Abstract: A compressor assembly of a turbocharger can include a compressor housing that includes a compressor wheel space and a diffuser section that extends from the compressor wheel space to at least one volute; a dual-faced compressor wheel disposed at least in part in the compressor wheel space where the dual-faced compressor wheel includes a first compressor wheel face and a second compressor wheel face oriented back-to-back; and a diffuser section divider disposed at least in part in the diffuser section where the diffuser section divider includes a first side that defines in part a first diffuser that includes a first set of vanes associated with the first compressor wheel face and a second side that defines in part a second diffuser that includes a second set of vanes associated with the second compressor wheel face.

Abstract: A method of fabricating a fan case for a gas turbine engine defines a metallic ring including an outer surface and an inner surface. A first composite material is assembled about the outer surface of the metallic ring. A second composite material is assembled about the first composite material. The first composite material and the second material are cured about the metallic ring within a tool to form a first subassembly. The first subassembly is removed from the tool. A fan case assembly for a gas turbine engine and a gas turbine engine are also disclosed.

Abstract: A rotor stage (200) for a turbomachine, including a plurality of rotor blades (9), a rotor main body (7) having at least two rotor arms (3) and a balancing assembly (1) for balancing the rotor stage (200). The rotor arm (3) configured downstream from the rotor main body (7) features the balancing assembly (1). The balancing assembly (1) is configured between the axial end region of the rotor arm (3) and the rotor disk (27) of the rotor main body (7). Furthermore, a rotor drum (17, 18) for a turbomachine and a rotor (1000) for a turbomachine.

Abstract: A vibration damper structure and a fan thereof. The vibration damper structure includes a support body, a fixing seat and an elastic member. The support body has a lower end. The fixing seat has a tubular section. The tubular section has a protrusion end corresponding to the lower end of the support body and a receiving space. The receiving space has a bottom section. The elastic member is disposed in the receiving space of the tubular section and positioned between the support body and the fixing seat. Two ends of the elastic member are respectively in contact with the lower end of the support body and the bottom section of the receiving space. The vibration damper structure is applied to the fan to greatly reduce the vibration of the fan in operation.

Abstract: A rotor for a gas turbine is disclosed which includes alternating first and second set of rotor blades, the first set of rotor blades having a baseline profile and the second set of rotor blades having a profile with a cutback relative to the baseline profile, the cutback removing a portion of the baseline profile surrounding a maximum deflection point of a selected natural vibration mode. The cutback may be a leading edge cutback at a span position located a distance away from the hub between 50% and 90% of the total span length. The selected natural vibration mode may be a natural vibration mode higher than the 1st natural vibration mode, more specifically may be the 4th natural vibration mode.

Abstract: An air blower including a casing having an intake port and a discharge port an air-blowing fan disposed inside the casing to take in air through the intake port and discharge air from the discharge port; and a filter filtering the air taken in through the intake port, wherein an insect trapping part trapping an insect is disposed in a ventilation path between the intake port and the filter.

Abstract: A centrifugal compressor includes: a rotational shaft; a main casing surrounding at least a part of the rotational shaft, the main casing having an inlet and an outlet separated from each other in an axial direction of the rotational shaft and an annular space surrounding a section of the rotational shaft at a side of the inlet and communicating with the inlet; at least one impeller disposed in a fixed state to the rotational shaft inside the main casing; a flow guide member disposed inside the annular space and extending along the axial direction of the rotational shaft; a plurality of injection holes disposed along the flow guide member and separated from one another along the axial direction of the rotational shaft; and a flow path which extends inside the annular space and through which a cleaning fluid to be supplied to the plurality of injection holes is capable of flowing.

Abstract: Apparatus and methods for metering fluid to a fluid actuator. An example apparatus may include a hydraulic actuator, a fluid chamber, and a hydraulic directional control valve. The fluid chamber may include a piston slidably movable between first and second ends of the fluid chamber and dividing the chamber into first and second chamber portions. The hydraulic directional control valve may direct a fluid from a fluid source into the first chamber portion to cause a volume of fluid to be discharged out of the second chamber portion into the hydraulic actuator to actuate the hydraulic actuator by a distance corresponding to the volume of fluid received by the hydraulic actuator.

