Abstract: A trench box, including a pair of oppositely disposed parallel elongated sidewalls defining a work volume, distal and proximal support members extending between the sidewalls, and a track positioned between the sidewalls. Track adjusting members extend between the track and the support members and a movable tram connecting plate is connected to the track. An actuator is coupled to the track and energizable to move the tram connecting plate and a tool module is operationally connectable to the tram connecting plate. A pipe dispensing assembly and a gravel hopper assembly are positionable within the working volume.

Abstract: A system for repairing a pipe damaged with dents includes a pipe holding device, a mandrel, a cable, and a winch. The pipe holding device is for holding the pipe in position. The mandrel, with a cross section and size adapted to be pulled through the interior of the pipe, has a first edge, a second edge, and a side surface. The cable has first and second ends, and the first end is detachably attached to the first edge of the mandrel. The winch is connected to the second end of the cable for winding up the cable. The mandrel is pulled by the winch with the cable and travels through the pipe to push out from inside and remove the dents on the surface of the pipe.

Abstract: The invention relates to a bearing element, a universal joint and an offshore construction, comprising such a bearing element.

Abstract: A method for installing a pre-cast/pre-stressed concrete and steel pile used in the construction of pile foundations and the resulting installed pile that has its distal end anchored to bedrock is disclosed. After the pile is located on bedrock, a first hole is drilled into bedrock that is of sufficient depth to accommodate a lower portion of the steel pipe that extends below the concrete pile and contains a plurality of orifices. A second hole is drilled into bedrock that is below and concentric to the first hole and has a diameter than that is usually less than that of the first hole. The second hole forms an anchoring socket to accommodate an anchoring anchor. Grout is injected into the steel pile and anchoring socket until the grout fills the voids in the interior of the steel pipe. Grout also seeps through the orifices in the lower end of said steel pipe and fills the second hole, and an annular space between the outer circumference of the steel pipe and the walls of the first hole.

Abstract: An adapter member for connecting a self-drilling rock anchor (1; 31; 69) with a chuck (6) of a drilling tool, includes a sleeve-shaped section (17; 37) having a bottom (20; 40; 60; 80) provided at an end (19; 39) of the sleeve-shaped section (17; 37) for forming a receiving space (21) for connection with an end (4; 34) of the rock anchor (1; 31; 69), and a seal (23; 43; 63; 83) arranged in a region of the bottom (20; 40; 60; 80) and extending from the receiving space (21) to at least a plane (E1; E2; E3; E4) defined by the bottom.

Abstract: An improved system for the moving material into and out of a trailer attached to a truck that is equipped with first and second high pressure hydraulic circuits, an airlock circuit, and a low pressure return line. The improvement to the system generally includes a selector valve that is operable between load and unload positions, and a blower and motor that are mounted to the trailer's chassis and are fluidly driven by the high pressure circuits via the selector valve being in its load position. When in the unload position, the blower and motor are bypassed and the hydraulic circuits operate in their traditional manner.

Abstract: This insert type cutting instrument includes: an insert formed as a flat polygonal plate, and which has an upper surface formed as a rake surface and a lower surface; an instrument main body which has a recessed portion formed on an outer side surface of a head portion of the instrument main body; and an insert seat formed on a wall surface of the recessed portion facing in a normal rotation direction of the instrument main body, and to which the insert is attached so that the upper surface of the insert faces in the normal rotation direction of the instrument main body. A first through-hole and a second through-hole are formed in the insert. A first screw hole and a second screw hole are formed in the insert seat of the instrument main body so that the first screw hole separates from the second screw hole in an axial direction of the instrument main body.

Abstract: The invention relates to hole locating devices and to methods for their use. An apparatus under the invention may be used to aid in locating and/or drilling holes in a composite. The apparatus may be used to locate holes to be drilled in a post-cure composite which may be formed on a surface of a tool during a curing process. The apparatus may be utilized to locate and/or drill holes in parts of an airplane or in non-airplane applications. Such an apparatus may include a body defining a bore and a cap. A first end of the body may be adapted to be secured to an interior surface of a hole defined in a tool for forming a composite. The cap may be adapted to be hermetically sealed to a second end of the body.

