Abstract: A gas turbine engine including a compressor section and a turbine section, coupled by one or more shafts, is provided. The compressor section progressively compresses air and includes an aft-stage of rotor blades rotatable about an axial direction of the gas turbine engine. A cooling system is included with the gas turbine engine for cooling compressed air in or from the compressor section. The cooling system includes a fluid tank for storing a volume of cooling fluid and one or more fluid lines in fluid communication with the fluid tank. The one or more fluid lines include an outlet positioned adjacent to the aft-stage of rotor blades for injecting cooling fluid into the compressed air proximate the aft-stage of rotor blades.

Abstract: A ceiling fan motor housing and cover side fixing structure includes a motor housing, a cover and a stator. The motor housing includes a rotor and plural side guide holes formed on a sidewall. The cover includes plural fixing holes formed at an edge of a top circular flange, and the side guide holes opposite to the fixing holes are fixed by plural passing-through fixing members, so that the motor housing and the cover are combined for accommodating the stator to simplify the overall assembly of the ceiling fan motor effectively, and provide a convenient way of combining the motor housing and the cover without increasing the width. Further, the wire winding space of the stator in the motor housing and the cover of the ceiling fan motor is increased for convenient assembling.

Abstract: A blower assembly having a housing and a cross flow fan rotatably mounted to the housing. Rotation of the fan drives fluid flow through the housing and produces an eccentric vortex of fluid flow in the housing. The fan has a circular blade support that induces fluid flow with rotation of the fan which interacts with the eccentric vortex. The circular blade support has at least one flow interrupter configured and arranged to rotate through the interaction of the eccentric vortex and the flow induced by the circular blade support to disrupt the interaction between the eccentric vortex and the flow induced by the circular blade support. In this manner, the at least one flow interrupter reduces the effect of the unstable vortex-blade support interaction on the airflow through the blower assembly which stabilizes the air loading on the blower assembly motor and reduces noise.

Abstract: One embodiment provides a reservoir tank, including: a reservoir main body having a reserving chamber which reserves a hydraulic fluid, a hydraulic fluid pouring port which is provided at an upper portion of the reservoir main body, and a hydraulic fluid supply port which is provided at a lower portion of the reservoir main body. A groove-like recess portion is formed on a bottom surface of the reservoir main body. As in a projection in which the hydraulic fluid pouring port is projected onto a bottom surface side of the reservoir main body, the recess portion is disposed between the hydraulic fluid pouring port and the hydraulic fluid supply port.

Abstract: A hybrid shovel includes an engine that is controlled at a constant revolution speed, a motor generator that assists the engine, a control part that controls a drive of the motor generator, and a hydraulic pump that is driven by the engine. The control part causes the motor generator to assist the engine when a revolution speed of the engine is lower than the constant revolution speed due to a load of the hydraulic pump. The control part causes the motor generator to decrease an assist output to said engine before the revolution speed of the engine returns to the constant revolution speed.

Abstract: A hydraulic circuit includes a control valve, a first hydraulic actuator, and a second hydraulic. The hydraulic circuit is configured such that in a first step, the first hydraulic actuator opens a product barrier in response to movement of the control valve into a first position, in a second step, the second hydraulic actuator moves a product engagement member in a first direction and the first hydraulic actuator closes the product barrier in response to movement of the control valve into a second position, in a third step, the first hydraulic actuator opens the product barrier in response to movement of the control valve into the first position, and in a fourth step, the second hydraulic actuator moves the product engagement member in a second direction and the first hydraulic actuator closes the product barrier in response to movement of the control valve into the second position.

