156results about "Axially engaging brakes" patented technology

A braking system and control method are disclosed. The braking system includes a friction brake, a sensor unit, and a controller. The sensor unit is disposed on the brake pad assembly of the friction brake and includes a first sensor and a second sensor electrically connected to the first sensor.

The invention relates to a wheel brake device (1) for a brake system of a motor vehicle, having a brake holder (2), a brake caliper (3) mounted displaceably on the brake holder (2), a drivable actuator (4), in particular an electric machine, connected to the brake caliper (3), a first brake lining (5) displaceable by means of the actuator (4), a second brake lining (6) displaceable by means of the brake caliper (3), in particular connected with the brake caliper (3), and a brake disc (7), wherein the brake linings (5, 6) are associated with different sides (10, 11) of the brake disc (7) and are mounted so as to be displaceable towards one another in order to produce a braking force. According to the invention, the wheel brake device (1) has at least one first path-reversing linkage (12), and the brake linings (5, 6) are coupled resiliently to one another by means of the linkage (12).

This application provides a seal, a brake caliper, and an electromechanical brake. The brake caliper includes: a housing; a ball screw mechanism housed within the housing; and a first seal disposed circumferentially in a first groove on the inner wall of the housing. The first seal has a C-shaped cross-section and includes an outer flange, an inner flange, and a body connecting the outer flange and the inner flange. The outer flange of the first seal engages in the first groove of the housing, and the inner flange of the first seal abuts against the outer surface of the nut of the ball screw mechanism. The seal, brake caliper, and electromechanical brake according to embodiments provide improved sealing performance.

A disc brake for a commercial vehicle, comprising a brake caliper (1) extending over a brake disc, two brake pads (2) arranged therein, movable in opposite directions towards the brake disc, each having a pad carrier plate (3) and a friction lining (4) attached thereto, which are arranged under preload by pad retaining springs (8) formed from a spring wire in a pad recess (9) of a vehicle-side brake carrier (5) limited in the direction of rotation of the brake disc by brake carrier horns (6), is designed such that each pad retaining spring (8) has two legs (10, 12) in the same direction, connected at their ends by an axially twisted torsion section (13), the free ends of which are directed in opposite directions towards each other and angled apart from each other to form a plug element (11), both of which are attached to the associated pad carrier plate (3) or the brake carrier (5),while the torsion section (13) is supported on a component that is relatively radially movable, the plug-in elements (11) are offset from each other at a predetermined angle in the direction of rotation of the torsion section (13) before assembly when the torsion section (13) is relaxed.

The invention relates to a railway braking system including a brake cylinder, an actuation device configured to lock the brake cylinder in a braking position and an unlocking device configured to unlock the actuation device by actuation of a control mechanism which includes a control member movable in a first direction and housed in a casing of the unlocking device, and a blocking member mounted movable in a second direction perpendicular to the first direction and housed in the casing of the unlocking device, the control mechanism being configured so that, when the actuation device is in a locking position of the brake cylinder and the control member is urged and moved towards a maintenance position in which it is configured to make the actuation device pass into an unlocking position, the blocking member is urged and moved in a position in which it blocks the control member in position.

This invention relates to a disc brake (1) for commercial vehicles, the disc brake having a pneumatic brake cylinder (4), a brake disc, a brake caliper (3), a brake application device (7), and brake pads (8). The brake caliper (3) is engaged with the brake disc, and the brake application device (7), actuated by the brake cylinder (4), is arranged in the brake caliper (3). During braking, the brake pads (8) are pressed against the brake disc from both sides by the brake application device. An extendable and retractable piston rod (6) of the brake cylinder (4) engages with the brake application device (7), and the brake caliper (3) is secured by a fixing device (2). The device (2) is detachably fixed to the brake cylinder (4). It includes a screw (11a, 11b) with a screw head (12a, 12b), a screw shank (13a, 13b), and an external thread formed on the screw shank (13a, 13b). The device also includes at least one internally threaded hole (14a, 14b) formed in or on the brake cylinder (4). The screw shank (13a, 13b) is externally threaded into the at least one hole, and the screw head (12a, 12b) is locked onto the corresponding surface (15a, 15b) of the brake caliper (3). According to the invention, the centering device is designed and configured to center the pneumatic brake cylinder (4) and the brake caliper (3) relative to each other independently of the threaded connection between the at least one screw (13a, 13b) and the at least one hole (14a, 14b).

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.)

