Abstract: A device for cleaning medical implements is disclosed, in particular a device for cleaning vascular or other fluid access sites. The device includes a cap having an opening to receive an access site. The cap may be used in the following manner: A healthcare worker may, with gloved hands, open the cap packaging and place the cap over the port of a medical implement to be cleaned. The healthcare worker may wipe the site by either applying a turning motion or by simply pushing the cap onto the port. A cap in place on a medical implement may be a positive indication that a desired site of the medical implement is clean. The cap may include a disinfecting substance. Embodiments of the cap may comprise a cap body and a skirt.

Abstract: An assembly for a turbine engine includes an airfoil and a baffle. A cavity projects spanwise into the airfoil from an airfoil tip end towards an airfoil base end. The baffle is disposed in the cavity with an outer passage formed between the baffle and a wall of the airfoil. The baffle extends spanwise from a baffle base end disposed at the airfoil base end to a baffle tip end disposed at the airfoil tip end. The baffle extends longitudinally from a baffle end to a baffle trailing edge. The baffle extends laterally between a baffle first side and a baffle second side. An inner passage projects spanwise into the baffle from the baffle tip end towards the baffle base end. A notch is disposed in the baffle trailing edge at the baffle base end. The notch fluidly couples the inner passage to the outer passage.

Abstract: A universal flow limiter assembly includes a body configured to receive a portion of an IV tube, where the body includes two opposing side beams, a hinge portion disposed at a first end of the body, a control portion disposed at a second end of the body, a groove defined between the side beams and disposed between the hinge portion and the control portion and a control knob. The universal flow limiter assembly is configured to regulate a flow rate of fluid flowing through the IV tube based on rotation of the control knob. IV sets with universal flow limiter assemblies and methods of operating universal flow limiter assemblies are also provided.

Abstract: The present invention relates to a platform for a fan assembly, comprising a flow passage wall extending in an axial direction having an upstream end and a downstream end, and comprising two axial stiffeners. The platform comprises radial retention means positioned at the upstream end and at the downstream end of the flow passage wall, the radial retention means being designed to each define a sliding connection with a corresponding shroud of the fan assembly and in that it comprises tangential retention means designed to define a sliding pivot connection between the platform and a disc of the fan assembly.

Abstract: A bilaterally driven closed-loop artificial pancreas, includes: a detection module; an infusion module, the infusion module includes: a drug storage unit; a screw and a driving wheel provided with wheel teeth, the driving wheel driving the screw and the screw pushing a piston; a driving unit cooperating with the driving wheel, the driving unit including at least two driving portions; a power unit connected to the driving unit, the power unit outputting two forces in two directions on the driving unit; and a program module. The power unit is controlled by the program module. The artificial pancreas has higher infusion efficiency and can enhance user experience.

Abstract: A boomerang hydro multiplier machine designed to enhance hydro power by providing a greater area for collection and containment of fluid thereby providing more power including a wheel device and a guide channel with an endless carrier unit secured extending around the wheel device and through the guide channel, and a series of containers provided on the endless carrier unit used in transferring a continuous fluid supply through the guide channel in order to rotate the wheel device to generate rotational energy. A fluid flow is directed at the containers entering the guide channel from near the top of the wheel device and is discharged near or under the bottom of the wheel device after being directed through the guide channel. An increased electrical energy may be generated without increasing the associated water flow.

Abstract: A propulsor fan and drive system having reduced noise emission is disclosed. The propulsor fan includes a blade fan having a plurality of blades. The blade fan is tensioned at the tips of the plurality of blades. By tensioning the tips of the blades, an angle of the blades is maintained during operation of the propulsor fan thereby reducing noise that may result from changes in the angle of the blades.

Abstract: A swirl recovery vane with acoustic treatment including a leading edge and a trailing edge opposite chordwise from the leading edge; an attachment region opposite spanwise from a tip region; a span dimension extending between the attachment region and the tip region; a chord dimension extending between the leading edge and the trailing edge; a pressure side opposite a suction side of the swirl recovery vane; an acoustic panel receiver formed within the swirl recovery vane extending at least one of spanwise through the swirl recovery vane between the attachment region and the tip region or chordwise between the leading edge and the trailing edge; and an acoustic panel inserted into the acoustic panel receiver.

Abstract: A passive flow modulation device for a machine defining an axial direction and a radial direction, the passive flow modulation device including: a first ring with a first coefficient of thermal expansion; a second ring disposed coaxially with the first ring and positioned at least partially inward of the first ring along the radial direction, spaced from the first ring along the axial direction, or both, the first ring, the second ring, or both defining at least in part one or more passages, the second ring with a second coefficient of thermal expansion that is less than the first coefficient of thermal expansion to passively modulate a size of the one or more passages during operation.

Abstract: The invention describes a wind turbine rotor blade active flap (1) comprising a primary body (1P) adapted for mounting to the trailing edge (20TE) of a wind turbine rotor blade (20); a flap turning means (10, 11, 12) adapted to turn the active flap (1) between a neutral position (R0), in which the active flap (1) directs airflow (A20S, A20P) towards the suction side (P20S) of the rotor blade (20), and a working position (R-Rmax), in which the active flap (1) directs airflow (A20S, A20P) towards the pressure side (P20P) of the rotor blade (20); and a secondary body (1S) mounted to the primary body (1P) and configured to hold the active flap (1) in its neutral position (R0). The invention further describes a wind turbine (2) comprising a number of rotor blades (20) mounted to a hub; and an active flap (1) according to the invention, mounted to the trailing edge (20TE) of each rotor blade (20).

