Abstract: A system includes a compressor configured to compress a vapor, or a vapor and liquid mixture, and a first rotor of the compressor disposed on a first shaft, where the first rotor includes a first plurality of pockets in a first body portion to form a first semi-hollow internal volume or a plurality of flanks and/or a first plurality of flutes on a first external surface of the first rotor, where the plurality of flanks or the first plurality of flutes comprises a first pitch to form first variable leads.

Abstract: A vacuum pump for pumping a gas includes a pump housing which defines a pump cavity, a shiftable vane, a pump rotor body, a separate axial rotor retaining arrangement, and a radial friction bearing. The pump housing includes a closed housing wall. The pump rotor body includes a vane slit which supports the shiftable vane to define rotating pumping chambers, an axial low-pressure end which is axially supported by the closed housing wall so that a gas pressure inside the pumping chambers is present at the low-pressure end, and an axial high-pressure end. The pump housing is fluidically open at the axial high-pressure end so that atmospheric pressure is present. The axial rotor retaining arrangement includes a retaining sheet body arranged in a transversal plane which axially in part blocks the axial high-pressure end. The radial friction bearing is arranged axially between the vane slit and the axial high-pressure end.

Abstract: The present disclosure is directed to a screw compressor system having a rotor housing with a pair of screw rotors rotatably supported within a compression chamber. A suction side slide valve is in fluid communication with an inlet to the compression chamber. The suction side slide valve is movable between a closed position and a fully open position to define a variable suction side inlet volume for controlling capacity of the compressor.

Abstract: A lubricating oil supply apparatus having a structure in which a valve is forced in a direction for opening a bypass hole by a centrifugal force, and a spring presses the valve in a direction in which the valve closes the bypass hole. When the above-described structure is applied to an oil pump in which an oil (lubricating oil) supply amount increases in proportion to an operation speed, it is possible to secure a sufficient oil (lubricating oil) supply amount in a low speed operation mode, and prevent oil from being supplied more than necessary in a high speed operation mode.

Abstract: The present disclosure is directed to a screw compressor system having a compressor housing with a pair of screw rotors rotatably supported within a compression chamber. A lubricant port is in fluid communication with the compression chamber. A nozzle insert having a longitudinal body extending between a first end and a second end can be positioned within the lubricant port. A swirl chamber formed by the nozzle insert or tangential flow into an offset lubricant port is configured to generate an atomized lubricant flow and discharge the atomized lubricant into the compression chamber.

Abstract: A disclosed submersible pump apparatus includes a three-dimensional frame, a pump housing, a drive shaft, an impeller, and first and second motors. The impeller is mounted on the driveshaft within the pump housing and is driven by one or both of the motors. The first motor is connected to a first end of the drive shaft and the second motor connected a second end of the drive shaft. The first and second motors are hydraulic motors and in a first configuration, the first and second motors are configured to cooperatively rotate the drive shaft with hydraulic fluid supplied to and removed from the first and second motors using a parallel fluidic connection. In a second configuration, only one of the motors has a drive gear and drives the drive shaft while the second motor does not have a drive gear and acts as a frictionless bearing supporting the drive shaft.

Abstract: A fan includes a metal plate, multiple cylindrical coils, a frame and an impeller. Multiple teeth annularly arranged and connected with each other are formed on the metal plate. Each cylindrical coil is arranged between adjacent teeth, and each end of the cylindrical coil is arranged toward corresponding tooth. The frame is arranged on a surface of the metal plate and extended along an edge of the metal plate. A flow channel and an air outlet connected to the flow channel are formed by the frame. The impeller is arranged in the flow channel. A stator structure of the fan is simplified by forming the teeth on the metal plate.