Abstract: The present invention regards an elongated fluid actuator arrangement comprising a first and second cylinder housing (3, 5) extending in a longitudinal direction (X), respective housing (3, 5) encompasses a first respective a second piston body (7, 9). The respective piston body (7, 9) divides the respective cylinder housing (3, 5) in a first and second cylinder chamber (11, 13). The arrangement (1) is adapted for connection to a valve member means (15) of a fluid supply device (17). A piston rod member (19) extending through said respective first and second piston bodies (7, 9). The first piston device (7) comprises a piston rod engagement and disengagement means (29), which is adapted to engage or disengage the first piston device (7) to/from the piston rod member (19), wherein an engagement area (A2), defined by an engagement zone between the first piston body (7) and the piston rod member (19), is larger than a cross-sectional piston area (A1) of the first piston body (7).

Abstract: A poppet valve system that includes a valve body having a first and second end and defining a valve cavity and a poppet assembly extending from the first end to the second end and through the valve cavity. The poppet assembly can include a movable poppet head disposed at the first end of the poppet assembly and configured generate a seal by contacting a portion of the valve body and configured to define an opening between the valve cavity and a pressure cavity. The poppet assembly can also include a movable guiding element disposed at the second end of the valve body and a shaft extending from the first end to the second end and coupled to the poppet head and guiding element.

Abstract: A multistage piston actuator exerts a driving pressure against a spring pressure into pressure chambers of piston bodies, fitted into a cylinder body, to operate the push rod. Each piston body is combined with a partition fitted into the cylinder body. Each piston body includes a pressure receiving plate portion, and an axial rod and a slidable cylindrical guide portion extending concentrically in opposite directions, the axial rod having an axial air passage connected to the pressure chambers. Each partition includes a base plate portion having a through-hole which receives the axial rod of an adjacent piston body, a large-diameter outermost cylindrical portion fitted into the cylinder body, and a slidable cylindrical guide portion slidably fit-engaged with the slidable cylindrical guide portion of the piston body. The axial rods of each piston body are brought into contact to operate the push rod.

Abstract: A drive unit of a fluid-actuated linear drive includes a piston rod, an annular drive piston seated coaxially on the piston rod and a buffer sleeve which is likewise seated coaxially on the piston rod. These components are secured to one another by one and the same common welded joint. Furthermore, a method for the manufacture of such a drive unit and a fluid-actuated linear drive equipped with such a drive unit is proposed.

Abstract: A pressure compensating device includes a diaphragm and a holding element. The holding element has a bearing surface facing the diaphragm. A cohesive or materially-bonded connection is formed at the bearing surface between the diaphragm and the holding element. The diaphragm is fixed to the bearing surface of the holding element by the cohesive connection. A cover which is fixed to the holding element has at least one first receiving device or receptacle at least partly receiving the diaphragm. The cover presses the diaphragm at least partly onto the cohesive connection and presses the cohesive connection onto the bearing surface of the holding element. A housing component having a pressure compensating device and a control unit having a housing are also provided.

Abstract: A locking clamp for use in a cable system for stretching a sheet across a surface and maintaining it under tension, the locking clamp having a base member defining a first grasping surface; an elongate tongue member rotatively coupled to a first portion of the base member and defining a second grasping surface, and a locking member that is rotatively coupled to a second portion of the base member and that is configured to selectively rotate the tongue member to urge at least a portion of the second grasping surface of the tongue member into engageable contact with the first grasping surface of the base member. The base member of the locking clamp also has a hook configured to removably engage a cable of a tensioning system.

Abstract: An object holding device comprises at least two gripping lips, at least one supporting wall for each of at least two gripping lips, one base, wherein at least two gripping lips are respectively opposed to one another, wherein the at least two gripping lips form at least one slit between one another, wherein each the at least one supporting wall is attached with one of the at least two gripping lips and extends to the base, at least one crease is formed in the approximately middle of each supporting wall, wherein the crease forms an angle of about 30 degrees to about 90 degrees relatively to the base, wherein the at least two gripping lips, the at least one supporting wall for each of the at least two gripping lips, and the base together define a space to receive the at least one object.

Abstract: A building system including a plurality of building panel members having elongated slots upon a top surface and four side surfaces thereof, and a plurality connector members having a bowtie cross-sectional shape and adapted to slidably and snugly fit within the elongated slots to thereby releasably connect the plurality of building panel members together to form a variety of structures.

