Abstract: A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the suction side sections of the first suction portion of the nominal airfoil profile are coupled together to define the first suction portion, the airfoil includes an airfoil length along a Z axis, the first suction portion comprises a first portion length along the Z axis, the first portion length is less than or equal to the airfoil length, and the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances.

Abstract: A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the suction side sections of the first suction portion of the nominal airfoil profile are coupled together to define the first suction portion, the airfoil includes an airfoil length along a Z axis, the first suction portion comprises a first portion length along the Z axis, the first portion length is less than or equal to the airfoil length, and the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances.

Abstract: Apparatus and methods to deploy a fluid flow channel are disclosed herein. An example apparatus includes a first loop coupled to an outside surface of a vehicle via a first fastener, a second loop coupled to the vehicle and disposed a distance from the first loop, and a flexible material having a first end coupled to the first loop and a second end coupled to the second loop, where the flexible material is to form a fluid flow channel between the first loop and the second loop.

Abstract: A gas turbine engine includes a fan section having a single-stage fan, a core turbine engine, and a nacelle at least partially surrounding the fan of the fan section and the core turbine engine. The gas turbine engine also includes an outlet guide vane extending between a casing of the core turbine engine and the nacelle. The gas turbine engine is configured to define an acoustic ratio greater than or equal to 2.3, with the acoustic ratio being a ratio of an axial spacing between the trailing edge of the fan blade and the leading edge of the outlet guide vane at a radial location seventy-five percent (75%) along the span of the fan blade to the axial width of the fan blade also at the radial location seventy-five percent (75%) along the span of the fan blade.

Abstract: Provided is an energy storage structure, comprising a housing and a piston. An accommodating cavity and a piston cylinder part communicating with each other are arranged within the housing. The piston is slidably and sealingly arranged within the piston cylinder part for transferring impact energy. A self-pressure of an energy storage medium, arranged within the accommodating cavity and the piston cylinder part, acts on the piston, tending to push the piston to move. An energy storage structure provided by the present invention has a simple structure, is convenient for use, and can ensure that a thrust or impact force remains unchanged or slightly changes during operation, to achieve stable release of potential energy. Moreover, the adjustment of the thrust or impact force can be achieved by changing the temperature of the energy storage medium in the accommodating cavity, thereby achieving change in total impact energy of the energy storage structure.

Abstract: A control system may receive sensor data indicative of respective fluid levels of two or more hydraulic accumulators configured to operate at respective target fluid levels within a hydraulic system. The control system may determine respective errors of the hydraulic accumulators based on the respective fluid levels and respective target fluid levels of the hydraulic accumulators. The respective errors may correspond to pressure errors, fluid volume errors, or other types of errors of the hydraulic accumulators.

Abstract: A valve device includes a valve body, a drain chamber wall configured to define a drain chamber, a drain port formed in the drain chamber wall facing the valving element, and a drain passage configured to guide drain fluid from another valve device to the drain chamber, wherein at least one of the drain chamber wall and the valving element includes a communicating passage configured to allow the drain port to communicate with the drain chamber when the movement of the valving element is restricted by the drain chamber wall.

Abstract: A hydraulic excavator is equipped with: an arm cylinder driven by a hydraulic working fluid from a hydraulic pump; a meter-out passage through which the hydraulic working fluid discharged from the arm cylinder flows; a control valve controlling the hydraulic fluid flow rate of the meter-out passage; a pressure sensor detecting a load acting on the arm cylinder; a pressure sensor detecting an operation amount of an operation device operating the arm cylinder; and a controller. The controller alternatively selects a normal operation mode in which the opening area of the control valve is controlled based on an actuator load and the operation amount, and a substitution operation mode in which the opening area of the control valve is controlled based on the operation amount. When the substitution operation mode is selected, a delivery flow rate of the hydraulic pump is further increased as compared with the normal operation mode.

