Abstract: A low-profile electronically scanned phased arrays integrated multi-beam cylindrical array that can scan by connecting to one feed or multiple feeds at one time.

Abstract: Synthesis of tungsten pentahalide compositions having low impurity profiles are disclosed. The specific impurity profile permits deposition of high purity tungsten-containing films using vapor deposition processes or other semiconductor manufacturing processes without introduction of performance-impacting contaminants.

Abstract: A screw compressor includes a screw rotor, an electric motor for driving the screw rotor, bearings supporting the screw rotor and casings housing these members. The screw compressor also includes an oil feeding passage formed in the casing for feeding oil on a high pressure side to the bearings by a differential pressure between the high pressure side and a low pressure side and an oil feeding amount adjusting unit placed in a middle of the oil feeding passage, the oil feeding amount adjusting unit includes a cylinder, a valve element provided to reciprocate inside the cylinder, and plural flow paths provided in the valve element having different flow path areas, the plural flow paths are switched to adjust an oil feeding amount to be fed to the bearings by moving the valve element in accordance with the differential pressure between the high pressure side and the low pressure side.

Abstract: Systems and methods described for increasing capacity and efficiency of natural gas liquefaction processes having a mixed refrigerant precooling system with multiple pressure levels comprising cooling the compressed mixed refrigerant stream and separating the cooled compressed mixed refrigerant stream into a vapor and liquid portion. The liquid portion provides refrigeration duty to a first precooling heat exchanger. The vapor portion is further compressed, cooled, and condensed, and used to provide refrigeration duty to a second precooling heat exchanger. Optionally additional precooling heat exchangers, and/or phase separators may be used.

Abstract: An electric compressor is provided which has: in a sealed container, a compression mechanism to compress a refrigerant and an electric motor to drive the compression mechanism, wherein the refrigerant contains 20% by mass or more of hydrofluoroolefin, and a refrigerator oil stored in the sealed container contains; polyvinyl ether as a base oil; an alicyclic epoxy compound in an amount of 0.1% by mass or more and 2.0% by mass or less relative to the base oil; an aliphatic epoxy compound in an amount of 0.1% by mass or more and 2.0% by mass or less relative to the base oil; and tertiary phosphate in an amount of 0.1% by mass or more and 2.0% by mass or less relative to the base oil.

Abstract: A filter holding frame that may be used agricultural environments. The filter holding frame may include a plurality of interconnecting members with an upstream hemmed edge and downstream opposing flanges. The opposing flanges of the members may define a sealing face configured for a plurality of air filters. The members of the outer periphery of the filter holding frame may include the mounting surface and the sealing face.

Abstract: An industrial air filtration system and associated filter element are provided. The system includes a filter cage which supports its associated filter element or elements. The filter element or elements seal directly against upper and lower plates of the filter cage. Further, the system includes a liquid collection region and a sump region in fluid communication with the liquid collection region. The aforementioned regions are arranged to drain away liquid which coalesces within the system during operation.

Abstract: A truck dumper including a material receiving hopper, a tilt table configured to dump a load from the truck or truck trailer into the material receiving hopper. The invention includes a stilling shed positioned above the material receiving hopper and at least one curtain baffle suspended below the roof of the stilling shed. The curtain baffles are positioned such that there is a gap located near the roof and an upper margin of the at least one curtain baffle through which air can flow. The invention further includes an air exhaust structure configured to exhaust dust laden air from the interior of the stilling shed.

Abstract: An apparatus, system, and method for a receive function in a phased array including an M by N array of antenna elements, where M and N are the number of rows and columns, respectively, in the array of antenna elements. Each antenna element is provided with a combiner. The phased array apparatus and system includes M row beam-formers plus N column beam-formers. The row beam-formers supply a progressively phase-shifted carrier signal to the combiners where the signal received by the corresponding antenna element is combined with a phase-shifted carrier signal. The outputs of the combiners in each column of antenna elements is sent to a corresponding column beam-former. The outputs of the column beam-formers are combined to recover the signal that is desired to be received.

Abstract: An arrival time and location targeting system for a train, the system including at least one computer programmed or configured to: (a) receive at least one target location associated with a forward route of the train; (b) determine required time of arrival at the at least one target location based at least partially on the current location of a leading edge of the train; (c) determine an estimated time of arrival of the leading edge of the train at the at least one target location based at least partially on the current location of the leading edge of the train and the current speed of the train; and (d) based at least partially on the difference between the determined required time of arrival and the determined estimated time of arrival, generate a target speed of the train. A computer-implemented arrival time and location targeting method is also provided.

