559results about "Braking elements" patented technology

The disclosure relates to a brake caliper guide for a floating caliper disk brake, comprising at least one guide pin attached to a brake caliper, having a head and a shaft, a brake carrier having at least one guide bore which has an entry region and a bore depth extending into the brake carrier, and a guide device inserted into the entry region of the guide bore having a sliding sleeve arranged in an elastomer sleeve 40. The shaft of the guide pin is mounted in a longitudinally displaceable manner in the sliding sleeve such that the head is located outside the brake carrier. The region of the shaft which is located on the side of the guide device oriented toward the bore depth projects into the guide bore. The end face of the sliding sleeve which is oriented toward the outer face of the brake carrier has a first collar which extends radially outwardly. The elastomer sleeve overlaps the sliding sleeve and adjoins the first collar and is delimited in the longitudinal extent thereof by this collar, and / or the end face of the sliding sleeve, which is oriented toward the outer face of the brake carrier, has a first collar which extends radially outwardly. The end face of the sliding sleeve has a second collar which extends radially outwardly. The elastomer sleeve is arranged between the first and the second collar and is delimited in the longitudinal extent thereof by the collars.

The invention concerns a multi-part brake caliper for a vehicle disc brake, the brake caliper comprising: a first part comprising a portion that is arrangeable at a first side face of a brake disc of the vehicle disc brake; a second part that is formed separately form the first part and comprises a portion that is arrangeable at a second side face of the brake disc; a middle part connecting the first part and the second part; wherein the middle part is mechanically fixed to at least one of the first and second part.

Recess and protrusion features on a brake pad backing plate and an air disc brake tappet create a unique interface that keys the backing plate for use with the tappet. If the backing plate and / or tappet move during braking, the force applied by the protrusion of the tappet against the inner wall of the recess, or vice versa, can cause stress or damage to the backing plate, tappet, and / or other parts of the braking system. To accommodate such movement, the inner dimensions of the recess can be made greater than the outer dimensions of the protrusion. In one embodiment, the minimum dimensions of the recess are determined from a stack-up of tolerances of various components in the braking system. In another embodiment, maximum dimensions of the recess are determined to avoid overlapping step-down transitions in the backing plate and tappet during braking.

The invention concerns a Brake carrier (10) for disc brake arrangement (11), the disc brake arrangement (11) having brake pads (24) that are displaceable relative to a brake disc (100), wherein the brake carrier (10) is configured to support the brake pads (24) during their displacement; wherein the brake carrier (10) comprises at least a first portion (14) that is arrangeable on a first side (13) of the brake disc (100), a second portion (16) that that is arrangeable on a second side (15) of the brake disc (100) and two connecting portions (18, 20) each connecting the first and second portions (14, 16); wherein at least one of the connecting portions (18, 20) comprises an air channel (12) having a first end (34) that is arranged so as to face towards the brake disc (100). Also disclosed is a disc brake arrangement (11) comprising such a brake carrier (10).

A disc brake system includes a carrier and a brake pad having a backing plate and a friction material supported by the backing plate. The backing plate and friction material are configured so as to minimize any possible interference with the caliper housing, while maximizing the strength and durability of the brake pad. A method of actuating a disc brake system is also provided.

The invention relates to a separation device for brake dust generated by a wheel brake of a motor vehicle, wherein the separation device is configured to be fixedly arranged on a wheel of a motor vehicle for conjoint rotation therewith. The separation device has a flow path, which has at least a first portion with a first flow direction and a second portion with a second flow direction, wherein the first portion adjoins the second portion in a boundary region, and wherein the second flow direction forms an angle with the first flow direction of at least 45°, preferably of at least 60° and particularly preferably of at least 90°. The separation device further comprises a pressure difference-generating element for generating a pressure difference between an inlet pressure at the inlet of the flow path and an outlet pressure at the outlet of the flow path, wherein a collecting portion for brake dust is arranged between the boundary region and the outlet of the flow path. The invention further relates to a wheel for a motor vehicle having such a separation device and to a motor vehicle having such a separation device or having such a wheel.

The invention relates to an anti-lock device (1) for a wheel, which is arranged in a hydraulic pressure circuit between a master cylinder (2) and at least one brake caliper (3) of the wheel, in particular for an aircraft. According to the invention, the device comprises: a centrifugal element (4) attached to a rim (5) of the wheel and movable from a retracted position when the wheel is rotated at a speed below a threshold rotational speed to a deployed position due to centrifugal force when the wheel is rotated at a speed beyond the threshold rotational speed; a pressure regulating system (6) comprising a hydraulic inlet (6a) connected to the master cylinder (2) and a hydraulic outlet (6b) connected to the hydraulic inlet of the brake caliper (3), the pressure regulating system (6) is movable between a hydraulic circuit closed position when the centrifugal element (4) is in the retracted position and a hydraulic circuit open position driven by the centrifugal element (4) in the deployed position.