Abstract: An axial fan includes a rotor portion including a shaft arranged to extend along a central axis extending in a vertical direction; a stator portion arranged radially opposite to the rotor portion; and an impeller hub fixed to the rotor portion, and arranged to be capable of rotating integrally with the rotor portion. The impeller hub is an injection molded article, and includes a hub top plate portion arranged to extend perpendicularly to an axial direction; a hub tubular portion being tubular, and arranged to extend axially downward from an outer edge of the hub top plate portion; a plurality of blades arranged in a circumferential direction on an outer surface of the hub tubular portion; and an inner fixing portion arranged radially inward of the hub tubular portion. The rotor portion includes a rotor tubular portion being tubular and arranged to extend in the axial direction.

Abstract: In one embodiment, a system, comprising: a damper assembly, the damper assembly comprising: a structural member; at least one door pivotably coupled to the structural member; a clip connected to the damper assembly and comprising plural spring end constraining segments; a spring comprising a first end and a second end, wherein at least the first end comprises a hook, the spring coupled at the first end to one of the plural spring end constraining segments and at the second end fixably coupled to the damper assembly, the clip configured to accept a hookable connection to the spring at any one of the plural spring end constraining segments, each of the plural spring end constraining segments constraining movement of the hook, when connected thereto, during opening and closing of the at least one door, wherein the spring is at a first tension when hooked to the one of the plural spring end constraining segments and at a second tension when hooked to another of the plural spring end constraining segments.

Abstract: An apparatus for suppressing a surge of a turbo compressor is provided. The apparatus includes a compressor housing having a compressor wheel provided therein and an inlet having air flowing thereinto and protruding from a first opposite to the compressor wheel. A connection module has a first side connected to the compressor housing to communicate with the inlet and a second side that includes an inlet for supplying air. A flexible cone of an elastic material is disposed in the connection module and is formed in a conical shape having sizes of cross-sectional areas of a first side and a second side that are different from each other. A spring member is coupled to an exterior circumferential surface of the flexible cone to provide an elastic force and operated to change a size of a cross-sectional area of the first or second side of the flexible cone.

Abstract: A centrifugal blower includes: a centrifugal fan, which includes a shroud ring; and a case. The case includes a cover portion that covers a surface of the shroud ring located on one side in an axial direction. The cover portion includes a recess formed in a cover opposing surface, which is opposed to the shroud ring, and the recess is shaped in a form of a circle. The shroud ring includes at least one projection that is formed in a ring opposing surface, which is opposed to the cover portion. A gap is formed between the cover portion and the shroud ring. A shortest distance between a radially inner end part of the shroud ring and the cover portion is set to be larger than a shortest distance between a surface of the projection and a surface of the recess.

Abstract: A centrifugal fan assembly comprises a blade assembly integrally formed. The blade assembly comprises a plurality of blades integrally formed, wherein each blade of the plurality of blades has a twisted shape with a first portion of a hub end of the each blade facing a first adjacent blade, and a second portion of a outer end of the each blade diagonal to the first portion of the hub end facing a second adjacent blade, a fixing portion integrally connected to the blades. The centrifugal fan assembly comprises at least one opening formed in the fixing portion and a hub plate comprising a recessed portion and a convex portion enabled to couple to the blade assembly. The concave portion is provided to correspond to a shape of the fixing portion and the convex portion is provided to correspond to a shape of the at least one opening.

Abstract: An axial fan includes a rotor portion, a stator portion arranged radially opposite to the rotor portion, and an impeller hub fixed to the rotor portion, and arranged to be capable of rotating integrally with the rotor portion. The impeller hub includes a hub top plate portion; a hub tubular portion being tubular, and arranged to extend axially downward from an outer edge of the hub top plate portion; a plurality of blades arranged in a circumferential direction; a plurality of wall portions arranged in the circumferential direction radially inside of the hub tubular portion; and a joining portion arranged to join a corresponding one of the wall portions to the hub tubular portion. A radially outer surface of the rotor tubular portion is arranged to be in contact with an inner surface of at least one of the wall portions.

