Abstract: There is provided an air spring for supporting a load, the air spring comprises a chamber for holding a pressurised gas in use, a load-bearing surface arranged to transmit a force from a load in use to the pressurised gas held in the chamber. Importantly, in order to lower the spring rate, the chamber contains a mass of adsorptive material. There is also provided a use of an adsorptive material for the purpose of lowering the spring rate of an air spring, including a gas strut and a pneumatic wheel. There is also provided a method of designing an air spring using an adsorptive material to lower the spring rate.

Abstract: A spring system that includes a compressible material that is used to control the speed of the rod movement.

Abstract: A hydromount for mounting a motor vehicle engine includes a load-bearing spring having an elastomeric material and being configured to support a mount core. A working chamber is delimited by the load-bearing spring. An equalization chamber is separated by an intermediate plate from the working chamber and delimited by an equalization membrane having an elastomeric material. The working chamber and the equalization chamber are filled with a hydraulic liquid and connected to each other by a damping channel. The intermediate plate is mounted in an elastic receiving device which grasps around the intermediate plate and has a pivotable supporting region.

Abstract: A hydrodynamic coupling arrangement (1), comprising an impeller (6) linkable to a drive shaft, a turbine (7) linkable to a driven shaft via a hub (11) and able to hydrodynamically coupled with the impeller (6), a lockup clutch (20) able to short-circuited the hydrodynamically coupling between the impeller (6) and the turbine (7), a torsional vibration damper arrangement (13;14,15) located between the lockup clutch (20) and the hub (11), said torsional vibration damper arrangement comprising an input element (16;17,47,24), an output element (17; 25,33,32) and a plurality of elastic elements (22;26) disposed between the input element and the output element, the output element of the torsional vibration damper arrangement forms a part of the hub, wherein the coupling arrangement comprises an absorber device (29) being linked in rotation to the hub, said absorber device comprising a unique resonance frequency.

Abstract: A tuned mass vibration damper (300), for example, for a drivetrain of a motor vehicle, for damping a vibration component of a rotational movement, includes at least three damper masses (110), at least one guide component part (130) to movably guide the at least three damper masses (110) such that the damper masses (110) are arranged so as to be offset along a circumferential direction (160) perpendicular to an axis of rotation (140) and can carry out the oscillations, and a damping component part (310) rotatable around the axis of rotation (140) of the rotational movement opposite to the at least one guide component part (130) and which comprises a support structure (340) and at least two damping structures (350) connected to the support structure (340).

Abstract: A dynamic vibration absorbing device includes a guide member having an annular shape. The dynamic vibration absorbing device also includes at least one mass body that rolls along the guide member. In addition, the dynamic vibration absorbing device includes at least one elastic member non-rotatable relatively to the guide member, the at least one elastic member disposed to restrict the at least one mass body from rotating relatively to the guide member.

Abstract: A dynamic vibration absorbing device inhibits fluctuations in rotational velocity of a rotary member. The dynamic vibration absorbing device includes a tubular member having an annular shape, the tubular member including a slit extending in a circumferential direction. The dynamic vibration absorbing device also includes at least one elastic member disposed inside the tubular member, the at least one elastic member disposed to be non-rotatable relatively to the tubular member. In addition, the dynamic vibration absorbing device includes a support member including an attachment part, a support part and a coupling part, the attachment part attachable to the rotary member, the support part disposed inside the tubular member, the support part disposed to be rotatable relatively to the tubular member, the coupling part coupling the attachment part and the support part through the slit.

Abstract: Radial vibration dampers have an inertia member defining an annular channel having (i) a radially facing, open face; (ii) a bottom surface; and (iii) interior, opposing surfaces. The interior, opposing surfaces are each angled outward away from a central transverse plane through the inertia member at an angle in a range from zero degrees to at most 45 degrees. A spring damper member is seated in the annular channel to a selected depth that defines a damper gap between a radial inner surface of the spring damper member and the bottom surface of the annular channel and defines a clearance gap between the shaft and the inertia member. A tuning ratio of the clearance gap to the selected depth is in a range of about 1:1.5 to about 1:0.5.

