Abstract: One illustrative system disclosed herein includes a separator vessel that is adapted to separate solids particles from a flow of a multi-phase fluid, a differential pressure sensing system that is adapted to measure a differential pressure of a column of the multi-phase fluid in the separator vessel and a control system that is adapted to determine at least one of a level, volume or weight of the separated solids particles within the separator vessel based upon at least the measured differential pressure of the column of the multi-phase fluid in the separator vessel.

Abstract: A lashing assembly with straps is provided for use with rollators. A rollator has a body two sections. The first section has two legs each having a handle with brake lever at a first end and a wheel at a second end. The second section has two legs, each having a first end pivotally connected to a first section leg and a second end with a wheel and brake thereon. A hinge assembly having two side supports and a crossbar interconnect the first section and second section. The body can be in a folded position or a deployed position. The lashing assembly has a two straps each with a ring at one end and an optional handle at the other. The straps can be fastened with fasteners. The lashing assembly can secure the rollator in a folded position and can be used to hang the rollator from a hanger.

Abstract: An electric hydrofoil board having a submersion-cooled powertrain is provided. A powertrain assembly, which includes a motor housed in a motor assembly and an electronic speed controller housed in a nose cone assembly that is fastened to the motor assembly, is attached to a lower end of a mast of the hydrofoil board so that the powertrain assembly remains submerged at all times during normal use of the hydrofoil board in a body of water. The flow of water around the powertrain assembly during normal use cools heat-generating components of the electronic speed controller and motor.

Abstract: An interface device (60) for mounting an accessory to a host (30), comprises a base (62) mountable on the host, a carrier (120) rotatably secured to the base, and a latch (130) having an engaged state in which the latch engages the base and resists rotation of the carrier relative to the base, and a disengaged state in which the latch permits rotation of the carrier relative to the base.

Abstract: An interface device (60) for mounting an accessory to a host(30), comprises a base (62) mountable on the host, a carrier (120) rotatably secured to the base, and a latch (130) having an engaged state in which the latch engages the base and resists rotation of the carrier relative to the base, and a disengaged state in which the latch permits rotation of the carrier relative to the base.