Abstract: In a tool holder, when oil supplied via an oil supply passage and an oil introducing passage reaches an atomizing space, the oil is atomized by an air flow of carrier gas consisting of compressed air, and then water supplied from a water supply passage and a water introducing passage is formed into a water drop in the atomizing space by an air flow of oil containing compressed air to generate the water drop with oil film in which the oil film is formed on a surface of the water drop. Since the water drop with oil film is supplied to a work piece through a top nozzle and an in-tool passage, the water drop with oil film is generated at an extremely close location to a tool, and therefore, responsiveness when supplying the water drop with oil film to the work piece can be enhanced.

Abstract: A fixture for at least one of supporting and transporting a load. The fixture includes a frame having a space defined between at least two portions of the frame. The space is configured to receive a portion of the load. The fixture also includes at least one cushion selectively positionable relative to the frame in at least two different positions wherein the at least one cushion is coupled to the frame to facilitate at least one of containing and supporting at least a portion of the load.

Abstract: A support structure for supporting and tilting an oversized cargo to reduce the effective width of the cargo. The structure comprises a bolster frame having a base and a stanchion connected to the base. The stanchion extends upwardly from a lower end connected to the base to an upper end opposite the lower end. A cylindrical roller supported is by the upper end of the stanchion for rotational movement relative to the stanchion about a rotational axis. The cylindrical roller is also supported by the stanchion for pivotal movement relative to the stanchion such that the rotational axis pivots relative to the stanchion. The bolster frame also includes a bearing pad connected to the base. The cylindrical roller and the bearing pad at least partially support the oversized cargo. The support structure may be mounted on a trailer for transporting oversized cargo, such as concrete double-tees.

Abstract: A cargo restraint system is provided, comprising a floor structure defining a number of anchorage openings made thereon with each anchorage opening defining a maximum width. The cargo restraint system also comprises at least one elbowed fastener having an elongated head portion defining a length greater than the anchorage opening maximum width and a maximal cross-sectional width smaller than the anchorage opening maximum width, the elbowed fastener also defining a body portion connected transversely to the head portion; wherein the head portion of the elbowed fastener can be inserted into one of the anchorage openings of the floor structure and the body portion can extend from this anchorage opening and project away from the floor structure. Moreover, at least one cargo restraint member is provided in the cargo restraint system, for restraining movement of a cargo item about the floor structure.

Abstract: The present invention is a housing for a surface-mountable device such as a security device (a PIR, a microwave motion detector, and the like). The housing has a surface-mountable housing portion with at least one aperture for receiving a surface-mounting member therethrough, the housing portion fabricated substantially from a plastic material. A member-retaining portion is integrally molded with the housing portion and extends substantially perpendicular from said housing portion, said member-retaining portion adapted to receive a surface-mounting member when inserted therethrough and retain said surface-mounting member in place. As a result of this configuration, when a surface-mounting member such as a screw is inserted therethrough, the surface-mounting member is held in place by the member-retaining portion and is insertable through the aperture when pressure is applied thereto.

Abstract: The present invention provides a join structure comprised of a box section column and split T-section joined by a high strength bolt and a method of securing a nut to an inside of the box section column. The present invention further provides a Torque-Shear type high strength bolt tightly tightened by a controlled tension and a joining method of a steel member using that bolt. The join structure is comprised of a box section column, a split T-section attached to its outer surface, and a high strength bolt inserted from the outside of the split T-section and fastened with the nut. The nut is secured to the box section column by joining a sleeve secured to a washer formed integrally with the nut and a sleeve of a nut holding part from the outside of the column. The Torque-Shear type high strength bolt has a pintail for controlling the torque at its top.

Abstract: A bonding stud for a data center cabinet comprises a body adapted to geometrically conform to a cage nut hole within the cabinet. The body may comprise opposing threaded studs and an annular shoulder that extends outward from the body to provide contact and bonding with ground strips used in connection with the data center cabinet. Projections formed between the shoulder and the sides of the body may penetrate the surface of the frame rails of the data center cabinet to provide a bond to the base metal of the frame rails.

Abstract: A combination of deformations on a single nail shank provides a nail with optimal withdrawal performance and shear slip resistance. In particular, a nail has a head, a tip, and an elongate shank with a first deformation and a second deformation. The first deformation is positioned closer to the tip. When the nail fastens a first substrate to a second substrate, the first deformation is positioned completely in the second substrate to provide withdrawal resistance from the second substrate. The second deformation intersects the plane between the first and second substrates to provide resistance to shear slip. Moreover, the second deformation makes contact with the inner surface of the bore created by the first deformation.

