Abstract: An electromechanical brake actuator (102, 202, 302, 402) for a brake has a cam disc (108, 108?, 108?, 208, 308, 408) and a brake plunger (114, 214, 314) for actuating a brake lever (358). The cam disc (108, 108?, 108?, 208, 308, 408) and the brake plunger (114, 214, 314) have contact surfaces in contact with one another for directly transmitting a drive torque. The contact surface of the cam disc (108, 108?, 108?, 208, 308, 408) extends at a distance r about the pivot point D, which is defined as a function r(?) with a change rate r?(?) and depends on the angular position ? of the cam disc (108, 108?, 108?, 208, 308, 408). The contact surface is configured to effect non-linear transmission between the drive torque of the cam disc (108, 108?, 108?, 208, 308, 408) and the force transmitted to the brake plunger (114, 214, 314).

Abstract: A drilling of a hydraulic unit of a service brake assembly of a vehicle hydraulic-power brake system.

Abstract: This disclosure relates to an electromagnetic brake configured to slow a deceleration rate of a passenger conveyer, such as an elevator car, during braking. In particular, this disclosure relates to a passenger conveyer system including the electromagnetic brake and a corresponding method. An example system includes a controller and an electromagnetic brake. The electromagnetic brake includes a disc configured to interface with a drive shaft, a spring, and a plate biased in a first direction into engagement with the disc by a bias force of the spring. The electromagnetic brake further includes an electromagnet selectively activated in response to a command from the controller to produce a magnetic field attracting the plate in a second direction opposite the first direction to partially offset the bias force of the spring. Further, when the electromagnet is activated, the plate engages the disc.

Abstract: An electric brake apparatus includes a brake mechanism, a parking mechanism, and a main ECU and rear electric brake ECUs. The main ECU performs re-holding control (re-clamping) of, after holding a braking force by the parking mechanism, releasing the holding of the braking force with the braking force applied or maintained and further applying the braking force, and then holding the braking force by the parking mechanism after that. In this case, the main ECU does not release the braking force on a rear right wheel until completing the re-holding control on a rear left wheel side. Alternatively, the main ECU does not release the braking force on the rear left wheel side until completing the re-holding control on the rear right wheel.

Abstract: A braking apparatus includes a controller disposed in a first area to which first power is applied from a first power supply and configured to output a control signal for controlling a braking force applied to a wheel, a driver disposed in a second area to which second power that is greater than the first power is applied from a second power supply and configured to output a driving signal for driving a motor in response to the control signal, and an isolator configured to insulate the controller from the driver and transmit the control signal to the driver. A terminal through which the first power is applied to the first area is separated from a terminal through which the second power is applied to the second area. A ground of the first area is separated from a ground of the second area.

Abstract: A rotation locking device 4 has a locking gear 5; a reverse input blocking clutch having an input member 12 and an output member 13; and an engaging member 8, and switches between a first mode where an engaging claw portion 14 engages with an engaging concave portion 9 by the output member 13 rotating the engaging member 8 due to the input member 12 being rotationally driven, and rotation of the locking gear 5 is restricted, and a second mode where engagement between the engaging claw portion 14 and the engaging concave portion 9 is released and rotation of the locking gear 5 is allowed.

Abstract: An electric hollow-shaft motor having a hollow shaft which is able to be driven in rotation, and a detection device which is configured to detect the rotational position of the hollow shaft, wherein the detection device includes a magnet which is arranged on the hollow shaft, and a fixed magnetic field sensor which is arranged within the hollow shaft, wherein the magnetic field sensor is configured to detect a magnetic field generated by the magnet.

Abstract: The present disclosure relates to a method for operating a vehicle brake. The vehicle brake includes a hydraulic service brake having an actuating piston, which for generating a first braking force component is movable, under the action of a hydraulic pressure, into an actuating position in which the actuating piston presses a friction lining against a rotatingly supported brake disc, and an electric parking brake, with an actuating element, that is designed to build up a second braking force component that acts on the brake disc. The method includes ascertaining the hydraulic pressure, determining a first braking force component, establishing a second braking force component to be set by means of the parking brake, based on the first braking force component and a desired total braking force, and establishing a position of the actuating element of the parking brake to be set.

Abstract: An electromechanical actuator package for actuating a brake assembly configured to operate a vehicle brake comprises: a motor; a differential operably connected to the motor, the differential comprising a pulley and an output connectable to the brake assembly; and a locking mechanism configured to lock the pulley of the differential, the locking mechanism comprising: a base configured to be movable, a plurality of projections projecting from the movable base, the projections comprising first and second projections, wherein at least a part of the pulley is positioned between the first and second projections projected from the movable base, an electromagnet assembly disposed adjacent to at least one of the projections, the electromagnet assembly operably associated with at least one of the projections, and one or more springs operably coupled to the movable base and/or at least one of the projections.