Abstract: Embodiments provide systems and methods for releasing grey water from an aircraft sink or sump using an improved waste water air stop valve. The valves described herein allow drainage of waste water, without air leakage. Additionally, if drainage in the piping is blocked, the valves are designed to ensure that water cannot flow back into the sinks or sumps.

Abstract: An actuator control arrangement is provided comprising a pair of rotary control valves used in combination to control the operation of an actuator. The rotary control valves are driven synchronously through a hydraulic or mechanical coupling. Each rotary control valve has a by-pass mode which activates in the event of a jam. In addition each rotary control valve has a mechanism for activating the by-pass mode absent any jam. The actuator control arrangement further comprises a circuit coupling a pilot control and/or a flight control computer (FCC) to one or both of the mechanisms for remotely switching the rotary control valve(s) from an active mode to a by-pass mode under control of a pilot or FCC.

Abstract: A high capacity radial-fit coupling bolt (or “expanding sleeve bolt”) has a pair of tapered sleeves about a shank of a bolt to which can be applied a tensioning load. An extrudable ring, or a compression ring, is interposed between a head nut or head flange at one end of the shank, and one end of an inner sleeve. A tensioning load is applied to the shank, the inner sleeve causing the outer sleeve to expand diametrically. At a preset load limit, the extrudable ring is extruded through at least one bore in a drive piston between the head nut and the extrudable ring, to allow shank to move relative to the inner sleeve until the tensioning load is fully applied. Alternatively, a drive member is provided between the head nut or head flange and the compression ring, and at a preset limit, the compression ring allows the shank to move relative to inner sleeve until the tensioning load is fully applied. The preset limit will typically correspond to the force required to fully expand the outer sleeve.

Abstract: A fastening system for joining a first composite sandwich panel and a second composite sandwich panel comprising a cam assembly and a stud receiving assembly. The cam assembly is configured to be positioned within a first hole extending through a thickness of a first composite sandwich panel. The cam assembly comprises a housing and a cam connector rotatable within the housing. The cam connector is configured to engage a head of a stud. The stud receiving assembly is configured to be positioned within a second hole extending through a thickness of a second composite sandwich panel. The stud receiving assembly has internal retaining channels configured to secure a first end of the stud.

Abstract: Provided are a connector and a connection system for concrete barriers. The connector is configured to slip-fit into a cross-shaped gap formed between the concrete barriers. The connector includes a saddle member and a fork member. The saddle member includes a base plate and peripheral plates. The peripheral plates extend at angles from the base plate to define open ends of the saddle member. The fork member extends below the base plate of the saddle member. The fork member includes an elongated base, flanges, and legs. The elongated base extends between the peripheral plates. The flanges are transverse to the elongated base forming a cross-shaped structure with the flanges that extend toward the open ends of the saddle member. The legs extend separately from the elongated base.

Abstract: A spring clip upright connection for rack shelving includes one upright with tabs and square cutouts and another upright with slots with metal spring clips. As the tabs of one upright are inserted into the slots of the other upright, the uprights are aligned and the spring metal clips open up. When the tabs are fully inserted, the clips latch into the cutouts of the slots of the other upright thereby engaging the upright sections together. This latching prevents one upright from being removed from the other upright while the slots and tabs maintain the appropriate alignment of the uprights.

Abstract: A fastener includes a head portion, a leg portion, and an easily deformable portion. The head portion is formed in a cylindrical shape with an oval shape in an axial view. The leg portion has one end portion in an axial direction that is connected to a back surface of the head portion. The leg portion is formed in a hollow cylindrical shape with an oval shape in the axial view whose minor axis direction is the same as a minor axis direction of the oval shape of the head portion. The easily deformable portion is provided to a pair of major-axis leg portions which are portions crossing a major axis in the leg portion.