Abstract: A method for dynamically balancing an unbalanced article about a rotary axis. The method includes determining a mass and a position of a corrective weight, the mass and position of the corrective weight being configured to at least partly correct an imbalance in the unbalanced article that is generated when the unbalanced article is rotated about the rotary axis; and spraying an atomized liquid or molten material toward a surface of the unbalanced article to form the corrective weight.

Abstract: Disclosed is a power transmission belt having a belt body made of rubber, and a cord embedded in the belt body so as to form a helical pattern having a pitch in a belt width direction. The cord is coated with an adhesion layer formed by an adhesion treatment and containing a rubber component, and the adhesion layer is in contact with a rubber composition containing cellulose-based fine fibers.

Abstract: A clevis structure includes a main body, a bridge member and a load member. The bridge member has a base section and at least one arm section pivotally connected with the main body, whereby the bridge member and the main body can freely swing relative to each other. The base section is formed with a guide slot extending to the arm section. The arm section is further formed with a through hole in a position where the arm section is pivotally connected with the main body. The through hole has a diameter larger than a width of the guide slot. The load member has two ends, one of which is enlarged to form a pivotal hanging head section and the other of which is formed as a connection ring. A neck section is formed between the pivotal hanging head section and the connection ring.

Abstract: A drawstring bag comprising: a bag; a drawstring encircling an open end of the bag; and a closure member comprising a sleeve and a plurality of angled teeth protruding within the interior of the sleeve, wherein: a portion of the drawstring comprising two co-extending lengths of drawstring extends from the bag; the closure member is located around the two co-extending lengths; and the angled teeth of the closure member allow the closure member to slide freely along the two co-extending lengths to close the bag, and engage with the drawstring to prevent the closure member from sliding in the opposite direction to re-open the bag, such that there cannot be movement of the closure member in the re-opening direction.

Abstract: The invention relates to a chain link for a circular chain and to the circular chain for accommodating and guiding energy lines between two connections points that can be moved in relation to each other, in a circular motion about an axis of rotation (d). The circular chain has a circular-arc-shaped body having a circle center-point axis (k), which body is composed of a plurality of sector-shaped chain links adjoining each other in the circumferential direction, wherein the chain links are connected to each other in the adjoining connection regions thereof in such a way that, in each case, the chain links can be pivoted about a first pivot axis (s1) radial to the circle center-point axis (k).

Abstract: A gear arrangement for distributing load in a gear transmission, which gear arrangement comprises an input gear or rack, an output gear or rack and at least two transmission arrangements operationally arranged in parallel for simultaneous divided transmission of the torque and/or motion between the input gear or rack and the output gear or rack. At least one of the transmission arrangements is a load distributing device which comprises a shaft which carries a first gear meshing with the input gear or rack, and a second gear meshing with the output gear or rack. The load distributing device further comprises means for allowing axial movement of at least one of the first and second gears relative to the input gear or rack or to the output gear or rack respectively, and control means arranged to apply an axial force to and/or transfer an axial force from the axially movable first and/or second gear.

Abstract: The present disclosure relate to a gear train comprising an input and an output wherein power is transferred between input and output via two or more gears (13) in parallel, such as a planetary gear train. Each of the two or more gears (13) are beveled, and arranged to rotate about a respective gear shaft (15), and each of the gears (13) are displaceable in the axial direction of its gear shaft (15). An equalizing arrangement (25) is provided that interconnects the gears (13) such that they are subjected to a similar force of application in their respective axial directions.

Abstract: Disclosed is an adjustable speed gear apparatus that is installed on the hub shaft of the rear wheel of a bicycle to increase the driving speed and moving distance of the bicycle by two or more times on the average by improving the internal structure thereof in such a way so as to strengthen the support force of a transmission gear and to increase the coupling force between components, and can make the bicycle compact and light by constituting the wheels and crank of the bicycle to be small in size.

