Abstract: A hydraulic power unit (HPU) configured for use with a pressure relief valve (PRV) having an open port and a close port is provided. The HPU includes a pneumatic primary pump, a hydraulic fluid reservoir, an accumulator, and a two position solenoid directional valve (TPSDV). The hydraulic fluid reservoir is in fluid communication with the primary pump. The TPSDV is in communication with the primary pump, the reservoir, the accumulator. The TPSDV is configured for fluid communication with the PRV. The HPU is configurable in a PRV fail open configuration and a PRV fail close configuration.

Abstract: An electrohydraulic valve including an electromagnetic actuator assembly; and a hydraulic assembly, wherein the electromagnetic actuator assembly and the hydraulic assembly are arranged in axial alignment along a longitudinal axis, wherein the hydraulic assembly includes a valve housing in which a valve piston is arranged axially movable along the longitudinal axis, wherein the electromagnetic actuator assembly includes an actuator housing, a coil configured to generate a magnetic field and an armature that is arranged axially movable along the longitudinal axis to position the valve piston, wherein a connection is formed between the electromagnetic actuator assembly and the hydraulic assembly, wherein the actuator housing is formed by an encasement of at least the coil with a synthetic material through injection molding, wherein a circumferential annular groove is formed in which a seal element is positioned that seals the electromagnetic actuator assembly between the hydraulic assembly and the electromagnet

Abstract: Wavy riblets are disposed at one or more auditorily important acoustical boundary layers of a sound producing device. Wavy riblets can be deployed directly onto the surface of the device, and/or onto a film or other carrier that is then positioned in or on the device. Wavy riblets can be advantageously deployed in sets, in a herringbone pattern, and sets of smaller riblets can be disposed between sets of larger riblets. Wavy riblets can also be superimposed onto other wavy or non-wavy riblets. Contemplated sound producing devices include speakers, musical instruments, fan blades and ducts.

Abstract: Wavy riblets are disposed at one or more auditorily important acoustical boundary layers of a sound producing device. Wavy riblets can be deployed directly onto the surface of the device, and/or onto a film or other carrier that is then positioned in or on the device. Wavy riblets can be advantageously deployed in sets, in a herringbone pattern, and sets of smaller riblets can be disposed between sets of larger riblets. Wavy riblets can also be superimposed onto other wavy or non-wavy riblets. Contemplated sound producing devices include speakers, musical instruments, fan blades and ducts.

Abstract: An indicator and a fastener and indicator assembly have an inwardly extending engagement portion on the indicator for engaging a complementary portion on the fastener. The fastener may include an annular groove and the indicator may include a complementary annular rim for extending into the annular groove of the fastener. A portion or all of the indicator may be resiliently flexible, and configured so that part or all of the indicator is stretched when in place on the fastener. Examples of fasteners may include nuts and/or bolts.

Abstract: A two-part fastener with an insert and a compression sleeve. The insert is an internally-threaded fastener intended to be installed into a hole of a very hard panel. The insert itself is relatively hard with a knurled outer barrel portion and a flange at the bottom. A compression sleeve is made of relatively soft material and is preassembled around the barrel of the insert by friction fit. Upon installation into a panel with a blind hole having parallel sides, the compression sleeve is pressed into the panel and deforms outwardly between the insert and the side wall of the hole. Friction between the compression sleeve and the wall of the hole prevents torque out and pull out of the fastener from the panel.

Abstract: A male surface fastener member (1) is provided that has both good adhesiveness to polyolefin adhesives, and good mechanical strength and heat resistance. The surface fastener member (1) comprises an engaging part (12) having a surface (121) and a plurality of male engaging elements (122) provided on the surface, the surface fastener member (1) being made of a resin containing 60 to 95 mass % polyamide and 5 to 40 mass % polypropylene.

Abstract: A double connector for butt-joining two components includes two connector components which can be pushed together as far as a locked assembly position and which each have an spreadable first end portion for inserting into a hole of a component, and a second end portion for spreading the first end portion of the other connector component in each case in the assembly position and at least one locking portion for interlocking the two connector components in the assembly position.