Abstract: A flapper for use in a servovalve is described, the flapper comprising a first material and a second material, the first material having a first coefficient of thermal expansion and the second material having a second coefficient of thermal expansion and wherein the first and second coefficients of thermal expansion are different to each other. An armature/flapper assembly is also described, which comprises this flapper as well as a plate and a torsion bridge. A method of compensating for alteration of the null of a servovalve due to temperature changes in a servovalve is also described.

Abstract: A rotary actuator includes a housing having an interior boundary that defines a central bore and has interior recesses, a chamber housing assembly disposed in the central bore and having an arcuate chamber, the arcuate chamber comprising a cavity, an exterior boundary of the chamber housing assembly having exterior recesses, each of the exterior recesses aligned with a respective one of the interior recesses, pins residing between the interior boundary and the exterior boundary, each of the pins mated to one of the exterior recesses and a corresponding one of the interior recesses to maintain an orientation of the chamber housing assembly with respect to the housing, a rotor assembly rotatably journaled in the chamber housing assembly and comprising a rotary output shaft and a rotor arm, and an arcuate-shaped piston disposed in the chamber housing assembly for reciprocal movement in the arcuate chamber.

Abstract: An actuator assembly includes an actuation member, a release member, and a source of pressurized gas, wherein during a normal mode of operation, the actuation member and the release member are engaged to move in unison, and wherein during an emergency mode of operation, pressurized gas automatically decouples the actuation member from the release member to move separately. In accordance with yet other aspects of the present disclosure, an electro-mechanical actuator includes an electro-mechanical drive system and an integrated backup system operated by a gas generator, wherein when the backup system is activated, the electro-mechanical drive system is decoupled and the actuator moves to a predetermined position and mechanically locks in place.

Abstract: An actuator includes a piston and a housing. The piston includes a piston shaft that is configured to reciprocate within the housing. The actuator also includes a conductor coupled to the piston within the housing and configured to electrically couple the piston to the housing as the piston reciprocates within the housing.

Abstract: Systems and methods may be provided to digitally control both position and crossover pressure in a double-acting pneumatic actuator, in view of constraints (e.g., a deadband range comprising a set point) set on the crossover pressure. Control may be achieved, via a control algorithm (e.g., a Multiple Input Multiple Output (MIMO) control algorithm) acting upon inputs of actuator position feedback and crossover pressure feedback (e.g., as indicated by pressure feedback of each respective pneumatic chamber). Further, the embodiments described herein may reduce the necessary frequency of control actions for adjusting crossover pressure, thus reducing wear on process components, and allowing for finer control of actuator position.

Abstract: A device for relieving pressure in hydraulic lines, in particular in connecting lines that have coupling points (6, 8), are located between attachments and include hydraulically actuated actuators and working implements supplying the attachments. A control block (2) is connected to the line to be relieved and includes an openable non-return valve (12) as a relief valve. A pressure accumulator (22) holds a relieving volume when the non-return valve is open. An actuating member (38) can be moved manually to open the non-return valve (12) and is arranged to be movable on the housing (24) of the pressure accumulator (22).

Abstract: Material flow amplifiers as disclosed herein overcome drawbacks associated with known adverse flow conditions (e.g., surface erosion and head losses) that arise from flow of certain types of materials (e.g., fluids, slurries, particulates, flowable aggregate, and the like) through a material flow conduit. Such material flow amplifiers provide for flow of flowable material within a flow passage of a material flow conduit (e.g., a portion of a pipeline, tubing or the like) to have a cyclonic flow (i.e., vortex or swirling) profile. Advantageously, the cyclonic flow profile centralizes flow toward the central portion of the flow passage, thereby reducing magnitude of laminar flow. Such cyclonic flow profile provides a variety of other advantages as compared to a parabolic flow profile (e.g., increased flow rate, reduce inner pipeline wear, more uniform inner pipe wear, reduction in energy consumption, reduced or eliminated slugging and the like).

Abstract: The present disclosure relates to a system for improving fluid circulation in a fluid-body with improved hydrodynamics, minimized dead zones and a system with minimized energy losses, the system comprises at least one dividing-element disposed within the fluid-body, wherein, the dividing-elements divides the fluid-body into at least two segments such that the segments are connected to and in fluid communication with each other, characterized in that, at least one of the dividing-element has at least one asymmetrical structure configured on at least one extremity thereof.

