Abstract: Embodiments of isolators, such as three parameter isolators, including a main spring linear guide system are provided. In one embodiment, the isolator includes first and second opposing end portions, a main spring mechanically coupled between the first and second end portions, and a linear guide system extending from the first end portion, across the main spring, and toward the second end portion. The linear guide system expands and contracts in conjunction with deflection of the main spring along the working axis, while restricting displacement and rotation of the main spring along first and second axes orthogonal to the working axis.

Abstract: A vibration isolator includes: a pair of opposing members fixed to a vehicle body of the vehicle to be located on both sides of a protrusion protruding from an outer circumferential edge of the power train in a direction perpendicular to the principal axes of inertia to oppose to each other in the direction about the principal axes of inertia; a precompressed part provided on part of each of the opposing members facing the protrusion to be precompressed by the opposing member and the protrusion in the direction about the principal axes of inertia; and a contacting part provided on part of each of the opposing members facing the protrusion to be spaced from the protrusion, and contacts the protrusion when the power train vibrates in the direction about the principal axes of inertia.

Abstract: A balancer device for an internal combustion engine includes upper and lower housings made of aluminum alloy. The upper housing includes a leg part fixed to the engine. The lower housing is coupled to the upper housing by tightening bolts. A pair of balancer shafts are rotatably supported by the upper and lower housings. A positioning pin is disposed at a distal end portion of the leg part for positioning the upper housing with respect to the engine by positional correspondence to a positioning hole of the engine when the tightening bolts are tightened. The leg part is inclined outwardly with respect to a body of the upper housing such that a distal end of the positioning pin is located outside of a proximal end of the leg part with respect to the body of the upper housing when the tightening bolts are loosened.

Abstract: A dispenser for balancing weights for vehicles comprises a plurality of dispenser modules. The dispenser modules have a cartridge with at least two compartments for storing balancing weights. Each compartment has at least one retrieval opening. A cartridge actuator moves the cartridge linearly along a first axis, such that a retrieval feed opening is positioned above a slider feed opening in the dispenser module. A slider, which is operated by a slider actuator along a second axis, parallel to the first axis, has a balancing weight compartment, which can be moved under the slider feed opening, such that a balancing weight may drop from the cartridge into the compartment. The compartment is then moved to a picking tray in which the balancing weight is delivered to a handling device for placing the balancing weight to a wheel.

Abstract: An object of the present invention is to provide a silent chain and a silent chain transmission device which stabilize chain behavior during chain travel to suppress an occurrence of tooth skipping and to reduce a string vibration sound and a meshing noise with simple configurations. In a silent chain 110, a pin hole 161 of an inner plate 160 and a pair of locker pins 170 are configured in such a size that a gap is formed between a seat surface 163 and a back surface of a short pin 172 in a state where the pair of locker pins 170 are in contact with each other on rolling surfaces 171a and 172a.

Abstract: A worm gear includes a worm formed with a through hole through which a shaft transmitting the rotation of a motor is inserted, and a worm wheel configured to mesh with the worm and transmit the rotation to an output shaft. Given that a normal pitch is denoted by E and a width of a recess in the direction of a worm axis by H, the worm is configured such that H/E?0.6 (1) is met.

Abstract: The invention relates to an adjustment mechanism that includes a set ring gears which are arranged coaxially towards a central axis and which each include a cylindrical toothing system, two eccentric wheels with beveloid gears which mesh with the cylindrical toothing systems of the ring gears, eccentric axes which are inclined at an angle towards the central axis, and a central shaft that is driven by a drive shaft onto which the eccentric wheels are mounted. The set of ring gears include a center ring gear that is circulating and two outer neighboring ring gears which are solidly fixed.

Abstract: A drive assembly, receiving rotational power from an input shaft rotatable about a rotation axis, includes a drive housing and first and second stage planetary gear sets. The first stage planetary gear set includes a first stage sun gear that may be coupled to the input shaft to turn a plurality of first stage planet gears rotatably mounted to a first stage planet carrier that turns with respect to a first stage ring gear, which is fixed with respect to the drive housing. The second stage planetary gear set includes a second stage sun gear turned by the first stage planet carrier to turn a plurality of second stage planet gears rotatably mounted to a second stage planet carrier, which is fixed with respect to the drive housing and about which turns a second stage ring gear. An output hub is rotated about the rotation axis with respect to the drive housing by rotation of the second stage ring gear on the second stage planet carrier.