Abstract: A fastener unit and related method for securing a board to a support is provided. The fastener unit includes a spacer block, a grip element extending from the spacer block and configured to fit in and engage a groove of the board, and one or more resilient compression elements extending from the spacer block. The one or more resilient compression elements can be a joist leg configured to engage a joist, or it can be vertically compressible toward a first plane that is transverse to a vertical axis of the spacer block so that portions of it can compress from an open mode to a compressed mode and fit within, then forcibly expand within the groove, thereby securing the spacer block in a position adjacent the groove to establish a gap between the board and another board. A related method of use also is provided.

Abstract: The drywall anchor device successfully anchors a plurality of objects to a drywall, thereby avoiding damage to the drywall and preventing the loss of anchor-to-drywall that is well known in the practice. The device is provided in a plurality of sizes to further prevent object-to-drywall separation, especially when attempting to anchor large objects and shower rods to the drywall. Anchored tines on the drywall anchor device greatly decrease workloads and problems known in such attempts, as the device is quickly tapped into place with a mallet, hammer, or the like.

Abstract: A mount interface is described that includes a latch; and a latching assembly configured to receive the latch so as to lock the latch at a set position with respect to the latching assembly, wherein the latching assembly includes a housing provided with an irregular orifice configured to receive the latch; a first plug disposed in the housing so that a first portion of the irregular orifice overlies the first plug; and a second plug disposed in the housing adjacent the first plug so that a second portion of the irregular orifice overlies the second plug. Such a mount interface provides rapid and secure locking of a latch to the latching assembly.

Abstract: A retention strap for NTSB standard hitch safety pins. The retaining head has a ? inch and ½-inch hole for the most common hitch pins, and ¼-inch hole for storage of a backup safety clip. The retaining head contains magnets to ensure retention of the hitch pin under most force conditions. Additionally, the magnets can retain the safety clip. The magnets also allow the device and pin to be temporarily secured to any metal surface. The large securing loop allows for multiple options for connection to the hitch or receiver.

Abstract: A pipe clip includes a metal annular clip body having at least two opposing radial flanges defining an opening adapted to arrange the pipe clip around a pipe. The clip body has at one of the radial flanges a female fastening. The pipe clip includes a tightening screw having a head and a shank. The shank is provided with a male thread adapted to cooperate with the female fastening. The head engages the other of the flanges so as to tighten the flanges towards each other and tighten the pipe clip around the pipe. The pipe clip has a vibration insulating lining provided on the inner side of the clip body. A torque limiting cap is arranged on the screw head of the tightening screw. The torque limiting cap includes at least one torque transferring feature that couples the cap to the screw head in a rotational direction.

Abstract: Weld studs for use in fluid control bodies are described herein. An example apparatus includes a fluid control body and a weld stud coupled to the fluid control body. The weld stud is to accept a structure to be coupled to the fluid control body.

Abstract: A durable captive bolt assembly for use with subterranean utility boxes is described. The disclosed bolt assembly includes a fastener, a conical spring, a rigid washer, a deformable washer, and a bushing. The point and threads of the fastener are designed to clear debris from an internally threaded nut and reduce or eliminate cross threading, galling, and electrolysis.

Abstract: A steering column assembly for a motor vehicle constructed in accordance to one example of the present disclosure includes a box rocker, a column jacket and a first section of tape. The box rocker has a rocker body including a box rocker inner surface that defines a box rocker bore. The box rocker is configured to be fixed relative to the motor vehicle in an assembled position. The column jacket is configured to be slidably received into the box rocker bore. The column jacket has a column jacket outer diameter including an outer surface that opposes the box rocker inner surface. The first section of tape is disposed between the box rocker inner surface and the column jacket outer surface.

Abstract: A wind power plant which is equipped with novel elastic self-aligning ball bearings. The self-aligning ball bearings can, in principle, be used for the cardanic suspension of a pendulum absorber, preferably in a tower of a wind power plant, as well as for rope attachment of floating off-shore plants at the bottom of a body of water. Correspondingly equipped vibration pendulum absorbers per se and to corresponding installations and pendulum absorbers, which have additional damping devices, are disclosed.