Friction unit (100) for a disc brake (300) of a vehicle, comprising: a support plate (1); and a friction lining (2) with a friction material layer (21) having a contact surface (21a) for contacting a disc (310) and a backing layer (22) having an inner surface (22a) oriented opposite to the contact surface (21a) and connected to the carrier plate (1), wherein the underlay layer (22) has at least one slot (3) which is formed in the inner surface (22a) and forms a cavity, wherein the underlay layer (22) has a predetermined thickness (t22), and wherein the at least one slot (3) has a depth (d3) which is less than the thickness (t22) of the underlay layer (22).

The invention is entitled "Brake Disc Liner with Bridging Member." In some examples, a drive liner for a drive slot of a brake disc includes a first liner member configured to cover a first surface of the drive slot, a second liner member configured to cover a second surface of the drive slot, and a bridging member configured to extend between the first liner member and the second liner member. The bridging member is configured to limit movement of the first liner member and the second liner member in a tangential direction of the brake disc when the bridging member extends from the first liner member to the second liner member. In some examples, the bridging member is configured to be in compression between the first liner member and the second liner member.

An actuator device (1) for a disc brake (2) comprises a piston (7), a first ball-in-ramp motion converter (100), having a first ramp portion (101) axially constrained and rotatable around the actuation axis (8), a second ramp portion (102) coupled with the piston (7), and a plurality of rolling elements (29) interposed in contact between ramp tracks (103) formed by the first (101 ) and second ramp portions (102), a second motion converter (4) of screw and nut type, connected between the second ramp portion (102) and the piston (7), a torque limiter (10) which provides a torsional connection between the first ramp portion (101) and the second ramp portion (102), allowing their rotation in unison around the actuation axis (8) until a predetermined torque threshold is reached in said torsional connection, and decoupling the rotation of the first ramp portion (101) relative to the second ramp portion (102) around the actuation axis (8) upon exceeding the predetermined torque threshold, as well as a position sensor (64) configured to detect a position of the second ramp portion (102) and to generate a detected position signal of the second ramp portion (102).

The present invention relates to a clamping device for a braking system configured to effect relative movement between friction elements using an electric actuator, comprising a conversion mechanism (15) that includes a nut connected to a screw (17) by a plurality of balls to convert the rotational movement of the output shaft of the electric actuator into a translational movement of the ball screw type, and a decoupling mechanism (19) in the radial and / or tangential direction of a stopper (11) configured to receive a friction element with respect to the free end (17a) of the screw (17) of the conversion mechanism (15) in order to improve the mechanical strength of the conversion mechanism (15).

An electromechanical dry brake caliper; a planetary roller lead screw assembly is installed within a cylinder bore of the brake caliper assembly, and a motor and a reduction gear are connected to the planetary roller lead screw assembly; the planetary roller lead screw assembly comprises a lead screw, a nut, and rollers mounted between the lead screw and nut, the rollers are installed on a cage positioned between the lead screw and nut, with a torsion spring installed between the cage and nut; the nut has a first anti-rotation projection, and the cage has a second anti-rotation projection matching the first anti-rotation projection, elastic force of the torsion spring causes a side of the first anti-rotation projection on the nut to be in contact with a side of the second anti-rotation projection on the cage, at which time the rollers and the cage are in their initial positions.

The invention relates to a bearing coupling ring (10) for supporting a return shaft (120) of a disc brake, wherein the bearing coupling ring (10) extends around an annular axis (12), the bearing coupling ring (10) comprising: an annular shell side (20) facing away from the annular axis (12) and an annular inner side (22) facing the annular axis (12), a radial fixing support (26) arranged on the annular shell side (20), a first axial stop surface (28) arranged on the annular shell side (20), a first receiving surface (34) arranged on the annular inner side (22) and rotating around the annular axis (12), a second axial stop surface (42) arranged on the annular inner side (22), and several axial coupling claws (58), characterized in that the bearing coupling ring (10) further comprises: a second receiving surface (34) arranged on the annular inner side (22) and rotating around the annular axis (12). Recording area (48),wherein the second receiving surface (48) is designed spaced apart from the first receiving surface (34), the coupling claws (58) extend the second receiving surface (48) axially in sections, and the bearing coupling ring (10) is formed in one piece.

To provide an electromechanical brake with an even longer service life. [Solution] The present invention relates to an electromechanical brake (10) for an automobile. The electromechanical brake (10) includes an electric motor (14), which rotates a spindle (22) located in a brake caliper housing (16) of a spindle drive unit (26), thereby causing the spindle nut to exert a braking force (F B The brake caliper housing (16) is displaceable in the axial direction (40) to apply a force (F). An elastic region (46) is formed in the spindle (22), which has increased radial flexibility compared to other parts of the spindle (22), thereby allowing the spindle (22) to withstand a radial force (F) at the spindle nut (38). R It undergoes radial bending under the conditions of ).