Abstract: Embodiments of the present invention provide a screw and driver system comprising a range of screws and a driver for said range. Each screw comprises a head having a driving recess in its surface for engagement by said driver. Each recess has a recess longitudinal axis. The recess of larger screws in the range has a plurality of superimposed recess-tiers of decreasing size with increasing depth from said surface, each recess-tier except the smallest having substantially parallel driving surfaces substantially parallel said recess longitudinal axis. The driving head of the driver has a driver longitudinal axis and a plurality of superimposed drive-tiers of decreasing size towards a tip of the driver, each drive-tier except the smallest having substantially parallel driving surfaces substantially parallel said longitudinal axis.

Abstract: A screw has a shaft section which extends axially, a screw thread at the shaft section, which screw thread has thread turns that extend radially starting from the shaft section, a screw tip section which connects to the shaft section, at least one first scraping edge at the screw tip section, and at least one second scraping edge in a region of the shaft section adjacent to the screw tip section. The at least one first scraping edge and the at least one second scraping edge are spaced at a distance from each other and extend in an axial direction over different areas of the screw.

Abstract: This fastener assembly includes a body, an elongated member and a split wedge. The body defines a cavity that converges. An access opening at a small end provides access to the cavity. The member has a circumferential external profile at one end. The split wedge has two or more wedge segments with a flexible hinge connecting each of the wedge segments. Each of the wedge segments has an internal profile. The member is inserted through the access opening into the cavity of the body, and the wedge segments of the split wedge are positioned circumferentially around the member and then the split wedge is wedged in the cavity to maintain the external profile of the member engaged with the internal profile of the wedge segments of the split wedge.

Abstract: In various representative aspects, an assembly for securing a solar panel rail and rail-less support structures to a shingle roof. More specifically, the apparatus includes a connection bracket and flashing device for use in installing solar panel rail support structures. The connection bracket is secured to the flashing device by rotating its base around a threaded connection until it locks in place so that a solar panel rail support guide can be connected to a generally U-shaped connection on the top of the bracket. The apparatus also offers an improved means to cover the penetration point on the flashing to protect it and prevent water from leaking into the roof as well as an improved way to install the apparatus over existing products. An alternate embodiment of the apparatus is offered to support a rail-less pivot mount as well.

Abstract: A crankshaft for an in-line internal combustion engine includes at least two bearing points, and crank throws which include a first and a last crank throw. Each of the crank throws includes a counter-weight element. The first and the last crank throw each additionally include an additional weight. The crank throws are arranged angularly offset with respect to each other so that at least two of the crank throws are arranged in angular coincidence with each other. The crank throws and their respective counter-weight elements are arranged to provide for a mass balance. The first and the last crank throw, as seen in an axial direction of the crankshaft, are arranged in angular coincidence with each other. The additional weight of the first and the last crank throw are arranged in a mirrored manner, as seen in the axial direction of the crankshaft.

Abstract: A rotatable connection for a mount device for placement in an operating room includes an adjustable stopping mechanism that can be disposed between a first connection component and a second connection component that is mounted rotatably relative to the first connection component about an axis of rotation. The adjustable stopping mechanism may be adapted to establish at least two different relative rotational angles of the connection components relative to one another or at least two different rotation ranges. The adjustable stopping mechanism includes a rotation lock that can be disposed non-rotatingly at the first connection component and a coupling part that can be disposed non-rotatingly at the second connection component and that has a form-locking contour for establishing individual rotational angle positions, and may include a stopping device with an integral stop. The stopping device may be non-rotatingly positionable. A support system or mount device are also provided.

Abstract: Provided is a sliding bearing wherein radial play is prevented. A sliding bearing (1) comprises: an upper case (2) mounted to an upper support for mounting the strut assembly of a strut-type suspension to a vehicle body; a lower case (3) which is mounted to an upper spring seat for supporting the upper end of the coil spring of the strut-type suspension, is combined with the upper case (2) so that the upper case (2) and the lower case (3) can pivot relative to each other, and forms an annular space (5) between the upper case (2) and the lower case (3) ; and an annular center plate (4) disposed in the annular space (5) and enabling the upper case (2) and the lower case (3) to pivot relative to each other. The center plate (4) has a circular conical surface-shaped bearing surface (41). The upper case (2) has a circular conical surface-shaped load transmission surface (27) sliding on the bearing surface (42) of the center plate (4).

