Abstract: A cleaning apparatus for concentration controller of coating machine may include a pulse bubble generator and a container used for cleaning a concentration controller of a coating machine and a tube thereof. The pulse bubble generator has a bubble-generating end connected to the container through a pipe, and the container is filled with a plentiful detergent. The pulse bubble generator is configured to pump air into the detergent with a pulse per time, and a large amount of detergent bubbles are adapted to be generated in the container. The detergent bubbles are configured to be pumped by the concentration controller into the tube and the concentration controller so as to complete cleaning effect of the tube and the concentration controller.

Abstract: The present disclosure relates to a vehicle to vehicle aerodynamics system which communicates information among vehicles to determine aerodynamics of a vehicle and determine changes to the vehicles which may improve aerodynamics of the vehicle and/or overall aerodynamics of a group of vehicles.

Abstract: An acoustic device includes a first chamber, a first through hole, a vibration structure, and a separation structure. The first chamber includes a first end and a second end. The first through hole is defined at the first end of the first chamber. The vibration structure is disposed at the second end of the first chamber and is configured to transmit an acoustic wave away from the first chamber. The separation structure is disposed within the first chamber and divides the first chamber into a first sub-chamber and a second sub-chamber. The separation structure defines a second through hole connecting the first sub-chamber and the second sub-chamber.

Abstract: Methods, systems, and techniques for determining whether an event has occurred from dynamic strain measurements involve determining, using a processor, at least one event parameter from a signal representing the dynamic strain measurements, and then having the processor use the at least one event parameter to determine whether the event has occurred. The at least one event parameter is any one or more of a measure of magnitude of the signal, frequency centroid of the signal, filtered baseline of the signal, harmonic power of the signal, and time-integrated spectrum flux of the signal.

Abstract: Refrigerative shelving arrangement comprising a heat-absorbing shelf (10) formed from a panel having first and second main faces containing plural passages (50) for conveying a working fluid in both liquid and gaseous states around an interior portion of the shelf (10); and a condenser (35) in fluid communication with the heat-absorbing shelf (10), wherein the heat-absorbing shelf (10) and the condenser (35) form a hermetically sealed system configured to allow the working fluid to circulate between the heat-absorbing shelf (10) and the condenser (35) without a compressor.

Abstract: The application discloses a preparation method of monocrystal uranium dioxide nuclear fuel pellets, comprising: granulating and pelleting UO2 powder to obtain UO2 pellets; then coating surfaces of the UO2 pellets with monocrystal growth additive micro powder to form core-shell structure particles; and activated-sintering the core-shell structure particles at high temperature, liquefying the monocrystal growth additive on the surface of the core-shell structure particle at high temperature and then diffusing into UO2 pellets, dissolving the UO3 in the liquid monocrystal growth additive, and recrystallizing the UO2 to form the monocrystal UO2 nuclear fuel pellets.

Abstract: A system is provided that allows a driver to customize one or more vehicle components such as lights. The system may allow the user to specify how each light behaves in response to certain conditions or triggers. The customizations may include displaying predetermined or customized shapes and colors, and may include customizing the timing and brightness of the lights. To ensure that the customizations comply with one or more laws, the system may determine the current location of the vehicle. The system may use the location of the vehicle to determine what rules, regulations, and laws apply to the vehicle. The system may then determine if the customizations comply with the determined rules, regulations, and laws. If the customizations comply, the system may allow the vehicle component to operate according to the customizations. If the customizations do not comply, the driver may be alerted and/or the customizations may be adjusted to comply.

Abstract: The present application discloses a dredging system for a pre-paved gravel foundation bed surface in open sea deep water, including a dredging mechanism, which includes a dredging suction head, a power component and a dredging pipeline, wherein the dredging suction head is connected with the dredging pipeline; the dredging pipeline is communicated with the power component; the dredging suction head includes at least one ridge surface suction port and at least one furrow suction port; the openings of all the furrow suction ports are lower than those of all the ridge surface suction ports; a lifting mechanism, which is connected with the dredging suction head and is used for lifting the dredging suction head to the gravel foundation bed surface; a moving mechanism, which is connected with the lifting mechanism and is used for driving the dredging suction head to move within a dredging range of the gravel foundation bed surface.

Abstract: System, methods, and other embodiments described herein relate to identifying rear indicators of a nearby vehicle. In one embodiment, a method includes, in response to detecting a nearby vehicle, capturing signal images of a rear portion of the nearby vehicle. The method includes computing a braking state for brake lights of the nearby vehicle that indicates whether the brake lights are presently active by analyzing the signal images according to a brake classifier. The method includes computing a turn state for rear turn signals of the nearby vehicle that indicates which of the turn signals are presently active by analyzing regions of interest from the signal images according to a turn classifier. The brake classifier and the turn classifier are comprised of a convolutional neural network and a long short-term memory recurrent neural network (LSTM-RNN). The method includes providing electronic outputs identifying the braking state and the turn state.

Abstract: The present invention is directed to a dual engine-compressor system having a crankcase enclosing a crankshaft and having engine cylinder housings and compressor cylinder housings linearly disposed on opposite sides of the crankcase. Combustion pistons are reciprocatingly disposed in the engine cylinder housings and defines alternating combustion chambers on opposite sides of the pistons. Compressor pistons are reciprocatingly disposed in the compressor housings and define alternating low and high pressure compressor chambers on opposite sides of the compressor pistons. The compressor pistons underdo a 4-cycle process to drawn in, re-distribute, and then compress fluid. The compressor cylinder and piston has a series of one-way intakes and reed valves to selectively draw or push fluid in response to movement of the compressor piston.

