Abstract: The invention comprises a method of using a scalable, configurable “propulsor” system to move and navigate a submersible device through a fluid medium. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and configured by computer-controlled actuators so that the control surface undulates in various wave forms. Optional actuators that may refine the surface shape include an “orientation” actuator that drives rotation about the propulsor's longitudinal axis, and a “geometry” actuator that controls each propulsor's geometric configuration.

Abstract: The invention comprises a scalable, configurable “propulsor” system. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and configured by computer-controlled actuators so that the control surface undulates in various wave forms. Optional actuators that may refine the surface shape include an “orientation” actuator that drives rotation about the propulsor's longitudinal axis, and a “geometry” actuator that controls each propulsor's geometric configuration.

Abstract: The invention comprises a scalable, configurable “propulsor” system. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and configured by computer-controlled actuators so that the control surface undulates in various wave forms. Optional actuators that may refine the surface shape include an “orientation” actuator that drives rotation about the propulsor's longitudinal axis, and a “geometry” actuator that controls each propulsor's geometric configuration.

Abstract: The invention comprises a method of using a scalable, configurable “propulsor” system to move and navigate a submersible device through a fluid medium. A propulsor system is an assembly of individual propulsors that act in concert to form a substantially continuous control surface that undulates in a working fluid. Each propulsor is driven and configured by computer-controlled actuators so that the control surface undulates in various wave forms. Optional actuators that may refine the surface shape include an “orientation” actuator that drives rotation about the propulsor's longitudinal axis, and a “geometry” actuator that controls each propulsor's geometric configuration.

Abstract: A marker buoy is provided for use with a flexible line tied to a weighted sinker. The buoy includes a watertight, transparent dome assembly with an interior light source positioned therein. The dome assembly resides on a buoyant housing with a bottom aperture and line guide for receiving and guiding a flexible line for winding on a reel assembly positioned within the housing. The reel assembly utilizes a spiral coil spring that is wound as the line unwinds from the spool and acts to return excess line to the spool as the sinker attached to the line comes to rest on its intended submerged surface. In one embodiment a reduction gear is provided to increase the number of spool turns available before the spring winds completely.

Abstract: The present invention provides a wave generating apparatus for generating waves in for example beds, chairs and the like. In one aspect the device includes a motor driven crankshaft to which are attached several longitudinal beams. The beams mounted on the crankshafts are offset with respect to each other in such a way as to produce a phase shift between the beams. Each beam is provided with several links pivotally attached at one end to each beam and the links are spaced apart along each beam by a distance equal to the desired wavelength of the wave being produced. The other ends of each link is attached to a flexible membrane which forms a support surface of the bed or chair. The links from the different beams are interleaved at equal phase intervals so as to produce a transvers traveling wave in the flexible membrane so that a complete wave passes during each full rotation of the crankshaft assembly.

Abstract: The present invention provides a wave generating apparatus for generating waves in for example beds, chairs and the like. In one aspect the device includes a motor driven crankshaft to which are attached several longitudinal beams. The beams mounted on the crankshafts are offset with respect to each other in such a way as to produce a phase shift between the beams. Each beam is provided with several links pivotally attached at one end to each beam and the links are spaced apart along each beam by a distance equal to the desired wavelength of the wave being produced. The other ends of each link is attached to a flexible membrane which forms a support surface of the bed or chair. The links from the different beams are interleaved at equal phase intervals so as to produce a travelling wave in the flexible membrane so that a complete wave passes during each full rotation of the crankshaft assembly.

Abstract: A fluid forcing device comprising many rotatable slender elements that converts mechanical energy into fluid energy by mechanically arranging and maintaining, at all time, the rotatable slender elements in a predetermined wave form and by mechanically moving the wave form in a direction normal to the rotation of the elements by an improved drive comprising two fluted rollers. The new drive reduces the weight and complexity of the entire fluid forcing device and renders it more mechanically rigid and less vibration prone.

Abstract: A fluid forcing device comprising many rotatable slender elements that converts mechanical energy into fluid energy by mechanically arranging and maintaining, at all times, the rotatable slender elements in a pre-determined wave form and by mechanically moving the wave form in a direction normal to the rotation of the elements.