Abstract: A kit includes a furniture module bracket and a furniture leg. The furniture module bracket has a flange defining a furniture leg attachment opening. Protrusions are attached to the flange to define a keyway between adjoining protrusions. One of the protrusions defines a protrusion aperture. The furniture leg comprises a furniture leg bracket attached to a support member. The furniture leg bracket defines keys which can pass through the keyways. At least one of the keys defines a key aperture. The furniture leg can be attached to the furniture module by (i) inserting the furniture leg bracket into the furniture leg attachment opening, (ii) rotating the support member until the keys are no longer aligned with the keyways and (iii) securing the furniture module bracket to the furniture leg bracket with a fastener disposed within an aligned key aperture and a protrusion aperture.

Abstract: A self-piercing rivet is disclosed. A self-piercing rivet according to an exemplary embodiment of the present invention may include: a head portion; a shank portion integrally connected with the head portion; a plurality of ribs formed to an external circumferential surface of the shank portion along a length direction of the shank portion in a spiral form and integrally connected to the head portion; and a straight portion integrally formed in a connecting portion in which the head portion and 50 are connected.

Abstract: A remotely controllable fastening device for the detachable connection of components has a longitudinal axis and at least one fastening body for insertion into a fastening base, wherein the fastening body has an anchor which is insertable into the fastening base, wherein, for the form-closing and/or frictional anchoring of the fastening device in the fastening base, the anchor is moveable in at least a first direction, and wherein, for the disengaging of the fastening device, the anchor is respectively moveable in a second direction which is contrary to the first direction, and wherein the anchor is connected with a drive which is remote operatable and which is provided for operation with a fluid and which is internally arranged, the anchor being moveable by the drive in at least the second direction.

Abstract: The present disclosure is directed to a coupling element for the releasable connection of a first component to a second component. The coupling element has an annular basic element comprising a fastening structure at a radially outer side. Further, the basic element comprises a socket-like holding structure at a radially inner side. The socket-like holding structure comprises a centrally arranged supporting element as well as a plurality of holding webs. The holding webs comprise at least a first and a second web section. The first web section encloses with an axis of symmetry S of the coupling element an angle ? from a range of 45°???90° and the first web section and the second web section are arranged in an obtuse angle with respect to each other.

Abstract: A fastening device for fastening a first component to a second component in a tamper-proof manner, includes a screw having an actuation region that can be at least partially arranged in a receptacle of the first component; and a threaded region that is connected to the actuation region and can be connected to the second component in a retaining manner. In addition, the screw includes a security projection which adjoins the actuation region, and is arranged on the side of the actuation region facing away from the threaded region and has latching element that engages with a counter latching element of a covering device of the fastening device, wherein the covering device at least partially covers the receptacle.

Abstract: Devices, systems, and methods for securing a component to a surface are disclosed. The fastening device can include a base member having a threaded projection extending from a base plate. A base sealing gasket can be provided between the base plate and a surface on which the base plate is mounted to ensure a water-tight fit. A capping nut having a nut aperture can be threadably engaged to the treaded projection, and a structural fastener can be inserted through the nut aperture for securing a structural component of a building-mounted structure. A nut sealing gasket can be disposed between within the capping nut to ensure a water-tight fit between the capping nut and the base member.

Abstract: To provide a fastener having a high anti-loosening effect. A fastener has a thread structure including an upper portion of the crest and a bottom portion at the groove. The upper portion has a load flank surface inclined from the standard load flank surface toward the fastener seat while the bottom has an undercut on at least one of the groove side lower than the extension of the corresponding flank surface.