Abstract: Disclosed herein is an electronic brake apparatus that includes a spring pack, a first piston in which the spring pack is mounted, a bolt screw rotated in conjunction with a motor and having one end in point contact with the spring pack, a fixing member configured to bind the bolt screw to the first piston, and a second piston screwed to the other end of the bolt screw.

Abstract: A park brake system for adjusting a tension in a brake cable that is coupled to a park brake. The park brake system can include a driver that is communicatively coupled to a microcontroller, and an actuator that is rotatably displaceable by operation of the driver. An equalizer assembly can be linearly displaced along the rotating actuator to adjust a tension in the brake cable. The microcontroller can monitor a current being drawn by the driver as the driver is operated, and generate instructions to cease operation of the driver upon the current reaching a predetermined current threshold that corresponds a maximum force that is to be applied by the park brake. The microcontroller can also, when the park brake is being released from a set position, count pulses outputted by an encoder in connection with determining whether the park brake has reached a running clearance position.

Abstract: A railway vehicle parking brake that can provide the appropriate tension to the braking system using a motor, a brake chain drum interconnected to the motor to take up or release a brake chain, a load arm deflects in response to tension in the brake chain, and a switch that is closed by the load arm when it deflects. A movable sheave interconnects the brake chain and the load arm and is positioned between the brake chain drum and a fixed sheave over which the brake chain is looped. A control method considers the position of the first switch to determine whether to the motor off when applying the brakes and the amount of current being drawn by the motor to determine whether to the motor off because of a system failure.

Abstract: This hydraulic pressure control device is provided with: a housing having a motor mounted to a surface on one side thereof and which has an oil passage formed thereinside; a case which is mounted to a surface on the other side of the housing and has a circuit board disposed thereinside; a sensor which detects a signal of the motor; a signal wire which connects between the sensor and the circuit board; and a power wire through which electric power is supplied to the motor, wherein the signal wire and the power wire are disposed inside a single through-hole that is formed in the housing so as to penetrate from the surface on the one side to the surface on the other side, and the signal wire or the power wire within the through-hole is covered with a shielding member that blocks out power supply noise generated during power supply.

Abstract: A downsized torque vectoring device that is easily to be mounted on an automobile. The torque vectoring device comprises: a differential mechanism that allows a first driveshaft and second driveshaft to rotate at different speeds; an actuator that applies a control torque to the differential mechanism to rotate the first driveshaft and the second driveshaft at different speeds; and a reversing mechanism that allows the first driveshaft and the second driveshaft to rotate in opposite directions. A gear ratio of a first gear train and a gear ratio of the second gear train are different from each other.

Abstract: A brake arrangement for a vehicle comprising a braking system arranged to vary hydraulic or pneumatic brake pressure that is arranged to apply a pressure to a brake caliper; an electric motor arranged to generate a braking torque that is applied to a first wheel when the electric motor is placed in a braking mode of operation, wherein the electric motor is arranged to vary brake torque generated when the electric motor is in the braking mode dependent upon a predetermined operating condition of the braking system.

Abstract: A drum brake apparatus may include: a housing; a main braking part installed at one side of the housing, and driven by hydraulic pressure to pressurize shoes during main braking; and a parking braking part installed at the other side of the housing, and driven by an electromotive force to pressurize the shoes during parking braking.

Abstract: A parking lock arrangement for a drive train of a motor vehicle includes a controllable locking mechanism and an unlocking mechanism. The controllable locking mechanism includes a spindle drive with a spindle shaft rotationally drivable about a spindle axis, an actuator for rotating the spindle shaft and a positioning element movable by rotating the spindle shaft for actuating a blocking element. The blocking element acts at least indirectly on a drive element in a blocking or releasing manner. The unlocking mechanism includes an unlocking element and a manually operable control element. The unlocking element is movable via the control element from a normal position, in which the unlocking element is spaced apart from the spindle shaft, into an engagement position, in which the unlocking element is coupled in torque-transmitting manner to the spindle shaft for forced releasing of the locking mechanism.