The utility model discloses a brake device for a rotary speed reducer, which comprises a speed reducer body, a brake guide mechanism, an installation clamping mechanism and a stable rotating mechanism, and the brake guide mechanism comprises a brake box, a hydraulic cylinder, a moving frame, a guide frame and a brake pad. The mounting clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a stretching spring rod, a rotating ring, an unlocking block and a pressing block, the brake guide mechanism is matched with the moving frame through the guide frame, so that the brake pad is stably guided in the moving process, the brake pad is prevented from deviating, the stability of the braking process and the uniformity of the braking effect are ensured, and the service life of the brake pad is prolonged. The brake assembly can be rapidly clamped and disassembled through the installation clamping mechanism, the installation, maintenance and overhaul processes of equipment are simplified, and especially due to the rapid clamping design of a clamping pipe and a clamping rod, the manual operation complexity is reduced, and the maintenance efficiency is improved.

This utility model discloses a heat-dissipating electric tricycle brake disc, including a brake drum and a circular brake disc disposed on the circular outer wall of the left end of the brake drum. The circular brake disc and the brake drum are fixedly connected by welding. The brake drum is circular in shape and has an opening at the left end. The circular brake disc is flush with the outer wall of the left end of the brake drum. Multiple heat dissipation holes are equidistantly arranged inside the circular brake disc near the edge. By adding multiple airflow-type heat dissipation devices equidistantly on the outer wall of the right end of the brake drum, when the brake drum rotates clockwise, the air intake horn collects air and sends it into the airflow compression hood. The airflow is blown onto the outer wall of the brake drum and the circular brake disc through the exhaust hole of the compression hood or the flat exhaust hood and the exhaust port of the exhaust hood, which quickly dissipates heat and avoids high temperature affecting braking performance. The airflow compression hood has an adaptable structure and does not take up too much space. The flat exhaust hood, together with the exhaust port, increases the heat dissipation coverage area and makes the heat dissipation more even and sufficient.

The invention relates to a wheel for a vehicle, comprising a wheel hub (3) arranged centrally in the wheel (1), a wheel rim (5) arranged radially in the circumferential region of the wheel (1), and a wheel disc (7) arranged in the intermediate region between the wheel rim (5) and the wheel hub (3), which is divided into at least two separate movable disc segments (71, 73) whose angular position can be changed by an actuator (9) integrated into the wheel hub (3). In a wheel in which the cooling of the components arranged in and / or behind the wheel is improved, a central air passage opening (23, 41) is formed in the area near the actuator, which can be opened or closed by adjusting the disc segments (71, 73) by the actuator (9) controlling them.

A friction material with reduced storage time is described, comprising a binder composition based on a hydraulic binder and its use in brake pads and industrial applications.

The invention relates to a method for producing a brake disc, comprising prefabricating a base body (2) with a hub mounting (6) having an annular hub contact surface (7) and a metal friction ring (3), the friction ring (3) having two opposite annular friction surfaces (4, 5) extending about a rotational axis (A) of the base body (2), by casting the base body (2) from metal, and optionally forming a friction surface (4, 5) between the friction surfaces (4, 5). The region of the annular friction surface (4, 5) and / or the region of the hub contact surface (7) are / is subjected to material removal such that the annular friction surface (4, 5) has a radial inclination (W1) with respect to the hub contact surface (7). A wear-resistant layer (10) is subsequently produced on one or both friction surfaces (4, 5) in such a way that thermally induced stresses deform the annular friction surfaces (4, 5) during this process such that the absolute value of the radial inclination (W1) is reduced to a smaller absolute value of the radial residual inclination (W2).

The present invention relates to the field of carbon-ceramic composite materials, in particular to a non-dense carbon-ceramic friction material, and a preparation method therefor and the use thereof. The non-dense carbon-ceramic friction material is obtained by subjecting a C / C-Si green body to a silicon infiltration treatment using silicon powder. The raw materials for preparing the C / C-Si green body comprise chopped carbon fibers, graphite powder, a ferrosilicon mixture, silicon carbide powder, boron nitride powder, and phenolic resin powder. The non-dense carbon-ceramic friction material is made to have a porosity of 15-25 vol.%, a high-temperature resistance limit of 1350°C and a compressive strength of 80.5 ± 2.4  MPa; therefore, a friction plate prepared therefrom exhibits a wear amount of 52.8-95.0  μm and a friction coefficient of 0.6-0.7 in an AK master program test. Compared with friction materials in the prior art, the non-dense carbon-ceramic friction material has the advantages of a non-dense structure, a light weight, high-temperature resistance, etc.

