Abstract: A method and system for blockchain-driven communication using encapsulated virtual chains can facilitate blockchain-driven inter-PSAP communication using encapsulated virtual chains. Embodiments can be generalized for any context (e.g. not only for the specific examples of the Next Generation 9-1-1 and 1-1-2 (NG9-1-1/NG1-1-2) architectures).

Abstract: The support structure comprises a main body, a base part, and a ring gear having internal teething. The main body has at least one axle element for rotatably mounting the at least one gear wheel, or at least one connection point for an axle element for rotatably mounting the one gear wheel. The ring gear is mounted with an axial end on the base part and is designed to be used as an outer gear wheel of a planetary gear drive. The internal teething of the ring gear has a plurality of tooth elements which extend in each case from a tooth foot to a tooth head in the radial direction relative to a centre axis of the ring gear. An intermediate space, exposing a region of the tooth head at least of individual tooth elements or a number thereof, is provided between the internal teething and the base part.

Abstract: A brake system includes a tandem power transmission unit selectively driven by a first electric motor to provide pressurized hydraulic fluid to primary and secondary output lines. A plurality of iso/dump control valve arrangements is provided, with each being associated with a selected wheel brake and selectively provides slip control to the selected wheel brake. A first traction control iso valve is hydraulically interposed between the tandem power transmission unit and at least a selected iso/dump control valve arrangement via the primary output line. A second traction control iso valve is hydraulically interposed between the tandem power transmission unit and at least an other iso/dump control valve arrangement via the secondary output line. A DAP power transmission unit is driven by a second electric motor for selectively providing pressurized hydraulic fluid to the iso/dump control valve arrangement of at least one associated wheel brake.

Abstract: A device for connecting a lens and an earmuff to a safety helmet is disclosed. The device includes a retaining frame, two pivot members and two connecting units. The retaining frame includes a pivot portion on either side thereof and an engaging block on the pivot portion. The pivot members are pivotally connected to the pivot portions, respectively. The pivot member has a slide portion having a first groove. The first pressing block is positioned in the first groove. The pivot member further includes a positioning strip having a plurality of second grooves. The connecting unit has a second slide groove. The positioning strip is inserted and slidable in the second slide groove. A second pressing block is disposed on an inner wall of the second slide groove. The second pressing block is pressed into any one of the second grooves in a multi-step manner.

Abstract: A safety guard is configured to extend below a body of a vehicle for engaging animate and inanimate objects in order to prevent the objects from going under the vehicle. A detection system is provided, including a plurality of sensors configured to sense objects about the vehicle, and a controller for analyzing for the possibility of at least an animate object going under the vehicle. The analysis can result in repositioning of the safety guard from a raised, retracted position during normal operation of the vehicle to a lowered, deployed position in establishing a physical barrier spaced from a road surface a distance which prevents animate objects from entering under the vehicle. The analysis can also result in the issuance of an audible or visual warning and/or the automatic control of at least one other vehicle control system.

Abstract: An arrangement for mending a pipe, particularly a waste water pipe, which arrangement comprises the following elements: a first textile hose (ALg) woven in a single piece preferably laminated on the outer wall thereof, a felt hose (FS) arranged in the interior of the first textile hose (ALg) and wetted with a curable synthetic resin mixture, and a second textile hose (ALs), woven in a single piece and coated on its outer wall with a release agent, preferably silicon, not adhering to the synthetic resin mixture, for introduction into the felt hose (FS). A method for mending a pipe, particularly a waste water pipe, preferably uses the arrangement described.

Abstract: A bicycle helmet that fits over a surface of a head of a user generally includes a segment of flexible cell structures that form a radial honeycomb matrix movable between a folded condition where each side of the segment is disposed generally parallel and an expanded condition where the radial honeycomb matrix of the segment is configured to be expanded at least partially over the head of the user and arranged radially relative to the surface of the head of the user. The bicycle helmet includes a first and second side frame disposed respectively at the first and second ends of the honeycomb matrix.

Abstract: A portable roadway warning device comprises one or more rumble strips. Each rumble strip comprises at least two modular strip sections, each made of a polymeric material having top and bottom surfaces and end edges and side edges. At least one of the end edges of each of the strip sections has a plurality of aligned alternating notches and tabs, and connecting links hingedly connecting the tabs at one of the end edges of one of the strip sections to respective aligned tabs at one of the end edges of another of the strip sections. Each connecting link includes a U-shape link plate bracket and a pair of frangible rods that are configured to break at less than the tear strength of the polymeric modular strip sections.