The invention relates to a multi-plate brake / clutch with a disc pack (1) and an actuator with which the disc pack (1) can be subjected to a contact pressure, and with an adjusting device (15) by means of which an excess of clearance formed in the disc pack (1) due to wear can be reduced. According to the invention, the adjusting device (15) is a ramp unit (21) formed between the disc pack (1) and the actuator (3) with at least one surface ramp (25) that is fixed to rotation about a disc brake axis and an axially adjacent rotatable surface ramp (23). When the rotatable surface ramp (23) is actuated, the ramp unit (21) expands axially by an adjustment travel (n) by compensating for the excess of clearance.

The invention relates to a vehicle brake, a vehicle and a method for installing a vehicle brake. The vehicle brake is in particular a commercial vehicle disc brake, which has a brake carrier with at least one brake pad receptacle, at least one brake pad guided and supported in an axially movable manner within the brake pad receptacle, and a brake caliper which is axially movable relative to the brake carrier. According to the invention it is proposed that the brake carrier is structurally reinforced on the exit side relative to the entry side and at least one running direction marking for indicating the first rotational direction is arranged on the brake carrier.

The present invention relates to a caliper body (1) in which a screw seat (5) for accommodating a connecting screw (6) extends along a screw seat direction (S-S). The screw seat (5) is surrounded by a screw head support surface (9). The caliper body (1) comprises a pin seat (10) adapted to accommodate pins (11) that support opposing brake pads (4) and enable their sliding. The pin seat (10) extends along a first direction (P-P). The screw head support surface (9) defines a first extension (12) extending along the screw seat direction (S-S). The pin seat (10) defines a second extension (13) extending along the pin seat direction (P-P). The first extension (12) intersects the second extension (13).

The application relates to the technical field of filtering equipment, in particular to a brake dust filtering device which comprises a dust collecting cover installed on one side of a brake close to the direction of vehicle travel, the dust collecting cover is wrapped on a brake disc, a filter screen one for filtering impurities is arranged in the dust collecting cover, a plurality of through holes two are formed in the side wall of the dust collecting cover, a wind guide cylinder is installed on the outer side wall of the dust collecting cover, the wind guide cylinder comprises cylinder sections one, two and three which are connected in head-to-tail mode, the bottom end of the cylinder section one is inclined to the direction away from the brake, the cylinder section two spans the dust collecting cover, the bottom end of the cylinder section three is inclined to the direction close to the brake, and the cylinder section one and the cylinder section three are both provided with wind guide holes which are communicated with the through holes two. The application has the effect of improving the heat dissipation efficiency of the filter.

Provided is an electric brake device equipped with a parking brake mechanism which exhibits excellent controllability, and achieves miniaturization with a simple structure. The parking brake mechanism provided to a disk brake is equipped with a solenoid actuator that serves as a switch mechanism for moving a first reduction gear and a large-diameter gear of a second reduction gear relative to each other along the axial direction thereof, and is configured to generate or not to generate a gap between a thick tooth part of the large-diameter gear of the second reduction gear and each tooth part of the first reduction gear 34 by the operation of the solenoid actuator. With this configuration, said parking brake mechanism is capable of exhibiting excellent controllability and achieving miniaturization with a simple structure.

An electro-hydraulic actuator, includes: a motor 3 configured to output rotative power; an external gear pump 7 configured to be activated by the motor; a hydraulic actuator 5 configured to be operated by a pressurized working fluid supplied by the external gear pump; a manifold block 6 in which a flow channel forming a working fluid circuit of the hydraulic actuator is incorporated; a first portion configured to store the motor; a second portion configured to store the external gear pump, the hydraulic actuator, and a reservoir; and a coupling portion 2 configured to couple the first portion and the second portion with each other in a liquid-tight state, wherein the coupling portion includes a communication hole 21 through which the first portion and the second portion communicate with each other, a rotational shaft 31 of the motor and a driving shaft 71 of the external gear pump are joined to each other in the communication hole, and the external gear pump is attached to the coupling portion while being stored in the manifold block.

A failure prediction device (2) predicts failure of an electromagnetic brake. The failure prediction device (2) comprises: a data storage unit (22) that stores a first current value which is the value of a current measured in a first region which is a period in which a current flowing through an excitation coil increases from the start of voltage application to an excitation coil, and a second current value that is the value of a current measured in a second region that is a period in which the current increases to a steady value after the first region; an estimation unit (24) that estimates a wear amount of a lining material on the basis of a first induction coefficient which is an induction coefficient in the first region of a circuit including the excitation coil and is obtained on the basis of the first current value, and a second induction coefficient which is an induction coefficient in the second region of the circuit and is obtained on the basis the second current value; and an estimation result output unit (25) that outputs the estimation result by the estimation unit (24).