Abstract: A device 100 produces an endless winding cable 101 by winding a yarn 106 around two thimbles 102, 104. The device 100 comprises an elongated guide 110, a carriage 112, a yarn feeder 114, a first thimble holder 116, and a second thimble holder 118. The first thimble holder 116 and the second thimble holder 118 each hold one of the two thimbles 102, 104. The carriage 112 is movable relative to the elongated guide 110. The yarn feeder 114 is connected to the carriage 112, and comprises at least one spool holder 120 for holding a spool 122 with the at least one yarn 106, and an output guide 124 for guiding the at least one yarn 106 to the cable during winding. The yarn feeder 114 comprises at least one yarn brake 126 for controlling a tension of the at least one yarn 106 during winding.

Abstract: Embodiments of the present disclosure relate generally to slide ramps designed for use with an aircraft exit door positioned near or over a wing of the aircraft. The embodiments provide a plurality of tubular structures comprising differing diameters and tapering lengths. The tubular structures form a ramp that transitions aircraft evacuees from the wing to the evacuation slide. The resulting ramp helps provide an even exit surface along a sloped/angled wing, and with respect to the angled wing/fuselage connection.

Abstract: A lever mechanism for converting a motion from linear to rotary includes a guiding bar, a slider which slides along the guiding bar, and a lever. The lever includes a cylindrical element and a pair of slot links which are fixed frontally on the cylindrical element and between which the slider is arranged. The slider includes at least two bushes for supporting a pivot which is adapted to act on the slot links. The bushes are mutually separated by a space to accommodate a reserve of lubricant.

Abstract: The present invention relates to a method of guiding and controlling an unmanned aerial system based on camera control information of the unmanned aerial system, the method comprising the steps of: (a) controlling a vertical axis of the unmanned aerial system by controlling a zoom of a gimbal camera 330 by a zoom controller 120 of a camera control unit 100 so as to control an elevation and speed of the unmanned aerial system 300 with a corresponding camera control signal; and (b) controlling a horizontal axis of the unmanned aerial system by controlling an angle of the gimbal camera 330 by an angle controller 110 of the camera control unit 100. Accordingly, the present invention is applicable by just modifying software without changing a general system of an unmanned aerial system, has an advantage that a camera controller is enough to control a mission flight of the unmanned aerial system, and is improved in convenience and tracking performance since the speed, elevation, flight path, etc.

Abstract: A brake distributor valve for a Russian railway vehicle includes a body defining a brake pipe passageway configured to be in fluid communication with a brake pipe, a reservoir passageway configured to be in fluid communication with a reservoir, and a reference pressure passageway configured to be in fluid communication with a reference pressure source. The brake distributor valve includes a service accelerated release valve having a valve member with a first position where the brake pipe passageway is isolated from the reservoir passageway and a second position where the brake pipe passageway is in fluid communication with the reservoir passageway. The valve member is configured to supply pressure from the reservoir passageway to the brake pipe passageway during a brake release event, where the valve member is actuated between the first and second positions based on a pressure within the reference pressure passageway.

Abstract: A method of detecting an obstruction of a passenger door on a public transit vehicle comprising the steps of: recording the profile of the actuator (motor) current vs. door position following initiation of an opening or closing of the door; based on the recorded profile of actuator current vs. door position acceptable increase in motor current for one or more discrete positions following initiation of opening or closing the door indicative of no obstruction; and comparing an instant current profile to the acceptable increase and indicating a potential door obstruction if the current exceeds the acceptable increase.

Abstract: An artificial muscle including an internal electromechanically charged rod extending beyond two attach points. A plurality of mesh cylinders having a mesh cylinder top and a mesh cylinder bottom surrounding the charged rod. A fiber surrounding the mesh cylinders and mechanically attached to the mesh cylinders at an attachment spacing and wherein an electromagnetic source activates the artificial muscle through at least one microprocessor. The artificial muscle fiber may be nylon and the attach points may be titanium. The artificial muscle fiber may be coated with nylon. The artificial muscle fiber may contain a viscous fluid.