Abstract: An arrangement for supplying cooling air to a brake disk of a front wheel brake comprises an air guiding duct that is developed to be partially flexible and, on the inlet side, has an air opening in the front end of a motor vehicle and, on the outlet side, has another air opening that is directed at the brake disk. Two air inlet openings in a brake disk guard plate are opposite said air opening and form a separate transversely directed air guiding system to the brake disk. The air guiding duct is provided with several rigid duct portions that are held so that they are be fixed at the vehicle, namely at the vehicle body, as well as at the wheel, namely at the wishbone, as well as adjacent to the brake disk at a guard plate. They are each connected with one another via flexible intermediate duct portions, in which case the rigid duct portions can be moved relative to one another together with their assorted vehicle components.

Abstract: An internally stradding type disc brake for automotive vehicle is disclosed including a brake ring having opposing friction surfaces and spaced apart connecting elements extending radially from the periphery of the brake ring. A brake carrier having spaced apart axially extending connecting sections is provided for wherein each connecting section extends across a space between adjacent connecting elements of the brake ring and are welded to the connecting elements on opposite side of the space.

Abstract: An internally straddling type disc brake for automotive vehicles is disclosed including a cast brake ring having two spaced apart sectional friction brake rings defining two braking surfaces separated by a plurality of axial ribs defining a plurality of peripheral cooling ducts between the sectional friction rings. At least two peripheral radial connecting elements extend from the ribs centrally between the sectional friction brake rings and are connected to corresponding connecting sections on a brake carrier.

Abstract: An armature rotor for an electromagnetic retarder includes at least one disk (2) made from a ferromagnetic material connected to an inner fixing ring (7) by an annulus of arms (9) forming ventilation fins, the largest diameter portions of these arms projecting axially from the face of the disk opposite the air gap (E), and the crests of these portions being joined together by an annular web (10), the assembly formed by the disk, the ring, the arms and the web being formed of a single molded block. The maximum outer diameter of the ventilation stucture formed by the arms and the web is greater than the outer diameter of the disk, considered at the level of the mean plane of this disk. Two thin collars (13 and 14) defining therebetween a groove (15) extend the two axial faces of the disk radially outwardly.

Abstract: To improve the cooling of the rotor armature (2), of an electromagnetic brake, joined to an outer flange (11) by a ring of ventilating fins, these fins are constituted by two or three rings of incurved tiles (9.sub.1, 9.sub.2, 9.sub.3) straddling radially in part.

Abstract: The disc brake comprises a cup-shaped disc carrier (20) which has a base member (22) secured to a wheel hub (14) and a drum-type member (24) extending axially inwardly at a small radial spacing from a wheel rim (30) and being firmly connected to the radially outer edge (48) of a brake disc (50). A stationary wheel bearing box (10) supports a brake caliper (54) which straddles the radially inner edge of the brake disc (50), supports brake pads (60) disposed at either side of the brake disc, and comprises an acutating device (62) at least at one side of the brake disc (50). The base member (22) of the disc carrier (20) is designed as a web of the wheel. The wheel rim (30) has a foot portion (38) which is fixed to the radially outer edge of the base member (22). The vent passages (26) begin at the base member (22) near the wheel hub (14 ) and near the foot portion (38) of the rim.

Abstract: A rotor for a disc brake assembly is provided with a first portion (52) adapted for attachment to a wheel assembly (28), a second portion (54) engageable with at least a pair of friction elements and a connecting portion (56) extending between the first and second portions. The second portion (54) defines an inboard surface (60) and an outboard surface (64) facing the first portion (52). The connecting portion (56) cooperates with the second portion (54) to define a heat sink (78) at the radially inner edge of the inboard surface (60) to substantially offset tilting of the second portion toward the first portion in response to temperature expansion of the rotor second portion (54).

