43results about How to "Improved wear behavior" patented technology

A polycrystalline diamond abrasive element, particularly a cutting element, comprises a layer of polycrystalline diamond having a working surface and bonded to a substrate, particularly a cemented carbide substrate, along an interface. The polycrystalline diamond abrasive element is characterized by using a binder phase that is homogeneously distributed through the polycrystalline diamond layer and that is of a fine scale. The polycrystalline diamond also has a region adjacent the working surface lean in catalyzing material and a region rich in catalyzing material.

A material transport or heat exchanger system. The material transport or heat exchange system includes at least one component including a base material. The at least one component includes a top functional layer capable of adjusting wetting behavior of the base material. The top functional layer includes carbon and hydrogen, and at least one of a non-metallic element and a semi-metallic element selected from the group consisting of 3rd, 4th, 5th, 6th, and 7th main group of the periodic table of elements, and mixtures thereof. A process for treating a surface of at least one component including a base material of a material transport or heat exchanger system. The process includes forming a top functional layer on at least a portion of the at least one component which is capable of adjusting wetting behavior of the base material. The top functional layer includes carbon and hydrogen, and at least one of a non-metallic element and a semi-metallic element selected from the group consisting of 3rd, 4th, 5th, 6th, and 7th main group of the periodic table of elements, and mixtures thereof.

A rotor shear for comminuting particularly bulky waste materials is formed by two cutting rotors (2) combing each other, disposed parallel to each other, supported in a housing (1), and each driven in an opposite direction. Each cutting rotor (2) comprises spacer rings (4) and rotor disks (5) furnished with cutting teeth (6). A face of a front flank (61) of at least one cutting tooth (6) is furnished with geometrically staggered and / or angled partial faces (65). The spacer rings (4) and the rotor disks (5) are disposed on shafts (3). Wear disks (7) are coordinated to outer rotor disks (5) with corresponding circumferences and are connected to the shaft (3). The cutting teeth (6) operate against the circumference of the spacer rings (4) disposed between the rotor disks (5). At least one support device / stripper device (8) is coordinated with at least one shaft (3), where support parts (81) and stripper parts (82) of the support device / stripper device (8) are functionally separated.

A component with a layer with CNT incorporated into thereof is disclosed. Particles of a dry lubricant are also embedded into the layer. The layer is particularly suited for electrical contact surfaces due to the embedded CNT. Further provided is a method for electrochemically producing the layer in which preferably ionic fluids are used as an electrolyte.

A doctor blade for scraping printing ink from a surface of a printing plate, comprising a flat and elongated main body having a working edge area formed in a longitudinal direction, the working edge area being coated with at least one first coating on the basis of a nickel-phosphorus alloy, and is characterized in that the first coating contains at least one additional component for improving the wear behavior of the doctor blade.

A sulfur-crosslinkable rubber mixture, in particular for pneumatic vehicle tires, straps, belts, and hoses, is disclosed which exhibits, among other things, improved rolling resistance behavior. The rubber mixture contains at least the following constituents: 5 to 95 phr of at least one styrene-butadiene rubber, which is functionalized with phthalocyanine groups and / or hydroxy groups and / or epoxy groups and / or silane-sulfide groups and the styrene content of which is 0 to 12 wt % and which has a glass transition temperature (Tg) according to DSC of −75 to −120° C. in the unvulcanized state, 5 to 95 phr of at least one further rubber, and 20 to 300 phr of at least one silica.

A power steering system, and more particularly a power-assisted steering system for a vehicle, comprises a lead screw which is driven by a servo motor and is composed of a nut, which is mounted axially non-displaceably in a frame, and an axially displaceable component, the thread of which is engaged with a thread of the nut, and further comprising a belt pulley, which is non-rotatably connected to the nut and forms part of a traction mechanism gear between the servo motor and the nut, wherein the nut is mounted in the frame by a rolling bearing. So as to provide a power steering system which produces little noise and is easy to install, very precise in operation and also cost-effective to produce, the belt pulley is produced from plastic.

A rail vehicle with variable axial geometry includes at least two axles, wherein a horizontal angular position of each axle with respect to the vehicle frame may be changed, and wherein the angular position of each axle is adjusted continuously during operation of the rail vehicle in such a way that a predefined lateral displacement and a predefined axial angle are achieved.

A method for controlling an active running gear of a rail vehicle including at least one first wheel unit with two wheels, wherein by means of at least one first actuator, which acts between the first wheel unit and a vehicle structure supported thereon by means of a first primary spring mechanism, the turning angle of the first wheel unit about a vertical running gear axis relative to the vehicle structure is adjusted, in a first frequency range, as a function of the actual curvature of the track and / or the turning angle of the first wheel unit about a vertical running gear axis relative to the vehicle structure is adjusted, in a second frequency range, such that transversal movements at least of the first wheel unit, caused by track outlay disturbances or by a sinusoidal course, are counteracted.

A round-shank pick having a pick head and a pick shank that includes a supporting element pierced along its longitudinal center axis by a mounting hole with an inside diameter for receiving the pick shank. A collar height, measured in the direction of the longitudinal center axis between an end, facing away from the seat surface, of the centering extension and the seat surface or between the end of the centering extension and an inner termination of a recess that is integrally formed in the supporting element in an indented manner with respect to the seat surface, is configured such that the ratio between the inside diameter of the mounting hole in the supporting element and the collar height is less than 8, and / or that the collar height is greater than an axial clearance of the pick mounted in a pick holder.