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: In various example embodiments, an apparatus for installing a window covering is disclosed. A rotational cam member is provided for extending a first piston on one side of a headrail and compressing a second piston on the opposite side of the headrail between a window casing. A lever arm is provided for rotating the rotational cam. Spacers are provided to adjust the compression of the apparatus, along with indicators indicating whether spacers need to be added or removed. Easy installation of a window covering headrail may be achieved as one arm is used to hold the headrail while the other hand is able to actuate the lever arm. Mounting brackets are provided for easy window covering removal after installation.

Abstract: A probe head of a coordinate measuring machine (‘CMM”) includes a sensor to detect impact of the probe head with a foreign object. The probe head is movably coupled to the CMM such that the sensor detects motion of the probe head relative to a portion of the CMM resulting from an impact event. Some embodiments cause the CMM to take action in response to detecting an impact. Probe clips allow adjustment of the position of a CMM probe relative to the portion of the CMM from which the probe is suspended. This allows the position and orientation of the CMM probe to be adapted to a variety of applications.

Abstract: A display clip and mounting system for securely mounting an object to a surface having outwardly extending edge. The display clip has a section that engages the outwardly extending edge and a section that engages the object to hold the object to the display clip. The edge engaging section has a base with a hook that engages the outwardly extending edge. The object engaging section has an engaging member with an outwardly projecting member that extends generally perpendicularly from a back panel, an engaging cap that engages the projecting member and a mounting strap that connects the cap to the projecting member. The cap tightly engages the projecting member to prevent inadvertent unlocking of the display clip. The base has a plurality of interconnected positioning apertures that receive the projecting member to allow the user to adjust the location of the projecting member for different sizes of objects and surfaces.

Abstract: A tension rod has end caps that are configured such that the end caps expand when downward pressure is applied to the rod whereby enhanced tension is generated resulting in the tension rod being securely attached to the support structure, such as opposing walls.

Abstract: A mechanical connector for securing a dowel rod to a frame of a dowel bar assembly as well as a dowel bar assembly are detailed. Each embodiment of the mechanical connector includes a portion to receive the dowel bar. A second portion of the mechanical connector engages the frame of the dowel bar assembly. A third portion of the mechanical connector engages a separate part of the frame further stabilizing the mechanical connector and frame.

Abstract: A method of forming an injection-bonded joint includes providing a first part and a second part having a second part upper edge and a second part lower edge, and forming a chamber wall within a bondline region between mating surfaces of the first part and the second part. The chamber wall divides a bondline length of the bondline region and defines at least one adhesive chamber. The method further includes forming a bondline dam along each of the second part upper edge and the second part lower edge in a manner such that the chamber wall, the bondline dams, and the mating surfaces collectively enclose the adhesive chamber having a chamber upper edge and a chamber lower edge. The method also includes injecting a structural adhesive into the adhesive chamber through an injection port and discharging excess adhesive from the adhesive chamber through a bleed hole.

Abstract: A system (200) for making a fitted cap (300) comprises a fastener template (202), dimensionally identical to a portion (106) of a fastener (100) and extending from a support plate (210), and a first plurality of through-openings (212) penetrating the support plate (210) and arranged about the fastener template (202). The system (200) also comprises a precursor cap (320) that is geometrically complementary to the fastener template (202), first means (217) for heating a first polymer sheet (270), and second means (219) for applying suction to the first polymer sheet (270) through the first plurality of through-openings (212) to vacuum-form the first polymer sheet (270) over the precursor cap (320). After vacuum-forming the first polymer sheet (270) over the precursor cap (320), at least a portion of the first polymer sheet (270) forms the fitted cap (300). The fitted cap (300) is configured to apply a shaped sealant shroud (590) to the portion (106) of the fastener (100).

Abstract: A system (501) for applying a shaped sealant shroud (590) to a portion (106) of a fastener (100) comprises a fitted cap (300) positionable such that a uniform gap (302) is formed between a wall (305) of the cap and the portion (106) of the fastener (100). The fitted cap (300) further comprises an inlet opening (306) and a vent (309) each configured to be communicatively coupled with the uniform gap (302). The system (501) also comprises a cap-manipulation tool (500) comprising a shaft (510) comprising a through, circumferentially closed, channel (516), configured to receive sealant (592) and to communicate the sealant (592) therethrough. The channel (516) is capable of communicating the sealant (592) through the inlet opening (306) of the fitted cap (300) into the uniform gap (302), and the vent (309) is oriented to purge gas from the uniform gap (302).