Abstract: A ball joint with variable friction resistance for a vehicle, the joint having a stud with a joint ball which is held in a housing so as to articulate relative thereto. The housing comprises movable and static housing parts that are movable relative to one another and engage on opposite sides of the ball. A transmission is moved by one housing part so as to exert a variable pressure on the ball. The transmission has axially aligned transmission elements, each of which has a helical ball track. The transmission elements axially rest against one another via balls that are guided between the ball tracks of the transmission elements. A first transmission element can move axially and contact the movable housing part. A second transmission element can rotate about the rotational axis which causes the first transmission element to move axially and exert an axial force on the movable housing part.

Abstract: This sintered sliding material has a composition including, by mass %, 10% to 35% of Ni, 5% to 12% of Sn, 0% to 0.9% of P, and 4.1% to 9% of C, with a remainder of Cu and inevitable impurities, wherein the sintered sliding material includes a sintered body of a plurality of Cu—Ni alloy grains containing Sn and C, the sintered sliding material has a structure in which pores are dispersedly formed in grain boundaries of the plurality of alloy grains and free graphite is distributed in the pores, and an amount of C in a metal matrix including the alloy grains is, by mass %, 0% to 0.07%.

Abstract: A combined cylindrical roller bearing is provided with first and second angular cylindrical roller bearings coaxially disposed in parallel, and a shim plate sandwiched between first and second inner races of these angular cylindrical roller bearings. A gap between the first and second inner races is adjusted by the shim plate. First and second cylindrical rollers do not have the relative positions thereof restricted in the direction of the bearing center axis line thereof. Pressurization of the first and second angular cylindrical roller bearings can be managed appropriately by the shim plate. Different from double-row angular cylindrical roller bearings, it is not required to raise the precision in processing and assembly of the inner and outer races to the tolerance level of cylindrical rollers, processing and assembly can be made easy, and cost can be reduced.

Abstract: An oil-impregnated sintered bearing (8) includes a copper-iron-based sintered compact containing 40 mass % or more of copper, and has inner pores impregnated with an oil. The sintered compact has: a copper structure derived from copper powder (13) of partially diffusion-alloyed powder (11) in which copper powder (13) having a particle diameter of 20 ?m or less is diffused on and joined to a surface of iron powder (12) in advance; and a copper structure derived from elemental copper powder (14).

Abstract: The invention relates to a method for producing a multi-layer plain bearing element with a first layer made from a metal having an inner face, whereby this inner face is cleaned by scanning the entire inner face by means of a laser and at least one other layer is then applied to the inner face of the first layer. The cleaning is carried out using an ultrashort pulse laser.

Abstract: A roller-cage assembly that provides both improved lubrication and reduced contact surface of the cage is disclosed. The roller-cage assembly includes a plurality of rolling elements and a cage. The cage includes a first radial flange, a second radial flange, and a plurality of crossbars extending therebetween that define a plurality of rolling element pockets. The plurality of rolling elements are located in at least some of the plurality of rolling element pockets. The plurality of crossbars each include lateral surfaces that support the plurality of rolling elements. The cage includes a radial support surface that includes at least one recess. The at least one recess serves as a lubrication reservoir as well as provides a reduction in surface area of the radial support surface against an associated support element, such as a housing, shaft, or bearing ring.

Abstract: A rolling bearing has a pair of inner rings and an annular groove provided on an outer circumference of a portion where end portions of the pair of inner rings abut against each other. A seal member for a rolling bearing has an elastic portion. The seal member for a rolling bearing is mounted in the annular groove. The elastic portion has an annular proximal end portion that is fixed to one axial end side of the annular groove and an annular extending portion extending from the proximal end portion towards the other axial end side and having on an inner circumference thereof a sliding contact lip configured to be brought into sliding contact with the other axial end side of the annular groove.