Abstract: A dual-clutch seven speed transmission arrangement and method for use with a transverse engine arrangement in a hybrid vehicle are provided. The dual-clutch seven speed transmission arrangement includes a dual-clutch gearbox comprising an input shaft for odd drive gears and an input shaft for even drive gears, respectively arranged in connection to a first clutch and a second clutch. The input shaft for even drive gears is a hollow shaft enclosing the input shaft for odd drive gears and the input shaft for odd drive gears is arranged to host four odd drive gears. The input shaft for even drive gears is arranged to host three even drive gears and a reverse drive gear. An electric motor is connected to the input shaft for even drive gears.

Abstract: Disclosed is a dual-clutch transmission, using two input shafts (1, 2) and two driving shafts (3, 18), realizing seven forward gears (D1, D2, D3, D4, D5, D6, D7) and a reverse gear (R), eliminating a special reverse gear shaft for the reverse gear (R), and using eight synchronizers (S1, S2, S3, S4) to control the switching of all of the eight gears, namely the seven forward gears (D1, D2, D3, D4, D5, D6, D7) and the reverse gear (R), wherein part of the gears share a driving gear, so that the quantity of total parts and the axial length of the transmission are reduced; since the diameters of driven gears (14, 15, 16) of low-speed gears are relatively large, engagement sleeves of the corresponding synchronizers (S2, S3) can be arranged on the inner sides of the driven gears (14, 15, 16) according to structural arrangement requirements, so that an axial space is greatly saved; and the reverse gear shaft and a gear thereon are eliminated, the saved space facilitates the arrangement of a gear shaft fork mechanism

Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a four coupling members and a six torque-transmitting mechanisms. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.

Abstract: A multi-speed transmission in planetary design for a vehicle with a housing includes a first shaft provided as a drive and a second shaft provided as an output that is arranged axially parallel to the drive. Three planetary gear sets and additional shafts along with six shifting elements are provided, through which the actuation of several gears are realized. Machine elements are provided for the transfer of torque between the drive and the output. The first shaft is connectable, as a drive, to the sun gear of the third planetary gear set, to the planetary gear carrier of the second planetary gear set, to the planetary gear carrier of the third planetary gear set, and is connectable or connected to the sun gear of the first planetary gear set. The second shaft is connected or connectable, as a drive, to the first machine element and to the second machine element.

Abstract: A planetary gear train of an automatic transmission of a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting changed torque, a first planetary gear set including a first sun gear, a first planet carrier, and a first ring gear, a second planetary gear set including a second sun gear, a second planet carrier, and a second ring gear, a third planetary gear set including a third sun gear, a third planet carrier, and a third ring gear, a fourth planetary gear set including a fourth sun gear, a fourth planet carrier, and a fourth ring gear, a first rotation shaft, a second rotation shaft, a third rotation shaft, a fourth rotation shaft, a fifth rotation shaft, a sixth rotation shaft, a seventh rotation shaft, and an eighth rotation shaft.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include an input shaft receiving torque of an engine, an output shaft outputting changed torque, a first planetary gear set, a second planetary gear set, a third planetary gear set, a fourth planetary gear set, a first rotation shaft selectively connected to a transmission housing, a second rotation shaft, a third rotation shaft selectively connected to the transmission housing, a fourth rotation shaft, a fifth rotation shaft directly connected to the input shaft, a sixth rotation shaft selectively connected to the fourth rotation shaft or the fifth rotation shaft, a seventh rotation shaft selectively connected to the fourth rotation shaft, and an eighth rotation shaft directly connected to the output shaft, and selectively connected to the seventh rotation shaft.

