Abstract: Aspects and embodiments relate to a gas flow alarm apparatus and gas flow alarm method. The apparatus comprises: a device configurable to introduce back pressure into a flow of gas, a supply sensor configured to determine whether gas flow to the device is enabled; a pressure sensor configured to determine whether a flow of gas through the device has developed back pressure; and logic circuitry in communication with the supply sensor and the pressure sensor configured to determine whether gas flow to the device is enabled and whether a flow of gas through the device has developed back pressure and, if not, to activate an alarm condition. Aspects and embodiments can provide a system which operates to warn a user against various adverse conditions in which a flow of therapeutic gas to a patient is required, yet not being provided.

Abstract: A composition contains filler particles dispersed in a matrix material, wherein the matrix material includes: (a) a first polyorganosiloxane that comprises an average of 2 or more succinic anhydride groups per molecule; and (b) a second polyorganosiloxane other than the first polyorganosiloxane; wherein the filler particles are present at a concentration in a range of 15 to 80 volume-percent based on composition volume and wherein the first polyorganosiloxane is present at a concentration sufficient to provide succinic anhydride groups at a concentration of 0.30 to 200 micromoles per gram of matrix material.

Abstract: A composition contains: (a) a first polyorganosiloxane; (b) 50-80 volume percent, based on composition volume, of conductive fillers; and (c) 0.1 to 2.0 weight-percent, based on composition weight, of a second polyorganosiloxane different from the first polyorganosiloxane, the second polyorganosiloxane having an average of 0.5 to 1.5 anhydride groups per molecule.

Abstract: A method of managing a computer network in a production environment is described. The method comprises: identifying the endpoints to be used on the computer network during a time period; and at least a predetermined time prior to the commencement of the time period, the method comprises: running a flow routing algorithm for the computer network having the identified endpoints.

Abstract: A method of calculating a new route for a media data traffic flow on a computer network when a device is connected to the network, the network comprising a first and a second network switch connected by a link, the method comprising: determining whether media data traffic already flows between the first and second network switch over the link; applying a weighting to the link whose value is based on whether media data traffic already flows over the link; and determining the new route for media data traffic by using a least cost path generation algorithm using the weighting.

Abstract: A curable composition is disclosed. The curable composition comprises (I) an epoxide-functional silicone-acrylate polymer and (II) an aminosiloxane. The epoxide-functional silicone-acrylate polymer comprises acrylate-derived monomeric units comprising siloxane moieties, epoxide-functional moieties, and optionally, hydrocarbyl moieties, and the aminosiloxane comprises an average of at least two amine functional groups per molecule. A method of preparing the curable composition is also disclosed, and includes reacting (A) an acryloxy-functional organosilicon component, (B) an epoxy-functional acrylate component, and optionally (C) an acrylate component, to give the epoxide-functional silicone-acrylate polymer (I), and combining the epoxide-functional silicone-acrylate polymer (I) with the aminosiloxane (II). An aminosiloxane-silicone-acrylate copolymer prepared with the composition, a cured product comprising the same, and methods of preparing the same, are also disclosed.

Abstract: A curable composition is disclosed. The curable composition comprises (I) an epoxide-functional silicone-acrylate polymer, (II) an aminosiloxane, and (III) a conductive filler. The epoxide-functional silicone-acrylate polymer comprises acrylate-derived monomeric units comprising siloxane moieties, epoxide-functional moieties, and optionally, hydrocarbyl moieties, and the aminosiloxane comprises an average of at least two amine functional groups per molecule. Methods of preparing the curable composition, and a cured product thereof, are also disclosed. A method of forming a composite article comprising a conductive layer with the curable composition is disclosed is also disclosed. The method comprises disposing the curable composition on a substrate, and curing the curable composition to give a conductive layer on the substrate, thereby forming the composite article.

Abstract: A hand-held power tool is provided that includes a housing assembly, an output spindle, and a motor endbell. The housing assembly supports an electric motor having a rotor configured to rotate when the electric motor is supplied with power. The output spindle protrudes from an output end of the housing assembly, and is functionally coupled to the rotor such that the output spindle rotates in response to a rotation of the rotor. The motor endbell is located on the housing assembly adjacent the electric motor and opposite the output spindle. An illustrative controller is operable to determine phases of a fastening operation in which the hand-held power tool is operating. The phases of the fastening operation of the hand-held power tool include two phases including: (1) a continuous run phase and (2) an impacting phase.

Abstract: A method of monitoring a network having a first and second device, comprising: receiving IP packets containing media content from the first device on the network, the IP packets being sent to the second device; analysing the received IP packets to determine a parameter of the media content; analysing the parameter of the media content and a parameter associated with the second device; and performing a predetermined action in the event of that the parameter of the media content is different to the parameter associated with the second device.