Abstract: A tripod constant velocity joint includes: a spider having a plurality of trunnions; a plurality of roller assemblies which are respectively assembled to the plurality of the trunnions; and a housing defining a plurality of track grooves which respectively receive the plurality of roller assemblies. The respective roller assembly includes: an inner roller which is coupled to the trunnion; an outer roller which is disposed to surround the inner roller; a needle roller which is interposed between the inner roller and the outer roller; and an elastic member which elastically supports the outer roller outwardly in a radial direction with respect to the inner roller.

Abstract: A mechanical fuse device with two connecting parts coupled to a ring gear mount of a gearbox in a geared aircraft turbofan engine, with means to automatically trigger a position change of at least one of two the connecting parts relative to the respective other connecting part from a first position into a second position in dependence of a torque effective on at least one of the two connecting parts. It also relates to a method for operating a mechanical fuse device.

Abstract: A steel plate for a multi-plate clutch includes a plurality of circular-arc-like segments, each one of the circular-arc-like segments securely connected to an adjacent one of the circular-arc-like segments. Each one of the circular-arc-like segments has a base member formed as an annular disk and a tooth arrangement for providing a rotationally secure connection with respect to a plate carrier. Each one of the circular-arc-like segments may be formed as a stamped portion. The plurality of circular-arc-like segments may consist of at least three circular-arc-like segments and at most nine circular-arc-like segments. The tooth arrangement may be an outer tooth arrangement.

Abstract: A drive train for driving a working unit of a self-propelled harvester is disclosed. The drive train includes a selectable belt drive with a drive belt, which operationally combines a drive belt pulley and an output belt pulley. The output belt pulley of the belt drive is operationally connected to the working unit via a drive shaft. The drive train comprises a clutch system, combining the functions of a belt clutch and an overload clutch into a single construction unit, with the response characteristic of the overload clutch system being hydraulically adjustable.

Abstract: A method produces a synchronizer ring for a synchronizing device in which blocking teeth extending radially outwards or radially inwards are produced by a forging method. The blocking teeth each have a flank portion and two oblique top flanks merging into a common top ridge. A depression is formed on the rear side of a blocking tooth opposite the top ridge.

Abstract: A synchronizer ring for a synchronization unit of a manual transmission is produced from a sheet metal material and has a conical friction surface on the inner side thereof and has a device for radial centering of the synchronizer ring on the outer side thereof. The device for radial centering includes a plurality of separate arc-shaped centering collar portions spaced apart from one another in the circumferential direction.

Abstract: An actuator, having an electric motor, a reduction gear, a clutch, and a manual mechanical clutch release system, comprising a clutch spring, a plunger, a spring retainer plate, and a securing element, which is arranged in a groove of the plunger. The object of the invention is to ensure, for a common actuator, that there is always a reliable mechanical connection of the mechanical clutch release system, even under rough environmental conditions, wherein no additional parts are required, to the extent possible, and an economical production and assembly is possible.

Abstract: A slide flange is used with a rotary body having a clutch rotatable about an axis and a pair of proximity sensors apart from each other in a circumferential direction. The slide flange is comprised of: an inner ring portion fitting on the rotary body and movable in a direction along the axis from a first position where the clutch gets connected to a second position where the clutch gets disconnected; an outer ring portion unitarily elongated from the inner ring portion and so disposed as to at least at the second position face the pair of proximity sensors; a plurality of notches formed on the outer ring portion at even intervals in the circumferential direction; and a coupling portion elongated from the outer ring portion toward the rotary body, the coupling portion being so coupled with the clutch as to rotate the outer ring portion along with the clutch.

Abstract: A one way clutch with an integrated spring is disclosed. The assembly includes an inner ring and an outer ring, one of which has a ramped portion. A cage defines a plurality of rolling element pockets, and includes first and second sidewalls each having an integrated tab. Rolling elements are biased by the integrated tabs toward both the inner and outer rings. The force angle of the integrated tabs is calibrated for a predetermined application.

Abstract: A mechanical clutch device for coupling two connecting parts in a gas turbo engine, in particular a geared aircraft turbofan engine, with means to automatically trigger a position change of one of the connecting parts relative to the respective other connecting parts and/or relative to an engine part from the first position into a second position in dependence of a torque effective on the connecting parts and/or the engine part, in particular through the transmission via a shaft, in particular a non-nominal torque, more in particular a reversal in the direction of the torque. It also relates to a method for operating a mechanical clutch device.

