits engagement of the lock-up engagement element if a first condition is satisfied based on the one or more factors, and wherein a second control mode inhibits engagement of the lock-up engagement element if the first condition is not satisfied.

A vehicle drive device includes a rotating electrical machine; and a fluid coupling on one side and coaxial with the electrical machine. A rotor is coupled to a housing of the fluid coupling via a disk-like member. The disk-like member is coaxial with the electrical machine, and includes a main body, and an outer fixing portion. The main body is disk-shaped and between the electrical machine and the fluid coupling. The fluid coupling includes joint fixed to the outer fixing portion. The outer fixing portion has a truncated conical surface, a diameter of which increases from the electrical machine to the fluid coupling. The joint is fixed to the rotary housing where it overlaps the rotary housing viewed in an axial direction, and includes a contact surface contacted by the outer fixing portion. The contact surface does not overlap the electrical machine as viewed perpendicular to the contact surface.

The fluid coupling assembly for retaining a sealed joint includes the first member adapted to be connected to a first fluid conduit with a per sealing surface and a series of axially aligned serrations along with helical threads. A second member of a complementary configuration is adapted to be connected to a second fluid conduit with complementary threads and an axially extending cylindrical collar with spaced axial notches forming cantilevered beams. Each of the cantilevered beams can have teeth capable of engaging a series of serrations to provide an appropriate resistant force for both sealing engagement and disengagement. The teeth and serrations can remain in contact to provide a visual determination of a pretorqued force between the first member and the second member.