Abstract: A multi-stage transmission for a vehicle may include an input shaft, an output shaft, a first to fourth planetary gear devices disposed between the input shaft and the output shaft to transmit rotary force, each of the first to fourth planetary gear devices having three rotary elements, and at least six shifting elements connected to the rotary elements of the planetary gear devices, wherein a first rotary element of the first planetary gear device is continuously connected to the input shaft, a second rotary element of the first planetary gear device is installed to be fixable by one shifting element of the at least six shifting elements, and a third rotary element of the first planetary gear device is continuously connected to a second rotary element of the second planetary gear device.

Abstract: A planetary gear train of an automatic transmission for a vehicle may include: an input shaft receiving torque of an engine; an output shaft outputting changed torque; a first planetary gear set including a first rotation element, a second rotation element, and a third rotation element; a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element; a third planetary gear set including a seventh rotation element, an eighth rotation element, and a ninth rotation element; and a fourth planetary gear set including a tenth rotation element, an eleventh rotation element, and a twelfth rotation element.

Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. The planetary gear train may include: an input shaft receiving torque of an engine; an output shaft outputting changed torque; a first planetary gear set including first, second, and third rotation elements; a second planetary gear set including fourth, fifth, and sixth rotation elements; a third planetary gear set including seventh, eighth, and ninth rotation elements; a fourth planetary gear set including tenth, eleventh, and twelfth rotation elements.

Abstract: A planetary gear train of an automatic transmission may include: an input shaft; an output shaft parallel with the input shaft; a first planetary gear set on the input shaft including a first, second and third rotation elements, the first selectively connected to the input shaft, and the third selectively connected to the input shaft; a second planetary gear set on the output shaft including a fourth, fifth and sixth rotation elements, the first selectively connected to the input shaft through two gear ratio paths and selectively connected to a transmission housing, the fifth selectively connected to the input shaft and the transmission housing, and the sixth connected to the second rotation element and directly connected to the output shaft; four transfer gears; and frictional elements including clutches and brakes.

Abstract: A multi-speed transmission has four planetary gear sets, eight rotatable shafts and six shifting elements. The sun gear of the first planetary gear set is connected to the third shaft. The input shaft is detachably connectable to the fourth shaft. The input shaft is connected to the sun gear of the fourth planetary gear set. The eighth shaft is connected to the ring gear of the first planetary gear set, the sun gear of the second planetary gear set, and the sun gear of the third planetary gear set. The fifth shaft is connected to the bar of the second planetary gear set and the ring gear of the third planetary gear set and is detachably connectable to the seventh shaft. The sixth shaft is connected to the ring gear of the second planetary gear set and is detachably connectable to the output shaft of the transmission.

Abstract: A tensioner comprising a piston slidably received within a piston bore of the housing having a plurality of grooves formed on an outer circumference, the piston forming a first pressure chamber with the piston bore. The tensioner uses a mechanism to remove a sliding pawl or expandable clip from engaging the grooves on the piston, such that the piston can move towards the housing and reduce chain load when fluid pressure is reduced in the first pressure chamber during engine shutdown, but not so much as to leave the chain uncontrolled during engine restart. The mechanism may for example be a fluid biased spool piston which engages the expandable clip or a pawl piston that engages a sliding pawl.

Abstract: Provided is a tensioner in which the durability of the tensioner body is increased, the tensioner body is reduced in weight, and the arrangement space is reduced. A tensioner 100 includes a tensioner body 110, a plunger 120, and a ratchet 130. The tensioner body 110 has a hole outer circumferential wall 112 and a pair of pin support walls 116, 117. The hole outer circumferential wall 112 has a pair of outer circumferential wall portions 113, 114 crossing a virtual line L extending in the pin longitudinal direction through the center of the plunger housing hole 111. At least one of the outer side surfaces of the pair of pin support walls 116, 117 is formed on the inner side, in the pin longitudinal direction, of the outer side surface of one of the outer circumferential wall portions 113, 114.

Abstract: A tensioner comprising a base, a shaft connected to the base, an eccentric adjuster coaxially engaged with the shaft, an arm pivotally engaged with the shaft, a pulley journalled to the arm, a torsion spring engaged between the arm and the base, the arm comprising a first receiving portion and a second receiving portion disposed axially opposite from the first receiving portion, a first damping member disposed between the arm and the base, the first damping member frictionally engaged with the base and engaged with first receiving portion, a second damping member disposed between the arm and the eccentric adjuster having a member engaged with the second receiving portion, and a biasing member disposed between the first damping member and the arm for applying a normal force to the first damping member and to the second damping member.