Abstract: A temperature compensation ring configured to compensate for a temperature-dependent distance change between two components includes a base body made from an elastic material, and at least a section of at least one surface of the base body is configured to reduce a friction in the axial direction between the temperature compensation ring and an abutment surface, by, for example, being coated with a friction reducing coating and/or by including one or more grooves for receiving a lubricant.

Abstract: To provide a rolling bearing having excellent rust prevention capability and capable of being used for a long period of time in a highly corrosion environment. A rolling bearing 1 utilized for a power generator which generates power from natural energy or for generator equipment has one or more bearing members which form the bearing having a rust prevention film formed in a predetermined region of a surface of a base material. The rust prevention film is formed by a porous film with a sacrificial anode action against the base material in the whole of the predetermined region. The porous film in a part or the whole of the predetermined region is subjected to sealing treatment which impregnates the porous film with a sealing treatment agent from a surface of the porous film. A surface of a sealing treatment body obtained from the porous film subjected to the sealing treatment is subjected to first coating treatment which coats the surface of the sealing treatment body with epoxy resin coating.

Abstract: The present invention relates to a retainer for a bearing. The retainer is entirely formed into an annular shape and has a crown shape. The retainer includes pockets (15c) which are formed at a plurality of locations in a circumferential direction of the retainer and are each opened on a radially outer side and a radially inner side. The pockets (15c) retain balls (14) being rolling elements so that the balls (14) are rollable. A grease flow-in passage (22) is provided between an inner surface (18) of each of the plurality of pockets and each of the balls.

Abstract: A fixed type constant velocity universal joint includes an outer joint member including a cup section and a hollow shaft section, an inner joint member having a radially inner hole to allow one end of a shaft to be coupled thereto, and torque transmitting balls arranged in ball tracks formed of pairs of track grooves of the outer and inner joint members. The universal joint also includes a cage interposed between a radially inner surface of the outer joint member and a radially outer surface of the inner joint member and configured to retain the torque transmitting balls, and a stopper that regulates a maximum operating angle. The stopper is inserted into the hollow shaft section until the universal joint is mounted to a joint mounting device after the torque transmitting balls are incorporated and then the shaft is mounted to the universal joint.

Abstract: A coupling apparatus includes a bellows, two rings and two axle-connecting elements. The bellows includes two ends and two rolled edges each formed at a corresponding one of the ends. Each of the rings is connected to a corresponding one of the ends of bellows. Each of the axle-connecting elements is connected to a corresponding one of the rings.

Abstract: A clutch which reacts to torque overload has a ribbed disc which is produced by plastics injection moulding and which is, along its inner or outer periphery, encapsulated in encircling fashion and on both axial side surfaces by an encompassing ring. Said encompassing ring, owing to shrinkage as a result of cooling, enters into static friction engagement with the ribbed disc, and furthermore engages, by means of bevelled flanks, with ribs running radially on at least one of the side surfaces of the ribbed disc.

Abstract: According to embodiments of the present disclosure, a clutch pack is provided. The clutch pack includes a first set of clutch plates arranged in an alternating configuration with a second set of clutch plates. The first set of clutch plates has a plurality of friction pads made of friction material and defining channels in the friction material. The channels are configured to allow lubricant to flow between the friction pads. Each of the friction pads defines a groove in the friction pad. The groove is disconnected from the channels. The groove thereby creates a flow induced high pressure region forcing the first set of clutch plates to a center between the second set of clutch plates.