Abstract: An axial fan includes a rotor portion including a shaft arranged to extend along a central axis extending in a vertical direction, a stator portion arranged radially opposite to the rotor portion, and an impeller hub fixed to the rotor portion, and arranged to be capable of rotating integrally with the rotor portion. The impeller hub includes a hub top plate portion arranged to extend perpendicularly to an axial direction; a hub tubular portion being tubular, and arranged to extend axially downward from an outer edge of the hub top plate portion; a plurality of blades arranged in a circumferential direction on an outer surface of the hub tubular portion; a plurality of wall portions arranged in the circumferential direction radially inside of the hub tubular portion, with a gap between every adjacent ones of the wall portions; and joining portions each of which is arranged to join a corresponding one of the wall portions to the hub tubular portion.

Abstract: An axial fan includes a motor, an impeller capable of rotating about a central axis, and a housing including a tubular air channel wall portion arranged radially outside of the impeller. The impeller includes a tubular impeller hub, and a plurality of blades arranged in a circumferential direction on an outer surface of the impeller hub. Each blade includes a first portion where all of an inner circumferential developed blade, an outer circumferential developed blade, and an intermediate circumferential developed blade superimposed on each other overlap when viewed in a radial direction. The inner circumferential developed blade is a circumferential development of a junction of the blade with the outer surface of the impeller hub. The outer circumferential developed blade is a circumferential development of a radially outermost portion of the blade.

Abstract: The present invention discloses a high flow low pressure suction device. The device is a non-contact suction device based on multiple stage turbulence based low pressure suction mechanism which comprises fan(s) or rotating impeller(s) for drawing air/fluid/slurries operates without any seal between the device and the sucked surface. The device compounds this turbulence based low pressure generation along with Bernoulli's principle to yield a high efficiency suction device. The device implements the above concept by making the air/fluid/slurries flow through two or three zones selected from the acceleration zone(s), turbulence zone(s) (high turbulence zone) and smooth zone(s) (minimum turbulence zone).

Abstract: A liquid heating pump includes an impeller chamber having an impeller, which can be rotatably driven, and a diffusor chamber and/or pressure chamber arranged axially downstream in the flow direction and having a stationary diffusor. A heating device is associated with the diffusor and/or pressure chamber. The diffusor has a main body, in particular in the shape of a circular cylinder. The main body has a front wall on which a guide blade portion is arranged which axially protrudes in a direction of the impeller into a liquid ejection region of the impeller arranged around an outer periphery of the impeller and which extends away from the liquid ejection region outwardly toward an axial outer casing of the main body, which axial outer casing is arranged radially further outwardly than the liquid ejection region of the impeller.

Abstract: A cooling device includes a cooler disposed inside a shell, an inlet nozzle that is configured to feed a fluid into the shell, an outlet nozzle that is configured to feed the fluid passing through the cooler so as to flow outward, and a guide member that is configured to change a flowing direction of the fluid. The guide member has a collision surface which spreads in an inclined direction inclined with respect to the flowing direction of the fluid fed into the shell from the inlet nozzle, and which collides with the fluid, and an uneven portion formed in at least a portion of a peripheral edge portion of the collision surface.

Abstract: An impeller that rotates about a central axis extending vertically includes a base portion and blades. The base portion spreads perpendicularly to the central axis. The blades are on an upper surface of the base portion at intervals in a circumferential direction. The base portion includes an irregular portion that is radially outward and in which irregularities are repeated in the circumferential direction. The irregular portion includes one or more first irregular regions and a second irregular region. The first irregular regions include first recesses with a same shape and first projections with same shape, the first recesses and projections being alternately arranged one by one. The second irregular region is positioned between the first irregular regions and includes at least one among a second recess with a different shape from the first recesses and a second projection with a different shape from the first projections.