A drive for a wheel-driven vehicle, includes a planetary gear system which includes a sun gear, a ring gear, a planet carrier, and planet gears carried by the planet carrier and meshing with the sun gear and the ring gear. The drive includes an electric motor for driving the sun gear and a wheel which is non-rotatably connected to the ring gear. The drive further includes an electromechanical brake for braking the sun gear and / or a drive shaft of the electric motor. The sun gear is arranged between the brake and the electric motor and / or the brake is being accommodated by an axial cut-out of the planetary gear system.

A disc brake is proposed with a brake carrier and brake linings consisting of a friction lining (8) and a lining rear plate (9). The brake carrier has a lining well with mutually facing first supporting surfaces and with second supporting surfaces. Angle brackets (30) with tabs (36, 37) are situated between the brake lining (5) and the lining well, of which tabs (36, 37) an inner tab (36) is supported against the inner side and the other tab is supported against the outer side (17) of the brake carrier. In order that it is identifiable during mounting whether the brake lining (5) is mounted in a correct installation position, the angle brackets (30) are fixed on the lining rear plate (9) by means of retaining elements (40). In the brake application direction (R), the fixing force of the retaining elements (40) is lower than the fixing force of the tabs (36). The brackets (30) are provided with a mounting indicator (45) which is situated in a plane (E) between the inner side (16) and the outer side (17), wherein, in the brake application direction (R), the spacing of the plane (E) from the inner side (16) firstly and from the outer side (17) secondly is of different magnitude. Furthermore, a corresponding protective plate assembly for arranging between the brake carrier and the brake lining (5) is proposed with a single-part or two-part main body consisting of a total of two radial limbs (31) and two tangential limbs (32).

The present disclosure relates to a disc braking system (10), comprising: a brake disc (12); first and second perforated brake pad arrangements (14,16) each comprising a brake pad (52), and each having a backside (18) facing away from the brake disc (12) and a frontside (20) facing the brake disc (12) and being configured to interact with the brake disc (12) upon the disc braking system (10) being operated; an air blowing arrangement (22) arranged to blow air into a space between the frontsides (20) of the first and second brake pad arrangements (14,16) and the brake disc (12); and an air suction arrangement (24) coupled to the backsides (18) of the first and second brake pad arrangements (14,16) and being controllable to suck dust resulting from braking through the first and second brake pad arrangements (14,16), wherein the air blowing arrangement (22) comprises an expansion valve (26), a perforated plate (28), and a diffuser (30) in series.

A floating caliper brake is shown including a first metal section fastened non-positively to a guiding element and is-arranged in a recess so that, in a first position, a first section of the first metal section rests in an axial direction, with positive engagement, against a first section of a wall, which defines the recess, on a first side of a limiting element, wherein, in a second position, in which the first metal section and the first section of the wall are arranged at a distance from one another in the axial direction, a first elastomer section is deformed elastically such that a spring force acts on the first metal section-in an axial direction and towards the first section of the wall, and wherein, when the spring force is equal to or greater than a predetermined non-positive engagement force threshold, the non-positive connection between the first metal section and the guiding element is cancelled, resulting in that the first metal section moves relative to the guiding element in the axial direction, and when the spring force is less than the predetermined non-positive engagement force threshold, the non-positive connection between the first metal section and the guiding element is re-established.

A vehicle control system may include a first friction brake member that rotates with a wheel of the vehicle, a second friction brake member that is displaced from an initial position to initiate contact with the first friction brake member to apply braking torque to the wheel, a displacement assembly operably coupled to the second friction brake member to move the second friction brake member responsive to a brake torque request, a sensor network to measure displacement information of the displacement assembly from the initial position to a point of contact between the first and second friction brake members, and a control module operably coupled to the sensor network to record the displacement information to define recorded displacement information, and to determine tapering of the second friction brake member based on the recorded displacement information.