Abstract: A disc brake for utility vehicles includes a brake disc, a first brake lining on a first side of the brake disc and a second brake lining on a second side of the brake disc opposite the first side. A spreading device is also provided which generates a force that moves the first and the second brake lining away from one another.

Abstract: The present invention provides a system and method for providing drive shaft braking for an irrigation machine. According to an exemplary preferred embodiment, the present invention includes a system for providing drive shaft braking during the operation of an irrigation machine where the irrigation machine includes a drive system having a drive motor and a drive shaft. According to a preferred embodiment, the system in accordance with the present invention preferably includes a cam attached to the drive shaft, an extension arm having a first securing point, a securing arm having a second securing point and a spring attached between the first securing point and the second securing point. According to a further preferred embodiment, the system of the present invention preferably further includes a follower mechanism secured to the extension arm, which applies continual frictional pressure to the drive shaft in response to the force applied by the spring to the follower through the extension arm.

Abstract: A disc brake is proposed having a brake calliper (1) which reaches over a brake disc (2) and brake linings (3) which are arranged on the two sides thereof and are composed in each case of a friction lining (4) and a rear plate (5), and having a hold-down (7) which runs transversely over the brake linings (3) and is supported against the brake linings towards the disc brake axis (A). The circumferential contour of the rear plate (5) of at least one of the brake linings is defined by an upper edge (21), a lower edge (22) and two side edges (23A, 23B) which extend between the upper and the lower edge. The circumferential contour of the friction lining (4) is also defined by an upper edge (31), a lower edge and two side edges which extend between the upper and the lower edge.

Abstract: A method for manufacturing a brake disc may have the following operating steps: a) preparing a brake disc, with a braking band and provided with two mutually opposite braking surfaces; b) depositing on the disc a layer of chromium carbide (Cr3C2) and nickel-chromium (NiCr) in particulate form forming a base protective coating; and c) depositing over the base protective coating a material in particulate form with the tungsten carbide (WC) and cobalt (Co) forming a surface protective coating. Both protective coatings are created with HVOF (High Velocity Oxygen Fuel), HVAF (High Velocity Air Fuel) or KM (Kinetic Metallisation) technique.

Abstract: A vehicular brake rotor component made from a Ti base powder alloy which has been 3D printed to a desired shape before one or both of its wear surfaces are coated with a 0.005 to 0.01 inch thick mixture containing about 1-40% chromium carbine. Then the combined product is sintered, machined and double disc ground. Related methods of manufacture of this brake rotor component are also disclosed.

Abstract: Embodiments of a parking brake and anti-theft apparatus for a vented disc brake system are described herein. Such embodiments may include a brake assembly, an actuator and a rocker or a locking arm. The brake assembly by include a first and second rotor plates separated by spacers and slots. The rocker and locking arm may include pawls extending from an edge, and may be positioned adjacent to a circumference of the rotor plates, aligned between the rotor plates. The actuator may move the rocker and/or locking arm between locked an unlocked positions such that, in the locked configuration, the pawls are inserted into the slots, and in the unlocked configuration, the pawls are disposed outside the slots.

Abstract: A motor assembly that includes a motor, a first output, and a second output. The motor includes an output shaft and a motor housing. The first output in rotational communication with the output shaft such that the first output and the output shaft rotate together. The second output in rotational communication with the motor housing such that the second output and the motor housing rotate together. In a first condition, torque is transmitted to the first output such that the first output and the output shaft rotate together. In a second condition, torque is transmitted to the second output such that the second output and the motor housing rotate together. In a third condition, torque is transmitted to both of the first output and the second output such that the first output and the output shaft rotate together and the second output and the motor housing rotate together.

Abstract: A heat dissipating device for bicycle braking systems includes a first board and a second board which is connected to the first board to form a room defined therebetween so that cooling liquid flows within the room. The first board includes a first recess and a second recess defined in an inside thereof which faces the second board. The first recess communicates with the second recess. A flanged portion is formed along four sides of the first board. The second board has a grooved portion formed on each of four sides thereof. The flanged portion is engaged with the grooved portions to connect the first and second boards together.