Abstract: Provided is a speed reduction or speed increasing apparatus where the rotational stiffness can be increased, including a housing, a first crown gear, a support unit placed radially outward of the first crown gear to support the first crown gear to be capable of wave motion and incapable of rotation with respect to the housing, a second crown gear configured to be rotatable with respect to the housing, the second crown gear having a different number of teeth from the first crown gear, the second crown gear facing the first crown gear, and a cam unit configured to incline the first crown gear with respect to the second crown gear in such a manner that the first crown gear engages with the second crown gear, and to cause the first crown gear to undergo wave motion in such a manner that the location of contact moves.

Abstract: A transmission including a drive shaft, an output shaft, three planetary gear sets, and five shift elements, the first and second planetary gear sets are arranged in one gear plane, the first planetary gear set is a plus planetary gear set, and the second planetary gear set is a minus planetary gear set. The planetary gear sets are coupleable to one another to engage different gear ratios between the drive and output shafts. The drive shaft is connected to a sun gear of the first planetary gear set and is coupleable by the first shift element to a first element of the third planetary gear set and by the second shift element to a planetary carrier of the second planetary gear set. The third, fourth, and fifth shift elements radially encircle the planetary gear sets axially at the level the planetary gear sets and the second shift element are arranged.

Abstract: An automatic transmission has a first clutch shaft that constantly connects first and fourth planetary gear sets, a second clutch shaft that constantly connects second and third planetary gear sets, and a third clutch shaft that constantly connects the third and first planetary gear sets. A drive shaft is constantly connected to the fourth planetary gear set; an output shaft is constantly connected to the third planetary gear set. The first planetary gear set is directly connected to two shift elements, the second planetary gear set is directly connected to four shift elements, the third planetary gear set is directly connected to two shift elements, the fourth planetary gear set is directly connected to four shift elements. The drive shaft is directly connected to only one shift element. The output shaft is directly connected to only one shift element. A seventh shift element is directly connected to the drive shaft and the second and fourth planetary gear sets.

Abstract: An electromechanical front gear changer for a bicycle is provided, the bicycle having a chain, including a base member attachable to the bicycle. A linkage is movably coupled to the base member. A chain guide is movably coupled to the linkage for contacting the chain. A motor is supported by the base member. A gear transmission is driven by the motor to move the linkage. A CPU is provided for controlling the motor and a power supply is supported by the base member to power the motor and the CPU. A manually operated device is disposed on the electromechanical front gear changer.

Abstract: An actuator (10) system includes an output rod (20) coupled to a piston member (30) disposed within an actuator housing (14) or cylinder (14). A belt drive (24) is configured to drive the piston (30) or similar coupling member (30) in reciprocal motion within the housing (14), along its longitudinal axis. The opposite end (22) of the output rod (20) is selectively positioned with respect to the exterior of the actuator housing (14) in response to the motion of the piston (30) within the housing (14); e.g., in order to manipulate a tool or workpiece at the opposite (exterior) end (22) of the output rod (20), or to perform another automated machine task.

Abstract: A modular actuator (1) includes an actuation module (10), a gear module (20) and a telescoping module (30). The actuation module (10) includes a motor (11) and a drive worm (12) driven by the motor (11). The gear module (20) includes a gearbox (21) and a deceleration gear assembly (22) disposed in the gearbox (21). The deceleration gear assembly (22) includes a deceleration worm gear (221) engaged with the drive worm (12) and includes a deceleration worm (222) driven to rotate by the deceleration worm gear (221). The telescoping module (30) includes a drive worm gear (31), a lead screw (32) driven to rotate by the drive worm gear (31), and an extendable pipe (33) threadedly connected to the lead screw (32). The drive worm gear (31) is engaged with the deceleration worm (222), and the lead screw (32) is arranged parallel to the drive worm (13).