Abstract: This disclosure relates to a low viscosity lubricating turbine oil having a composition comprising a lubricating oil base stock, as a major component, and one or more lubricating oil additives, as minor components. The lubricating turbine oil has a kinematic viscosity of about 16 cSt to about 22 cSt at 40° C., a density of about 0.8 g/ml to about 0.9 g/ml, and an absolute evaporation loss at 150° C. of less than about 4%. This disclosure also relates to a method for improving energy efficiency in a turbomachine lubricated with the low viscosity lubricating turbine oil. This disclosure further relates to a method for improving energy efficiency while maintaining or improving deposit control and lubricating oil additive solvency in a turbomachine lubricated with the low viscosity lubricating turbine oil. This disclosure yet further relates to a method for improving solubility, compatibility and dispersancy of polar additives in the low viscosity lubricating turbine oil.

Abstract: An indexable rotary cutting tool and insert is capable of performing a high-accuracy cutting process with high efficiency. A twist angle of an outer peripheral cutting edge of the tool has a positive value, an axial rake angle of the cutting edge of a corner R of the tool at a boundary point between the cutting edge of the corner R and the outer peripheral cutting edge has a positive value, the axial rake angle of the cutting edge of the corner R at a reference point has a negative value, and the radial rake angle at least between the boundary point and the reference point in an entire edge length region of the cutting edge of the corner R has a negative value. The radial rake angle at the reference point is smaller than the radial rake angle at the boundary point.

Abstract: A solar tracking device having: a primary optical sensor (30); at least two auxiliary optical sensors (70a, 70b); and a housing. The housing has an upper surface (80) with a central hole (100; 62; 82) below which the primary sensor (30) is disposed and light wells (22; 25), disposed laterally around the central hole (100; 62; 82), in which each of the respective auxiliary sensors (70a, 70b) is disposed. Each light well (22; 25) has a bottom surface (15) on which the associated auxiliary sensor (70a, 70b) is disposed, an aperture (84) in the upper surface, and sidewalls (22) connecting the upper surface and the bottom surface. One of the sidewalls (22) is a light-reflective surface (25) disposed parallel to a tangent of the central hole, all other sidewalls being light-absorbing.

Abstract: Surrogates for roadside objects, such as metal guardrails, can be used for vehicle testing. A surrogate for a metal guardrail can have substantially the same size and/or shape as the metal guardrail that the surrogate is mimicking. The surrogate can be configured to exhibit substantially the same characteristics as their actual counterpart metal guardrail when sensed by one or more vehicle sensors (e.g., cameras, radar sensors, and/or LIDAR sensors). Such surrogates can be used to test autonomous vehicles, one or more vehicle sensors, a vehicle sensor system, and/or one or more vehicle system (e.g., a road departure mitigation system). The surrogates can be configured to withstand being crashed into by a test vehicle without being damaged and without damaging the test vehicle.

Abstract: Described herein are various technologies pertaining to extracting cryptographic keys from user behavioral biometrics, specifically keystroke dynamics. Such cryptographic keys can be used for, among other things, user authentication throughout computer sessions. Keystroke dynamics are timing data indicating when keys were pressed and when they were released.

Abstract: A motor vehicle seat rotation mechanism includes a connecting plate connected to a seat, a moving plate, located below the connecting plate and connected to the connecting plate, and a fixed plate, located below the moving plate and connected to an upper slide rail in a seat slide rail assembly. An upper ball assembly is located between a press plate and the moving plate. A lower ball assembly is located between the moving plate and the fixed plate. A lower anti-detachment hook ring is located between the connecting plate and the fixed plate and fixed to the fixed plate. An annular lower anti-detachment hook is provided at an inner edge of the lower anti-detachment hook ring. An annular upper anti-detachment hook is provided at an outer edge of the moving plate. The lower anti-detachment hook and the upper anti-detachment hook are engaged with each other.

Abstract: A threaded fastener system, incorporating a bolt and a nut assembly, wherein the bolt has a threaded lead entry point whose pitch and helix angle are of a higher magnitude than that of those on the body/shank of the bolt.

Abstract: A longitudinal adjuster (10) for a vehicle seat (1), including at least one rail pair which is formed from a first seat rail (12) and a second seat rail (14), the seat rails (12, 14) of the rail pair encompassing one another and being movable relative to one another in the longitudinal direction (x) and being able to be locked to one another via a locking device (16), the locking device (16) having at least one locking element, in particular at least one latching plate (18) which is movable in the vertical direction (z), the longitudinal adjuster (10) having an additional locking means (30) which is normally inoperative and is actuated only in the event of a crash by mass inertia. A vehicle seat (1), in particular a motor vehicle seat, includes a seat part (2) and a longitudinal adjuster (10).

Abstract: Transformers having a plurality of windings from a single Litz wire, as well as systems including such transformers and methods of providing such transformers are disclosed. A transformer includes a core and a single Litz wire having a plurality of individual strands of conductive material. The plurality of individual strands of conductive material are separated into a plurality of groups, each one of the plurality of groups being a winding of the transformer such that the transformer comprises a plurality of windings.