Abstract: A brake apparatus for vehicles may include: a regenerative brake unit configured to perform a regenerative braking operation of a rear-wheel-drive vehicle; a master cylinder configured to form master braking hydraulic pressure using an operation of an actuator to apply, to front wheels and rear wheels of the rear-wheel-drive vehicle, frictional braking force determined by subtracting regenerative braking force generated by the regenerative brake unit from braking force demanded by a driver; and a valve unit configured to adjust the master braking hydraulic pressure formed by the master cylinder so that the frictional braking force is differentially applied to the front wheels and the rear wheels, and to restrict braking force for the rear wheels from being increased by regenerative braking force applied to the rear wheels.

Abstract: A method for operating a vehicle brake, wherein the vehicle brake comprises a service brake having an actuating piston, which can be moved into an actuation position in order to produce a braking force by the action of a hydraulic pressure, and wherein the vehicle brake also comprises a parking brake unit, which is designed to move over a first motion range without producing a braking force and is also designed to move over a second motion range, in which the parking brake unit is supported against the actuating piston and a braking force is thus changed, wherein the first and second motion ranges transition into each other at a support point, wherein the method is performed in the pressureless state or at a hydraulic pressure below a predefined threshold value and comprises the following steps: a) moving the parking brake unit from the first into the second motion range or vice versa; b) recording the curve of an operating parameter of the parking brake unit during step a); and c) determining the position of

Abstract: A brake device for a vehicle, including: a rotary body; a friction member; an actuator including a piston and an electric motor; a piston-retracting prohibiting mechanism including a toothed wheel having ratchet teeth, a stopper configured to lock the ratchet teeth, a stopper biasing mechanism configured to bias the stopper in a direction in which the stopper moves from a locking position to a non-locking position, and a stopper keeping device configured to keep the stopper positioned at the locking position by an electric current supplied thereto, the prohibiting mechanism being configured to prohibit the piston from being retracted in a state in which the stopper locks the ratchet teeth; and a controller configured to control supply of an electric current to the electric motor and supply of the electric current to the stopper keeping device, wherein an electricity storage device is provided in parallel with the stopper keeping device.

Abstract: The invention relates to a disc brake actuator (2) for a vehicle. The disc brake actuator (2) comprises an electrical drive (4) and a transmission unit (11) which is driven by the electrical drive (4). The transmission unit (11) comprises a ramp transmission system (12) and a threaded transmission system (13). The ramp transmission system (12) and the threaded transmission system (13) are arranged in series in the force flow of the transmission unit (11).

Abstract: This electric braking device is provided with: an electric motor MTR that, in accordance with an operation amount Bpa of a braking operation member BP, generates a pressing force Fba, being a force pressing a friction member MSB against a rotary member KTB that rotates integrally with a wheel WHL of the vehicle; and a circuit board KBN to which a processor MPR and a bridge circuit BRG are mounted. The device is further provided with a rotation angle sensor MKA for detecting the rotation angle Mka of the electric motor, and drives the electric motor MTR on the basis of the rotation angle Mka. An end face Mmk of the rotation angle sensor MKA is fixed so as to be in contact with the circuit board KBN. The device is further provided with a pressing force sensor FBA for detecting the pressing force Fba, and drives the electric motor MTR on the basis of the pressing force Fba. An end face Mfb of the pressing force sensor FBA is fixed so as to be in contact with the circuit board KBN.

Abstract: Provided is an electric actuator (1), including: a motor part (A); and a motion conversion mechanism part (B) configured to convert a rotary motion of the motor part (A) into a linear motion to output the linear motion. The motion conversion mechanism part (B) includes: a screw shaft (33) arranged coaxially with a rotation center of a rotor (24) of the motor part (A); and a nut member (32) rotatably fitted to an outer periphery of the screw shaft. The rotor (24) includes a rotor inner (26) serving as a hollow rotary shaft having the nut member (32) arranged on an inner periphery thereof. A rotary motion of the rotor (24) is transmitted to the nut member (32) through an intermediate member (Z) arranged between an inner peripheral surface of the rotor inner (26) and an outer peripheral surface (32b) of the nut member (32).

Abstract: The present disclosure includes the use of a smart load cell in a system for controlling an electromechanical actuator. A load cell may be positioned along the outer surface of the electromechanical actuator. Further, the load cell may utilize strain gages and a microcontroller. The load cell may be configured to transmit data to an electric brake actuator controller which includes calibration for operating temperature of the electromechanical actuator.

Abstract: A method for operating a parking brake which has an actuator with an actuating element and an electric motor, the electric motor is operatively connected to the actuating element in order to displace the latter, the electric motor is actuated in order to displace the actuating element by a predefined movement travel, and an actual movement travel of the actuating element is monitored in order to actuate the electric motor. The method includes determining the actual movement travel of the actuating element in a manner which is dependent on a motor current and/or a motor voltage of the electric motor.

