Abstract: The invention relates to a flow-conducting grille designed as a pre-conducting grille for arranging on a suction region of a fan, wherein the flow-conducting grille has a grille web structure about an axial center line, which grille web structure comprises radial webs spaced apart in the circumferential direction and coaxial circumferential webs spaced apart in the radial direction and an outer ring, wherein an inflow side of the flow-conducting grille extends flat and parallel to a radial plane of the flow-conducting grille.

Abstract: A gas turbine engine, in which a compressed gas from a compressor of an axial-flow type is burned in a combustor and an obtained combustion gas drives a turbine, includes: a diffuser of an annular shape connected to an outlet of the compressor, the diffuser including a diffuser inner tube and a diffuser outer tube that are tubular members disposed concentrically with each other; and a plurality of partition members that are disposed in a diffuser flow path, which is an annular space formed between the diffuser inner tube and the diffuser outer tube, and divide the diffuser flow path in a circumferential direction.

Abstract: A gas turbine engine includes: a plurality of combustors disposed so as to incline radially outward from a turbine side toward a compressor side; and a diffuser inner tube and outer tube forming a diffuser as an upstream portion of a path that introduces a compressed gas from the compressor to the combustors. A transition duct portion of each combustor has such a shape that a circumferential dimension thereof gradually decreases from the turbine side to the compressor side so that a circumferential gap is formed between the transition duct portions. Downstream-side portions of the diffuser inner tube and outer tube each have a shape gradually increasing in diameter toward the downstream side. A turbine-side end of the circumferential gap at an inner diameter side of the transition duct portion is positioned radially inward of an imaginary extension conical surface continuous from the diffuser inner tube.

Abstract: An intake structure of a compressor includes an intake duct forming an intake port opening in a direction away from a central axis of the compressor and a bellmouth forming an annular channel expanding from an inlet of the compressor toward an inner space of the intake duct. The bellmouth includes a plurality of struts connecting an inner casing positioned inside the annular channel and an outer casing positioned outside the annular channel. At least one of a plurality of transverse struts, of the plurality of struts, which are located on both sides of a center plane passing through the central axis of the compressor and the center of the intake port has a trailing edge positioned on a virtual plane passing through the central axis of the compressor and a leading edge positioned on a side of the intake port with respect to the virtual plane.

Abstract: A fan device includes a fan motor and a board storage unit for storing plural circuit boards. The fan motor includes an impeller rotating around a central axis and a wall surface surrounding the impeller outward in a radial direction. The board storage unit is disposed outward from the wall surface in the radial direction. The circuit boards include first and second circuit boards. As viewed from an opposing direction of the first and second circuit boards, the first circuit board has a first opposing area overlapping the second circuit board and a first non-opposing area which does not overlap the second circuit board, and the second circuit board has a second opposing area overlapping the first circuit board and a second non-opposing area which does not overlap the first circuit board. An electronic component or a lead wire is disposed in each of the first and second non-opposing areas.

Abstract: In order to give an especially compact, cost-effective and electromagnetically compatible design to a cooling device with a heat sink and a radial fan arranged in or on the receiving area of the heat sink, the bushing is adhesively bonded onto the heat sink in or on the receiving area, or the bushing is integrally designed with the heat sink.

Abstract: In a valve device, first and second spool holes in which first and second spools of first and second unload valves are accommodated, respectively, are formed in a second valve block, opening portions of the first and second spool holes are formed in surfaces in outer surfaces of the second valve block other than contact surfaces with adjacent first and third valve blocks and in parallel with axes of spools accommodated in the adjacent first and third valve blocks.

Abstract: A fluid control device including a valve arrangement, the valve arrangement including an air supply valve, and an air outlet valve, and a control means, wherein the control means is electrically connected to the air supply valve and to the air outlet valve, and further includes a sensor input for processing a sensor signal and is connected to a sensor which is configured for determining a functional state of the fluid consumer, wherein the control means is configured for implementing a valve diagnostic process such that a first control signal for the air supply valve and a second control signal for the air outlet valve are each varied between a lower interval limit and an upper interval limit while maintaining a pre-definable sensor signal level of a sensor signal provided by the sensor, and the control means is configured for recording value pairs for the first and second control signals.