A brake caliper (10) for a vehicle is herein disclosed. The brake caliper comprises a groove operable to house a brake seal (14), wherein the brake caliper comprises at least one piston (12) operable to move with respect to the caliper so as to urge a brake pad from a position of disengagement with a brake disc to a position of engagement with the brake disc; the groove comprises a leading face (16) operable to engage with the seal when the piston is engaged with the brake pad, a rear face (18) opposite the leading face, and a groove floor face (20), said seal being housed within the groove and a surface of the piston, wherein substantially the entirety of the leading face is disposed at an acute angle with respect to the surface of the piston.

Guide element (400) for a vehicle disc brake (1000) for arrangement between a brake pad assembly (300, 302) and a brake carrier (200) of the vehicle disc brake (1000), wherein the guide element (400) has a guide section (402) and a receiving section (414), wherein the guide section (402) is designed to guide the brake pad assembly (300, 302) on the brake carrier (200), wherein the receiving section (414) defines a receiving area (AB) for receiving a projection (V) of the brake carrier (200), and wherein the receiving section (414) has at least one centering element (416) projecting into the receiving area (AB), wherein the recording section (414) is formed by a roof surface (412), an intermediate surface (408) and a mounting surface (410), wherein the roof surface (412), the intermediate surface (408) and the mounting surface (410) define the recording area (AB) between them, wherein at least one centering element (416) extends at least substantially perpendicular to the roof surface (412) and the intermediate surface (408) and wherein at least one centering element (416) tapers in a trapezoidal shape towards its end projecting into the receiving area (AB) and thus becomes smaller towards its end.

The invention relates to a method for producing an electromechanical brake device (1) for a motor vehicle, comprising at least one electric brake actuator (4) having an electromechanical adjustment device (3), which can adjust a brake component (32) and can bring it into braking engagement with a mating brake component (2), the brake actuator (4) can be controlled by an electric control unit (100). In order to allow efficient manufacturing, the method according to the invention comprises the following steps: providing a brake housing (45) comprising an adjustment device (3); fixing an electrical control unit (100) to the brake housing (45) and electrically connecting the control unit (100) to the brake actuator (4); the control housing (101) is attached to the brake housing (45) such that the control unit (100) is enclosed between the control housing (101) and the brake housing (45).

The invention relates to an electromechanical brake (10) for a motor vehicle. The electromechanical brake (10) comprises an electric motor (18) which rotaryly drives a spindle drive unit (50) arranged in a brake caliper housing (22), so that a brake actuator (66) is displaceable in an axial direction (62) of the brake caliper housing (22) for applying a braking force. A motor housing (14) arranged on the brake caliper housing (22) accommodates the electric motor (18), and a control unit housing (78) of a control unit (82) controlling the electric motor (18) is arranged on the motor housing (14). The motor housing (14) is made of a metal material which forms a cup-shaped receiving chamber (70) in which the electric motor (18) is received. The motor housing (14) is closed over the control unit housing (78), and the motor housing (14) is formed by a cup extrusion step.

A traveling device (11) includes a coupling (38) for joint between a motor shaft (14) and a rotation shaft (15), a coupling housing (46) that fits on an outer peripheral surface of the coupling (38), a coupling oil passage (43) that is provided in the coupling (38) to supply lubricating oil (L) to spline coupling portions (39A), (40A) between the motor shaft (14) and the rotation shaft (15) and the coupling (38), and a housing oil passage (47) that is provided in the coupling housing (46) to introduce part of the lubricating oil (L) to the coupling oil passage (43). The coupling housing (46) is provided with an oil reservoir portion (50) for storing the lubricating oil (L) that is supplied to the spline coupling portions (39A), (40A) between the motor shaft (14) and rotation shaft (15) and the coupling (38). The oil reservoir portion (50) is shaped so that a capacity of a portion, which is positioned on the radially upper side of the coupling housing (46), of the oil reservoir portion (50) is made larger.

A brake caliper for a disc brake of a vehicle, comprising a caliper body (2) housing at least one piston (3); a first friction pad (5) and a second friction pad (6) configured to receive a disc brake (101), wherein the at least one piston (3) is configured to urge the friction pads (5, 6) towards respective faces (101a, 101b) of the disc brake (101) during a braking event; and heat dissipation means (7) configured to dissipate the heat produced during said event. The heat dissipation means (7) comprise a heat accumulation portion (71) in contact with at least one friction pad (5, 6), configured to accumulate the heat produced in said friction pad (5, 6); and a heat dissipation portion (72) in contact with the heat accumulation portion (71), configured to dissipate the heat accumulated in the heat accumulation portion (71) towards the outside of the brake caliper (1).