Abstract: An eddy current retarder includes a brake drum, a magnet retention ring, and a switch mechanism. The brake drum is fixed to a rotating shaft. The magnet retention ring is arranged inside the drum and retains magnets at regular intervals entirely in a circumferential direction such that the magnets face the inner peripheral surface of the drum. The switch mechanism includes switch plates that switch, during braking, to a state in which magnetic circuits develop between the magnets and the drum, and switch, during non-braking, to a state in which no magnetic circuits develop. Protrusions are provided on an end face of the drum at regular intervals entirely in the circumferential direction. Electricity generating coils are provided in a non-rotating part of a vehicle at regular intervals entirely in the circumferential direction such that the electricity generating coils face the regions of the end face of the drum.

Abstract: A hybrid vehicle and a braking method thereof are provided. The braking method includes determining a current braking situation based on a brake depth and calculating an amount of braking demanded by a driver corresponding to the brake depth when the current braking situation is a general braking situation. A regenerative braking command is generated to execute regenerative braking and a friction braking command to execute friction braking based on the amount of braking demanded by the driver.

Abstract: Some embodiments are directed to a controller is provided for use with a vehicle braking system. The braking system can include brake assemblies coupled to an actuator. The controller can be configured to: receive data indicative of a requested braking force; select a distance of travel and actuating force for the actuator from respective predetermined ranges of values that are based on a curve determined using discrete portions representing constant incremental area under the curve for constant workload; and signal the brake assemblies to output braking response based on the selected distance of travel and actuating force of the actuator.

Abstract: An eddy current retarder includes a brake drum, a magnet retention ring, and a switch mechanism. The brake drum is fixed to a rotating shaft. The magnet retention ring is arranged inside the drum and retains magnets at regular intervals entirely in a circumferential direction such that the magnets face the inner peripheral surface of the drum. The switch mechanism includes switch plates that switch, during braking, to a state in which magnetic circuits develop between the magnets and the drum, and switch, during non-braking, to a state in which no magnetic circuits develop. Protrusions are provided on an end face of the drum at regular intervals entirely in the circumferential direction. Electricity generating coils are provided in a non-rotating part of a vehicle at regular intervals entirely in the circumferential direction such that the electricity generating coils face the regions of the end face of the drum.

Abstract: Disclosed herein are a pedal displacement sensor and an electronic brake system including the pedal displacement sensor. The pedal displacement sensor includes a magnet to be movable, a first electrical steel plate including one end spaced apart from an upper side of the magnet and one surface to face the magnet, a second electrical steel plate including one end spaced apart from a lower side of the magnet and the other end spaced apart from the other end of the first electrical steel plate, and a magnetic sensor to measure a magnetic flux between the other end of the first electrical steel plate and the second electrical steel plate.

Abstract: A brake control device is configured such that a hydraulic braking device is provided for one of a front wheel and a rear wheel, and an electric braking device is provided for the other one of them. The electric braking device is provided with a mechanism configured to prohibit retreat of a piston for pressing friction members against a rotor that rotates with the wheel. The brake control device is configured to maintain, by an operation of the mechanism, a braking force that does not depend on a force of an electric motor as a drive force and to control a braking force generated by the hydraulic braking device based on a difference between the braking force thus maintained and a braking force requested for the electric braking device.

Abstract: A brake monitoring and adjustment control system includes an electromechanical brake actuator controller (EBAC) and at least one sensor operatively connected to the EBAC. The sensor is configured to sense a characteristic of a brake and provide a feedback signal to the EBAC. The system includes a switch for turning power to the sensor on and off to reduce the duration with voltage applied to the sensor. Reducing the duration in which voltage is applied to the sensor reduces power consumption and assists with mitigating electro-migration growth.

Abstract: An electric parking brake actuator has a transmission mechanism, which is rotationally drivable by an electric motor and converts rotational movement into an axial movement of an actuating rod that carries an actuating element for the parking brake. The actuating rod normally moves by electric motor displacement via the transmission mechanism from an unblocking position to a blocking position and vice versa. A blocking mechanism serves the purpose of holding the actuating rod in the unblocking position of the actuating rod against the force of a spring element. A blocking disc, which is in drive connection with the transmission mechanism, has a stop surface for a locking device in only one rotational direction of the blocking disc. For secondary alternate operation the stop surface is releasable by the locking device so that the actuating rod is biased by the spring element to the blocking position without electric-motorized assistance.