Abstract: A coupling element for a multi-joint crank drive of an internal combustion engine includes a coupling lever having a first eye for a piston connecting rod, and a second eye for an articulation connecting rod. A bearing cover forms with the coupling lever a third eye for a crank pin. The coupling lever and the bearing cover are connected to each other by bolts which defined parallel longitudinal central axes. The coupling lever and the bearing cover abut each other at an outer periphery of the third eye at adjacent contact surfaces on both sides of the third eye to define a separating plane which extends through a center of the third eye at an acute angle with respect to a further plane which passes through the center of the third eye and extends perpendicular to the longitudinal central axes of the bolts.

Abstract: In a preferred embodiment a friction bushing is configured to rotate a shaft with resistance having a housing with a bore to receive the shaft; a flange plate positioned on the housing around the bore; and a number of flanges that protrude axially from the flange plate to receive the shaft, where the flanges generate a radially-directed force by being flexible from a relaxed radius to a shaft radius of the shaft, and the flanges have internal circumferentially spaced surfaces in contact with an external surface of the shaft having a topology to control the resistance as the shaft rotates in the friction bushing.

Abstract: A rack bushing supported by an annular elastic member in a housing includes a bushing body and a flange portion extending outward in a radial direction from a first axial end of the rack bushing. The flange portion is positioned at a step portion of an inner periphery of the housing. The bushing body includes a second axial slit extending from a second axial end to a middle portion in an axial direction. A gap that communicates with the second axial slit is formed between the inner periphery of the housing and an outer surface of the bushing body. A recessed groove (communication passage) of the flange portion allows a first space, disposed on a housing-end side with respect to the rack bushing in the housing, to communicate with the gap.

Abstract: A linear guide 10 includes: a track rail 20 having a ball rolling groove 22; a movable block 30 having a loaded ball rolling groove 33 opposing the ball rolling groove 22, an unloaded ball rolling groove 34 extending in parallel with the direction in which the ball rolling groove 22 extends, and a direction change guide groove 35 connecting the loaded ball rolling groove 33 and the unloaded ball rolling groove 34; and a plurality of balls 40 arrayed on an endless circulating path including a loaded ball rolling path 50, an unloaded ball rolling path 60, and a direction change path 70 formed by the track rail 20 and the movable block 30. The direction change path 70 has a plurality of change points where the track changes. By having this configuration, it is possible to provide a linear guide which does not require an end plate.

Abstract: A turbomachine has a housing, a rotor shaft centered on an axis, and a plurality of bearings supporting the shaft in the housing for rotation about the axis. At least one of the bearings is an active magnetic bearing. An impeller is fixed on the rotor shaft. A copper layer is fixed to a surface of the rotor shaft and rotatable therewith. A sensor fixed in the housing adjacent the shaft surface can detect the copper layer and generate an output corresponding to a position of the layer from the sensor fixed in the housing. A controller connected between the sensor means and the active magnetic bearing shifts the rotor in the housing in accordance with the output.

Abstract: The spacer for rolling bearing comprises an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways provided on the rings. The spacer comprises two opposite faces 17 having a concave profile adapted to the rollers, at least one of said faces comprising two contact surfaces 17a, 17b with the associated roller and a concave recess 17c extending between said contact surfaces and directed outwards towards said roller.

Abstract: Provided is a resin cage for a tapered roller bearing in which a mold parting line which is extended in an axial direction is formed in a pillar portion defining a pocket. On facing surfaces of adjacent pillar portions, on an outer diameter side from the mold parting line, a first conical surface which slides in contact with an outer peripheral surface of a tapered roller is formed, and a first flat surface in a radial direction is formed in a portion on the outer diameter side from the first conical surface. On an inner diameter side from the mold parting line, a second conical surface which slides in contact with the outer peripheral surface of the tapered roller is formed, and a second flat surface in a radial direction is formed in a portion on the inner diameter side from the second conical surface.

Abstract: Self-adjusting bushing bearing with a shaft seal for engaging a shaft. The self-adjusting bushing bearing has a plurality of bearing segments configured to receive a shaft therein. A springy element engages an outer surface of the plurality of bearing segments and biases the plurality of bearing segments towards the shaft. A shaft seal coupled to the springy element is configured to contact the shaft when the shaft is received in the plurality of bearing segments so as to create an operable seal between the shaft and the housing.