Abstract: A retractable nail includes a head portion having a striking surface and a slot through the striking face. The slot is configured for receiving a removal tool. The nail includes a piercing part the head portion and the piercing part. A longitudinal main body is positioned between the longitudinal main body includes a front side, rear side and two lateral sides. The front and rear sides include respective front and rear helical thread segments formed along a longitudinal length of the main body. The threads are filled or covered with a plastic material, epoxy, glue, composite or the like to prevent damage to the helically threads when the device is hammered or bored with a pneumatically or electrically powered nail gun into a solid material.

Abstract: A can body with a jacket-like closed wall and a base constructed on one end of the can wall includes an external base covering in the form of a sheet material. The base covering is fixed into position on an annular connection region of the can body. The base covering can form a basically flat imprintable region in a main region that is surrounded by the connection region. If a bar code can be applied in this imprintable region, then a restriction of the configuration possibility of the can wall disappears. The base covering can form a stand region whereby a standing can body is only in contact with the support surface if necessary via the base covering, and consequently the occurrence of corrosion problems is prevented. A retaining device that leaves the base of a held can body free and a position fixing apparatus are used for fixing the base covering into position.

Abstract: An end effector for transferring a wafer, a method of re-sitting a wafer in a wafer cassette, and a method of calibrating positioning of an end effector for wafer-pick. The end effector comprises a blade for supporting the wafer during transfer, and at least one engagement element coupled to the blade, the engagement element protruding from the blade for engaging the wafer during insertion of the blade into a wafer cassette for re-sitting of the wafer in the cassette.

Abstract: A loader is releasably mounted to an associated vehicle rack. The loader has a first generally horizontal position for transporting an associated boat and a second position inclined downwardly at an angle of inclination to the generally horizontal first position for launching and loading the associated boat in a predominately upright position. The loader comprises an outer frame assembly and an inner frame assembly. The outer frame assembly is configured for pivotal engagement with the associated vehicle rack. The inner frame assembly is at least partially telescopically received in the outer frame assembly. In the first position, the inner frame assembly is releasably secured within the outer frame assembly. In the second position, the outer frame assembly is at least partially rotated about a horizontal transverse axis defined by the associated vehicle rack and the inner frame assembly at least partially extends telescopically outwardly from the outer frame assembly.

Abstract: Rolls of prepared, and of unprepared materials, for use in a web-processing machine, are stored in a warehouse. Information that is used to anticipate consumption data for an impending production period, or anticipated consumption data, is supplied to a material flow system that includes implemented logic. A warehousing strategy is defined in a sub-process which uses the anticipated consumption data and a current inventory.

Abstract: A liftgate assembly may include: a platform; a lift assembly for use in lifting the platform; and, a bed extension. The bed extension may include: (a) a traffic surface adapted to receive traffic for loading and unloading cargo; (b) first and second openings; and, (c) first and second covers selectively movable by first and second portions, respectively, of the lift assembly from a first position covering the first and second openings to a second position where the first and second portions of the lift assembly extend through the first and second openings, respectively.

Abstract: A combination pipe kicker/indexer for attachment to a pipe launcher is provided. The pipe kicker includes an articulated arm that is operated by a rotating shaft. The arm has a kicker head that rises up from a frame and moves towards a pipe located in the trough of the pipe launcher. Continued rotation of the shaft causes the kicker head to push the pipe out of the trough. Reversing the shaft rotation retracts the kicker arm into its frame. The indexer includes a plate having two eccentric cam openings and a cam rotatably mounted therein. Rotation of the cams causes either end of the indexer plate to rise up from the frame and urge a section of pipe towards the pipe launcher trough.

Abstract: A device for the manipulation and movement of objects contained inside a magazine which is equipped with a plurality of housings, each designed to accommodate an object to be transferred. The device is mobile on a plane (X,Y) in front of the magazine and positionable in front of each of the housings, and comprises a cell to contain an object. The device comprises a carriage, which moves in a direction (Z) at right angles to the plane (X,Y) on respective guides in the lower part of the cell, and also comprises a slide mechanically connected to the carriage and moving in the same direction as the carriage; the upper surface of the carriage and of the slide form a support surface for an object to be transferred. The device also comprises a mechanism for activating the carriage and the slide by means of an appropriate source of motion.