Abstract: A method of calculating a new route for a media data traffic flow on a computer network when a device is connected to the network, the network comprising a first and a second network switch connected by a link, the method comprising: determining whether media data traffic already flows between the first and second network switch over the link; applying a weighting to the link whose value is based on whether media data traffic already flows over the link; and determining the new route for media data traffic by using a least cost path generation algorithm using the weighting.

Abstract: A method of managing a computer network is described. The method comprising: identifying a characteristic of data traffic being sent over the computer network; and applying a policy to at least part of the network, the policy defining the operation of at least part of the network in event of a failure within the network and being defined on the basis of the characteristic of the data traffic.

Abstract: A method of managing a computer network in a production environment is described. The method comprises: identifying the endpoints to be used on the computer network during a time period; and at least a predetermined time prior to the commencement of the time period, the method comprises: running a flow routing algorithm for the computer network having the identified endpoints.

Abstract: An illustrative embodiment of the present disclosure provides hand-held power tool which includes a housing, a motor, and an output spindle. The housing supports a motor having a rotor configured to rotate when the motor is supplied with power. The output spindle protrudes from an output end of the housing, and is functionally coupled to the rotor such that the output spindle rotates in response to a rotation of the rotor. The housing also supports at least one electrical accessory that is connectable to an external power connector located on the housing.

Abstract: A packet-based software-defined data network supporting multicast, unicast and/or broadcast packet-based data traffic types comprises a software defined network (SDN) controller; and a network of one or more packet switches arranged to route, under the control of the SDN controller, data packets from one or more packet sources to one or more packet receivers, in which the SDN controller is responsive to data defining a topology of interconnections between the plurality of packet switches, packet sources, and packet receivers, to select a route for packets from a packet source to a packet receiver; the SDN controller being configured to select the route in dependence upon the traffic type of the packets to be routed, using a respective one of a set of route selection algorithms each applicable to one of multicast, unicast and broadcast packet-based data traffic types.

Abstract: A packet-based software-defined data network supporting multicast, unicast and/or broadcast packet-based data traffic types comprises a software defined network (SDN) controller; and a network of one or more packet switches arranged to route, under the control of the SDN controller, data packets from one or more packet sources to one or more packet receivers, in which the SDN controller is responsive to data defining a topology of interconnections between the plurality of packet switches, packet sources, and packet receivers, to select a route for packets from a packet source to a packet receiver; the SDN controller being configured to select the route in dependence upon the traffic type of the packets to be routed, using a respective one of a set of route selection algorithms each applicable to one of multicast, unicast and broadcast packet-based data traffic types.

Abstract: Network testing apparatus comprises software defined network controller circuitry; and test controller circuitry operable to configure a test network in response to network definition data, to provide instructions to control operations of the software defined network controller circuitry and to control operations of a plurality of test traffic agents connected to the test network; the software defined network controller circuitry being arranged to control the test network to adopt a routing arrangement for data packets within the test network in response to an instruction provided by the test controller circuitry; and the test controller circuitry being configured to perform a network test by instructing the software defined network controller circuitry to control the test network to adopt one or more test routing arrangements, instructing the test traffic agents to communicate test data packets to respective destinations amongst the test traffic agents using the test network and detecting whether the test pa

Abstract: A vehicle side-view mirror water removal arrangement is easily retrofitted to vehicles having an existing source of compressed air and a side-view mirror with a reflective surface. The arrangement includes a valve having an input port connected to the existing source of compressed air and an output port, the valve being movable between open and closed positions to control the flow of compressed air from the existing source of compressed air to the output port of the valve. A conduit's proximal end is connected to the output port of the valve with its distal end located at the side-view mirror for conducting the compressed air from the output port of the valve to the side-view mirror.

Abstract: An illustrative embodiment of the present disclosure provides hand-held power tool which includes a housing, a motor, and an output spindle. The housing supports a motor having a rotor configured to rotate when the motor is supplied with power. The output spindle protrudes from an output end of the housing, and is functionally coupled to the rotor such that the output spindle rotates in response to a rotation of the rotor. The housing also supports at least one electrical accessory that is connectable to an external power connector located on the housing.

Abstract: Disclosed is a cooling and lubricating system (and method of use) for an RCD bearing/seal assembly comprising an internal conduit for directing fresh oil into the lower end of the bearing assembly where it can then progress upwardly through the bearing assembly and seals to provide cooling and lubrication to the internal bearings and rotary seals. The RCD system employs a small footprint oiler to deliver, via pressurized air, the oil to the RCD. Also disclosed is an RCD bearing assembly outfitted with the oil channel conduits for directing oil through the RCD bearing assembly to cool and lubricate the seals and bearings.