A fluid pump comprising a conical body having an apex, a base and defining a lateral surface between the apex and base; a mating surface defined by a pump plate; a flexible membrane having a first face comprising a first part which is attached to at least a portion of the lateral surface of the conical body and a second part which is free, and having a second, opposite face secured around its periphery to the mating surface; and a driver adapted to drive the conical body; wherein the mating surface includes a fluid inlet port and a fluid outlet port, the fluid inlet port being spaced from the fluid outlet port; the driver includes a drive shaft and a drive plate carried by the distal end of the drive shaft, wherein the drive plate is inclined with respect to a plane normal to a longitudinal axis of the drive shaft such that the drive plate drives the conical body to precess about its apex in use such that at any given time the flexible membrane defines a contact portion in contact with the mating surface where the lateral surface of the conical body is adjacent to the mating surface, and defines a non-contact portion which is spaced from the mating surface; a pump chamber is defined by a cavity formed between the non-contact portion of the flexible membrane and the mating surface; the pump chamber rotates about an axis of the mating surface as the conical body precesses about its apex; and fluid is drawn into the pump chamber as it passes the fluid inlet port and the fluid is urged out of the pump chamber as it passes the fluid outlet port.

A device comprising a first plate disposed on top of a second plate where the first and second plates are parallel and separated by a fixed distance with a spacer, and wherein the spacer fits around the perimeter of the first and second plates creating a void space, and wherein the second plate has a plurality of pin-sized holes, and wherein a pump sits in the void space and is operably coupled to the plates, wherein the plates are operably coupled to the bottom, exterior hull of an Unmanned Underwater Vehicle (UUV), and wherein the pump is configured to pump liquid into the void space between the parallel plates.

A conveyor device for at least conveying a fluid with at least one conveyor chamber is provided. The conveyor device includes at least one dimensionally stable conveyor chamber element that at least partially delimits the conveyor chamber and with at least one elastically deformable and, in particular, annular conveyor element, particularly a conveyor membrane, that delimits the conveyor chamber together with the conveyor chamber element and is arranged on the conveyor chamber element, wherein the conveyor element has at least one sealing extension that is designed integrally with a base body of the conveyor element and at least partially arranged in a sealing groove of the conveyor chamber element when the conveyor element is arranged on the conveyor chamber element.

An active cooling system is described. The active cooling system includes at least one cooling element that has a vent therein and is in communication with a fluid. The cooling element(s) are actuated to vibrate to drive the fluid toward a heat-generating structure and to alternately open and close at least one virtual valve corresponding to the vent. The virtual valve is open for a low flow resistance and closed for a high flow resistance. The vent remains physically open for the virtual valve being closed.

A valved manifold module is disclosed, constructed and arranged to be readily connected in a chain with similar modules to form a manifold assembly. The modular manifolds allows for expansion or modification of the manifold assembly to control a group of pneumatically or hydraulically driven pumps, valves or combinations thereof in a liquid flow control apparatus. The valved manifold module can be configured to accept a group of four substantially identical valve assemblies, and can be controlled by a local controller mounted to the manifold module, thus forming an independently programmable valved manifold module. The resulting modular system is expandable to allow for coordinated operations of a liquid flow control system, using substantially independent controller functions originating at the manifold assembly level.

A valved manifold module is disclosed, constructed and arranged to be readily connected in a chain with similar modules to form a manifold assembly. The modular manifolds allows for expansion or modification of the manifold assembly to control a group of pneumatically or hydraulically driven pumps, valves or combinations thereof in a liquid flow control apparatus. The valved manifold module can be configured to accept a group of four substantially identical valve assemblies, and can be controlled by a local controller mounted to the manifold module, thus forming an independently programmable valved manifold module. The resulting modular system is expandable to allow for coordinated operations of a liquid flow control system, using substantially independent controller functions originating at the manifold assembly level.

A tube retention device includes first and second wall surfaces having a first attachment point and a second attachment point, respectively. A first clamp component, having a first tube-engagement surface, is pivotably coupled to the first wall surface at the first attachment point, and configured to rotate about an axis at least approximately normal to the first wall surface. A second clamp component, having a second tube-engagement surface, is pivotably coupled to the second wall surface at the second attachment point, and configured to rotate about an axis at least approximately normal to the second wall surface. The clamp components may be configured to rotate, in opposite directions and in response to application of force by a tube piece upon the tube-engagement surfaces, from an open position to a closed position, where the tube piece is retained between the clamp components when the clamp components are in the closed position.

A pumping device, comprising an actuator and a closure, the actuator being connected to the actuator. The pumping device further comprises a collapsible bladder, the collapsible bladder being formed by connecting a plurality of segments, and an included angle being formed between two adjacent segments, wherein at least two adjacent segments are connected to each other by means of a weakened portion.

A membrane system comprising a membrane and connecting elements for connecting the membrane to a membrane pump for conveying a fluid, which membrane pump has a drive shaft designed for an oscillating translatory movement perpendicular to the plane of the membrane during operation of the membrane pump and has an external thread at an end portion for engagement with the membrane system by screwing. To ensure a secure and torque-proof connection between the membrane and the connecting element to be screwed to a drive shaft, the connecting elements comprise a threaded socket, a thrust ring and a thrust plate.

A peristaltic pumping device of linear type, includes a section of deformable tube crossed by a fluid whereon at least a peristaltic compression is implemented; and an actuator, including a rotating element provided with one or more helical ribs arranged projecting from its surface to interfere, along the rotation of the rotating element, with said deformable tube and, so as to determine thereon at least a localized, movable and continuous squeezing, moving along a predetermined direction, which implements peristaltic compression, the helical ribs are arranged along a helical axis with respect thereto they are fixed, the position thereof being tied with respect to the rotating element, wherein at least a portion of helical rib, which interferes with said deformable tube, is rotatable around the respective helical axis, thereby minimizing the friction thereof on the surface of the deformable tube, thereby allowing to reduce effectively the stress on the deformable tube.