Abstract: An apparatus for dampening vibrations generated by exhaust fans may include (1) at least one exhaust fan that (A) generates airflow across an array of storage devices that include rotating disks and (B) generates acoustic waves that produce propagating vibrations and (2) at least one acoustic attenuator that (A) includes a group of honeycomb-shaped openings that dampen the acoustic waves generated by the exhaust fan and (B) mitigates, by way of the honeycomb-shaped openings, interference to the rotating disks caused by the propagating vibrations produced by the acoustic waves. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A centrifugal compressor includes a compressor head, a motor, a cooler, a support frame, a load-bearing beam and a bottom plate. The cooler and the support frame are fixedly mounted on the bottom plate, the load-bearing beam is arranged above the cooler and the support frame, the support frame supports the load-bearing beam, the compressor head and the motor are arranged above the load-bearing beam, and the compressor head and the motor are fixedly mounted on the load-bearing beam. The centrifugal compressor avoids the problem of triggering resonance, extending the service life of the whole machine.

Abstract: An elongated tank for a slurry injection system has a side wall disposed in a vertical direction and top wall. The tank further comprises an end cap coupled to the side wall comprising a slurry injection channel and defining a bottom side of the tank. The bottom side is angled downward from the side wall toward the slurring injection channel.

Abstract: A vehicle hydraulic system includes: (a) a hydraulic pump device to be driven by a vehicle drive source to eject a working fluid through first and second outlet ports; (b) a first line passage that guides the working fluid ejected through the first outlet port, with a hydraulic pressure being regulated to a relatively high value; (c) a downstream-side passage in which the hydraulic pressure is regulated to a relatively low value; (d) a path-switching valve device configured to allow the working fluid ejected through the second outlet port, to flow into the first line passage, when the hydraulic pressure is lower than a predetermined value, and configured to allow the working fluid ejected through the second outlet port, to flow into the downstream-side passage, when the hydraulic pressure is higher than the predetermined value; and (e) a bypass passage provided between the second outlet port and the downstream-side passage.

Abstract: A spool valve includes a valve portion that opens and closes a portion between an input port and an output port and a radial-direction-position changing portion provided in an outer lateral surface of the valve portion in a radial direction. When a first value is equivalent to or larger than a threshold that is larger than 0, the portion between the input port and the output port are opened to permit a flow of the oil inside the first connection oil passage, and when the first value is smaller than the threshold, the portion is closed to block the flow of the oil inside the first connection oil passage. The radial-direction-position changing portion extends in the axial direction, and a position thereof in the radial direction changes inwardly from a first side towards a second side in the axial direction.

Abstract: A switch valve for controlling a hydraulic fluid flow, the switch valve comprising: a capture element that is arranged in a valve housing and that is displaceable into a first switching position or a second switching position and interlockable by a spring loaded interlocking element in the first switching position or the second switching position, wherein a first hydraulic connection is connected with a relief connection in the first switching position and a second hydraulic connection is connected with the relief connection in the second switching position, wherein a switching travel of the capture element is limited, wherein the interlocking element is at least partially arranged in a recess of the capture element, and wherein the valve housing includes a first groove that is oriented in an axial direction and limited in the axial direction wherein the interlocking element is arranged axially movable in the first groove.

Abstract: A hydraulic control device for a vehicle drive device that includes a first layer having a first opposing surface, a first groove formed in the first opposing surface, and a first bonding formed on the first opposing surface and surrounding the first groove; and a second layer having a second opposing surface facing the first opposing surface, a second groove facing the first groove and formed in the second opposing surface, and a second bonding facing the first bonding, surrounding the second groove, and bonded to the first bonding, the second opposing surface being placed on, and bonded to, the first opposing surface, so that the first groove and the second groove form a first oil passage.

Abstract: An electronic execution unit controls and regulates a pneumatic valve assembly for a pneumatic movement. An application for controlling and regulating a valve assembly is or can be loaded so that it can be carried out on the electronic execution unit to carry out the pneumatic movement on the pneumatic valve assembly. An electronic valve controller for the open-loop control and closed-loop control of a valve assembly has at least one pneumatic valve for a pneumatic movement task.

