54results about "Axially engaging brake components" patented technology

The invention relates to an integral low-latency intermediate shaft brake. The integral low-latency intermediate shaft brake is mounted at the front end of a transmission intermediate shaft and comprises a brake shell connected with a transmission shell. Three gas paths are formed on the brake shell, and one end of the first gas path is plugged. A quick release valve, a piston, five friction plates, five steel sheets and an ejector pin pressed into the piston are arranged in the brake shell. The simple-structure quick release valve device is integrated in the control gas path, when braking isrelieved, a brake gas cylinder exhausts gas, a solenoid valve is controlled not through the brake, the quick release valve directly exhausts gas, the retardation time for relieving brake is shortened,and the system response speed is increased; the integrated structure is adopted, the quick release valve, the piston, the friction plates, the steel sheets and the like are integrated in the brake shell, the system integration level is high, adaptability is strong, and convenience of assembling and maintenance is improved; and the dual sealing structure is adopted by the piston, gas and oil sealing of the two sides of the piston is achieved through two identical Y-shaped sealing rings, sealing is achieved reliably, and cost is low.

One example embodiment includes a brake pad which provides a visual indication when the brake pad requires changing. The brake pad includes a first layer, where the first layer includes a material configured to create friction with an external brake disk connected to a wheel. The brake pad also includes a second layer. The second layer includes the material of the first layer. The second layer also includes a dye, wherein the dye is configured to create a visually identifiable dust on the external brake disk.

Disc brake piston cap (3) interposed between the caliper (1) and the piston (2) to protect the piston (2). The cap (3) has a bulge (351) on the inner fold (35) which is engaged in the groove (22) of the piston (2), and has an overmolded insert (31) fixed to the annular groove (11) of the caliper. The folded cap (3), with the overmolded insert (31), intermediate folds (33, 34) and an outer fold (32), comprises longitudinal ribs (352) on the face of the inner fold (35) to stiffen this fold and allow air to pass from the inside to the outside around the bulge (351) of the inner fold (35), housed in the groove (22).

The present invention relates to a brake assembly comprising a brake disc in rotational engagement with a wheel of a vehicle, a brake pad which frictionally engages said brake disc when an actuator force is applied thereto, an actuator having an output shaft driven in a forward direction and a reverse direction in order to bring the brake pad and brake disc in said frictional engagement, and an energy absorption and / or storage unit absorbing forces acting on the output shaft in the reverse direction in case of a predetermined operation situation.

Disclosed is an electronic parking brake. The electronic parking brake is provided with an operating lever, which is configured to support first and second brake shoes, which are installed at both sides inside a drum, and push the first and second brake shoes toward an inner surface of the drum when a pivot lever is pulled, and is electronically activated to operate the pivot lever to brake the drum, and the electronic parking brake includes a housing mounted on a vehicle body; an actuator installed at the housing and configured to generate a driving force for braking; a power conversion unit having a nut member configured to be rotated by receiving the driving force from the actuator, and a spindle member screw-coupled to the nut member to allow a rectilinear movement; and a parking cable configured to move according to a reciprocal linear movement of the spindle member, operate the parking brake, release an operation of the parking brake, and be connected to an end of one side of the spindle member, wherein the parking cable has a predetermined length and is formed with a single integrated type steel bar body to prevent occurrence of a bending deformation.

The invention relates to a brake cylinder clearance adjusting mechanism and a brake cylinder, and belongs to the technical field of vehicle braking. The brake cylinder clearance adjusting mechanism ischaracterized in that the inner end of a piston tube which is embedded in the inner cavity of a cylinder cover tube is fixedly connected with a piston in the axial direction; the outer end of the piston tube is fixedly connected with a guiding resistance regulator body; a square key groove and a wedge-shaped adjusting block mounting groove are formed in the cylinder cover tube in the axial direction; a taper sleeve and a guiding nut of which the end faces are meshed are mounted in the guiding resistance regulator body; the ends, away from the meshed part, of the taper sleeve and the guiding nut are propped against a resistance regulating spring and a guide spring; an adjusting screw shaft which is screwed in an adjusting nut is mounted in the inner hole of the guiding nut; a tapered toothsliding sleeve is mounted at the outer part of the adjusting nut; the outer circle of the tapered tooth sliding sleeve is fixedly connected with the square key radially extending out of the square key groove in the cylinder cover tube; a wedge-shaped adjusting block adjustable in the radial position is mounted in the wedge-shaped adjusting block mounting groove of the cylinder cover tube; and anouter wedge-shaped surface and an inner wedge-shaped surface are formed in each of the adjacent ends of the square key and the wedge-shaped adjusting block. According to the brake cylinder clearance adjusting mechanism and the brake cylinder, the adjustment of the maximum unadjusted stroke value of the brake cylinder is realized, and a stable clearance adjustment amount is ensured.