Abstract: An electrochemical gas sensor, for acid analyte gases, has an absorbent, which is suitable for absorbing a reaction product formed at the electrode. The electrochemical gas sensor further has a boron 5 compound, which is suitable for reacting chemically with the acid analyte gas. A process determines the concentrations of acid gases. A process uses an electrochemical gas sensor for determining the concentrations of acid gases.

Abstract: One example method of operation may include identifying a plurality of emergency reporting entities located at an emergency location based on one or more received emergency communications, determining whether one or more of the emergency reporting entities have provided valid emergency response data, determining a level of severity of the emergency response data, and transmitting one or more notifications to one or more emergency response entities based on the level of severity and a type of emergency.

Abstract: A cooling element system (100), for use within a cooling device (590) of a closed-circuit respirator (691), includes a plurality of cooling elements and a collar (120). The cooling elements each have an element housing (112), having a liquid-tight closure (114), filled or fillable with a coolant. The element housings allow for a common mounting arrangement of the number of cooling elements within the cooling device. The collar encloses the cooling elements in the common mounting arrangement and has a carrying area (122), which is configured to carry the number of cooling elements in the common mounting arrangement at the carrying area. A removal of the number of cooling elements, in the common mounting arrangement, from the cooling device and an insertion into the cooling device, are possible by means of the carrying area.

Abstract: A mask adapter (10), for connecting two breathing tubes (210) of a closed-circuit respirator (300) to a breathing mask (400), includes a mask connection (20) for a fluid-communicating connection to a breathing area (410) of the breathing mask (400) and two tube connections (30, 40) with tube connection axes (32, 42) for a fluid-communicating connection to a breathing tube (210) each. The first tube connection (30) has an incoming air valve (34) and the second tube connection (40) has an outgoing air valve (44). The first tube connection axis (32) of the first tube connection (30) further forms an acute tube connection angle (?) with the second tube connection axis (42) of the second tube connection (40).

Abstract: A method includes identifying a first user device potentially associated with a biohazard and identifying a geographic area associated with the biohazard based on previous location information of the first user device. The method further includes identifying another user device potentially associated with the biohazard based on the geographic area associated with the biohazard and previous location information of the other user device. The method further includes issuing a safety notification to the other user device, where the safety notification includes one or more of the geographic area associated with the biohazard, a safety status request, a safety status level of the first user device, a subset of the previous location information of the first user device, and a subset of the previous location information of the other user device.

Abstract: A gas-sensitive material, a preparation method therefore and an application thereof, and a gas sensor using the gas-sensitive material are provided. The gas-sensitive material is a carbon material-metal oxide composite nanomaterial formed by compounding a carbon material and metal oxides. The content of the carbon material is 0.5˜20 wt. % and the content of the metal oxides is 80˜99.5 wt. %; the metal oxides contain tungsten oxide and one or more selected from tin oxide, iron oxide, titanium oxide, copper oxide, molybdenum oxide, and zinc oxide; the metal oxides are formed on the carbon material in the form of nanowires, and the nanowires are tungsten oxide-doped nanowires. The gas-sensitive material has reduced resistance, is capable of responding to various gases at a reduced working temperature.

Abstract: The present invention provides a multi-ply twisted yarn for a cut-resistant fabric, and the multi-ply twisted yarn comprises (i) at least a first single yarn having a skin-core structure, wherein the skin comprises aromatic polyamide staple fibers and the core comprises tungsten filaments, and (ii) at least a second single yarn having a skin-core structure, wherein the skin comprises cut-resistant staple fibers, the core comprises at least an elastomer filament, and the cut-resistant staple fibers of the second single yarn are selected from one or more of aromatic polyamide staple fibers, aliphatic polyamide staple fibers and polyethylene staple fibers. The present invention further provides a cut-resistant fabric comprising the multi-ply twisted yarn and a protective product comprising the cut-resistant fabric.

Abstract: A license plate mountable aftermarket lighting assembly visual front alert system attached to a vehicle for instructing observers as to movement of the vehicle. A housing incorporates a plurality of illuminating elements configured in a strip extending substantially the length thereof and communicating with a processor also integrated into the body and incorporating a motion control circuitry. A forward facing translucent or transparent cover which is mounted over the front face of the housing. A power supply operating the processor and illuminating elements and, in response to a travel condition of the vehicle, the motion control circuitry outputs a signal to the processor which is representative of the vehicle movement, the processor in turn signaling the illuminating elements to generate a visual output corresponding to the signal.