Abstract: The disclosure relates to a profile clamp for connecting two tubular bodies wherein: the profile clamp has a clamp band having a profile cross-section that is open on the radially inner side; the clamp band, at at least one end, has a first transition portion and an adjoining, radially protruding clamping portion; and the clamping element can be clamped in the circumferential direction in order to tighten the profile clamp. A width of a base of the profile cross-section evenly increases from the end of the first transition portion facing away from the clamping element to the clamping element.

Abstract: An insert piece for inserting into a rapid connector device for fluid lines. The insert piece comprises a hollow cylindrical main part, and the hollow cylindrical main part extends between a front annular surface and a rear annular surface along a cylinder axis and has a passage opening extending along the cylinder axis and an outer lateral surface for arranging on the inner wall of a rapid connector device The passage opening has a passage section which expands in the direction of the front annular surface. The insert piece can prevent a fluid line and/or a rapid connector device from being damaged.

Abstract: In the case of a connector for inserting into a receiving depression in a housing, having a stub with a flow channel formed therein, the flow channel extending as far as a frontal end of the stub and being surrounded by a lateral surface. Provision is made for a bracing ring to surround the lateral surface. The bracing ring is designed so that, as a result of an axial force acting on the bracing ring and being directed towards the frontal end, the bracing ring can be pushed all the way onto the lateral surface, an external diameter being increased in the process.

Abstract: A vehicle drive having a vacuum system for a vehicle having an internal combustion engine that is connected to a supply air line and to an exhaust air line. The vacuum system has an ejector. A propellant gas line opens into a nozzle channel of a propellant nozzle of the ejector. The nozzle channel opens into a mixing chamber of the ejector through a nozzle opening. A suction line opens into the mixing chamber and the mixing chamber on an outlet side opens directly or indirectly into a mixed gas line. The mixed gas line opens into the supply air line. The suction line is connected to a vacuum consumer, and the nozzle opening in the propellant nozzle is formed by a nozzle edge having teeth and/or corrugations.

Abstract: The present inventive concept relates to a method for forming a Bluetooth network performing communication based on post-quantum cryptography at an application level and a Bluetooth network operating system that performs the same. A method for forming a Bluetooth network performed by a master device to perform Bluetooth communication with a slave device, according to an embodiment of the present invention, comprises the steps of: completing pairing with the slave device; receiving a certificate and an authentication message from the slave device; authenticating the slave device by using the certificate and the authentication message; generating a public key and a private key; generating a symmetric key by using the public key and the private key; and performing Bluetooth network communication by using the symmetric key.

Abstract: The technical idea of the present invention relates to a method for forming virtual private network providing virtual private network through sealed key exchange based on post quantum cryptography and a virtual private network operating system performing same. A method for forming a virtual private network performed by a server according to an embodiment of the present invention comprises the steps of: generating a public key and a private key; transmitting the public key; receiving a key capsule corresponding to the public key; generating a verification capsule from the key capsule using the private key; generating a symmetric key by verifying the verification capsule; and performing communication through the virtual private network using the symmetric key.

Abstract: An angle piece for fluidically connecting fluid lines of a vehicle. The angle piece has a channel portion for altering a flow direction of a fluid about an alteration angle. An input flow direction of the fluid into the angle piece and an outlet flow direction of the fluid from the angle piece form limbs of the alteration angle. At least one guide element is arranged in the channel portion, which guide element protrudes into the channel portion. The at least one guide element altering the flow direction of a part of the fluid by the alteration angle. The angle piece thus has a low pressure drop.

Abstract: A device for connecting two tubular objects has a connection piece housing and a securing element. The securing element is shaped in a complementary manner with respect to a receiving opening of the connection piece housing and is arranged rotatably in the receiving opening and has an insertion opening for receiving a connection piece. The securing element has securing tabs which are spaced apart from one another in the circumferential direction and each have a radially inwardly facing securing body for engaging in shaped features of a connection piece and can be moved from a first position into a second radial position lying radially on the outside. The connection piece housing has, for each securing tab, a ramp surface which is bevelled radially inwards and on which the securing tab rests.

Abstract: A profile clamp with a clamp band and an annular ring element with a ring body is provided. The clamp band has two clamping heads which are connected to one another via a clamping element. The ring element includes at least one first latching tab, which is arranged projecting from the ring body in the axial direction of the profile clamp and projecting out of the profile clamp at least in some sections. The first latching tab has a first latching portion and a free-swinging portion extending opposite thereto. The first latching portion is designed to exert a force, and the first latching portion has a first contact edge that is designed to create a point contact or a line contact with a flange of the pipe end.