Abstract: An indexing assembly for a snowmobile drive clutch assembly includes an adapter collar having a first portion which is hexagonal in cross section for mounting in the index socket of the drive clutch housing which normally receives a conventional indexing bolt therein. The adapter collar defines a first indexing surface which mates with a corresponding second indexing surface of the indexing head of an auxiliary bolt which replaces the conventional indexing bolt to define an eccentric cam surface which defines the ramp angle of a flyweight ramp member of the drive clutch that can be adjusted through a greater number of mating positions than the conventional indexing bolt. A difference in ramp angle between sequential mating positions of the auxiliary bolt can thus be made smaller than the difference in ramp angle between sequential mating positions of the conventional indexing bolt.

Abstract: A multiple-stage ball ramp actuator includes an axially movable outer ring having at least one outer groove and an outer ball disposed in the outer groove. The multiple-stage ball ramp actuator further includes an axially movable inner ring rotatably fixed relative to the outer ring. The inner ring has at least one inner groove and an inner ball disposed in the inner groove.

Abstract: A method of disconnecting a generator from a source of mechanical rotation includes receiving a generator disconnect command and receiving a rotational position of a generator input member. The input member rotational angle is compared to the target disconnect angle range, and a determination made whether to disconnect the input member from a generator drive member based on the comparison.

Abstract: An engine accessory with a wrap spring clutch, which is configured for selectively transmitting rotary power between a drive member and a shaft, and an actuator that is configured to selectively control the clutch. The actuator has first and second rotary flux elements, a clutch control ring and an electromagnet. The first rotary flux element is rotatably coupled to the drive member and has a plurality of first teeth that are spaced circumferentially about the rotary axis. The clutch control ring is rotatable about the rotary axis and is coupled to the tang of the wrap spring. The second rotary flux element is rotatably coupled to the clutch control ring. The second rotary flux element has a plurality of second teeth that are spaced circumferentially about the rotary axis. The electromagnet is selectively operable to generate a magnetic field that is transmitted between the first and second teeth.

Abstract: An electronic, high-efficiency vehicular transmission, an overrunning, non-friction coupling and control assembly and switchable linear actuator device for use in the assembly and the transmission are provided. The device controls the operating mode of at least one non-friction coupling assembly. The device has a plurality of magnetic sources which produce corresponding magnetic fields to create a net translational force. The net translational force comprises a first translational force caused by energization of at least one electromagnetic source and a magnetic latching force based upon linear position of a permanent magnet source along an axis.

Abstract: A method for adjusting and adapting an operating point of a hydraulic actuator arrangement, in which a volume flow source is connected to a hydraulic cylinder via a pressure line that is filled with a hydraulic fluid. The method includes regulating a volume of the hydraulic fluid by the volume flow source, wherein an operating point of a position of the actuator arrangement corresponds, with respect to a predefined parameter, to a device which is to be actuated by the actuator arrangement. A modified volume of the hydraulic fluid which is necessary to adjust the operating point is derived from a rotational position of a volume flow source motor and/or of the volume flow source.

Abstract: A system and method for operating a vehicle equipped with an automatic stop and start system is disclosed. The vehicle includes an internal combustion engine, an automatic transmission and a fluid launch device with an impeller disconnect clutch. A controller may initiate an automatic stop or start of the engine under certain operating conditions. During an engine start/stop event, the engine is automatically shut down and the impeller clutch of the fluid launch device may be disengaged to decouple the engine and transmission from the driveline to provide for improved fuel economy and reduced emissions.

Abstract: A disk brake includes a brake disc, a brake shaft having a rotation axis that lies parallel to a main plane of the brake disc, a brake pad lying on a same side as the brake shaft relative to the brake disc, a pressure piece disposed between the brake shaft and the brake pad, a first limiting device configured to limit, to a predefined first extent, the displaceability of the pressure piece relative to the brake disc in a direction parallel to the rotation axis of the brake shaft, and a second limiting device configured to limit, to a predefined second extent, the displaceability of the brake shaft relative to the brake disc in a direction parallel to the rotation axis of the brake shaft, the second limiting device comprising a first stop on the pressure piece and a second stop on the brake shaft.