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: In accordance with an example embodiment, a method includes monitoring a position of an actuator during operation of the actuator, determining that an actuator command value is greater than an actuator command value threshold, starting a timer upon a movement of the actuator through a starting position during the operation of the actuator at the actuator command value, determining satisfaction of at least one condition, and stopping the timer upon satisfaction of the at least one condition and movement of the actuator through an ending position.

Abstract: A fan drive system includes a hydraulic pump, a hydraulic motor that rotates a fan on the basis of hydraulic oil supplied from the hydraulic pump, a data acquisition unit that acquires an actual fan speed of the fan, a target amount determination unit that determines a target fan speed of the fan on the basis of a state of an object to be cooled of the fan, and an estimating unit that estimates a state of the hydraulic pump or a state of the hydraulic motor on the basis of a change of a feedback amount that indicates a difference between the target fan speed and the actual fan speed.

Abstract: A flow distributor for a fluid flow entering a deceleration vessel from an inlet conduit comprises a plurality of spaced vanes arranged extending substantially parallel to each other across a width of the distributor and being angled from the upstream to the downstream end so as to form flow channels therebetween to direct flow outwardly away from a central portion of the distributor.

Abstract: A fastening device for fastening soft surfaced elements to each other comprises a planar top portion and two side portions. The side portions are coupled with the planar portion at one end via an angle portion, and are arranged essentially perpendicularly in relation to said planar top portion and essentially parallel with each other thereby forming a receiving opening for receiving said element between the side portions. In addition the side portions both comprise at least one tooth, which is inclined towards the opening and the element in use and thereby arranged to fasten, such as via friction or via penetration into the surface of the element, and thereby fasten the device to the element. Moreover at least one of the portions comprises a protrusion portion for receiving, focusing and attaching a magnetic member to the device so to allow the device to be fastened to an external member via said magnetic member.

Abstract: A fastener is provided for securing a first panel to a second panel. The fastener includes a stud insertable through apertures in the first and second panels. The fastener further includes a pivoting handle assembly with a handle operatively connected to a stud head and pivotal between an upright position generally perpendicular to the first panel, and a folded position generally parallel to the first panel. A biasing mechanism is connected to the stud head and the handle that biases the handle outward relative to the stud head. A locking pin is connected to the stud head and the handle and is in connection with the biasing mechanism to hold the handle in the upright position or the folded position. A fastener is also provided for securing together the first and second panels, including a grommet, a receptacle and an insert in threaded engagement with an interior of the receptacle.

Abstract: A strut channel support system including a first brace, a second brace, and a fastening mechanism connects at least two channel struts in a multi-orientable fashion. The first brace and the second brace both possess a U-shaped channel, a base, a fastener-engagement point, and a strut-engagement point. The base is terminally connected to the U-shaped channel, the fastener-engagement point is centrally integrated into the base, and the strut-attachment feature is integrated into the U-shaped channel. This permits the base to retain the rear portion of a strut channel. The U-shaped channel perimetrically braces the lateral sides of the strut channel. The first brace and the second brace attach to each other via the fastener-engagement point. The fastener-engagement point of the first brace and the fastener-engagement point of the second brace are mechanically coupled to each other. This enables a user to adjust the orientation between at least two strut channels.

Abstract: An anchor assembly for walls comprises a toggle member and a strap member pivotally mounted together, and a locking member. In a first position thereof, the toggle member is aligned with the strap member for insertion through the wall, whereas in a second position thereof, the toggle member extends behind the wall at an angle relative to the strap member which extends from the toggle member through the hole in the wall. The locking member is adapted to be displaced along the strap member until it engages the wall and to he locked on the strap member to prevent the locking member from displacing away from the toggle member. Therefore, the locking member and the toggle member are connected by the strap member and imprison the wall by abutting respectively the visible and hidden sides thereof. A fastener introduced through the locking member and the wall threadably engages an opening defined in the toggle member.