The invention provides for a brake pad apparatus for connecting to a brake assembly of a motor vehicle. The brake pad apparatus includes a backing plate that extends along a first plane and has an inside surface and an outside surface. A liner is connected to the inside surface of the backing plate for contacting the rotor for creating a frictional force against the rotor to slow the motor vehicle. An insulating layer is connected to the outside surface of the backing plate for providing heat and noise insulation during contact of the liner against the rotor. At least one projection extends from the outside surface of the backing plate through the insulating layer, and past the insulating layer for being engaged by a pressing member of the brake assembly for compressing the liner against the rotor of the brake assembly.

A brake and method of assembly are provided. The brake includes a friction plate configured for coupling to a rotatable body for rotation with the rotatable body about an axis of rotation, a pressure plate disposed about the axis on a first side of the friction plate and fixed against rotation, and an armature plate disposed about the axis on a second side of the friction plate. An electromagnet is disposed about the axis on an opposite side of the armature plate relative to the friction plate. A spring biases the armature plate in a first axial direction towards the friction plate and away from the electromagnet to engage the brake. A fastener couples the pressure plate to the electromagnet. The fastener conforms to a space between opposed surfaces of the pressure plate and the electromagnet and, upon hardening, bonds the pressure plate to the electromagnet.

Sealing means are disclosed for preventing the ingress of water and dirt between a brake caliper and the carrier guide pin. At the end of the guide pin facing away from the brake carrier, a retaining clip holds a sealing bead of a sealing boot at least partially within an axial bore of the guide pin. At the end of the guide pin which faces towards the carrier, a sealing boot is provided seated on a ring which in turn is attached to the caliper. The other end of the sealing boot is attached to the guide pin, in a space between the guide pin and the ring. The sealing means at either end are compact, and provide effective sealing where there is not enough space to provide known sealing means.

The invention relates to a piston for a brake caliper, which can be actuated in combined fashion, of a disk brake, which piston 1 is produced by shaping processes from a metallic material, in particular from a planar metal sheet, and which piston 1 is formed as a pot which is open on one side and which has a longitudinal axis, a wall and a piston crown, and which piston has a twist prevention facility for a drive nut. The invention is based on the problem of providing a robust piston construction which is better capable of tolerating erroneous repair work. To solve the problem, it is proposed that the twist prevention facility has, between the piston and drive nut, at least one reinforcement for protecting against plastic deformation of at least one driver.

Sealing means are disclosed for preventing the ingress of water and dirt between a brake caliper and the carrier guide pin. At the end of the guide pin facing away from the brake carrier, a retaining clip holds a sealing bead of a sealing boot at least partially within an axial bore of the guide pin. At the end of the guide pin which faces towards the carrier, a sealing boot is provided seated on a ring which in turn is attached to the caliper. The other end of the sealing boot is attached to the guide pin, in a space between the guide pin and the ring. The sealing means at either end are compact, and provide effective sealing where there is not enough space to provide known sealing means.

The invention discloses a novel floating type disc shaped braking device. The device comprises a supporting seat and a brake housing, wherein a gap is formed in the brake housing; a piston chamber and a first guide pressing plate chamber which intercommunicate are arranged in the brake housing; a second frictional sheet mounting seat is arranged at one end, far away from the piston chamber, of the brake housing; a gap is formed between the first guide pressing plate chamber and the second frictional sheet mounting seat; a second frictional sheet is fixed to the second frictional sheet mounting seat; a piston rod sleeved with butterfly shaped springs is arranged in the piston chamber; a first guide pressing plate is arranged in the first guide pressing plate chamber; the first guide pressing plate passes through a first through hole through a connecting rod and then is connected to the front end of the piston rod; a first frictional sheet is fixed to the front end of the first guide pressing plate; the piston chamber is a sealing chamber. According to the novel floating type disc shaped braking device, the brake housing is designed to be an integral structure, so that the distance from a rope baffle plate to a brake disc can be reduced; the cost of materials for manufacturing the device can be saved; the cost on infrastructures of a mine can be decreased; in addition, the device is stable and reliable in working.

Provided are an electric-powered actuator (DA) and an electric braking device with which it is possible to effectively operate a reverse-input holding mechanism, and to reduce cost. A control device (2) for this electric-powered actuator comprises: a motor angle estimation means (22a); and a reverse-input holding control unit (24) that has a function in which the electric-powered actuator controls a solenoid (16) when a load is applied, whereby an engagement part (15) is caused to engage with an engaged part and a parking brake mechanism (7) is placed in a reverse-input holding state, and a function in which the engagement part (15) is caused to disengage from the engaged part and the parking brake mechanism (7) is switched from the reverse-input holding state to a reverse-input holding release state. The reverse-input holding control unit (24) has an engagement intermediate control function unit (24a) that controls an estimated rotation angle so that, when the engagement part (15) is caused to engage with the engaged part, and when the engagement part (15) is disengaged from the engaged part, the engaged part and the engagement part (15) reach a set positional relationship within a fixed period of time.