Abstract: A disc brake assembly for the front or rear wheel of a motorcycle including a brake disc having pairs of projections located on its periphery at 120.degree. intervals. The pairs of projections may be placed on either the outer periphery or the inner periphery of the brake disc. The projections define open ended recesses receiving bosses formed integrally with the wheel hub, and partially surrounded by hardened retainers and structural members. A bolt threaded into each boss prevents disassembly of the bosses and recesses but is not subjected to forces caused by thermal expansion of the brake disc during braking. One or more hydraulically activated stationary calipers clamp non-rotary brake pads frictionally against opposite faces of each brake disc. Provisions are made for cooling the brake disc by atmospheric air.

Abstract: A cooling device is provided for a vehicle having disc brakes which are disposed within a wheel rim cover portion of the vehicle's wheels. One type of disc brake for which the cooling device is designed is that type having generally radially extending internal air ducts between its friction rings through which air can flow for cooling the brake. The air is supplied to the brake through overflow ducts in the vehicle's wheel hub, and is conducted via a guide device from the inside of the wheel, through the brake unit. The guide device includes an air guide housing which surrounds the brake disc generally on all sides in a close, spaced relation to the disc. First and second external air ducts are formed between a wall of the housing and the friction rings of the brake disc. The housing includes an outer member having at least two influx openings. The influx openings conduct air, from inside the wheels, to the overflow ducts in the wheel hub, the external ducts, and the internal ducts.

Abstract: The disc consists of a core (1), being a hub (3) surrounded by spokes (2), and friction pads in the form of annular sectors (8) having recesses (15, 16) in their inside backs (10) to cooperate with the spokes (2) in providing radial guidance and angular locking. Elastic means are provided for removably axially mounting the sectors on the core (1), which elastic means (19, 6) also serve to removably radially mount the sectors on the core.

Abstract: A wheel brake cooling apparatus for aircraft comprises a clamp assembly (14) for attachment to an aircraft tire (12), a duct (22) with a seal (30) which mates with the wheel hub (2) and contains an axial flow fan (32), the duct being suspended from clamp assembly by a hooked assembly (18) fixed to struts (36) which brace the duct. When activated, the fan draws air through the wheel brakes and wheel hub preventing tire damage after high energy stops.

Abstract: A wheel hub assembly includes an internally ventilated brake disc. The brake disc is mounted on a flange-like extension of the inner bearing ring of the assembly. Slots are formed in the flange-like extension and the brake disc acts as a cover over the slots forming cooling channels extending radially outwardly in the wheel hub assembly to the cooling apertures in the radially outer part of the brake disc. A heat insulated cover disc can be positioned between the brake disc and the slots in the flange-like extension.

Abstract: A device for cooling the wheels of motor vehicles which are equipped with disc brakes mounted on the wheels between the wheel centers and a cover plate. The rotors of the disc brakes are fastened to the wheel flange of the wheel hub by a pot-shaped part which delimits radially an annular space opening in the direction of the cover plate. The cover plate is provided with openings through which a cooling air stream can enter the wheel space containing the brake. The wheel center is provided with openings near a rim portion thereof through which air can escape from the outer annular space left between the brake and wheel center. The annular space communicates through a space between the rim and the brake with an annular space delimited by the remaining space and the cover plate in the axial direction.

Abstract: An external, multi-caliper brake for positive torque controlling as well as for controlling the rotation of a shaft is shown in the preferred brake embodiment of this invention as having a hub arranged to be mounted to the shaft with a longitudinally centrally located, finned friction disc mounted to the hub. A brake housing supports multiple brake calipers which are shown as including diaphragm operated, fluid pressure actuated pistons carrying brake pads which are caused to frictionally engage with the friction disc to rotationally control the shaft. The preferred friction disc is formed of two opposed, interlaced, internally finned component discs to create a serpentine, radial and circumferential, air cooling path for the friction disc and provide better heat transfer and brake efficiency. Another embodiment includes double fins to better cool not only the friction disc but the external calipers themselves.