Abstract: Provided is an industrial machine including a base including a through hole vertically passing through the base and installed on an installation surface F using a fastener through the through hole and a friction reducing member configured to protrude from a bottom surface of the base to reduce friction between the base and the installation surface. The friction reducing member is lowered below the bottom surface of the base during relocation and raised to the same level as or above the bottom surface of the base during installation by a vertical force applied to the base using the through hole.

Abstract: A screw fastener particularly adapted to improve retention while minimizing mushrooming in fibrous workpieces. A single-threaded lower portion neighbours the pointed tip of the screw and a dual-threaded upper portion neighbours the screw head. The upper portion has a first upper thread that spirals in an opposite direction to the singular lower thread, and a second upper thread that spirals in a same direction as the singular lower thread. The lower thread includes a plurality of thread turns that share a same major thread diameter while axially spanning multiple areas of the lower portion of the shaft that vary in diameter, including a bulged area, a reduced upper area of lesser shaft diameter than the bulged area at a location between the bulged area and the head, and a downwardly tapered lower area at which the diameter of the shaft narrows from the bulged area toward the pointed tip.

Abstract: The invention relates to a repair arrangement for a housing component of a gas turbine, wherein the housing component has at least one crack and at least one torque screw is inserted into the housing component to exert a force on the at least one crack. The invention further relates to a gas turbine having such a repair arrangement.

Abstract: A fastener retainer for one or more thumb nuts. The fastener retainer includes a retainer body including a first retaining surface and a second retaining surface opposed to the first retaining surface and configured to form an open-sided retaining feature that allows a thumb nut to rotate therein and translate along an axial axis, yet restrains the thumb nut from lateral motion and allows finger and thumb access via side openings of the open-sided retaining feature to turn the thumb nut. Enclosure assemblies, thumb nut retainer assemblies, and methods of connecting enclosures are disclosed, as are other aspects.

Abstract: A holder of a fastener that further includes a pivot nut. The holder includes a flange plate, and a pair of substantially U-shaped arm plates disposed on both sides of the flange plate. The arm plates hold the pivot nut so as to be pivotable and movable relative to the flange plate. The flange plate has a threaded member insertion hole through which a threaded member is inserted. The two arm plates are arranged at different distances from the center axis of the threaded member insertion hole.

Abstract: A floating anchor nut configured to receive a bolt is described. The floating anchor nut comprises a plate having a bolt aperture and retention features for retaining a nut. The floating anchor nut additionally comprises the nut that itself comprises an internally threaded body and a flange extending from an outer surface of the body, the nut being retained through interaction of the flange with the retention features, the retention features allow limited parallel displacement with respect to a plane of the plate. The flange is positioned along the body so that at least a portion of the body is counter-sunk into the bolt aperture of the plate.

Abstract: A cap assembly for enclosing an end portion of a bolt fastener includes a first cap member which includes a bore and a surface positioned within the bore which defines first threads and the first cap member also includes an external surface which defines second threads. A second cap member includes a sidewall which defines a receptacle with an opening which provides access to an interior of the receptacle and the sidewall includes an interior surface which defines third threads compatibly configured to engage the second threads. The third threads are positioned along the interior surface of the receptacle extending along a length of the receptacle a first distance and the second threads are positioned along the external surface of the first cap member extending along a length of the external surface a second distance wherein the first distance is greater than the second distance.

Abstract: A fastening system for fastening a component on a carrier component, comprising a fastening bolt, which can be fitted through a component through-passage opening and can be fastened in a fastening bore of the carrier component, and an outer sleeve and an inner sleeve, which is mounted in an axially movable manner in a through-passage opening of the outer sleeve, wherein the inner sleeve forms a through-passage opening for the fastening bolt, the fastening bolt mounted in an axially movable manner in said through-passage opening, a first spring washer, which can be fitted onto the outer sleeve and positions itself against a first side of the component, and a second spring washer, which can be fitted onto the outer sleeve and positions itself against a second side of the component, said second side being located opposite the first side.