A brake carrier (4) for a disc brake (1) of a utility vehicle has a frame-like base with two bridge struts (41), which are oriented parallel to one another and the ends of which are connected to one another via disc-encompassing elements (42), and carrier horns (43) which project from the base at a distance to one another and, together with the respective bridge struts, form lining housings (10, 11) for receiving brake linings, an adapter (6, 7, 8) for fixing a brake dust collector (5) being provided on the lower face, facing away from the lining housings (45), of the base in the region of at least one of the disc-encompassing elements (42). The invention also relates to a disc brake (1).

The invention discloses an inverted bolt type rear brake caliper mounting structure and method suitable for a disc brake system. The mounting structure comprises a brake caliper module, a frame brake mounting seat module and an inverted bolt assembly. The core characteristic is that at least one fastening bolt is installed in an inverted mode, and the axial installation direction of the fastening bolt is different from that of other fastening bolts. By means of the design, the reverse torque borne by the calipers in the braking process and in the wheel rotating direction can be preferentially transmitted through the attaching contact face between the braking caliper module and the vehicle frame braking installation base module, so that the shear stress borne by the fastening bolt is greatly reduced, and the reliability and durability of connection are improved. And meanwhile, the structure is further provided with a positioning guide structure and an anti-loosening structure, so that the mounting precision and the fastening safety are ensured. The rear brake system is ingenious in structural design, high in compatibility, capable of remarkably improving the stability and safety of the rear brake system and suitable for various bicycles such as road vehicles and mountain bikes.

The present invention relates to an electromechanical braking mechanism (1) for a motor vehicle, comprising a driver carrier (100) to which an electric motor (41, 42) and an adjustment device (5) are attached, wherein said adjustment device is connected transmission-wise to a motor shaft (411, 421) and by means of which a brake part (22) can be adjusted, wherein the motor (41, 42) has a motor housing (413, 423) in which the motor shaft (411, 421), which extends in an axial direction, is supported in an end-face bearing cover (414, 424) and projects axially herefrom, wherein the motor housing (413, 423) is fixed to the drive carrier (100). To enable improved production and assembly, and to keep the installation space and weight low, according to the invention the drive carrier (100) has a recess (101) in which the motor housing (413, 423) can be received in an interlocking manner in the axial and radial direction, wherein the machine housing (413, 423) can be braced against an axial support surface (104) of the recess (101) on the end face.

In a method for producing a coated workpiece (110), a rotationally symmetric functional layer (170-1, 170-2) with respect to a rotational axis of the workpiece is applied to at least one surface of the workpiece in at least one coating operation using laser radiation. For this purpose, the workpiece is set into a rotational movement about its rotational axis (114), and a laser beam (LS) directed towards the surface is generated. This laser beam is guided in a beam direction at an angle of incidence (EW) onto an impact zone (ZO) in a coating area of ​​the surface. At least one, preferably powdered, additive material is supplied to the laser beam such that the additive material is heated and / or at least partially melted in an interaction zone by the laser radiation of the laser beam and bonds at least partially with heated material on the surface in the area of ​​the impact zone (ZO).A relative movement between the workpiece (110) and the laser processing head (200) is generated such that, with the workpiece rotating, the impact zone passes through all positions within the coating area at least once. The relative orientation between the rotation axis (114) of the workpiece and an orientation of the laser processing head (200) is changed during at least one angular change phase of the coating operation via control signals from a control unit according to a predefined setting.

A method for forming an oxidation protection system on a composite structure may comprise applying a ceramic layer slurry to the composite structure and heating the composite structure to form a ceramic layer on the composite structure. The ceramic layer slurry may comprise aluminum and silicon carbide powder in a sol. The ceramic layer may comprise alumina, silicon carbide and silicon oxycarbide.

The invention relates to a mounting assembly for a brake caliper (20) on a pivot (21) for a vehicle. The pivot (21) comprises a portion of a circular rail, defining a female part. The brake caliper (20) comprises at least one first circular mounting tab, defining a male part, and a through hole for a screw. The female part cooperates with the male part, and the brake caliper (20) is fixed to the pivot (21) by a screw. (See Fig. 2 for abbreviations.)

The invention provides a lubricating structure of a retarder, which enhances the lubricating effect on a side oil seal of the retarder, reduces the ablation condition of the oil seal and prolongs the service life of the retarder. The retarder comprises: a retarder housing; the outer end of the transmission shaft is sleeved with a first bearing, and the inner end, corresponding to the position of the gearbox, of the transmission shaft is sleeved with a gear and a second bearing; a gearbox side oil seal; a retarder side oil seal; an oil seal seat; the pump comprises a pump shaft and a vane pump wheel; a partition sleeve; and a pump chamber mounting assembly.