Abstract: A fan vibration absorbing structure includes a bearing cup and a vibration absorbing element. The bearing cup includes a first section, a second section and a bearing holding hole. The first and the second section are connected end-to-end to enclose a receiving space therein, which communicates with the bearing holding hole. The vibration absorbing element is fitted between the first and the second section. With the fan vibration absorbing structure included in a fan, it is able to largely reduce the vibration occurred during fan operation.

Abstract: A gas turbine engine component includes an airfoil extending radially from a root section to a tip section and having a trailing edge cooling passageway and first, second and third flow dividers in the cooling passageway. The first, second and third flow dividers have longitudinal axes that are angled based upon a position of the flow divider relative to the tip section of the airfoil.

Abstract: A piston assembly, including: a piston for a clutch in a torque converter including: first and second radial surfaces; and a radially inner-most end connecting the first and second radial surfaces. The piston assembly includes a radially displaceable bushing assembly: arranged to engage an input shaft for a transmission and form a first seal against the input shaft; including a first radial wall disposed parallel to the first radial surface and forming a second seal against the first radial surface; and including a second wall facing the second radial surface. The bushing assembly is radially displaceable with respect to the piston while maintaining the first seal between the first radial wall and the first radial surface and the second seal between the bushing assembly and the input shaft.

Abstract: A dual series damper includes a fluid damper portion and a elastomeric damper portion. The fluid damper portion includes a first housing, a first connection member, and a piston coupled to the first connection member. The piston divides an interior of the first housing into a first fluid chamber and a second fluid chamber. The piston has a fluid passage in the piston, the fluid passage being configured to provide fluid communication between the first fluid chamber and the second fluid chamber. The elastomeric damper portion includes a second housing, a second connection member coupled to the second housing, and an elastomer between the first housing and the second housing. When a lead/lag force is introduced to the dual series damper, the fluid damper portion behaves rigidly so that the elastomeric damper portion dampens the lead/lag oscillation.

Abstract: A compressor housing assembly for a turbocharger can include a compressor housing shell that includes an axis for alignment with a rotational axis of a compressor wheel, a wall that includes features defined in part by radii with respect to the axis, and an edge that defines in part an inlet opening of a shroud port; and an insert that includes a shroud section and a noise suppressor section that define a recirculation port where the insert is axially located by the wall of the compressor housing shell, where an internal recirculation passage is defined in part by the insert and the wall, and where an edge of the shroud section (e.g., a lowermost edge) defines in part the inlet opening of the shroud port.

Abstract: An actuating device for hydraulically actuating at least one setting element comprising a pump, which has an electric pump drive, with reversible pumping direction, at least one double-acting piston-cylinder arrangement, which is connected therewith and the piston of which is operatively connected with the setting element, and a hydraulic fluid reservoir from which the hydraulic fluid can be pumped to the piston-cylinder arrangement in order to hydraulically load the piston thereof for a setting element movement depending on pumping direction on one (effective surface 22) or other (effective surface 24) side. In this connection, the piston-cylinder arrangement is functionally associated with a detent device with a blocking element, which is spring-biased into a blocking position preventing setting element movement and is movable by an electrically activatable actuator from the blocking position into a release position permitting setting element movement.

Abstract: A cylinder head for a two-stage reciprocating piston compressor includes an intercooler that is designed as a cooled overflow channel between the pressure side of the first stage and the suction side of the second stage, wherein the overflow channel has a substantially slot-like cross-section, and the overflow channel is in addition divided by at least one indirectly cooled center rib so that therefrom at least two overflow channel portions and are created. The cylinder head has a cylinder head upper part and a cylinder head lower part, the cross-section of the indirectly cooled center rib is divided in its longitudinal extent thereby forming a passage gap between the overflow channels and that run on both sides, and one portion of the center rib is formed from the cylinder head upper part and the other portion of the center rib is formed from the cylinder head lower part.

Abstract: Exemplary power cell assemblies and methods of making the same are disclosed. An exemplary power cell assembly may include a piston crown and connecting rod. In an exemplary illustration, a power cell assembly includes a piston crown having a ringland extending circumferentially about a combustion bowl. The boss portions may each include inwardly extending shoulders defining arcuate crown running surfaces. The power cell assembly may further include a connecting rod having a shank and an upper end received in a cavity of the crown. The upper end of the connecting rod may define arcuate connecting rod running surfaces extending away from the shank. The crown running surfaces and connecting rod running surfaces generally allow the connecting rod to pivot with respect to the piston crown about an axis of rotation that extends from one of the boss portions to the other of the boss portions.

Abstract: A cross flow fan achieves low power input and low noise level by preventing flow separation on an air inlet side and reducing a maximum air velocity in the gap between the blades. At least one of units constituting a cross flow fan is an appearance unit configured such that when the unit is sequentially cut in a direction from one of rings to the other ring along a plane whose normal coincides with a rotation axis, a region S and a region C appear, the radius of a second circle, serving as an inner circumferencial circle (having a radius), in the region S being a first radius of predetermined length, the radius of the second circle, serving as the inner circumferencial circle, in the region C being a second radius shorter than the first radius.