Abstract: Brake wear sensors for the brake disc stacks commonly used in aircraft brake systems are disclosed. An ultrasonic transducer is employed to transmit signals to a reflective surface and to receive the reflected signals in return. The time that elapses between the transmission of the ultrasonic signal and the reception of its reflection correlates with the separation between the transducer and the reflective surface. The reflective surface is operatively connected to a pressure plate of the associated brake disc stack such that, as the stack wears, the reflective surface is displaced along with the pressure plate. That displacement correlates with brake wear. In one embodiment, the ultrasonic brake wear detector is an independent unit mounted to the brake housing, while another embodiment includes the detector as an integral portion of a brake actuator connected to such housing.

Abstract: A cylinder device that enables both prevention of leakage from a flow channel and improvement of assemblability. A shock absorber is filled with an electrorheological fluid as a hydraulic fluid. The shock absorber generates a potential difference within an electrode path and controls viscosity of the electrorheological fluid passing through the electrode path, thus controlling a generated damping force. A plurality of partition walls are disposed between an inner cylinder and an electrode tube. A plurality of spiral flow channels are formed between the inner cylinder and the electrode tube. The partition walls are attached to the outer peripheral surface of the inner cylinder. The partition walls have a sectional shape in which an electrode tube side is smaller in wall thickness than an inner cylinder side. The partition walls include a pointed tip on the non-attached side, which is oriented to a high pressure side of the flow channels.

Abstract: A two-faced, modified interlock knit fabric for use in the manufacture of toothed belts, the fabric constructed by plating a partially oriented first yarn of polyester or nylon with a second yarn of polyester or spun cotton and knit in a blister stitch in the machine direction is provided. A method of forming toothed belts incorporating such a fabric is also provided.

Abstract: In one aspect, a conveyor belt fastener is provided having a rigid body made from a strip of cold-rolled or cold-drawn material such as steel. The body has an upper plate portion, a lower plate portion, and loop portions connecting the upper and lower plate portions. The upper and lower plate portions each have a variable cross-sectional thickness laterally thereacross including raised walls projecting outwardly and ribs projecting inwardly. The fastener has at least one attachment member, such as a staple, for connecting the plate portions to a conveyor belt end and the raised walls protect the staple once driven into the conveyor belt end.

Abstract: To provide an inexpensive and thin motor with a speed reducer capable of elongating lifetime of bearings by reducing the effect of internal moments acting on an output member without using expensive bearings. A motor with a speed reducer performing output with a gear mechanism rotating to reduce speed around an electric motor M and an eccentric shaft driven to rotate by the electric motor M, in which a plurality of external gears are respectively assembled to the eccentric shaft at positions where moments obtained by multiplying distances in an axial direction from a position of a bearing provided in a speed reducer housing by magnitudes of loads acting on output pins at the positions are cancelled out with each other.

Abstract: A robot arm for die casting according to an embodiment of the present invention, which clamps and moves a cast-iron product, includes: an arm unit having a plurality of joints; a hand unit coupled to an end of the arm unit to clamping the cast-iron product; and a cooling unit having a plurality of nozzles disposed at the hand unit and separately operating to spray cooling water to a surface of the cast-iron product.

Abstract: A vehicle transmission realizes speed change via variation in rotation speed and direction by selective control operation using combinations of six friction elements and a plurality of rotating elements of four planetary gear devices, and enables vehicle driving by realizing at least ten stage gear ratios for forward movement and at least one stage gear ratio for backward movement based on different speeds, wherein the vehicle transmission may increase fuel efficiency and power performance resulting from the multiple stages of the transmission.

Abstract: A vehicular multi-stage transmission is provided. In particular, the transmission includes an input shaft and an output shaft. A first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, and a fifth planetary gear set (PG5) are provided and each is disposed between the input shaft and the output shaft to transfer a rotational force and has three rotation elements. Additionally, at least six gear-shifting elements are connected to the rotation elements of the planetary gear sets.