Abstract: A method is described of generating power from a pressure control station of a natural gas distribution system. A first step involves channeling natural gas entering the pressure control station into a turbine (52) which is powered by expansion of the natural gas as the pressure of the natural gas is reduced. A second step involves capturing the output of the turbine (52) for useful purposes.

Abstract: It is an object of the invention is to provide a vertical axis wind turbine and a wind turbine blade, which are excellent in self-starting performance and have a high torque constant. Since the present invention comprises a wind receiving plate 40 having a wind receiving surface and an openable and closable pivot 42, which wind receiving plate 40 is operated to close in the direction in which the centrifugal force is produced in proportion to the revolution of a blade 18 generating a lifting power, and an energizing means (such as spring 44) for energizing an opening force to open the wind receiving plate to the wind receiving side, the starting performance of the lift type wind turbine can be improved by means of the wind receiving plate 40, which opens at a low revolution of the blade 18 so as to function as a drag type wind turbine, and automatically closes at a high revolution of the blade 18 so as to function as a lift type wind turbine.

Abstract: An impeller is provided for a blower having a blade (15), a plurality of notches (17) provided at predetermined intervals on a side edge of the blade (15), and a plurality of smooth portions (18) each provided between a pair of the notches (17). Since a transverse vortex discharged from the side edge of the blade (15), and on a large scale, is organized by vertical vortexes formed in the notches (17) on a small scale so as to be segmented into stable transverse vortexes, it becomes possible to reduce aerodynamic noise.

Abstract: This invention relates to a Dry Running Flexible Impeller Pump and Method of Manufacture that is specifically designed to provide a flexible impeller pump that is capable of being run dry for extended periods of time without damaging the impeller. The pump's housing and end plates are coated with a low friction industrial coating to limit the heat of friction created by the flexible impeller while in use. Additionally the flexible impeller is cast from a pre-molding silicone substrate that contains no mold release and is cast in a mold that is treated with a low friction industrial coating and is cast without mold release. Once the flexible impeller is removed from the mold it is cleaned with alcohol, baked in a vacuum at a temperature of at least 100° C., and then coated with a Paralene N coating by vacuum deposition.

Abstract: An inner shroud portion and an outer shroud portion dividedly formed per stationary blade are formed integrally with each stationary blade. A plurality of the stationary blades adjacent to each other in a circumferential direction are coupled together by a band member at the outer shroud portions. The inner shroud portions are held between seal holders which are formed as two divided members in the flowing direction of a working fluid, which are fastened by a bolt, and which have a length corresponding to the plurality of the stationary blades. The plurality of stationary blades, the inner and outer shroud portions, the band member, and the seal holders assembled in this manner constitute a unit. A plurality of the units are connected in the circumferential direction to constitute a stationary blade ring of an axial compressor.

Abstract: A turbine has a housing containing a rotatable concentric inner member with a central shaft and a plurality of substantially axially oriented blades extending between an exterior face of a peripheral wall of the inner member and an inner face of a peripheral wall of the housing. The space between the walls defines a channel into which a fluid may pass. A fluid may be directed through at least one inlet in the housing peripheral wall to act on a blade and fill the space between adjacent for causing an inner member to rotate. The fluid leaves the turbine through an outlet in the housing peripheral wall.

Abstract: A cooled cast part has an exterior surface. A cooling passageway system extends from at least one inlet port to a plurality of outlet ports. The passageway system includes a first passageway to at least a first of the outlets and surrounding at least one post. The system includes a second passageway to at least a second of the outlets passing through the at least one post.

Abstract: A turbine engine component for use in a small engine application has an airfoil portion having a root portion, a tip portion, a suction side wall, and a pressure side wall. The suction side wall and the pressure side wall have the same thickness. Still further, the turbine engine component has a platform with an internal cooling circuit.

Abstract: A blade system, has rows of blades extending radially outward along the length and around the circumference of a rotor of a low-profile ground-mounted wind turbine which is particularly suited for use in remote locations. The wind-engaging end of each blade is arc-shaped and is turned about 120 degrees to maximize efficiency. Preferably, two rotors having the unique blade system are connected to a single, centrally located generator, and the entire unit is mounted on a frame which is rotatable on wheels about a central shaft. Further, a circular track is provided in for engaging the wheels for ease of rotation of the unit either under the direction of a PLC or in yaw.