Abstract: A gear assembly that can prevent a reduction in power transmission efficiency and a manufacturing method thereof are provided. The gear assembly comprises a first gear and a second gear. The gear assembly is designed in such a manner that first gear tooth and the second gear tooth are contacted properly to each other in a plane of action when operated in a predetermined condition. A rigidity reducing portion is formed on a first base portion to avoid improper contact in the plane of action when the gear assembly is operated in a different condition.

Abstract: The pulley structure (1) of the present invention includes a ventilation path (10) that is formed at a position shifted in a radial direction from a rotating axis of a first rotating body (2) and allows a spring accommodation space (8) formed between the first rotating body (2) and a second rotating body (3) and the outside to communicate with each other. At least a part of the ventilation path (10) is formed in an end cap (5) that blocks an opening portion (21) on one side of the first rotating body (2) in a rotating axis direction. The end cap (5) blocks the opening portion (21) of the first rotating body (2) such that the spring accommodation space (8) does not communicate with the outside toward the one side in the rotating axis direction other than the ventilation path (10).

Abstract: A filtering pulley having a hub adapted to be fixed to a rotating shaft, a pulley ring mounted coaxial and rotationally free on said hub, and at least one elastic assembly interposed between the hub and the pulley ring and a damper for damping the relative oscillations between the hub and the pulley ring is disclosed. The damper has a first damping level for relative rotations between the hub and the pulley ring which are smaller than a predetermined angle and a second damping level, which is greater than the first level, for relative rotations between the hub and the pulley ring which are larger than the predetermined angle.

Abstract: An isolator is provided for use with an engine and in particular an engine that is assisted or started by MGU (Motor-Generator Unit) or a motor through an endless drive member. It comprises a double acting spring system for isolating crankshaft pulley from torsion vibration at the crankshaft, and in extreme conditions, such as during engine startup and accelerations or decelerations of the engine crankshaft relative to the pulley and when isolator operates in an “engine-driven” mode with the engine crankshaft is driven by the belt.

Abstract: A multi-speed clutch-damper assembly for selectively connecting an output of a power-source to an input of a transmission includes a planetary gear-set. The planetary gear-set is encased in a housing and configured to provide two selectable speed ratios and a damper between the power-source output and the transmission input. The planetary gear-set includes first, second, and third gear members. The second gear member is configured to be connected to the transmission input and the third gear member is configured to be selectively fixed to the housing. The planetary gear-set also includes an elastic element operatively connected to the second gear member and configured to generate torsional vibration damping between the output of the power-source and the input of the transmission. The clutch-damper assembly also includes a first clutch configured to selectively connect the power-source output to the first gear member for transmitting torque of the power-source to the transmission.

Abstract: A nut arrangement for a screw actuator is disclosed for allowing detection of wear in a primary nut of the screw actuator. The nut arrangement comprises a primary nut for providing a primary load path and a secondary nut for providing a secondary load path. An interface ring may link the secondary nut to the primary nut. A sensor is provided to detect relative axial movement between the primary and secondary nuts. During normal operation, the interface ring is seated by a flexible coupling that allows relative axial displacement of the secondary nut to the primary nut to accommodate wear in the primary nut. The sensor can be used to monitor backlash between the primary and secondary nuts to determine wear of the primary nut.

Abstract: A housing for a motor-transmission unit with at least two housing sections which have in each case at least one accommodation segment for receiving a motor and an internally-toothed, internal ring gear segment for receiving a gear of a planetary gear unit, wherein the housing sections can be or are connected with each other and wherein, in the assembled state, the accommodation segments of the housing sections together form at least one accommodation compartment for holding the motor, and the internal ring gear segments of the housing sections together form an internal ring gear for mating with a gear on the planetary gear unit.