Abstract: A rolling bearing includes an inner ring, an outer ring, a plurality of balls, and a cage that holds the balls. The inner ring is a rotating ring, and the outer ring is a fixed ring. An annular groove for creep suppression is formed in a fitting surface of the rolling bearing that is fitted on a mating member to which the outer ring is attached. The annular groove has a groove main body portion and inclined groove portions located on opposite sides of the groove main body portion in an axial direction and formed to be shallower than the groove main body portion such that the depth of each of the inclined groove portions increases toward the groove main body portion. The inclined groove portions come into contact with the mating member when the outer ring is elastically deformed by a radial load received from the balls.

Abstract: A bearing arrangement includes a bearing having an inner race and an outer race and a plurality of rolling elements arranged between the inner and outer race such that the first race is rotatable relative the second race; bearing lubricant arranged within the bearing to lubricate the rolling elements. The bearing arrangement provides a first electrically conductive portion and a second electrically conductive portion, the first and second electrically conductive portion being electrically insulated and arranged such that at least a portion of the bearing lubricant is located between the first and second electrically conductive portion; and a capacitance meter having a first electrode connected to the first electrically conductive portion and a second electrode connected to the second electrically conductive portion, configured to measure a capacitance between the first ring and the second ring to determine a water content in the lubricant based on the measured capacitance.

Abstract: A Cardan drive for connecting a power take-off (PTO) of an agricultural vehicle to an input shaft of an agricultural implement, wherein the Cardan drive has a primary shaft and a secondary shaft that are mutually connected via a double universal joint to obtain a homokinetic connection between the primary and the secondary shaft, wherein the double universal joint has an intermediate element formed substantially by two yokes of the double universal joint, wherein at least one of the two yokes is connected via bearings to a frame provided for attachment to the agricultural implement.

Abstract: The invention relates to a clutch disk (1) for a friction clutch, comprising a disk-shaped main part (2) with a support element (5), which support element (5) has an outer circumference (6) over which multiple receiving areas (7) for wing-like friction components (8) are distributed, the friction components (8) being connected to the support element (5), and each friction component (8) has a first friction lining (12) and a second friction lining (13), and the first friction linings (12) are arranged on first friction lining supports (14), the first friction lining supports (14) are connected to a spring element (16) and the spring elements (16) are connected to the support element (5), and the second friction linings (13) are arranged on second friction lining supports (15), and furthermore the spring elements (16) are arranged between the first and the second friction lining supports (14, 15) and the second friction lining supports (15) are directly connected to the support element (5).

Abstract: An improved clutch pack is disclosed. The clutch pack incorporates liners, improved driving friction disks and driven disks where the thickness of the improved driving friction disks and driven disks are selected in order to allow more driving friction disks and more driven disks to be used within the improved clutch pack while maintaining approximately the same overall height as compared to the standard clutch pack the vehicles clutch system was designed for.

Abstract: A pump apparatus with a switching valve includes an actuator that is rotationally driven, a pump, a switching valve and a driving power interrupting device. The pump discharges a fluid sucked by rotational driving of the actuator. The switching valve is changed in phase by the rotational driving of the actuator so as to be switchable among a plurality of destinations of the fluid discharged from a pump chamber of the pump. The driving power interrupting device for a valve is switchable between a state where rotational driving power of the actuator is transmitted to the switching valve and a state where the rotational driving power of the actuator is interrupted.

Abstract: A rotation transmission device includes a one-way clutch which is provided between an output shaft of a speed increaser and an input shaft of a generator, which makes a connection between the output shaft and the input shaft to be rotatable integrally in a state in which a rotation speed of the output shaft is higher than that of the input shaft, and which cuts off the connection between the output shaft and the input shaft in a state in which the rotation speed of the output shaft is lower than that of the input shaft. The rotation transmission device further includes: a measurement section which measures a state of the one-way clutch which changes depending on a load exerted to the one-way clutch; and an acquisition section which acquires the load exerted to the one-way clutch on a basis of a measurement result of the measurement section.