Abstract: The present disclosure concerns a nacelle for an aircraft turbojet engine that includes a thrust reverser having a cowl displaceable between a deployed position and a stowed position, a fixed structure, and a secondary nozzle. The nozzle includes panels movable in rotation, and hydraulic actuators for sequenced actuation of the cowl and panels. The actuators include a body mounted on the fixed structure, and a rod mounted in the body and is linked to the cowl and panels via a device for transmitting movement of the actuator to the panel. An actuation system having a hydraulic control device controls the displacement of the rod of the actuator. The actuator further includes a device for alternately displacing the rod in translation relative to the body to cause translation of the cowl, or in rotation relative to the body to cause rotation of the nozzle panel.

Abstract: A soft actuator is described, including: a rotation center having a center of mass; a plurality of bucklable, elastic structural components each comprising a wall defining an axis along its longest dimension, the wall connected to the rotation center in a way that the axis is offset from the center of mass in a predetermined direction; and a plurality of cells each disposed between two adjacent bucklable, elastic structural components and configured for connection with a fluid inflation or deflation source; wherein upon the deflation of the cell, the bucklable, elastic structural components are configured to buckle in the predetermined direction. A soft actuating device including a plurality of the soft actuators and methods of actuation using the soft actuator or soft actuating device disclosed herein are also described.

Abstract: On inner wall surfaces of a head cover and a rod cover of a fluid pressure cylinder, respective pluralities of first and second spigot pins are installed to project out from the inner wall surfaces. The first and second spigot pins are disposed on circumferences of a predetermined diameter that internally contact or inscribe the cylinder tube. Further, when the cylinder tube is assembled with respect to the head cover and the rod cover, by the flange members of the first and second spigot pins inscribing the inner circumferential surface thereof, the cylinder tube is positioned and assembled coaxially with respect to the centers of the head cover and the rod cover.

Abstract: In an interior of a cylinder tube of a fluid pressure cylinder, a piston unit is provided, which is displaced along an axial direction under the supply of a pressure fluid. The piston unit includes a disk shaped plate body, which is connected to one end of a piston rod, and a ring body connected to an outer edge portion of the plate body. The plate body is connected to the piston rod by plural second rivets, which are punched in an axial direction with respect to the piston rod.

Abstract: A surface affixable device incorporating mechanically actuated dry adhesive includes a body and a plurality of tiles affixed to the body. Each of the plurality of tiles includes an array of dry adhesive material elements disposed on front faces thereof. A first of the plurality of tiles is movably affixed to the body. An actuator is constructed and arranged to displace the first of the plurality of tiles in a first direction relative to a second of the plurality of tiles. A biasing element applies a bias to the first of the plurality of tiles in a second direction upon displacement of the first of the plurality of tiles in the first direction.

Abstract: A clamp device (100) for mounting equipment to a support structure (200) including a base (105) and a slider (110). The base (105) includes a first trough (155) formed in the front side (140) of the base (105) and a second trough (160) formed in the back side (145) of the base (105) and a first coupling element located on the first lateral side (130) and a second coupling element located on the second lateral side (135) of the base (105). Each of the first and second coupling elements extend from near the top end (120) of the base (105) towards the bottom end (125) of the base (105) at an angle relative to the first trough (155). The slider (110) includes a channel (185) on a back side (145) of the slider (110) and corresponding coupling elements within the channel (185) configured to slidingly engage the first and second coupling elements upon association of the slider (110) with the base (105).

Abstract: A connector including: a first buffer member that includes a spiral-shaped wire in a plan view; a second buffer member that has a substantially annular and flat plate-like shape, and that is capable of warping in a thickness direction; a collar member that includes a cylindrical portion surrounded by the first buffer member and the second buffer member, a first flange facing a radially inner side of the first buffer member, and a second flange facing a radially inner side of the second buffer member; and a coupling member that includes a first holder section holding radially outer sides of the first buffer member and the second buffer member, a second holder section holding the shielding body, and a coupling member base portion. According to the present invention, it is possible to provide a connector with a long vibration-proofing lifetime under an extended use.