Abstract: A functional element having a functional portion, a generally tubular rivet portion and a ring-like sheet metal contact surface is characterised in that features of shape are provided at the rivet portion for co-movement of the sheet metal part during the formation of the rivet bead, in particular at the free end of the rivet portion and/or at the radially outer side of the rivet portion, at least in the region adjacent the free end of the rivet portion. A component assembly comprising a functional element and a sheet metal part as well as a method for the attachment of a functional element to the sheet metal part are also claimed.

Abstract: A fastening arrangement with a screw having a shank with a front end that is to be inserted into a hole drilled into a substrate, and at least one thread, whereby the thread is arranged on the shank, and with a squeezing unit having a compound reservoir containing a compound for filling a gap that exists between the shank and the wall of the drilled hole, with a squeezing disk towards which the front end of the shank can be moved in order to squeeze the compound out of the reservoir, and having a holding element for fastening the squeezing disk in the drilled hole, whereby, arranged on the holding element, on the one hand, there is the squeezing disk and, on the other hand, a stop element that comes to rest against the opening of the drilled hole.

Abstract: A readily removable expanding precision holding and locating pin for securing parts to a work surface or assembly. This device works equally well as a threaded in insert with controlled fit counter bore, press fit or controlled fit bore, a taper fit etc. allowing the device to be used in many standard fixtures without modification the fixture, for example, tombstone fixtures mounted on horizontal machining centers. The device itself can be furnished as an oversize mandrel that can be machined to less than 50% of its original diameter. The device holds and can position in the X, Y, Z, directions and also resists rotation along the C/L Axis.

Abstract: A power line hook includes a spring-loaded safety latch with a mechanical release pin attached to the safety latch and extending through the hook body to an engagement catch or ring. The hook shank surface adjacent to the release pin and engagement ring is configured for receipt within a groove formed at an end of a standard hotstick, enabling its swift and secure connection thereto, with a user able to readily manipulate the position of the hook end and safety latch release while using the hot stick.

Abstract: The present invention relates to a bearing shaft provided with an outer peripheral surface that includes a raceway surface (side surface) on which a rolling element rolls. The bearing shaft is made of steel containing carbon of 0.7% or more. The raceway surface is forming with a nitrogen-enriched layer. The absolute value of compressive residual stress in the surface of the nitrogen-enriched layer (i.e., the surface of a hardened layer which is formed on the side surface of the bearing shaft by shot peening) is 600 MPa or more and 1700 MPa or less. Thereby, it is possible for the present invention to prolong the operation life of a bearing.

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 rotary joint includes a socket rod having a socket rod flange with an at least partly spheroid concave bearing surface at a first end, a housing nut encircling the socket rod and having a threaded wrenching head, and a ball rod having an at least partly spheroid convex bearing surface and threaded side walls around the bearing surface. The diameter of the threaded side walls of the ball rod corresponds to a diameter of the threaded wrenching head of the housing nut.

Abstract: A roller structure and a manufacturing method thereof are introduced. The roller structure includes a cylindrical roller rotatable about an elongated axial portion disposed coaxially in a through-hole of the cylindrical roller, a bush with an end fixed to an end of the elongated axial portion, the bush having a first stop portion positioned proximate to one axial end of the cylindrical roller and another end having an engaging portion coupled to a load, and a second stop portion disposed at an opposite end of the elongated axial portion and positioned proximate to the other side of the roller such that the roller rotates between the first stop portion and the second stop portion. Hence, the roller structure and the manufacturing method thereof provide a modularized roller structure for carrying a load, effectuate modularized assembly and production, enhance assembly efficiency, attain structural streamlining, and cut costs.

Abstract: A cam follower roller device having a tappet extending along a longitudinal axis and including a cylindrical tappet body defining a bore. The device further having a rolling assembly arranged within the bore, and including a support body with a base and flanges, a pin and a roller. Each of the flanges of the support body is provided with an outwardly protruding portion that extends transversally from the flange towards the tappet body. The tappet body includes a support diametrically opposed and having each a transverse surface that cooperates with the protruding portion of the support body to longitudinally block the support body.