Abstract: A tensioner comprising a shaft, a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a first spring urging a first damping member into a frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting a damping force greater in a first pivot arm direction than in a second pivot arm direction, and a second spring disposed in the pivot arm and urging a second damping member into a frictional engagement with a base surface, the base surface comprises an arcuate form having a radius that is variable from a minimum value to a maximum value.

Abstract: Mechanisms and methods for clamping force generation are disclosed. In one embodiment, a clamping force generator system includes a permanent magnet bearing coupled to a traction ring and to a torque coupling. The traction ring can be provided with an electromagnetic bearing rotor and the torque coupling can be provided with an electromagnetic bearing stator. In some embodiments, a mechanical load cam, a permanent magnet bearing, and an electromagnetic bearing cooperate to generate a clamping force between the traction rings, the power rollers, and the idler. In other embodiments, a series of permanent magnet bearings and a mechanical bearing configured to produce a clamping force. In one embodiment an electromagnetic bearing is coupled to a control system and produces a specified clamping force that is associated with a torque transmitted in the transmission during operation.

Abstract: An actuator capable of reducing vibrations of its output shaft is offered. The actuator (100) includes an electric motor (10), a ball spline (20) of finite stroke length, and a nut (32). The ball spline (20) has a shaft (22) provided with rolling grooves (23) which are formed along the axis of the spline and along which balls (24) can roll. An external thread (34) is formed on the shaft (22). The nut (32) has an internal thread (33) with which the external thread (34) threadedly mates, and operates to transmit the rotary force of the motor (10) into the shaft (22).

Abstract: An actuator is driven even if a jammed state, a motor stop, or the like occurs. An electromechanical actuator includes: an electric motor attached to a housing; a conversion mechanism portion having a drive portion that is driven to rotate by the electric motor and a driven portion that is driven by the drive portion and advances and withdraws in a predetermined advancing and withdrawing direction, the conversion mechanism portion being accommodated in the housing; a sliding support mechanism that transmits rotational force of the electric motor to the drive portion and allows the drive portion to slide in the advancing and withdrawing direction with respect to the electric motor; and a piston portion controlled so as to be at a predetermined position in the advancing and withdrawing direction with respect to the housing by means of pressure of a fluid supplied to and discharged from the housing.

Abstract: A screw actuated press unit for mounting parts with press fit includes a casing, an actuating screw rotationally journalled in the casing and coupled to a rotation motor, a nut assembly cooperating with the actuating screw, a thrust rod rigidly connected to the nut assembly and extending out of the casing for connection to a work piece, and a locking device effective to rotationally lock the nut assembly to the casing at rotation of the actuation screw, wherein the lock device includes at least three roller studs mounted on and radially extending from the nut assembly and arranged to guidingly cooperate with two parallel guide rails at the edges of an axially extending slot in the casing. The roller studs are spring biased in opposite directions in contact with the guide rails so as to eliminate rotational play between the nut assembly and the casing.

Abstract: An anti-lash nut assembly for installation on a threaded rod and including a lead nut, a collar, and a spring positioned between the lead nut and the collar. The lead nut has a set of tabs extending radially outward from a rear end of the body. The collar has a set of clearance slots on an inside surface. The set of clearance slots are configured for sliding of the set of tabs through the clearance slots in the rear direction. The collar has a set of ramps on an inside surface. Each of the set of ramps is configured for engagement with each of the set of tabs to prohibit axial movement of the collar in the rear direction.

Abstract: A torque converter includes a torque converter body, a lock-up device, and a dynamic damper. The lock-up device includes an output plate coupled to a turbine. The dynamic damper is fixed to the output plate of the lock-up device, and is configured to attenuate variation in speed of rotation from the engine. The dynamic damper includes a base plate, an inertia unit, and an elastic unit. The base plate is fixed to the output plate. The inertia unit is movable relative to the base plate in a rotational direction. The elastic unit exerts nonlinear torsional characteristics, and elastically couples the base plate and the inertia unit in the rotational direction.