Abstract: There is provided a motorcycle. A crankshaft extends in a width direction of the motorcycle. An engine case pivotally supports the crankshaft. A counter shaft is arranged in parallel with the crankshaft. A clutch mechanism is arranged at one end of the counter shaft and configured to transmit and disconnect rotation of the crankshaft to and from the counter shaft. A clutch actuator performs a disconnection/connection operation of the clutch mechanism. A shift mechanism is arranged below the counter shaft and configured to shift and transmit the rotation of the crankshaft to a driving wheel. A shift actuator performs a shift operation of the shift mechanism. A generator is arranged at one end of the crankshaft. The clutch actuator and the shift actuator are arranged around a cover member mounted to the engine case and accommodating therein the clutch mechanism or the generator.

Abstract: A lubricating device of a gear apparatus for a vehicle lubricates a low-rotation-side gear and a high-rotation-side gear meshing with the low-rotation-side gear. The lubricating device comprises a first tooth surface lubricating oil supply part configured to supply a lubricating oil directly to a tooth surface position located more upstream of a rotating direction of the low-rotation-side gear than a meshing position of the low-rotation-side gear with the high-rotation-side gear so as to spray some of the lubricating oil from the tooth surface position toward a tooth surface of the high-rotation-side gear, and an in-shaft lubricating oil supply part configured to supply the lubricating oil into a shaft of the high-rotation-side gear.

Abstract: A lubricating apparatus for a vehicle, comprises a first oil pump and a second oil pump, and a first supply passage connected to a discharge side of the first oil pump on which the lubricating oil is discharged so as to supply the lubricating oil discharged from the first oil pump to lubricated parts of the power transmission system, a second supply passage that is provided independently from the first supply passage and is connected to a discharge side of the second oil pump on which the lubricating oil is discharged so as to supply the lubricating oil discharged from the second oil pump to the lubricated parts of the power transmission system.

Abstract: The present invention relates to a grease application device in which a tip-side inclined surface of a nozzle 28 is made to closely face worm wheel teeth 11 of a shaft-mounted worm wheel 9 while rotating the shaft-mounted worm wheel 9 by means of a drive unit 12. At this state, the grease application device is configured to apply liquid grease from a tip-side opening of the nozzle 28 to the worm wheel teeth 11 of the shaft-mounted worm wheel 9 and to apply the grease while pushing the grease into concave portions of the worm wheel teeth 11. Also, the grease application device is configured to end the application of the grease at a point of time at which the shaft-mounted worm wheel has rotated one revolution with respect to the nozzle 28 after starting the application of the grease to the shaft-mounted worm wheel 9.

Abstract: A system according to the principles of the present disclosure includes a transmission fluid temperature sensor and a coolant valve control module. The transmission fluid temperature sensor measures a temperature of transmission fluid that is circulated through a transmission. The coolant valve control module controls at least one coolant valve to adjust coolant flow from an engine to a transmission fluid heat exchanger and at least one of a radiator, an engine oil heat exchanger, and a heater core. When the transmission fluid temperature is less than a first temperature, the coolant valve control module controls the at least one coolant valve to allow coolant flow from the engine to the transmission fluid heat exchanger and prevent coolant flow from the engine to the at least one of the radiator, the engine oil heat exchanger, and the heater core.

Abstract: An axle housing having a lubricant reservoir. An arm portion of an axle housing and a dam may cooperate to define a reservoir that retains lubricant in the arm portion. A conduit or a deflector may be provided to direct lubricant that is sprayed by a ring gear to the reservoir.

Abstract: A roller bearing cage that includes a cylindrical body including a plurality of pocket holes defined within and positioned circumferentially about the cylindrical body. Each pocket hole includes a pair of side portions and a pair of end portions meeting with the pair of side portions at a corner portion. The corner portion is contoured with a compound radius.