Abstract: A turbomachine is disclosed having at least one blade row group, which is situated in a main flow path and has at least two adjacent blade rows, viewed in the main flow direction, each blade row having a plurality of blades, the rear edges of the blades of the upstream blade row and the front edges of the blades of the downstream blade row in the peripheral direction being situated at an edge distance which varies starting from a main flow path center in the direction of at least one main flow limitation, the periphery-side edge distance increasing or decreasing on both sides.

Abstract: A method for operating a work attachment of a work machine with a single input is disclosed. In one step of the method, an indication is received that operation of a work circuit in a hydraulic system is to be activated. Upon this indication, the hydraulic system may be placed in a work circuit primary mode in which a pump is placed in fluid communication with the work circuit. The method also includes receiving a lifting lever position and correlating the lifting lever position to a required lifting speed. The method further includes automatically controlling at least two of an engine speed, a pump displacement, and a lifting control valve to satisfy the required lifting speed. Additionally, the operation of the engine speed, pump displacement and lifting control valve may be sequentially staged in pre-defined zones of operation.

Abstract: A system and method for a piezoelectric-based vertical axis wind turbine (VAWT) are disclosed. The piezoelectric-based VAWT may generate electricity in response to a deformation (e.g., a stretching or bending) of piezoelectric material. For example, the piezoelectric material may be included on or within a wind turbine blade. The wind turbine blade may be struck by an object or may hit an object. Such an action may cause the wind turbine blade to vibrate and subsequently cause the piezoelectric material to deform and generate electricity.

Abstract: A turbine rotor blade with a main serpentine flow cooling circuit extending from a leading edge region to a trailing edge region, and a mini serpentine flow cooling circuit in the blade tip region connected between the first and second legs of the main serpentine flow circuit. Exit slots in the trailing edge region are connected to the last leg of the main serpentine flow circuit and to the mini serpentine flow circuit to provide cooling for the trailing edge region.

Abstract: When a male member is inserted into a female member to connect a first joint portion of a hydraulic joint structure and a second joint portion thereof, a first open end portion of a first oil passage of the male member and a first open end portion of a first oil passage of the female member are connected at a first axial position, and a second open end portion of a second oil passage of the male member and a second open end portion of a second oil passage of the female member are connected at a second axial position. Thus, two hydraulic oil lines can be easily connected at the same time.

Abstract: An apparatus comprising a crank-slider linkage and a rocker link. The crank-slider linkage has a crank coupled to the slider by a jointed connecting rod. The jointed connecting rod has a first link and a second link. The first link is coupled to the second link by a first revolute joint. The first link is coupled to the crank and has a longitudinal axis. The rocker link has a rocker end and a ground end. The rocker end is coupled to the jointed connecting rod. The ground end is coupled to ground by a second revolute joint. The rocker link and the second link are disposed on a common side of the longitudinal axis.

Abstract: An electric brake device, in which the rotational drive force of an electric motor (72) drives a first slave piston and a second slave piston housed in a cylinder body and thereby generates brake fluid pressure, an actuator housing (172) is coupled to the cylinder body, and the mechanism housing part (173a) and a brake fluid encapsulating part in the cylinder body are partitioned by a sealing member, the actuator housing having a mechanism housing part (173a) for housing an actuator mechanism (74) for converting the rotational drive force of the electric motor (72) into the linear drive force for the first slave piston and the second slave piston; wherein the electric brake device is characterized in being provided with an interconnecting hole (179) for interconnecting the mechanism housing part (173a) and the atmosphere.

Abstract: An electromagnetic vibrating diaphragm pump enabling improvement of working efficiency in fitting center plates to a diaphragm, reduction of production cost and stabilization of performance between products. The disk-like second plate includes the cruciform rising portion having the concave portions, and the second ring rib. The first ring rib is formed at the center of the surface of the disk-like first plate coming into contact with the diaphragm, and a fitting groove provided with convex portions to be press-fitted to the concave portions is formed by this first ring rib. The diaphragm has the protrusions for preventing the diaphragm from being pressed out on the periphery of the through-hole at its center, and the protrusions are engaged with the ring ribs from the circumference of the protrusion.

Abstract: A swash plate of a swash plate-type compressor is covered with a resin-based coating layer containing 5 to 60 mass % of spherical graphite particles having an average particle diameter of 5 to 50 ?m, the balance being one or more species selected from polyimide resin and polyamide-imide resin. The spherical graphite particles excepting minute particles having a particle diameter 0.5 times or smaller the average particle diameter, have an average shape coefficient (YAVE) falling within a range of 1 to 4, and 70% or more in number of the spherical graphite particles have a shape coefficient (Y) within a range of 1 to 1.5, YAVE=total[{PMi2/4?Ai}]/i Y=PM2/4?A wherein “total” indicates that a value in [ ] is totalized for number “i”, “PM” indicates the circumferential length of one particle, “A” indicates a cross sectional area of one particle, and “i” indicates the measurement number.

Abstract: The present disclosure relates to a hydraulic system for a construction machine which uses an electric hydraulic pump, and more particularly, to a hydraulic system including an emergency control unit for temporarily driving the construction machine when an electronic control unit controlling the electric hydraulic pumps fails to operate.

Abstract: A pressure/flow regulator includes a pressure control valve, a flow control valve, and a first control connection configured to set a variable displacement pump. The control connection is configured to be discharged to a tank by the flow control valve via a control edge of the pressure control valve that is open in the idle position of a valve piston of the pressure control valve.