Abstract: A propeller blade comprising a de-icing system is described, wherein the propeller blade comprises a blade body 1 comprising a carbon fiber fabric skin, a leading edge 11, a trailing edge 12, a hub end 9 and a tip end 10. The blade body 1 comprises a resistive wire 4 that extends along the leading edge 11 to a conductive glue 6. The resistive wire 11, the conductive glue 6 and the carbon fiber fabric in the skin of the blade body 1 form a conductive path for an electrical current. A propeller comprising a plurality of the propeller blades, a UAV comprising one or more of the propellers are also described.

Abstract: A foil for a rotating blade of a turbomachine, configured to be mounted to a blade root of the rotating blade and including an overall U-shaped cross-section formed by two lateral legs connected through a lower surface, the lower surface covering a lower face of the blade root, the lateral legs each covering at least part of two lateral flanks of the blade root; and a blocking system for prohibiting at least some of relative movements between the blade root and the foil, the blocking system including at least one oblique tab, partially cut out of a lower surface of the foil and forming, with respect to the lower surface of the foil, a tilted plane protrusion able to be inserted into a housing formed in a lower face of the blade root.

Abstract: Provided are a fan assembly and a vacuum cleaner having same. The fan assembly includes a housing, an impeller assembly, and a driving member. At least part of the impeller assembly is accommodated in the housing. The impeller assembly includes a plurality of impellers connected in series in an airflow flowing direction of the fan assembly. The driving member is configured to drive the plurality of impellers to rotate.

Abstract: An element for compensation of tolerances and/or gap widths of a device, having a main body which has at least one annular cross-sectional portion, wherein the cross-sectional portion has, in its peripheral direction, at least one auxetic portion which exhibits auxetic behavior in a radial direction of the main body. The invention also relates to an engine which comprises the element, to an assembly method for a shaft/hub connection which has at least one element, and to an adaptation method for adapting a tolerance and/or a gap width in the engine.

Abstract: A platform for a stator vane includes a platform body and a plug. The platform body defines: an inner surface, an outer surface offset from the inner surface, an internal fluid passageway disposed between the outer surface and the inner surface, and a core aperture extending from the outer surface to the internal fluid passageway. The plug 700 is configured to be secured to the platform body. The plug is configured to be partially disposed inside the core aperture and extend outside of the core aperture whilst secured to the platform body for improved heat transfer between a fluid conveyed by the internal fluid passageway and a fluid to which the outer surface is exposed.

Abstract: An apparatus is provided for a powerplant. The apparatus includes a heat pipe extending axially along an axis from a first end of the heat pipe to a second end of the heat pipe. The heat pipe extends circumferentially around the axis. The heat pipe includes an evaporator region, a condenser region and a plurality of fluid passages. The evaporator region is disposed at the second end of the heat pipe. The condenser region is disposed at the first end of the heat pipe. The condenser region is disposed radially inboard of the evaporator region. The fluid passages are axially between and fluidly couple the evaporator region and the condenser region.

Abstract: A component for a turbine engine may be formed by spraying particulate with a nozzle toward a substrate. The particulate may be deposited to form one or more annular layers and a reinforcing structure. The component may be a closed loop annular component having a reinforcing structure of specific dimensions enabled by the methods described.

Abstract: There is provided a rotatable impeller assembly for pumping caustic fluid byproducts in a medical device. The assembly comprises a rotor having a rotor cup, and an impeller having a rotor contacting surface and impeller blades. The assembly further comprises a magnetic ring seated within the cup. The magnetic ring comprises a first contact surface that is configured to mate with an inner surface of the cup, and a second contact surface that is configured to mate with the rotor contacting surface of the impeller. In such an arrangement, the magnetic ring is locked in position by the rotor cup and the impeller, thereby preventing any independent rotation of the magnetic ring relative to the rotor and the impeller while automatically balancing the rotor. Further, the rotor contacting surface of the impeller is attached to the cup to hermetically seal the magnetic ring within the impeller assembly.

Abstract: Methods and apparatus to control a surface of an aircraft engine are disclosed. An example system to control a surface in an aircraft engine comprises a first valve to vary a flow of cold fluid from a thermal transfer bus (TTB) to an active surface control (ASC) system based on an operating condition of the aircraft engine, the ASC system positioned adjacent to the surface, the first valve positioned upstream from the surface, and a second valve to vary a flow of hot fluid from the TTB to the ASC system based on the operating condition, the second valve positioned downstream from the surface.

Abstract: Provided are a fan assembly and a vacuum cleaner having same. The fan assembly includes a housing, an impeller assembly, and a driving member. At least part of the impeller assembly is accommodated in the housing. The impeller assembly includes a plurality of impellers connected in series in an airflow flowing direction of the fan assembly. The driving member is configured to drive the plurality of impellers to rotate.