Abstract: A selector bracket assembly for a one way clutch assembly comprising an annular body portion having: first and second radial surfaces; an inner circumferential surface, connecting the first and second radial surfaces; at least one cutout portion; at least one axially extending post adjacent to the at least one cutout portion; and, an outer circumferential surface including a plurality of radially outward extending tabs; and, at least one actuator pin disposed radially outward of the inner circumferential surface and arranged for engagement with the selector bracket assembly to lock a one way clutch. A switchable one way clutch assembly having said selector bracket, or at least two selector brackets for making selectable the following states: free wheel or locked in both the first and second opposing circumferential directions; locked in first and free wheel in second circumferential direction; and, free wheel in first and locked in second circumferential direction.

Abstract: A park brake system for an electric motor actuator is provided. The system may comprise a wrap spring that may rotatably engage the shaft. In this regard, the system may be configured to exert a radial force on a shaft of the electric motor actuator to lock the actuator. Moreover, in various embodiments, the system may be bi-stable.

Abstract: A rotational speed control device maintains a shaft rotation speed. The device includes a housing containing a viscous fluid and a shaft disposed in the housing and rotatable relative to the housing. A rotor is coupled with the shaft for rotation in the viscous fluid. The rotor is axially displaceable along the shaft between a low-shear position and a high-shear position. A spring mechanism is disposed in the housing and biases the rotor toward the low-shear position. The rotor may be designed to cooperate with the housing or other nonrotating features within the housing to vary a shear gap according to the axial position of the rotor. The rotor, housing and spring mechanism can be designed to cooperate to create large changes in braking torque in response to small changes in shaft rotational speed. This allows the rotation speed to be controlled within a relatively narrow range.

Abstract: The present disclosure provides systems for mitigating brake vibration. In various embodiments, a brake force distribution arrangement may comprise: a member in operable communication with an actuator having at least two contact surfaces such that as one of the at least two contact surfaces moves in a direction of actuation of the actuator the other moves in a direction opposite to the direction of actuation of the actuator.

Abstract: An electromechanical brake system may include an electromechanical actuator with a servo motor. A current control is electronically coupled to the servo motor. A resolver is configured to detect an angular velocity and an angular position of the servo motor. A converter may be configured to convert the angular velocity into a linear velocity and the angular position into a linear position. An intelligent observer may also be configured to estimate a load force of the electromechanical actuator based on the linear position and the linear velocity.

Abstract: An exemplary cone brake device includes a brake drum and a thermal sprayed coating deposited and bonded to the outer surface. The thermal sprayed coating is configured to engage a friction lining when one of the brake drum and the friction element is moved toward the other of the brake drum and the friction element, so as to decrease the speed of an aerospace propeller.

Abstract: A back plate for a brake pad of a disc brake assembly is provided. The back plate comprises a plate body provided with a pair of opposite surfaces and lateral flanks. An engaging portion is defined on a first one of the surfaces, delimited by a corresponding perimeter, and adapted to receive a friction material. The engaging portion is provided with at least a first series of rectilinear parallel rows of retaining elements for the friction material. Each row comprises a plurality of grooves associated to corresponding protrusions. The protrusions are provided with a proximal end integrally connected to the material of the plate body and a free distal end. For each row of the at least first series of rows, a distance measured along the axis of each row between the mutually adjacent retaining elements closest to the perimeter of the engaging portion and the perimeter is constant.