Abstract: A dustcover used in a disc brake of a vehicle for covering a disc rotor disposed in a wheel disc of cup shape from the opposite side of the wheel disc so as to protect the rotor from splashed mud water. The dustcover is provided with a pair of vent openings respectively open to the frontward direction and the rearward direction of the vehicle formed thereon at a lowered portion thereof than the rotational axis of the rotor. An air collecting portion is formed at the frontwardly open vent opening, gradually expanding in the air flowing area in the frontward direction of the vehicle. The front end of the air collecting portion is projected out of the cup-shaped wheel disc. The air collected by the air collecting portion is allowed to pass rearwardly through the dustcover right along the lower half portion of the rotor for cooling it.

Abstract: A disc brake assembly for use in a vehicle having an axle rotatably journaled in an axle housing wherein a rotatable brake disc is connected to a rim support for rotation along with a tire of the vehicle. A housing is attached to said axle housing and encompasses the brake disc. Such housing has a caliper member which straddles a portion of the outer periphery of the brake disc having piston means moveable into engagement with the brake disc. Coolant means are provided to said housing for directing a flow of coolant into said closed chamber for direction against the brake disc, which is then removed via an exhaust opening to atmosphere.

Abstract: The invention provides a protective shield device for a brake having a rotating braking element in the form of a ring or drum. The shield comprises a plate which extends opposite the face of at least a part of the rotating element of the brake, and a sheet part which extends the plate by running out from the plane of the latter to penetrate into the internal space of the rotating element in the immediate vicinity thereof. This provides an ejector for the brake which prevents solid particles such as grit entering the brake parts.The invention is particularly applicable to brakes designed for use in motor vehicles.

Abstract: Brake discs of carbon or other porous material in which the opposed faces of the discs are provided with shallow grooves extending between the inner and outer circumferences to vent steam and other gases generated during braking. The grooves of the stationary discs may be at different angles relative to the radii than are the grooves of the rotating discs.

Abstract: A brake disc rotor is formed from two disc shaped members with each disc having a flat surface and integrally formed fins extending from an opposing surface thereof. The ends of the fins are welded together to form the rotor. The fins of one member are welded to a convoluted outer rim section of a hat which is secured to a wheel bearing assembly.

Abstract: A fully coated disk brake with a brake housing carrier fastened to the wheel or its hub and revolving therewith. A brake housing is seated on the carrier and opens radially towards the outside. The housing accommodates brake rings, carrying a friction coat, fixedly in the peripheral direction, but axially displaceable, and capable of being pressed together by a tightening device for the purpose of braking. The brake housing carrier has distributed over its periphery carrier arms which extend in the axial direction. These carrier arms mount the brake rings and at their ends have abutments which restrict the axial movement of the brake rings. Between the brake rings are radially outward running air passage channels for the flow of cooling air between the carrier arms into the brake housing. The wheel hub may be constructed to serve as brake housing carrier.

Abstract: In a rotor for vehicle brakes, for example, discs for disc brakes and drums for shoe-drum brakes, the braking member is carried from one side of a driving component for connection to a wheel or shaft. The outer face of the member remote from the driving component comprises a braking surface which can be engaged by at least one friction member. The braking member comprises an annulus, and the driving component a cast mounting which is formed with a discontinuous abutment face with which the braking member is in direct intimate contact over a substantial area. Clamping members additional to and separate from the annulus and the mounting are provided for clamping the annulus against the abutment face to maintain the intimate contact between them.

Abstract: Air cooled brake disc having first and second disc-shaped face portions with each face portion having an outer braking surface and an inner surface. A plurality of radially disposed webs extend between the face portions from an inlet adjacent an inner portion of the disc to an outer portion of the disc, the webs defining with inner surfaces of the face portions radially extending cooling passages within the disc. A plurality of radially disposed cooling fins extend from opposite inner surfaces of each passage. Sums of cross sectional areas of inner and outer cooling passage portions defined in part by the cooling fins are generally equal to reduce air flow velocity variations within the cooling passages. In one embodiment, a clearance space extends between opposed edges of the fins adjacent a central diametrical plane of the disc.