Abstract: A bearing device supports a shaft of a gas turbine engine. A first support disk is mounted to the bearing housing element. First tilting pads are tiltably arranged one after another along a circumferential direction at the first support disk. A second support disk is mounted to the bearing housing element spaced apart from the first support disk along an axial direction. Second tilting pads are tiltably arranged one after another along the circumferential direction at the second support disk. A first number of the first tilting pads is greater than the half of a second number of the second tilting pads but smaller than the second number of the second tilting pads.

Abstract: In a cross roller bearing, an outer ring and an inner ring have respective mounting portions formed thereon in such a manner as to reduce the radial thickness of the bearing to thereby reduce weight. The cross roller bearing has rollers and separators disposed in a load-carrying race formed between the outer ring and the inner ring. The outer ring and the inner ring have the respective mounting portions located axially away from respective raceway surfaces. The outer circumferential surface of the outer ring and the inner circumferential surface of the inner ring are flat. The mounting portion of the outer ring does not radially protrude from the inner circumferential surface of the inner ring, and the mounting portion of the inner ring does not radially protrude from the outer circumferential surface of the outer ring.

Abstract: A roller assembly includes an outer ring having an interior area defined by an inner surface extending between a first and second axial end thereof. The inner surface has a bearing surface. A flanged headed shaft having an exterior bearing surface extends into the interior area. The shaft has a circumferential retainer receiving surface thereon. Two rows of rollers are positioned in the interior area with a spacer ring therebetween. A retainer ring is secured to the retainer receiving surface. The two rows of rollers and the spacer are axially retained on the shaft by and between the flanged head and the retaining ring so that the roller assembly withstands an axial load of up to 100 percent of an applied radial load.

Abstract: A large size bearing unit provides a rolling bearing having a first ring element and a second ring element and a plurality of rolling elements interposed radially in-between the first and the second ring elements. The first and the second ring elements rotate relative each other in relation to a rotational axle. The first ring element provides at least two separate ring elements located adjacently in a row along the rotational axle. At least one ring-formed support element is at least partly embedding the at least two separate ring elements and includes a seat surface onto which the at least two separate ring elements are located. The at least one ring-formed support element has two axially opposite surfaces extending radially from the seat surface to partly enclose the at least two separate ring elements. At least one of the axially opposite side surfaces is located on a separate ring-formed element.

Abstract: Embodiments of the invention are directed to compact bearing assemblies configured to operate in small spaces and/or in harsh environments, bearing apparatuses including such bearing assemblies, and method of operating such bearing assemblies and apparatuses. For instance, one or more compact bearing assemblies may at least partially rotatably secure a shaft of a power generation unit to a housing thereof. Also, a first compact bearing assembly may connect or couple to the shaft and may rotatably engage a second compact bearing assembly, which may be connected or otherwise secured to the housing.

Abstract: Provided is a partially-annular sliding member including a sliding layer including fibrous particles having an average particle size of 5-25 ?m dispersed in a synthetic resin at a volume ratio of 10-35% of the sliding layer. The particles having a major axis length?20 ?m are included at a volume ratio of ?10% to total particles. A sliding surface side area is defined from the sliding surface and has a thickness of 25% of a sliding layer thickness T, where the fibrous particles having a major axis length of ?20 ?m have a dispersion index of 1.1-6. An interface side area is defined from the interface and has a thickness of 25% of T, where the dispersion index is 1.1-6. An intermediate area is defined between the both areas, where the dispersion index is 0.1 to less than 1.

Abstract: In one aspect, the present disclosure provides a sliding bearing system, comprising (a) a base plate, (b) one or more force measuring sensors, wherein each of the one or more force measuring sensors includes a top surface and a bottom surface, and wherein the bottom surface of each of the one or more force measuring sensors is coupled to the base plate, and (c) a first sliding surface coupled to the top surface of each of the one or more force measuring sensors.

Abstract: A cage segment of a rolling bearing, which cage segment has two side plates and two webs which are fixedly connected to one another, wherein the webs extend parallel to the axis of rotation of the rolling bodies of the rolling bearing, and in which cage segment the side plates and the webs form a pocket for receiving a rolling body. In order to be able to produce and assemble a cage segment of said type in an inexpensive manner, and in order to be able to ensure operation without jamming in an associated rolling bearing, it is provided that the two side plates on both sides of the pocket extend in a circumferential direction of the rolling bearing to such an extent that the side plates together with in each case one of the two webs form in each case one half-pocket for receiving a directly adjacent rolling body.