Abstract: There is provided a vehicle shift control device. A shift mechanism is configured to shift and transmit rotation of a crankshaft extending in a width direction of a vehicle to a driving wheel. A shift pedal is configured to receive a shifting operation for the shift mechanism. A shift detection mechanism is configured to detect a shift instructed via the shift pedal. A shift actuator is configured to perform a shift operation of the shift mechanism, in response to a detection content of the shift detection mechanism. The shift detection mechanism includes a detection unit configured to rotate in response to the shifting operation of the shift pedal and a sensor configured to detect rotation of the detection unit. A rotary shaft of the detection unit and a rotary shaft of the sensor are arranged at different positions, as seen from a side.

Abstract: A speed change ECU for a CVT sets a target input rotational speed Nin* such that the speed ratio of the CVT is varied stepwise a plurality of times consecutively to the downshift side in response to an operation to depress a brake pedal by a driver, and sets the target input rotational speed Nin* such that an amount of increase S(1), S(2), . . . in input rotational speed along with a downshift becomes smaller as the number of times of execution of downshifts is increased while downshifts in which the speed ratio is varied stepwise are executed consecutively.

Abstract: A dual pressure pump system for a transmission includes a dual pressure pump having a first pump outlet and a second pump outlet, and a pressure regulator valve defining a first chamber in fluid communication with the first pump outlet and a second chamber in fluid communication with the second pump outlet. The pressure regulator valve is configured to selectively connect the first chamber with a first pressure line operating at a first greater-than-zero pressure and to selectively connect the second chamber to a second pressure line operating at a second greater-than-zero pressure.

Abstract: A motor vehicle transmission is disclosed. The transmission includes at least ten gear-selection pressure chambers which are provided for the selection of a plurality of transmission gears, at least two actuation valves, each of which is provided for setting at least one actuation pressure for the gear-selection pressure chambers, at least one first selection valve unit, at least one second selection valve unit, and at least one third selection valve unit which are provided for connecting the actuation valves to the gear-selection pressure chambers. The second selection valve unit is directly connected to four gear-selection pressure chambers in order to transmit actuation pressure and the third selection valve unit is directly connected to six other gear-selection pressure chambers and directly to the second selection valve unit in order to transmit actuation pressure.

Abstract: A method of controlling an automated manual transmission system having a transmission and a shifter is provided. The shifter includes a Drive Mode, a Low Mode and at least one of a Manual Mode and a Hold Mold. The Drive Mode automatically selects a default gear of the transmission and automatically performs all upshifts and downshifts. The Manual Mode permits an operator to manually select an upshift and a downshift of the transmission. The Hold Mode permits an operator to maintain a current operating gear. Control determines whether the shifter is in one of the Manual Mode and the Hold Mode. Control determines whether a vehicle operating condition is outside of a predetermined threshold. Control operates the transmission in Drive Mode based on the vehicle operating condition being outside of the predetermined threshold irrespective of the shifter being in one of the Low Mode, Manual Mode or Hold Modes.

Abstract: A shift drum arrangement includes a shift drum with at least one first shift gate and/or a shift drum path for actuating at least one shift element of a transmission, in particular of a motor vehicle. A blocking device has a blocking gate and a blocking pin which engages in the blocking gate. The blocking gate has a labyrinth contour, and therefore the blocking pin strikes against a stop contour in one direction of rotation of the shift drum and blocks the further rotation of the shift drum. The block is released after the shift drum is partially rotated back in the reverse direction of rotation.

Abstract: A coupling and electromechanical control assembly and an electromechanical system for controlling the operating mode of a selectable clutch assembly are provided. The system includes a control member mounted for controlled rotation about a first axis. An actuator and transmission assembly includes a rotary output shaft and a set of interconnected transmission elements including a cam coupled to the output shaft to rotate therewith and a reciprocating member having a first end which rides in or on the cam to cause the reciprocating member to reciprocate upon rotation of the output shaft. A second end of the reciprocating member is coupled to the control member for selective, small-displacement, control member angular rotation about the first axis between different angular positions which correspond to different operating modes of the clutch assembly.