Abstract: A disk brake and hub assembly for a vehicle wheel has an annular brake housing open at its radially exterior side and has circumferentially spaced openings in its radially inward side for air flow into the housing to cool the working parts of the brake assembly. The housing is formed of two complementary parts, one on the wheel side and the other spaced axially therefrom to leave a channel for the brake disks and fluid operated brake actuating parts. The two parts of the housing form radially extending walls which provide braking surfaces and at circumferentially spaced points have axially extending wall segments which provide a partially closed radially inward side for the housing. These wall segments are integral with yoke-shaped members which extend radially inwardly therefrom and are adapted to be fastened to circumferentially spaced extension arms of the hub flange to secure the housing to the hub for rotation therewith.

Abstract: Vanes in air openings in wheel disks impel air to cool wheel assembly. In dual paired wheels, such as on trucks, vanes are struck out parts of plate-like generally circular bodies interposed between wheel disks and secured by studs and nuts used to secure wheels on wheel hub.

Abstract: A fully lined disk brake adapted for use to advantage with a wheel of a light-weight passenger car has a radially outwardly open brake housing secured to a hub of the wheel by circumferentially spaced radial arms. The brake housing has a radially inward wall provided with spaced openings which communicate with openings between the radial arms which support the housing. A stepped ring responsive to fluid under pressure is disposed between the brake disks in the brake housing for actuation of the brakes. The stepped rings which form the brake actuating member are provided with axial projections having spaces therebetween which contact the brake shoes. Air for ventilating the brakes is drawn through the openings between the arms and in the inner wall of the housing and passes between the projection members on the stepped rings to ventilate the brake disk.

Abstract: A disc brake comprising a caliper carrying a pair of friction pads and including a hydraulic fluid motor which directly applies one of said pads against a corresponding face of a disc and, by reaction through a sliding connection between the caliper and a fixed support, the other pad against the other face of the disc is disclosed. Extraction of the pad adjacent of the fluid motor is possible through a radial aperture in the caliper by moving the pad in front of a recess provided in at least one of circumferentially spaced edges of the aperture, said aperture being offset towards the fluid motor. A removable heat shield is normally inserted between the fluid motor and its adjacent pad to avoid escape of the latter and to avoid boiling of the hydraulic fluid in the fluid motor due to heating of the brake.

Abstract: A power driven wheeled vehicle with a power source consisting of an internal combustion engine, a compressor section, a heat reservoir and driven motor located at the wheels. The said internal combustion engine drives the said compressor section which uses the said engine's exhaust and cooling air as the input source. The said compressor supplies the said reservoir which supplies the said drive motors through a control valve driving the wheels of the said vehicle.

Abstract: A dust shield for a disc brake according to the present disclosure has an arcuate portion positioned adjacent an annular braking surface of a disc brake rotor. The arcuate portion of the shield has a plurality of ventilation holes with an annular lip at the periphery of each hole. A plate extends across the arcuate shield portion and is spaced apart from the annular lips. The dust shield permits air to flow about the rotor for cooling purposes while reducing the contamination of the braking surfaces of the rotor by dirt particles carried by splashed road water and air.

Abstract: In an aircraft wheel and disc brake assembly wherein carbon rotor discs keyed to the wheel are interleaved with carbon stator discs keyed to a torque tube fixed to the axle and in which a fixed draught of air is passed through and around the disc pack, the consequential increase in oxidation of the carbon discs is obviated or minimized by the employment of heat shield members between the keys of the torque tube and the wheel rim which define passages for the flow of cooling air isolated from the disc pack. The keys of the torque tube may be hollow and may be formed with apertures whereby the interior communicates with the passages so that cooling air also passes through the interior of the torque tube keys.

Abstract: A wheel and bearing unit for a vehicle comprising inner and outer rings in between which two rows of rolling bodies and sealing means are applied. The outer or inner ring is connected to a member of a brake device while the inner forms a connecting means for the wheel and a shaft. The unit is characterized in that the wheel is mainly a conical shaped disc one side of which is smooth while the other side is provided with connecting means for connecting the disc to the bearing inner ring and brake device parts. The disc is further provided with air cooling apertures having edges which can lead cooling air streams mainly in the direction of the brake device.