Abstract: A plate mount is provided for mounting a plate to a frame assembly. The plate mount includes a generally cylindrical head extendable through an aperture the plate and having an upper surface, a lower face, an outer peripheral surface, and an alignment structure receivable in a slot of the frame member. The cylindrical head including a bolt-receiving bore extending through the cylindrical head along a bore axes at an acute angle to the upper face. A flange extending radially extending from the outer peripheral surface of the cylindrical head. The flange has a diameter. At least one spacer is positionable about the outer peripheral surface of the cylindrical head at a location between the flange and the plate.

Abstract: A welded joint comprising an aluminum-based base material comprising an aluminum alloy or pure aluminum and a copper-based base material comprising a copper alloy or pure copper joined by a weld metal portion is provided. The weld metal portion contains copper in ranges of less than 75% by mass and silicon in ranges of less than 13% by mass and has a higher content of copper and silicon than the aluminum-based base material.

Abstract: Fasteners are disclosed for reducing mass of the fastener, while being configured for use with standard torque delivery tools. The fasteners include non-torque bearing surfaces disposed between torque bearing surfaces.

Abstract: A wood screw, having a shaft, a screw tip, and thread turns. The thread turns run circumferentially on at least a portion of the shaft, preferably through or into a screw tip. The wood screw includes at least one arc-shaped protrusion between at least two adjoining ones of the thread turns.

Abstract: The present invention provides an elastic washer structure and a fastener, including: an elastic washer (1) and one or more tongues (2), where the elastic washer (1) is a sheet object with an inner hole (3), one surface of the elastic washer (1) is a convex surface, the other surface is a concave surface, a tongue (2) is disposed towards a side of the convex surface on an outer edge of the elastic washer, an angle between the tongue (2) and a surface (5) on which the outer edge of the elastic washer is located is a first angle (6), and when the convex surface of the elastic washer bears pressure, there is a negative correlation between the first angle (6) and the pressure borne by the elastic washer

Abstract: A system includes an attachment part and a holding element for holding the attachment part on a carrier part, the holding element having a threaded part connected to the attachment part and an internal thread for a holding screw, and a spacer part, the spacer part and the threaded part having interacting threads, the spacer part having a through opening flush with the internal thread of the threaded part when the spacer part is screwed to the threaded part, with the result that the carrier part can be held between a head of the holding screw and the spacer part, the threaded part having a holding section for holding the attachment part, the holding section having at least one latching element which interacts with at least one corresponding latching element of the attachment part for releasably latching the attachment part on the threaded part.

Abstract: Apparatus for use in operations of tightening and/or loosening threaded fasteners of the kind having a nut and stud about an axis are disclosed and include: a threaded assembly threadedly engageable with exposed threads of the stud above the nut and either a nut, a tool socket and/or a tool housing engagement assembly. Torque tools of the kind having a pass-through socket including the apparatus are disclosed. And systems including the torque tools of the kind having a pass-through socket including the apparatus and threaded fasteners are disclosed.

Abstract: The present disclosure describes an anchor device for receiving and securing a shaft thereto. The device includes an outer housing within which a jaw assembly is secured. The outer housing of the device may in turn be secured to or within a support structure such as a building component. Jaw components of the jaw assembly may be threaded. Furthermore, the jaw assembly has at least two configurations. In a first configuration, at least one jaw component is positioned away from a central shaft axis against the biasing force of a biasing member. A removable or reconfigurable holding member or stop member selectively secures the at least one jaw component in its position. In as second configuration, the holding member is reconfigured by the inserted shaft to trigger movement of the at least one jaw component toward the central shaft axis and into contact with the shaft.

Abstract: A system includes a pair of gearboxes each having an output shaft. A first adapter is connected to the output shaft of the first gearbox, and a second adapter is connected to the output shaft of the second gearbox. A first drive shaft is connected to the first adapter, and a second drive shaft is connected to the second adapter. Each drive shaft may articulate with respect to an axis defined by its associated output shaft through an angle of at least twenty degrees.

Abstract: A ball joint has a ball stud, a housing and a ball seat (seat). The seat is an elastic body in a tubular shape with the top and the bottom being open, and has a spherical space to accommodate a ball portion. The housing has a spherical inner face that is close to an outer periphery of the ball portion, to accommodate the ball portion in the inner face via the seat so as to support the ball stud. A clamped portion arranged at a peripheral end of the housing is clamped to press the seat so that the ball stud can be swung and rotated.