Abstract: A torsion washer of the present disclosure includes a base portion and an elastic unit extended from the base portion. The elastic unit includes an external elastic arm and a torsion-adjusting arm arranged inside the external elastic arm. A space surrounded by the base portion and the external elastic arm is divided into a hole and a slot, in air communication with the hole, by using the torsion-adjusting arm. A distance, i.e., a radius, between the external elastic arm and a center of the hole is larger than a distance, i.e., an interference distance, between the torsion-adjusting arm and the center of the hole. Moreover, the present disclosure provides a torsion device including a plurality of the torsion washers and a shaft coupling through the holes of the torsion washers, and the shaft is configured to selectively contact each torsion-adjusting arm.

Abstract: The present disclosure provides a washer having a generally circular shape and is used for supporting a screw head. The shank of the screw penetrates the central hole of the washer. When viewed from a planar perspective, the outer edges of the washer have a sinusoidal shape with depressions and elevations.

Abstract: A fastener for retaining a bolt in a hole in a structure, comprising a bushing integrally formed with and extending from the bottom surface of a retainer, the bushing being dimensioned for insertion into the hole in the structure and having a wall thickness ranging from about 0.005 inches to about 0.030 inches, wherein the bushing is configured to be expanded within the hole, thereby securely coupling the expanded bushing within the hole of the structure and anchoring the retainer to the surface of the structure surrounding the hole. A tool for installing a fastener, comprising a tapered mandrel configured for insertion within a fastener situated within a hole of the structure, a drive mechanism configured to retract the mandrel through the fastener and thereby expand the fastener, and a force sensor configured for measuring a force applied by the drive mechanism to retract the mandrel through the fastener.

Abstract: The piston and connecting rod assembly includes a connecting rod having opposed upper and lower ends, the upper end being pivotally secured to the piston by a conventional piston pin. The lower end of the connecting rod has a passage formed therein for receiving a conventional crankpin. However, an additional sleeve is provided for the piston. The sleeve has at least one sidewall, a closed upper end and an open lower end. The sleeve is releasably secured to the piston by any suitable type of releasable attachment or engagement. An upper surface of the closed upper end of the sleeve may have a plurality of apertures or recesses formed therein, allowing a tool with corresponding pins to engage the sleeve for removal thereof from the piston.

Abstract: A swivel ball head mount embodying the invention includes a swivel ball and a housing and a push button operated clamping mechanism coupled between the ball and the housing to control their relative movement. The clamping mechanism may include a gearing arrangement or a spring arrangement producing a mechanical advantage enabling the push button mechanism to operate the clamping mechanism using a single finger. Swivel ball head mount embodying the invention are adapted to have a camera mounted on the housing.

Abstract: A bearing device 1 for a vehicle wheel, wherein an outer member 2 (specifically, a work piece W serving as the material for the outer member 2) is a plastic work piece in which an open hole (specifically, an open hole Wh of the work piece W) in an outer-side end part is pushed out from the inner sides, and the outer periphery of the outer member 2 has a thick part 2f that is enlarged radially outward.

Abstract: A rolling bearing device includes a bearing portion and a power generation portion. The power generation portion has a plurality of projecting portions provided on an outer ring spacer, a pair of core members provided on an inner ring spacer, a magnet, and a coil. The power generation portion generates an induced current in the coil as the projecting portions pass in the vicinity of first side end portions of the core members during rotation. There are two different loop paths along which magnetism generated by the magnet flows: a first loop path formed when the projecting portions are close to the first side end portions of the core members; and a second loop path formed when the projecting portions and the first side end portions of the core members are away from each other.