Abstract: A disc brake includes a brake caliper that engages over a brake disc, the caliper having a central opening over the brake disc. The disc brake has two brake pads which are located in the brake caliper, can be moved in opposite directions and each of which has a pad backing plate with a friction lining secured thereon. An action-side or application-side brake pad of the two brake pads can be pressed against the brake disc by a brake application device with the aid of at least one brake plunger. The brake also has at least one restoring device, by which the brake caliper can be returned. The restoring device has a spreading device which engages on the brake pads lying opposite one another and which acts with an identical force in opposition to the respective application direction. The spreading device has spring-loaded spreading elements, each engaging on its respective pad backing plate.

Abstract: A disc brake includes a brake caliper that engages over a brake disc and is designed as a sliding caliper. The disc brake has two brake pads which are located in the brake caliper, can be moved in opposite directions and each of which has a pad backing plate with a friction lining secured thereon. An action-side or application-side brake pad of the two brake pads can be pressed against the brake disc by a brake application device with the aid of at least one brake plunger. The brake also includes at least one restoring device, by which the brake caliper can be returned after a displacement and release of the brakes caused by a braking action. The restoring device has a spreading device which engages on the brake pads lying opposite one another and which acts with an identical force in opposition to the respective application direction. The spreading device includes spring-loaded spreading elements, each engaging on its respective pad backing plate.

Abstract: A disc brake device is provided with a first pressing member disposed between a caliper and a pair of brake pads. The first pressing member has: a base section mounted to the caliper; a pair of plate spring sections extending from the base section toward one circumferential side of a disc rotor and toward the pair of brake pads and pressing the pair of brake pads inward radially; and an extension section extending from the base section toward said one circumferential side and supported by the caliper from the outside radially of the disc rotor.

Abstract: Torque generating devices, systems, and/or related methods are disclosed. In one aspect, a torque generating device (100) may include a housing (102), at least one top and one bottom pole (108), at least one side pole (110), at least two rotors (116) for rotating within the housing, a shaft (104) supported by bearings (111), at least a first stator (120) disposed between portions of the at least two rotors (108), magnetically responsive (MR) material disposed within the housing (102) and at least partially surrounding the first stator (120) and the at least two rotors (108), and a coil (112) for generating a magnetic field, wherein an amount of torque generated by the torque generating device (100) increases in proportion to an amount of electrical current supplied to the coil (112). In another aspect, a method of generating torque may include providing a torque generating device (100) and rotating the at least two rotors (108).

Abstract: An assembly for venting a bicycle hydraulic braking system. One portion of the assembly is bleeding valve for a bicycle hydraulic braking system, comprising a valve body rotatably insertable in a seat of a brake caliper that has an axial inner cavity in fluid communication with a fluid cavity in the caliper and a closing body configured to removably held it in the axial cavity. A second portion of the assembly is a hydraulic fitting for venting the braking system. The hydraulic fitting has a fastening lip for a flexible tube, a portion to engage a tool, a portion configured to screw into a threaded cavity of the bleeding valve, and an axial passage through the fitting.

Abstract: A disc brake has a brake caliper, which reaches over a brake disc, is designed as a sliding caliper, is fastened to a stationary brake bracket and has a central opening over the brake disc. Two brake pads, which are arranged in the brake caliper and can be moved in opposite directions each have a backing plate and a friction lining fastened thereto. An action-side brake pad can be pressed against the brake disc by an application device by way of at least one brake piston. At least one restoring device is provided, by which the brake caliper can be returned after displacement and release of the brake caused by braking, wherein the restoring device has a spreading device, which acts on the brake pads lying opposite each other and acts in the same way against each particular application direction and has resilient spreading elements that act on the respective backing plates.