Abstract: A quad foil journal air bearing includes a journal sleeve having an inner circumference that defines an inner surface. A first foil assembly includes a first key coupled to the inner surface of the journal sleeve. The quad foil journal air bearing further includes a second foil assembly having a second key coupled to the inner surface of the journal sleeve.

Abstract: A seal assembly for a bearing includes an inner seal member that has an annular ring with a first lobe extending therefrom and a seal receiving surface on a leg extending axially from the annular ring. The seal receiving surface has two seating areas. The seal assembly includes an outer seal member positioned radially inward from the leg and axially outward from the annular ring. The outer seal member has a pivot member which has a second lobe extending outwardly therefrom. The seal assembly includes a retaining ring that has a circumferential groove formed therein. The pivot member is pivotally seated in the groove so that the second lobe is moveable between the two first seating areas.

Abstract: A bearing device includes: a first outer ring member and a second outer ring member which include a raceway surface in each inner circumferential surface and are disposed to abut on each other in an axial direction; a connection ring which fixes the first outer ring member and the second outer ring member to each other; an inner ring in which two rows of raceway surfaces are formed in an outer circumferential surface; and a plurality of rolling elements which are disposed in a space formed between the raceway surface of the first outer ring member and one of the two rows of the raceway surfaces of the inner ring, and in a space formed between the raceway surface of the second outer ring member and the other one of the two rows of the raceway surfaces of the inner ring.

Abstract: A toroidal roller bearing that provides an inner ring, an outer ring and a plurality of roller elements interposed in-between the inner and outer rings such that the rings rotate relative each other in relation to a rotational axle. The bearing is configured such that the inner ring and the outer ring are capable of being axially displaced and angularly misaligned relative each other in relation to the rotational axle. At least one of the inner or outer ring provides a recess in an axially extending section extending from one of its axial ends. The recess is arranged such that an axial gripping force can be generated onto the ring. In addition, the present disclosure provides a bearing arrangement that includes the bearing.

Abstract: The present invention has an outer race having as a center axis a first axis extending in a first direction; an inner race having as the center axis the first axis; a group of rollers composed of a plurality of rollers arranged at intervals in the circumferential direction centered on the first axis between the outer raceway surface of the outer race and the inner raceway surface of the inner race; a cage for holding the group of rollers; a first regulating part for regulating the movement of the outer race to one side; and a second regulating part for regulating the movement of the outer race to another side. The first regulating part and the second regulating part are arranged at positions at which the distance between the first regulating part and the second regulating part is a prescribed distance longer than the outer race.

Abstract: Disclosed is a securing device for providing a movable unit of a linear guiding mechanism with additional safety in that the securing device prevents the movable unit from coming off a guiding rail in case of a bearing malfunction. The securing device comprises at least one securing portion and a coupling portion for coupling the at least one securing portion to the movable unit. The securing portion is engageable with the guiding rail in case of a failure of the movable unit.

Abstract: A bushing formed of different alloys selected to accommodate different operating conditions is provided. For example, the bushing could include an iron-based alloy in a portion of the bushing exposed to lower temperatures, and a cobalt-based alloy in a portion of the bushing exposed to higher temperatures. The first and second alloys could be axially or radially aligned. The iron based alloy includes 10 to 30 wt % Cr, 0 to 21 wt % Ni, 0 to 10 wt % Mo, 0 to 5 wt % W, 0 to 3 wt % C, 0 to 4 wt % V, 0 to 20 wt % Co, and a balance of Fe; and the cobalt based alloy includes 10 to 30 wt % Cr, 5 to 21 wt % Ni, 0 to 10 wt % Mo, 0 to 10 wt % W, 0 to 3 wt % V, 0.5 to 3 wt % C, and a balance of Co.

Abstract: The disclosure relates to a bearing arrangement, having a metallic bearing receptacle with a bearing socket, a rubber/metal bearing being pressed into the bearing socket, at least one recess being configured in an inner circumferential face of the bearing socket and/or in the outer circumferential face of the outer sleeve, and the rubber/metal bearing having a metallic outer sleeve which is pressed with an interference fit into the bearing socket.