Abstract: An assembly adapted to replace an automobile differential's spider gears, locking the axles together. The present invention comprises a pair of outer drive flange members that are adapted to engage with a pair of wedge locking members within the carrier of an automobile differential, replacing the differential's stock planetary or spider gears. The present assembly locks the rotation of the rear axles together, applying power equally to both wheels and enhancing the performance of the automobile during competitive drag racing events, without requiring expensive custom installation from a specialist.

Abstract: A toothed wheel (16) is provided with teeth, in which a cross section of a respective first section (24) of the tooth (23) has an outer contour that projects in at least one partial area of the outer contour relative to an outer contour of the adjoining second section (26) of the tooth (23), and is elastically designed and/or mounted, as well as a pump unit, in particular as a metering pump unit, with a drive having a toothed gearing with the toothed wheel.

Abstract: A quiet-running, multi-layer gear assembly includes a compliant center member sandwiched between a pair of stiff outer members. The compliant center member has an outer peripheral surface with gear teeth. Each of the outer members has an outer peripheral surface with gear teeth disposed in a respective directed axial thrust pattern. The center and outer members are joined on a central hub with their outer peripheral surfaces aligned so as to form a gear assembly with low or no net axial thrust. In some aspects, the compliant center member and the hub include cooperating anti-turn constructions.

Abstract: A turbo transmission mechanism for brush cutter is disclosed to include a casing defining therein a lubricant storage chamber, a transmission shaft rotatably mounted in the casing and partially inserted into the lubricant storage chamber, a transmission gear set mounted in the lubricant storage chamber of the casing and including a first bevel gear and a second bevel gear coaxially mounted at the transmission shaft and meshed with the first bevel gear for enabling the transmission shaft to be rotated by the second bevel gear during rotation of the first bevel gear by a power source, and a turbo mounted in the lubricant storage chamber and rotatable with the transmission shaft to stir up the lubricant in the lubricant storage chamber, enhancing heat dissipation.

Abstract: A shift/tilt locking apparatus for shift lever of automatic transmission may include a shift knob, a main shaft slidably and rotatably disposed in a housing such that shift knob is slidable; a crossbar having shift knob at the upper end to tilt; a shift restriction device that allows shift knob to slide by selectively restricting sliding of main shaft; and a tilting restriction device controlling shift knob to tilt by selectively restricting the tilting of shift knob by using a third solenoid, which is controlled by a shift mode determining step that determines a shift mode by checking the position of shift knob and a lever locking step that restricts/releases shift knob by selectively operating first solenoid to third solenoid.

Abstract: An apparatus for a learn control of an automatic transmission includes a storage unit configured to store an initial fill time value and a gain value corresponding to a revolution per minute (RPM) peak to peak of a turbine. An oil pressure applier is configured to apply an oil pressure to a non-operating friction element. An RPM measurer is configured to measure the RPM of the turbine, and a learn controller is configured to control the oil pressure applier to apply the oil pressure to the non-operating friction element during a preset reference time and control the initial fill time based on the RPM peak to peak of the turbine showing a difference between a measured value RPM of the turbine measured by the RPM measurer and a preset targeted value while a vehicle is in a coasting operation in an in gear state.

Abstract: In an apparatus for detecting abnormal hydraulic pressure of an automatic transmission having first and second input shafts that input rotation of an engine through first and second clutches and an idler shaft that inputs the rotation through a third clutch, and equipped with a hydraulic pressure supply circuit having a first pressure-regulating valve that generates line pressure, a line pressure-regulating valve that controls operation of the first pressure-regulating valve based on a line pressure command value, and first, second and third hydraulic pressure detectors that detect the hydraulic pressures of first, second and third oil passages respectively, it is determined whether abnormality that makes the high pressure abnormally high has occurred in the line pressure-regulating valve based on the hydraulic pressures detected by at least one of the first, second and third hydraulic pressure detectors and a line pressure command value, when predetermined operating conditions of the vehicle are satisfied.