Abstract: An interior reinforcement body (14) is provide inside a piston (16) so as to continue to an inner circumferential surface of a cylindrical wall portion (17) and an inner surface of a bottom wall portion (18). A plurality of reinforcement walls (26a, 26b) which make up a radially outward portion of the interior reinforcement body (14) are not arranged in a radial direction but are arranged so as to be inclined relative to the radial direction. In particular, a pair of circumferentially adjacent reinforcement walls (26a, 26b) are arranged so as to be inclined reversely relative to the radial direction, and radially inward end portions of the pair of reinforcement walls (26a, 26b) are connected together.

Abstract: A parking brake system including a motor; a rotary to linear stage mechanism in communication with the motor; and a torque locking mechanism in communication with the motor. The torque locking mechanism includes a rotor; a core; and locking members. During a parking brake apply the motor is adapted to rotate the rotor and move the rotary to linear stage mechanism so that at least one brake pad or at least one brake shoe is moved against a surface to generate a clamp force. After the clamp force is generated and the motor ceases to rotate the rotor, the core and the locking members are magnetically attracted and the locking members move towards the core as a result of the magnetic attraction so that the generated clamp force is maintained after the motor ceases to rotate the rotor.

Abstract: An EPB (Electronic Parking Brake) apparatus may include: a housing unit; a motor unit mounted in the housing unit; a worm wheel gear unit engaged and rotated with the motor unit; a piston unit connected with a brake shoe; and a nut unit mounted on the worm wheel gear unit, coupled to the piston unit, and moved by the rotation of the worm wheel gear unit so as to pressurize the piston unit. The housing unit is deformed by the movement of the piston unit and restricts the operation of the motor unit.

Abstract: A disc brake for a commercial vehicle has a brake caliper, which straddles a brake disc and is designed as a sliding caliper and is fastened to a stationary brake carrier, two brake pads, which are arranged in the brake caliper and can be moved in opposite directions and which each have a backing plate and a friction lining fastened to the backing plate, of which brake pads an action-side brake pad can be pressed against the brake disc by an application device via a brake piston, and at least one restoring device, by which the brake caliper can be restored after a braking-related displacement and release of the brake. The disc brake is designed such that the restoring device has at least two rods, which lie against the brake pads with spring loading against the respective application directions of the brake pads, of which rods one is designed as a pulling rod and the other is designed as a pushing rod.

Abstract: A braking system for a road vehicle having: a brake disc; a brake caliper provided with at least one hydraulic piston; a hydraulic circuit containing a brake liquid and having: a hydraulic control unit provided with an electrically controlled pump and a delivery pipe, which connects the hydraulic control unit to the hydraulic piston; a return pipe, which is separate from and independent of the delivery pipe and connects the hydraulic piston to the hydraulic control unit; a recirculation solenoid valve, which is interposed along the return pipe and can be controlled so as to enable or forbid the circulation of the brake liquid along the return pipe; and a control unit, which, when the braking system is not used, opens the recirculation solenoid valve and operates the electrically controlled pump so as to create a circulation of the brake liquid through the first delivery pipe and through the return pipe.

Abstract: Various residual braking torque indication devices, systems, and methods are described. The devices, systems, and methods can include a sensorized brake pad. An output signal of the sensorized brake pad can be processed to provide an indication of a residual braking torque. The residual braking torque indicator can be calibrated to reference data to provide an actual measurement of the residual braking torque.

Abstract: A brake pad wear measuring system for measuring brake pad wear for a vehicle disc brake system includes a first coil excitable to create a first magnetic field, and a first target associated with the first coil. The first coil and the first target are configured for movement relative to each other in response to application of the disc brake system. The relative movement causes the first target to move within the first magnetic field and affect the inductance of the first coil. The brake pad wear measuring system also includes a second coil excitable to create a second magnetic field, and a second target associated with the second coil. The second coil and the second target are configured for movement relative to each other in response to application of the disc brake system. The relative movement causes the second target to move within the second magnetic field and affect the inductance of the second coil.