Abstract: The invention provides a ring for a bearing. The invention further provides an inner ring, an outer ring and the bearing. The ring includes a raceway ring being a hardened steel metal ring providing a raceway surface configured and constructed for guiding rolling elements of the bearing. The ring further provides printed material bonded to the steel of the raceway ring. The printed material being material printed via an additive manufacturing process. The printed material may be used to customize a shape of the ring, for example, of the inner ring or the outer ring of the bearing, thus allowing flexible customization.

Abstract: A deep groove ball bearing with a rotor is disclosed by the present invention.

Abstract: Provided is a geared motor with which a large torque can be obtained without an increase in size. In this geared motor (1), an output member (8) having a helical groove (83) formed in an outer circumferential section is provided between a first plate part (31) and a second plate part (32) of a frame (3), and the rotation of a motor pinion (55) fixed to a rotary shaft (50) is reduced in speed by transmission gears of a reduction gear mechanism (9) and is transmitted to a gear part (85) of the output member (8). Thus, a large torque can be output, even when the gear part (85) of the output member (8) is made smaller than the outer diameter of the section (84) provided with the helical groove (83). Also, even when a gear cover (7) is provided, a lateral plate part (72) of the gear cover (7) covering the outer circumferential section of the gear part (85) of the output member (8) is located close to the rotation center axis of the output member (8).

Abstract: A cone piece is tightened into a compatibly shaped hole in the end of a shaft. As the cone piece is tightened, it forces the shaft to expand outwards. As the shaft expands, it creates or increases pressure against a hub, wheel, crank or other mating piece that is positioned on the shaft, locking it into place.

Abstract: A disengaging member for releasing a link between a motor and a shaft rotated by the motor, the disengaging member including first and second elements capable of fitting together in a direction substantially parallel to the shaft, one element being capable of being connected to the motor by a link that enables the element to be rotated by the motor, and the other element being capable of being attached to the shaft. The first element includes at least one recess at the fitting interface between the two elements, the second element includes at least one resilient member exerting a radial force on the fitting interface via an insertion member capable of being inserted into the recess, keeping the two elements secured to one another for rotation therewith up until a predefined transmission torque between the insertion member and the first element.

Abstract: A shaft can include a first portion comprising a first material having first material properties, a disconnect portion comprising at least some of a second material having second material properties, and a third portion comprising a third material having third material properties. The disconnect portion can be positioned between the first portion and the third portion, the three material properties being configured such that the first portion is physically disconnected from the third portion in response to failure of the disconnect portion under at least one of a mechanical load and/or an electrical load and/or thermal load.

Abstract: An annular member stopping structure for a friction engaging device includes an end plate 212, a plurality of projecting sections 218 projecting in a radial direction at intervals in a circumferential direction on the end plate 212, a drum 112 having hook parts 220 configured to engage with the projecting sections 218, the drum 112 being non-rotatable relative to the end plate 212, an annular groove 214 provided in the drum 112, and a C-shaped snap ring 216 configured to fit in the annular groove 214. A circumferential direction abutting section 226 freely abutting with circumferential direction end 216a of the snap ring 216 is provided in the end plate 212.

Abstract: A disk pack for a wet-operated friction clutch includes a plurality of friction disks, a plurality of steel disks, and an additive. The plurality of friction disks each include a friction lining on each side. The plurality of steel disks are stacked alternately with the plurality of friction disks. The additive is formed of a polar residue and a nonpolar residue. At least one of the plurality of friction disks or at least one of the plurality of steel disks is treated with the additive prior to an initial startup of the disk pack. The polar residue is attached to the at least one of the plurality of friction disks or the plurality of steel disks. The nonpolar residue is arranged for binding to an operating fluid.

Abstract: A shift element (1) for an automatic transmission of a motor vehicle includes a first (2) and a second shift-element half (3). Each shift-element half includes a disk carrier (4, 5) and multiple essentially annular disks (11-14, 51-54). Multiple disks (11, 12) of the disk carrier (4) of at least one shift-element half (2) are designed in such a way that the disks have a defined imbalance. The disks (11, 12) having the defined imbalance are arranged or rotated relative to each other, with consideration for the size of the particular imbalance, in such a way that, in sum, the imbalances of the disks (11, 12) at least approximately cancel each other out and therefore, overall, this shift-element half (2) has no imbalance or at least a clearly reduced imbalance.