Abstract: A shovel is disclosed, which includes a lower traveling body; an upper rotating body mounted on the lower traveling body; an engine mounted on the upper rotating body; a hydraulic pump of a variable volume type; a hydraulic actuator to which pressurized oil is supplied from the hydraulic pump; a flow rate control valve configured to control, based on operation amount of an operation member, a flow rate of the oil to the hydraulic actuator from the hydraulic pump; and a controller configured to control the hydraulic pump. The controller calculates a virtual bleed flow rate from a bleed opening area of the flow rate control valve, determines a pump demand flow rate based on the calculated virtual bleed flow rate, and performs a virtual bleed-off control such that a discharge flow rate of the hydraulic pump becomes the determined pump demand flow rate.

Abstract: A worm gear assembly may include an input shaft having a first and second screw formed axially thereon, a first torque transfer unit comprising a first worm wheel operatively coupled to the first worm screw, a first radial pinion coaxially affixed to the first worm wheel, and a first axial crown wheel operatively coupled to the first radial pinion, and a second torque transfer unit comprising a second worm wheel operatively coupled to the second worm screw, a second radial pinion coaxially affixed to the second worm wheel, and a second axial crown wheel operatively coupled to the second radial pinion, wherein the first radial pinion is in meshed interface with the second radial pinion, and wherein torque differences between the first axial crown wheel and the second axial crown wheel are transmitted at least in part through said meshed interface.

Abstract: A shift controller for a vehicle includes a shift switching unit, a rotation restricting element, and an electronic control unit. The electronic control unit is configured to: acquire a count value corresponding to a degree of rotation of an actuator; set a rotational position of the actuator when the count value does not change by restricting rotation of the actuator using the rotation restricting element as a reference position of the actuator corresponding to the predetermined shift position; and interrupt setting the reference position of the actuator and restart setting the reference position of the actuator when the rotation of the actuator is restricted and a supply voltage to the actuator is equal to or lower than a predetermined first voltage determination value or a variation in the count value while the rotation of the actuator is restricted is equal to or greater than a predetermined value.

Abstract: A housing cap for a joint and a joint arrangement with a housing cap are provided. The housing cap includes a bellows section and a joint section. The bellows section includes at least one recess in the form of a hole configured to permit dirt and fluids to pass out of the housing cap. The bellows portion may also be provided with surface features such as funnel-shapes configured to enhance transport of contaminates and fluids to the at least one recess.

Abstract: Sealing arrangement of a fluid system for use with cryogenic media, said arrangement comprising a sealing ring in which a first system component is connected to a second system component by means of the sealing ring which sealing ring further has a first sealing surface which sealingly engages the first system component and the sealing ring has a second sealing surface which sealingly engages the second system component which first sealing surface and second sealing surface of the sealing ring are designed such that the first and second system components in the area of the sealing surfaces extend radially within the sealing ring in a section plane which extends parallel to the direction of contraction, and the sealing ring when exposed to cold, contracts thermally to a greater extent than the first system component and the second system component.

Abstract: A sealing system which has an annular seal which is used for sealing between a first member and a second member and which has a base portion, from which there projects axially in the direction towards the second member a sealing lip which ends in an end-side sealing portion which abuts an annular sealing face of the second member in a sealing manner. The annular sealing face has a conical first sealing face portion and a second sealing face portion which adjoins it in a radially outward direction, wherein the portion is formed by the base face of an annular indentation of the second member. The sealing lip tapers in the direction towards the sealing portion thereof and in the position for use thereof is axially compressed by the action by means of the two members and at the same time curved radially inwards. The sealing system is in particular a component of a valve.

Abstract: A device to provide a seal between a housing for a moving element such as a drill chain, piston or the like and the moving element. The device comprising a storage well to retain seal material, the block having an outlet connecting with an aperture in a housing enabling seal material to flow into the space between a housing and the moving element and form a seal, the device further including an inlet port enabling seal material precursor to be added into the block, and pressurising means to pressurise the seal material precursor and force it out of the aperture.