Abstract: A SBW-ECU switches over a shift range to a selected range by rotationally driving a motor to a target position corresponding to the selected range. When a direction of rotation of the motor is the same as a direction toward the target position and a difference between the target position and a present position is larger than a threshold value in a case that the selected range is changed during rotational driving of the motor, the target position is updated to a post-change target position. When the direction of rotation of the motor is opposite to the direction toward the target position or the difference between the target position and the present position is smaller than the threshold value in the case that the selected range is changed during rotational driving of the motor, the target position is updated to the post-change target position after completing the switchover to the pre-change selected range.

Abstract: A hydraulic control system for a vehicle having a continuously variable transmission in which a torque transmitting capacity thereof is changed hydraulically, and an engagement device which is connected to the continuously variable transmission in series and in which a torque transmitting capacity thereof is changed hydraulically. The hydraulic control system comprises a selecting means that selects a command pattern for setting an engagement pressure of the engagement device out of a plurality of patterns when an initial pressure is lower than a steady pressure for a normal running of the vehicle. The selecting means is configured to select the command pattern in such a manner that the torque transmitting capacity of the engagement device does not exceeds the torque transmitting capacity of the continuously variable transmission, based on at least any of conditions of the initial pressure that is lowered to be lower than the steady pressure, and a rotational speed of the continuously variable transmission.

Abstract: A combined oil control ring comprising a pair of circular side rails each having a gap, and a waved spacer expander longitudinally sandwiched by the side rails, which has seating tabs for pushing inner surfaces of the side rails on the inner side, (a) the radial thickness a1 of the side rail being 50-90% of the height a9 of the spacer expander, or (b) the height a10 of the seating tab being 23-60% of the height a9 of the spacer expander.

Abstract: A piston assembly for a nailer is provided, and includes a piston body with an upper surface, a lower surface and a peripheral edge. A peripheral gland is located between the upper and lower surfaces, the gland having an inner closed end and defining an annular space. An annular piston seal is disposed in the gland, and a plurality of spaced air ports are disposed adjacent the peripheral edge, the ports each being in fluid communication with the gland. The gland and the seal are dimensioned so that during a power cycle of the nailer, pressurized air generated during a fastener driving stroke enters the ports and radially expands the seal for enhancing friction between the seal and a surrounding cylinder. During a return stroke, the seal is radially retracted within the gland to reduce friction between the seal and the cylinder.

Abstract: An oil seal has a lip seal member, a slinger and a dust cover. The slinger has a thread groove carrying out a pumping action toward a diametrically outer side. The dust cover achieves a dust shake-off action by a centrifugal force at the shaft rotating time, and a labyrinth seal action by forming a micro gap in relation to the lip seal member. The lip seal member has a main lip and a dust lip. The elastic dust lip has a first bellows portion receiving an atmospheric pressure by an inner surface and receiving an internal pressure between the lips by an outer surface, a second bellows portion receiving the atmospheric pressure by an outer surface and receiving the internal pressure between the lips by an inner surface, and a lip end. A pressure receiving area of the first bellows portion is greater than the second bellows portion.

Abstract: An air seal assembly for an aircraft control surface comprises a bulb-type air seal, a mounting bracket and a fastener. The bulb-type air seal has a hollow bulb portion, a T-shaped mounting extension, and a first through hole extending through the T-shaped mounting extension. The mounting bracket has a T-shaped channel configured to slidingly receive the T-shaped mounting extension of the air seal and a second through hole. The fastener has a head at one end and an opposite exposed end sized for extending through the first through hole in the T-shaped mounting extension and through the second through hole in the mounting bracket. The exposed end is accessible to tighten the fastener against the bracket to keep the air seal in place within the T-shaped channel.

Abstract: A sealing element, e.g., a sealing ring, is adapted to seal between two component sections and to be compressed by the two component sections in a groove that is provided in one of the two component sections and having a groove opening and a groove bottom. The sealing element comprises a profile which, in the non-compressed state, comprises different profile heights and at least two outer surfaces. The profile is deformable in the compressed state such that it extends with at least one of its side sections into the groove opening (NÖ) and thereby possibly partially closes the groove opening.