Abstract: A damping structure for a rotor assembly includes holes adapted to be defined in an outer periphery of the inner rotor and in an inner periphery of the outer rotor respectively and damping elements inserted into the gap between the inner rotor and the outer rotor. Each damping element is received in a corresponding to one of the holes of the inner rotor and the outer rotor so as to absorb vibration from the outer rotor.

Abstract: A vane of a guide vane or impeller blade of a turbo machine, particularly a gas turbine. The profile of the vane includes at least one thickening that is advantageous for flow purposes in a radially inward final region and/or a radially outward final region of the vane. The thickening is cut in the area of a forward edge of the vane so as to form a mirror surface or a basal plane.

Abstract: Twelfth stage stator vanes for a compressor comprise airfoil profiles substantially in accordance with Cartesian coordinate values of Z, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radius from the compressor centerline and containing the X and Y values with the Z value commencing at zero in the X, Y plane at a radial aerodynamic section of the airfoil. X and Y are coordinate values defining the airfoil profile at each distance Z. The X, Y and Z values may be scaled to provide a scaled-up or scaled-down airfoil section for each stator vane.

Abstract: First stage stator vanes for a turbine comprised airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, which define a plurality of radially spaced profile sections forming the nominal profile. The Z coordinate values for each profile section are radial distances from the turbine axis to a portion of the surface of revolution about the axis containing the profile section. The X and Y values for each profile section are coordinate values which, when connected by smooth continuing arcs define the airfoil profile section along the surface of revolution portion. The radially spaced profile sections are joined smoothly with one another to form the nominal airfoil profile.

Abstract: Embodiments of the invention provide a condition-based maintenance tool that may be used to monitor, configure, and in some cases correct, problems experienced by a compressor in a pipeline system. The condition-based maintenance tool may evaluate data retrieved from a compressor status database to identify overconsumption events. In response, the maintenance tool may generate maintenance alarms, initiate work orders, and/or provide recommendations for action to an operator.

Abstract: A gas compression system is operable to deliver a flow of compressed gas to a point of use. The gas compression system includes a compressor that is operable to produce a flow of compressed gas at a first pressure, a motor operable to drive the compressor at a compressor speed, and a gas treatment member positioned to receive the flow of compressed gas from the compressor and deliver the flow of compressed gas to the point of use at a second pressure. A controller is operable to vary the compressor speed in response to a difference between the first pressure and the second pressure.

Abstract: The present invention relates to a sensor assembly for measuring movements of a fluid pump, the fluid pump being driven by an electric motor and the electric motor being connectable to a feed voltage, the sensor assembly comprising an accelerometer and wherein the accelerometer is electrically associated to a bias circuit, and wherein the latter comprises a feed terminal and a signal terminal, the feed terminal being electrically connectable to the feed voltage of the motor, and the signal terminal being electrically connect able to an external measuring terminal.

Abstract: A pump providing fault protection based on a controller receiving sensed pressure values from a pressure sensor included in a cavity of the pump, so as to be integral with the pump.

Abstract: During a method of evaluating a dosing operation, carried out by means of a dosing pump, for dosing a liquid medium in a vessel, filled at least partially with a gas, a pressure profile of the gas, present in the vessel, is detected at least periodically during the dosing operation. This pressure profile is compared with a desired value profile, prescribed for a control unit of the dosing pump, of the pump rate or pump output defining the dosing operation, and an evaluation result is issued in dependence on the comparison. In such case, the dosing operation is evaluated to be faulty or in need of correction when it is determined that the detected pressure profile over time with the prescribed pump rate or prescribed pump output lies outside a desired value range. A plurality of error conditions for the evaluation of the dosing operation are used, which consider the pressure development in a time window after a prescribed change in the defining pump rate or pump output.

Abstract: A displacement detection device for a variable displacement compressor in which a swash plate which is connected to a piston through shoes in a housing slides relative to the shoes and rotates synchronously with a drive shaft with a wobbling motion in an axial direction of the drive shaft as the drive shaft is rotated, and an inclination angle of the swash plate is controlled thereby changing a stroke of the piston, includes a detection object provided in a first portion of an outer periphery of the swash plate where an imaginary plane passing through a point of intersection between a line connecting top and bottom dead center positions of the swash plate and an axial line of the drive shaft in perpendicular relation to the line intersects with the outer periphery of the swash plate and a detector provided in the housing so as to face the detection object.