Abstract: A piston assembly for a clutch pack including a piston in form of a ring-shaped plate, a stator connected to the piston, the stator having a circular stator main part and at least one radial protrusion extending radially outwardly from the circular stator main part, each of the at least one radial protrusion of the stator having a first side and a second side, and including a rotor that is connected to the stator, the rotor having a circular rotor main part and at least one radial protrusion extending radially inwardly from the circular rotor main part, each of the at least one radial protrusion of the rotor having a first side and a second side.

Abstract: Electronic devices, such as consumer electronics devices and constrol systems in vehicles are controlled by way of a haptic operating device with a rotating unit. Selectable menu items are displayed on a display unit, and a menu item is selected by rotating the rotating unit. The rotating unit latches at a number of haptically perceptible latching points during rotation. The number and rotational position of the haptically perceptible latching points is dynamically changed in accordance with a specific menu item selected by the user.

Abstract: A safety coupling has a driving coupling member engaged with a driven coupling member by a frictional connection. The frictional connection can be disconnected by activation of a release element. The release element can be activated by a centrifugal device wherein a centrifugal unit of the centrifugal device is radially moveable to interact with a shift gate in dependence of the revolution speed of the centrifugal unit and the slip between the driving coupling member and the driven coupling member. The centrifugal device includes a stop to limit the centrifugal force applied to the centrifugal unit.

Abstract: An automatic transmission multi-mode clutch module (10, 100) may include either two concentric (30B, 30A) or two axially (130B, 130A) spaced sets of pawls (30B, 130B, 30A, 130A) nested between a pair of inner (20, 120) and outer races (12, 112). A first set of pawls (30B, 130B) is secured to the outer race (12, 112), and may be selectively released from a normally spring-biased default engagement with the inner race (20, 120) by an actuator cam ring (16, 116) rotatable between two angular limits. A second set of pawls (30A, 130A) is secured to the inner race (20, 120), and is released from a normally spring-biased default engagement with the outer race (12, 112) whenever the inner race (20, 120) reaches a threshold rotational speed, at which centrifugal forces acting on the inner set of pawls (30A, 130A) overcome the default spring bias to disengage the pawls (30A, 130A) from the outer race (12, 112).

Abstract: A caliper body (12) of a disc brake apparatus (10) includes an accommodating portion (14a) which accommodates a piston (20) for pressing a brake pad (66), a cam lever (42) for generating a pressing force through rotation, and a pressing force transmission mechanism (24) which is interposed between the piston (20) and the cam lever (42) to transmit a pressing force to the piston (20). The accommodating portion (14a) has an opening portion through which the piston (20), the cam lever (42) and the pressing force transmission mechanism (24) can be assembled into the caliper body (12) from a thick back side thereof, and both the accommodating portion (14a) and the opening portion are opened to a rotor disposition side area in the caliper body (12).

Abstract: A brake piston is described. The brake piston is configured for use in a disk brake system, the piston comprising: a body having an outside width perpendicular to a central axis; a footing disposed at a distal end of the piston; wherein the footing is configured to exert force on a brake pad during actuation of the disk brake system; the footing having a face configured to contact the brake pad, the face having a length and a width, wherein the length is longer than the outside width of the body, and the length is greater than the width.

Abstract: A friction damping cast component and method of production are disclosed. The components may be rotary, such as a cast brake rotor, or may be non-rotary, such as a cast suspension part or a cast engine block. Regardless of the type of component, a two-part vibration-damping insert having a thin metal core and a thin metal sheath is provided. The sheath fully encompasses the core in such a way that a dry sliding friction contact develops at their interfaces. The outer surface of the sheath with the metal core inside is rigidly bonded to the cast material that surrounds it during the casting process. The sheath surfaces may have a number of openings that allow a limited infiltration of molten cast iron material just inside the immediate vicinity of the sheath openings for spot rigid bonding between the surrounding cast material and the insert surfaces during casting.

Abstract: A disc brake for a vehicle, in particular for a commercial vehicle, is provided. The disc brake includes at least one application-side brake pad and a back-side brake pad held in a form-fitting manner in a brake carrier. At least the application-side brake pad is provided with at least one pad-retaining spring which is supported at least on one brake carrier horn of the brake carrier and exerts a radially outwardly acting tensile force on the brake pad.