Abstract: Apparatus are provided for a device with improved heat resistance. The device includes a body and an encasing layer disposed substantially entirely around the body. The encasing layer includes a fabric layer and a coating. The fabric layer has a first end and a second end coupled together about the perimeter of the body to enclose the body, and the fabric layer includes an exterior surface. The coating is disposed on the exterior surface of the fabric layer, and the coating forms a barrier for the fabric layer.

Abstract: A metal gasket includes embossments that exhibit essentially full functional recovery and full retained internal stress at temperatures up to about 1000° F. which is made from sheet material that is cold rolled and whose embossments are work hardened without any post embossment heat treating that would act to harden the material. This material may also receive a precipitation hardening heat treatment prior to being embossed. The gasket materials include alloys having greater than about 18% Ni, greater than about 14% Cr, from about 0.1 to 10% of at least one of Mo, Ti, V, Al, Co, Nb, Ta or Cu and the balance Fe with incidental impurities, which are cold rolled without any post embossment heat treating that would act to harden the material.

Abstract: A molded discrete low stress gasket is constructed of restructured filled PTFE for use in corrosive or severe chemical environments under relatively low bolt loads. The gasket has a gasket surface and includes a raised outer sealing ring and a raised inner sealing ring. The gasket may constructed from a restructured filled PTFE material, with the sealing rings deforming at lower pressures than the remaining portions of the gasket.

Abstract: A seal comprising a generally acorn shaped cross-sectional profile is described herein. The seal may be configured for use between two generally adjoining and/or nearly adjoining surfaces. The seal may be used to eliminate a gap or rubbing between a plurality of surfaces. The seal may have a non-circular cross-sectional interior profile.

Abstract: The present invention relates to a mechanical seal assembly, comprising: a rotating seal ring (2) and a stationary seal ring (3), which define a sealing gap (4) thereinbetween, a shaft bush (6), on which the rotating seal ring (2) is arranged, a carrier ring (5), which is arranged on the shaft bush (6) and at least partly covers the rotating seal ring (2) on the outer circumference thereof, a first O-ring (8) and a second O-ring (9), which are arranged between the rotating seal ring (2) and the carrier ring (5) and define an interspace (15) on the outer circumference of the rotating seal ring (2) between the carrier ring (5) and the rotating seal ring (2), and at least one connecting opening (11), which connects the interspace (15) to an outer circumferential surface of the carrier ring (5).

Abstract: A connector (1) for transferring a fluid or for applying a pneumatic pressure from an inlet conduit (2) to an outlet conduit (3) that may rotate with respect to the inlet conduit (2), in which the connector (1) comprises a rotating shaft (17) defining the outlet conduit (3) therein, which has an inlet opening (70), said rotating shaft (17) defining a rotational axis (S-S) and comprising a sealing disc (19) extending radially from said rotating shaft; an insertion chamber (5) to which said inlet conduit (2) is sealingly securable, said chamber leading towards said inlet opening (70) of the outlet conduit (3); at least one first cylinder-piston unit (100) comprising a cylinder (9) and a piston (21) slidable in said cylinder (9), said piston (21) having a sealing surface (22) facing the sealing disc (19), and said cylinder (9) being fluidically connected or connectable to said insertion chamber (5); said piston (21) being configured to be selectively actuated between a sealing position in which the sealing surfa

Abstract: Described herein is an improved ball valve assembly for use in a tank or a tank-like container. This improved ball valve assembly prevents leakage of a liquid with corrosive and abrasive contaminants within the tank or a tank like container. This improved ball valve assembly is especially useful in a railroad tank car that contains a liquid commodity in whenever a tank is mobile and subjected to wide temperature variations. The improved ball valve assembly contains a ball component made of a ceramic material. A ceramic wiper (i) mechanically seals against the ball component and (ii) prevents contaminants from embedding within, or otherwise abrading, top and bottom seats within the ball valve assembly. Also contained in the preferred embodiment of this invention is an improved drive coupling that (i) eliminates the previously existing need for custom square drive tool (ii) pre-attached to the ball valve assembly.