초록 ▼

There is provided a new and useful fluid conduit coupling apparatus which allows quick connection and disconnection with substantially no introduction of ambient fluids or air into the process fluid. In one aspect of the invention there is provided a quick connect/disconnect coupling for a fluid con

There is provided a new and useful fluid conduit coupling apparatus which allows quick connection and disconnection with substantially no introduction of ambient fluids or air into the process fluid. In one aspect of the invention there is provided a quick connect/disconnect coupling for a fluid conduit, the coupling comprising assemblies for attaching to the ends of a conduit to be connected and for subsequently mating together, each assembly comprising a normally closed channel; means for expelling fluid from between the assemblies when the assemblies are to be connected to each other; means for preventing fluid from entering the assemblies from outside when the assemblies are being connected; means for opening the normally closed channels, means operable by the connecting of the assemblies to each other; latch means for securing the assemblies together, the latch means disconnectable by means of a hand operated unlatching means or by the application of a predetermined tensile force.

대표청구항 ▼

There is provided a new and useful fluid conduit coupling apparatus which allows quick connection and disconnection with substantially no introduction of ambient fluids or air into the process fluid. In one aspect of the invention there is provided a quick connect/disconnect coupling for a fluid con

There is provided a new and useful fluid conduit coupling apparatus which allows quick connection and disconnection with substantially no introduction of ambient fluids or air into the process fluid. In one aspect of the invention there is provided a quick connect/disconnect coupling for a fluid conduit, the coupling comprising assemblies for attaching to the ends of a conduit to be connected and for subsequently mating together, each assembly comprising a normally closed channel; means for expelling fluid from between the assemblies when the assemblies are to be connected to each other; means for preventing fluid from entering the assemblies from outside when the assemblies are being connected; means for opening the normally closed channels, means operable by the connecting of the assemblies to each other; latch means for securing the assemblies together, the latch means disconnectable by means of a hand operated unlatching means or by the application of a predetermined tensile force. tal element is fixable relative to the pivot bearing body in two mutually opposite directions of rotation about the pivotal axis by means of interlocking elements. 12. A trailer coupling in accordance with claim 2, wherein in the operative position of the ball neck, the pivotal element is fixed relative to the pivot bearing body in said non-rotatable position. 13. A trailer coupling in accordance with claim 4, wherein interlocking elements are restrainable in said non-rotatable position by means of a wedge mechanism. 14. A trailer coupling in accordance with claim 13, wherein the interlocking elements are arranged between the pivotal element and a bearing element of the pivot bearing body, and the wedge mechanism is effective on the pivotal element and on the bearing element. 15. A trailer coupling in accordance with claim 14, wherein the wedge mechanism is in direct engagement with the bearing element. 16. A trailer coupling in accordance with claim 13, wherein the wedge mechanism is formed by two interengaging threads. 17. A trailer coupling in accordance with claim 1, wherein a wedge mechanism is provided for producing the movement of the pivotal element along the pivotal axis relative to the pivot bearing body. 18. A trailer coupling in accordance with claim 17, wherein the same wedge mechanism serves for the displacement of the pivotal element relative to the pivot bearing body and for restraining the interlocking elements. 19. A trailer coupling in accordance with claim 1, wherein the pivotal element is movable along the pivotal axis between individual positions by means of a motorized drive. 20. A trailer coupling in accordance with claim 19, wherein a wedge mechanism driven by the motorized drive is provided for producing the movement of the pivotal element along the pivotal axis relative to the pivot bearing body. 21. A trailer coupling in accordance with claim 1, wherein in the pivotable position relative to the pivot bearing body, the pivotal element is pivotable between the operative position and the rest position by means of a motorized drive. 22. A trailer coupling in accordance with claim 20, wherein the motorized drive is provided exclusively for the pivotal movement of the pivotal element. 23. A trailer coupling in accordance with claim 21, wherein a pivoting drive for the pivotal element is derived from the motorized drive and provides for the displacement of the pivotal element along the pivotal axis between individual positions. 24. A trailer coupling in accordance with claim 23, wherein the pivoting drive is coupled to the motorized drive via a torque transmitting coupling for moving the pivotal element along the pivotal axis. 25. A trailer coupling in accordance with claim 1, wherein the pivotal element is mounted on the pivot bearing body by means of a bearing pin. 26. A trailer coupling in accordance with claim 25, wherein the pivotal element is rotatable relative to the bearing pin. 27. A trailer coupling in accordance with claim 25, wherein a displacement of the pivotal element between individual positions is attained by means of a displacement of the bearing pin along the pivotal axis. 28. A trailer coupling in accordance with claim 27, wherein interlocking elements are adapted to be restrained together by displacement of the bearing pin for fixing the pivotal element in a non-rotatable manner. 29. A trailer coupling in accordance with claim 25, wherein the bearing pin is rotatably mounted in the pivot bearing body to effect a pivotal movement of the pivotal element relative to the pivot bearing body. 30. A trailer coupling in accordance with claim 29, wherein a torque producing coupling is provided between the rotatably driven bearing pin and the pivotal element. 31. A trailer coupling in accordance with claim 1, wherein the pivotal element is movable along the pivotal axis between the pivotable position and a holding position in which the pivotal element is fixed on the pivot bearing body in a mutu