Door arrangement, more particularly a sliding door arrangement of an automatic door of an elevator or of a building, which comprises a door panel, and a guide arrangement for controlling the path of movement of the door panel, which guide arrangement comprises at least one guide connected to the aforementioned door panel, and a guide rail, closely along which the aforementioned guide is arranged to move, and from which guide rail the guide takes lateral support force with respect to the longitudinal direction of the guide rail. The guide comprises a first guide roll for taking the support force from the guide surface of the guide rail on the side of a first side of the guide, and a second guide roll for taking support force from the guide surface of the guide rail on the side of a second side of the guide.

A ball joint with a ball pin and a steel ball pin with a joint ball. The ball joint and ball pin are suitable for use when solid-on-solid friction predominates, for example under high static pre-loading or under high operational loads and with small joint movements. At least in a bearing contact area, between the joint ball and the bearing shell, does not include any nitrided layer. The surface of the ball pin has an oxide layer, provided as wear protection, at least in the bearing contact area of the joint ball. The oxide layer in the ball joints, previously regarded (as part of the nitriding treatment) as only improving corrosion protection functions as a form of wear protection. Thus, the mutual exclusion between increasing the fatigue strength (by surface layer hardening) and improving the wear resistance (by nitriding / oxidation) is overcome with such ball pins.

The invention provides a heat management module and a rotation valve thereof. The heat management module comprises a shell (6) provided with an opening, the rotation valve (V) arranged in the shell (6) and provided with a channel and a sealing assembly arranged in the opening of the shell (6); the channel is communicated to the outside through the opening of the shell (6); the sealing assembly comprises a main sealing piece (7), an auxiliary sealing piece (8) and a sealing piece support (9), the sealing piece support (9) is provided with a cylindrical part (92) and a flange (91), and the main sealing piece (7) and the auxiliary sealing piece (8) are sequentially arranged in space defined by the flange and the cylindrical part of the sealing piece support and the shell (6) in the axial direction of the opening; the main sealing piece (7) is in contact with the rotation valve in the axial direction of the opening, and the auxiliary sealing piece (8) is used for sealing between the shell (6) and the sealing piece support (9); and the main sealing piece (7) is in loose fit to the sealing piece support (9) and is in loose fit to the interior of the shell (6).

A chain has alternating vertical and horizontal chain links and with each link having an oval profile. The vertical links having an end web supporting surface formed on its inside that engages with a complementary bearing surface on the end web of adjacent horizontal link. The supporting surfaces and the bearing surfaces of all end webs are widened beyond two lateral surfaces of the respective end web, and supporting surfaces and bearing surfaces associated with one another are formed in each case as complementary cylindrical surfaces extending between longitudinal limbs. A method for producing such, closed profile chain links are hooked into open profile chain links and then the latter are closed by welding. And wherein, all supporting surfaces and bearing surfaces associated with one another are formed in each case as cylindrical surfaces that complement one another.

The invention relates to a wiper device (1) to wipe a windshield (5) of a motor vehicle with a wiper arm (10) and two connecting rod levers (8), wherein the connecting rod levers (8) are connected to the wiper arm (10) in a plane at fastening points (9) so they can move rotationally, wherein at least one of the connecting rod levers (8) is executed to be elastic essentially perpendicular to the wiper plane in order to effect a pressure force from the wiper arm (10) on the windshield.

A method of modifying a coupling geometry in a shroud band segment of a turbine moving blade includes the following steps: calculation of a modified coupling geometry; removal of shroud band material situated outside the modified coupling geometry; and / or application of additional material not present inside the modified coupling geometry; reworking the removal and / or application zones. The method avoids disadvantages of the prior art and provides improved wear behavior in the coupling region so as to prolong the life of the turbine blades in an effective and inexpensive manner.

The present disclosure relates to a caster, having a housing, having an axle pin which is arranged in a housing opening which is oriented substantially horizontally, and on which at least one wheel is mounted, having, at the top, a pin opening oriented substantially vertically, for receiving a pivot pin, and having a braking device which brakes the at least one wheel, wherein the housing opening for the axle pin allows limited vertical displaceability of the axle pin and the braking device comprises at least one resilient housing part which acts on the axle pin. In order to provide a mechanically reliable braking device, the braking device is additionally provided with at least one spring element which cooperates with the at least one resilient housing part and amplifies the effect of its braking force and / or increases the mechanical load-bearing capacity of the at least one resilient housing part.

A method of modifying a coupling geometry in a shroud band segment of a turbine moving blade includes the following steps: calculation of a modified coupling geometry; removal of shroud band material situated outside the modified coupling geometry; and / or application of additional material not present inside the modified coupling geometry; reworking the removal and / or application zones. The method avoids disadvantages of the prior art and provides improved wear behavior in the coupling region so as to prolong the life of the turbine blades in an effective and inexpensive manner.

A rudder propeller including a drive shaft and a propeller shaft that can be driven by the drive shaft by an angular drive and a planetary gear that can be located on the propeller shaft and including a sun gear that is connected to the angular drive via a coupling, a fixed ring gear and planet gears that revolve between the sun gear and ring gear and that are mounted on a planet carrier. The planet carrier can be secured against torque to the propeller shaft and the coupling between the angular drive and the sun gear can be designed as a double cardanic, rotationally-fixed flexible coupling, in such a way that radial and angular displacements of the sun gear in relation to the angular drive can be compensated.

The present disclosure relates to a caster, having a housing, having an axle pin which is arranged in a housing opening which is oriented substantially horizontally, and on which at least one wheel is mounted, having, at the top, a pin opening oriented substantially vertically, for receiving a pivot pin, and having a braking device which brakes the at least one wheel, wherein the housing opening for the axle pin allows limited vertical displaceability of the axle pin and the braking device comprises at least one resilient housing part which acts on the axle pin. In order to provide a mechanically reliable braking device, the braking device is additionally provided with at least one spring element which cooperates with the at least one resilient housing part and amplifies the effect of its braking force and / or increases the mechanical load-bearing capacity of the at least one resilient housing part.