Abstract: An elastic section 13 is configured by a first elastic section 13a that has one end connected to an outer circumferential surface of an inner circumferential section 12, and the other end connected to an inner circumferential surface of an outer circumferential section 11, and a second elastic section 13b that is symmetrical to the first elastic section 13a about a line that passes through a center point P1 of the inner circumferential section 12 and a connection point P2 of the inner circumferential section 12 and the first elastic section 13a. When the outer circumferential section 11 and the inner circumferential section 12 relatively rotate, the first elastic section 13a and the second elastic section 13b are elastically deformed in such a manner that one is compressed and the other is stretched.

Abstract: A flexible joint for attachment to a suspension link. The flexible joint includes a housing. The housing includes an external surface and an internal surface. The flexible joint also includes a flexible joint insert. The flexible joint insert includes an inner sleeve. The inner sleeve includes a channel, where the channel is configured to receive at least a portion of an external device, and an external surface. The flexible joint insert also includes an inner elastomer. The inner elastomer is fused to at least a portion of the external surface of the inner sleeve. The flexible joint insert further includes an outer elastomer. The outer elastomer is harder than the inner elastomer. An interface between the inner elastomer and the outer elastomer is fused and a portion of the outer elastomer is in contact with the internal surface of the housing. The outer elastomer is not permanently attached to the housing.

Abstract: A deformable structure, such as a panel or a shock absorber, for absorbing energy from a mechanical and/or acoustic impact. The structure comprises an inner core and one or more external layers covering the inner core. The inner core comprises a set of first segments having a positive Poison's ratio and second segments having a negative Poisson's ratio. The first and second segments are arranged alternately and joined to one another so that the deformation received by one first segment is transmitted to an adjacent second segment and vice versa.

Abstract: A damping bearing (34, 36) provides relative rotations between first and second subassemblies about a point (40). The first subassembly includes a fluid containment vessel (26, 26C, 26D) containing a fluid (32). The second subassembly includes a plunger (42) with a fluid deformation element (46, 46B) immersed in the fluid. The relative rotations are damped by viscosity of the fluid resisting motions of the fluid deformation element. Damping is especially effective in multiple planes containing a given line (23 or 43) through the point (40). The plunger may have rotational symmetry, and may be cylindrical about the given line. Lateral fluid bounding surfaces (50, 52, 52D) of the containment vessel may be spherical about the point, or may be shaped to provide clearance to the deformation element that varies with angular displacement between the first and second subassemblies to provide a predetermined damping profile.

Abstract: A damper includes a cylinder, an annular rod guide, an annular seat, a rod, an annular oil seal, a rebound cushion, and a communication passage. The cylinder houses an action chamber. The rod guide is secured to one side opening of the cylinder. The seat is secured to the rod guide. The rod is inserted through inner peripheral sides of the rod guide and the seat. The oil seal is held to an inner periphery of the rod guide and slidably in contact with an outer peripheral surface of the rod. The rebound cushion bumps against the seat. The communication passage transmits a pressure in the action chamber to the oil seal. An opening on the communication passage on the action chamber side is disposed on an outer peripheral side relative to a part of the seat against which the rebound cushion bumps.

Abstract: A cylinder device includes a piston rod that is inserted into a cylinder so as to be movable back and forth. The piston rod has a rod portion that extends outside the cylinder, and a piston connected to an end portion of the rod portion, the piston moving in the cylinder in a slidable manner. The rod portion has a rod inner space formed in the rod portion, the rod inner space communicating with the piston-side chamber of the cylinder, a first communicating passage that connects the rod inner space and the rod-side chamber of the cylinder, and an orifice plug provided in the first communicating passage in a changeable manner. The piston is connected to the rod portion so as to cover a part of the orifice plug.

Abstract: A pair of fluid chambers in which incompressible fluid is sealed and a pair of orifice-forming members that allows one fluid chamber to communicate with the other fluid chamber are arranged between an inner cylinder and an outer cylinder. The orifice-forming member has a longitudinal groove that communicates with respective fluid chambers, an orifice channel, and a liquid storage section that allows the longitudinal groove to communicate with the orifice channel. The liquid storage section is formed wider and deeper than the orifice channel.