Abstract: A quick connector includes a housing having a receiving chamber for receiving, in a fluid-tight manner, a connecting piece, the receiving chamber transitioning into a line portion for conveying a fluid. A sealing chamber, which surrounds at least parts of the circumference of the receiving chamber and has at least one sealing ring arranged in the sealing chamber. A closure unit for locking the at least one sealing ring in the sealing chamber. The closure unit includes a sleeve, which delimits at least parts of the sealing chamber and has at least one arm extending from the sleeve, which arm is designed to lock the closure unit on the housing.

Abstract: A fluid line quick connector has a retainer and a data matrix. The retainer is caused to move via a spigot upon insertion of the spigot within the fluid line quick connector. The data matrix is obstructed by the retainer when the spigot is not inserted in the fluid line quick connector, and is revealed when the spigot is inserted in the fluid line quick connector. When obstructed, a suitable reading and scanning of the data matrix cannot take place. And when revealed, in contrast, a suitable reading and scanning of the data matrix can occur.

Abstract: An apparatus for coding a first connection partner and a second connection partner of a bayonet lock. The first connection partner has at least two locking arms for locking the connection and is arranged on a fluid line adapter. The second connection partner has a flange ring for guiding through the first locking partner with a number of recesses which corresponds to the number of locking arms for guiding through the locking arms and is arranged on an adapter receiving member. A first locking arm has a different geometry from the other locking arms. A first recess which is associated with the first locking arm has a compatible geometry for positioning the first connection partner and the second connection partner in a predefined position, and the additional recesses have a different geometry which is not compatible with the first locking arm. The apparatus further has a mechanical coding device.

Abstract: A clamp assembly has a clamp with a clamp band and a clamping device for clamping the clamping band and has a heat protection device with a housing and at least one insulating layer. The housing has a respective wall at each axial end face, the wall being divided into sections and protruding radially inwards, and the at least one insulating layer can be positioned between the walls of the housing. The clamp can be surrounded at least in some regions by the housing and/or the at least one insulating layer of the heat protection device, and the heat protection device is designed to be connectable to the clamp.

Abstract: A device for pre-positioning a profile clamp for connecting line end pieces. The device has a bridge element of a profile clamp and a flange element on one of the line end pieces. The bridge element is designed to connect two clamp portions of the profile clamp along a bridge direction. The bridge element has a finger that extends away from the bridge element at least partly transversely to the bridge direction and has a free end portion. The flange element comprises a recess for receiving the free end portion. The recess blocks a movement of the free end portion along a circumferential direction of the flange element.

Abstract: A jet pump comprising a jet nozzle for accelerating a propellant. The jet nozzle has a convergent inlet part and an outlet part connected to the convergent inlet part. The outlet comprises an inner wall diverging at an opening angle. The opening angle is designed such that a propellant flowing through the outlet part at subsonic speed is detached from the inner wall and a propellant flowing through the outlet part at supersonic speed is guided by the inner wall. An automatic, cost-effective and simple changeover of the jet pump to different pressure ratios is hence provided.

Abstract: A device for connecting two tubular objects has a connection piece housing and a sleeve-like element. The connection piece housing having a sleeve portion with an insertion opening and with at least one radially continuous cut-out. The sleeve-like element being complementary to the insertion opening for insertion into the insertion opening. The sleeve portion having at least one first engagement element and the sleeve-like element having at least one second engagement element, which mutually correspond in order to lock the sleeve-like element in the sleeve portion and which can be moved from an open relative position into a locked relative position.

Abstract: A profiled clamp with a profiled strip and an annular seal element. The profiled strip has two clamping heads which are connected together via a clamping element. The profiled strip has at least one radially outer positioning aid which has a spring elastic contact section for adapting to a shape characteristic of a line end that can be coupled to the profiled clamp, the aid being arranged in an axially offset manner to the profiled strip.

Abstract: A device for connecting fluid lines and other lines. The device has a first connection component for connecting fluid lines and a second connection component for connecting other lines. The first connection component has a first functional position, in which the first connection component disconnects the two fluid lines from one another, and a second functional position, in which the first connection component connects two fluid lines. The second connection component, in a connection position, connects two other lines and, in a release position, disconnects the two other lines from one another.

Abstract: A fluid line quick connector for joining fluid lines together, such as coolant fluid lines in electric vehicle automobile applications, among other possible applications. A check valve is incorporated into the fluid line quick connector in order to preclude unwanted backflow through a passage of the fluid line quick connector. The check valve has a rigid partition wall and a flexible diaphragm. The partition wall has one or more through-holes residing therein. The diaphragm closes the through-hole(s), and moves relative to the partition wall in order to open a portion or more of the through-hole(s).