Abstract: A radial support bearing assembly for use within a steering column assembly having an outer tube and a shaft, including at least one inner ring defining an inner raceway, the inner ring being axially fixed relative to the shaft, at least one outer ring defining an outer raceway, and a plurality of roller elements disposed between the at least one inner ring and the at least one outer ring in rolling contact with the inner raceway and the outer raceway. The inner ring is in direct contact with the shaft and has a circular cross-section as taken in a plane parallel to a longitudinal center axis of the shaft.

Abstract: An oil mist management system includes a machine tool, an oil mist concentration measuring apparatus for measuring concentration of oil mist, and a flow meter for detecting the flow rate of coolant, in each of a plurality of areas. A data processing apparatus determines whether distribution of the oil mist in the plurality of areas is normal or abnormal on an area-by-area basis, based on the concentration of the oil mist and the flow rate of coolant in each of the plurality of areas, and identifies an abnormal area. Further, the oil mist management system notifies a user of the abnormal area by an output device.

Abstract: A rolling element bearing having a first ring element, a second ring element (3), a plurality of rolling elements arranged in a space between the first and the second ring elements such that the first and the second ring elements can rotate relative each other around a rotational axle. The bearing further includes a sealing ring for sealing off a circumferential opening of the space between the first and the second ring element. The sealing ring is connected to the first ring element and further arranged to rotate relative the second ring element of the rolling element bearing. The sealing ring provides a power generating system that provides at least one pick-up element arranged to generate electrical power when the rolling element bearing rotates. The power generating system is located completely within the circumferential opening of the space.

Abstract: A seal for a rolling bearing includes a core metal and an elastic member configured to cover the core metal. A fitting portion is fixed to an outer ring and a seal portion contacts an inner ring. In the outer side of the seal portion an auxiliary lip projects without contacting the inner ring and in the inner side a main lip projects contacting the inner ring. An annular groove is formed between the main lip and a thick wall portion thus forming a flexible portion having a small wall thickness at a root portion of the main lip. The auxiliary lip inhibits intrusion of foreign substances and moisture, reduces external pressure acting on the main lip and ensures the sealing performance of the main lip. The flexible portion reduces the sliding resistance of the main lip.

Abstract: A hub unit bearing includes: a hub spindle; an inner ring; an outer ring member; a plurality of tapered rollers that are rollably provided between outer circumferential surfaces of the hub spindle and the inner ring and an inner circumferential surface of the outer ring member; a cage including a large-diameter-side annular part, a small-diameter-side annular part; and a sealing device including a metal insert, wherein: the metal insert includes a cylindrical part that is mounted on the inner circumferential surface of the outer ring member and a flange part that radially extends inward from one end of the cylindrical part; and an engaging projection is provided on an outboard side end face of the large-diameter-side annular part of the cage, and an engaging groove engaged with the engaging projection is provided on an inboard side end face of the flange part of the metal insert.

Abstract: A method of assembling a shaft assembly having a shaft defining a longitudinal axis and including a groove in an outer circumferential surface includes positioning a hub relative to the shaft and positioning a retaining ring in the groove of the shaft and adjacent to the hub. The method also includes securing a retaining member to the retaining ring. Securing a retaining member to the retaining ring includes advancing a portion of the retaining member towards the hub and deforming the portion relative to the retaining ring.

Abstract: Outer ball grooves of an outer joint member of a constant velocity joint each have a first ball groove for allowing a ball to roll therein when the constant velocity joint operates, and a second ball groove having a ball groove radius larger than a ball groove radius of the first ball groove. The second ball groove has a curved line and a connecting line. The curved line is connected to a groove bottom end of the first ball groove located closer to an opening of the outer joint member and is curved radially outward in a concave manner. The connecting line connects the curved line and the opening. The curved line is curved with a curvature center that is located closer to the opening than the groove bottom end of the first ball groove and that is located radially inside the outer joint member.

Abstract: A stem coupling for a hydrant includes: an upper portion defining an upper portion length from a center of a plurality of break-away features defined in the stem coupling to a first end of the stem coupling; and a lower portion defining an lower portion length from the center of the plurality of break-away features defined in the stem coupling to a second end of the stem coupling distal from the first end of the stem coupling, the lower portion length equaling at least two times the upper portion length.