Abstract: In a structure for oil recovery in a compressor for separating oil from refrigerant and supplying the separated oil into the compressor through an oil supply passage, the compressor includes a rotary shaft, a cylinder block having a plural cylinder bores, a cam member rotated integrally with the rotary shaft, a piston received in each cylinder bore being operable in conjunction with the rotation of the rotary shaft through the cam member, a suction port for allowing the refrigerant to be drawn from a suction-pressure region of the compressor to the corresponding cylinder bore, a discharge port for allowing the refrigerant to be discharged from the corresponding cylinder bore to a discharge-pressure region of the compressor, and a flexible reed valve for opening and closing one of the suction port and the discharge port. The oil supply passage is opened and closed in accordance with motion of the reed valve.

Abstract: A pressure washer pump generally includes a pump housing that defines a cavity, an opening into the cavity and a bottom of the cavity generally opposite the opening. A valve assembly is disposed in the cavity through the opening. The valve assembly includes a cage member that contains a first valve mechanism. A plug member is received in the opening to fluidly seal the cavity of the pump housing. A compliant member is disposed between the plug member and the cage member. The cage member is disposed between the compliant member and the bottom of the cavity and spaced from the plug member.

Abstract: In a fluid flow network including a centrifugal pump, a system and kit for monitoring said centrifugal pump and relieving the pump of fluid when the pump is operating at no-flow conditions. The system comprises a fluid conduit connected to the pump, at least one sensor for indicating when the pump is operating at no-flow conditions. The sensor is selected from the group consisting of: temperature sensors, pressure sensors, and motor current sensors. The system has a fluid control means located in the fluid conduit. An electric snap-action valve is included that has an inlet connected to the fluid conduit and an outlet and a diaphragm. The diaphragm is movable between a first position and a second position. A power supply is included.

Abstract: A muffler forming member defines a muffler chamber. Refrigerant discharged from a cylinder bore is sent to the muffler chamber. The muffler forming member is coupled to a circumferential surface of a housing of a compressor. An oil separation chamber is defined in a discharge pressure zone of the compressor. The oil separation chamber separates the oil from the refrigerant discharged from the cylinder bore. The oil separation chamber extends into both the muffler forming member and the housing. The oil separation chamber has a refrigerant inlet through which the refrigerant flows into the oil separation chamber. The refrigerant inlet is formed in the muffler forming member. Therefore, the oil separation chamber is prolonged in the direction from the muffler forming member toward the housing, thereby improving the oil separation performance.

Abstract: The tube 110 has a hollow portion 111 and a wall portion 112. The tube 110 has mutually contacting wall portions 111a that become compressed in such a way that the wall portion 112 comes into mutual contact in the hollow portion 111 through compression by a compressing mechanism 120, and is designed so that the mutually contacting wall portions 111a come into mutual contact, and the mutually contacting wall portions 111a recover upon release of the compressing mechanism. The mutually contacting wall portions 111a have readily contacting portions C1 that come into mutual contact at a certain level of compressing force, and contact resistant portions S1 that come into mutual contact only at a higher level of compressing force than in the readily contacting portions C1. The thickness of the wall portion 12 around the hollow portion 11 varies so that the readily contacting portions C1 are subjected to greater force than the contact resistant portions S1.

Abstract: An electric pump may comprise a pump case (110, 150) having a pump chamber. An impeller 143 may be rotatably disposed within the pump chamber. The impeller 143 may include a magnetized cylindrical portion 145. A stator 133 may be disposed opposite to the cylindrical portion 145 of the impeller 143. The stator 133 may drive the impeller 143 by applying magnetic forces to the cylindrical portion 145 of the impeller 143. A shaft 146 may be formed integrally with the impeller 143. One end of the shaft 143 may be rotatably supported with respect to the pump case.

Abstract: A vibration damper includes a first damping member coupled to a compressor, a second damping member coupled to the first damping member, and a dispersion member between the first and second damping members to disperse torsional vibration forces from the compressor. The dispersion member may also serve to disperse axial and torsional vibration forces received from the compressor through the first damping member.