Abstract: In the case of a method for performing a function check on an electromechanical brake device having at least one electric brake motor, the motor current is measured at the brake motor and compared with a calculated motor current, wherein an error signal is generated in the event of an inadmissibly high deviation.

Abstract: A method for operating a brake system of a motor vehicle, comprises a hydraulic operational brake device that has hydraulically-actuatable wheel brakes on at least one front axle of the motor vehicle, a parking brake device having wheel brakes on a rear axle of the motor vehicle, each of which can be actuated by means of an electromechanical actuator, and wheel speed sensors on the wheels of said front and rear axles. During braking by means of said hydraulic operational brake device while the vehicle is travelling, braking is carried out by said parking brake device.

Abstract: A method for braking a vehicle, which is moving along a carriageway, by a braking device which has at least one friction brake and at least one regenerative brake for braking at least one wheel of the vehicle, wherein an anti-lock braking operation is carried out by the braking device, at least one braking torque which is to be applied to the wheel by the braking device being at least temporarily limited to a prespecifiable value by a regulating device of the vehicle during the anti-lock braking operation to at least temporarily prevent locking of the wheel relative to the carriageway, wherein the braking torque for braking the wheel is applied to the wheel at least partially by the regenerative brake at least during a portion of the anti-lock braking operation, and also to a vehicle which executes the disclosed method.

Abstract: An electric brake device configured to brake a wheel or to maintain a stopped state of the wheel, including: a friction member; a piston configured to advance for pushing the friction member onto a rotary body; a motion converting mechanism having an input shaft and configured to convert rotation of the input shaft into an advancing and retracting movement of the piston; an electric motor; and a rotation transmitting mechanism configured to transmit rotation of the electric motor as the rotation of the input shaft, the rotation transmitting mechanism including a drive pulley connected to the electric motor, a driven pulley connected to the input shaft, a belt wound around the two pulleys, and a speed change mechanism configured to change a ratio of a rotation speed of the driven pulley to a rotation speed of the drive pulley in dependence on tension of the belt between the two pulleys.

Abstract: An electromechanical brake may include a drive device for the electromechanical brake to which a non-circulation type ball screw is applied, and may automatically compensate for a position movement amount of a ball caused by pad abrasion, wherein the electromechanical brake includes a drive device, that is, an electromechanical brake with a non-circulation type ball screw, in which pad abrasion is compensated by the ball screw, a torsion spring, and a ball retainer mounted at the other side of the torsion spring.

Abstract: The disclosure relates to a method for operating a motor vehicle brake system that comprises at least one electronic parking brake having at least one actuator, wherein in the presence of a first switching signal at a switching signal input the actuator is controlled so as to activate the parking brake. It is provided that the switching signal input in a normal operating mode is released so as to apply optional switching signals and in a safety operating mode is set to a second switching signal that is different from the first switching signal so that the process of controlling the actuator so as to activating the parking brake is prevented. The disclosure further relates to a control device for a motor vehicle brake system.

Abstract: Disclosed are an electronic control brake system and a method for controlling the same. The method for controlling an electronic control brake system of a vehicle according to the present disclosure, in which a service brake is configured to provide a braking force by hydraulic pressure to each wheel and a drum in hat (DIH) brake is configured to provide a parking brake force to each of the wheels by pulling a parking cable, the method including determining whether rocking of the vehicle occurs due to a weight shift of the vehicle at the DIH brake on the basis of operation information of an electronic parking brake (EPB) system configured to adjust a braking force of the DIH brake, state information of a transmission gear, and state information of a brake pedal; and when the rocking of the vehicle is determined to occur, automatically operating the service brake.

Abstract: An add-on brake system includes a housing accommodating a linear actuator including: an electric motor having a rotor and a stator; a nut arrangement coupled to the rotor; a linear threaded plunger associated having a first end linearly protruding from one end of the arrangement and a second end linearly protruding from an opposite end thereof; an inboard brake pad coupled to the housing; and an outboard brake pad associated with the second end, oriented transverse to the plunger. The plunger has an initial unclamped position in which the second end protrudes to an extent n1 from the other end of the arrangement, yielding a spacing S1 between the inboard and outboard brake pads, and a final clamped position in which the second end protrudes to an extent n2>n1 from the other end of the arrangement, yielding a spacing S2<S1 between the pads.

Abstract: An electromechanical brake (EMB) may include a nut member coupled to the piston and transferring an axial moving force to the piston; a screw coupled to the nut member and rotated to move the nut member in an axial direction; balls inserted between the nut member and the screw and transferring a rotational force of the screw to the nut member; a compression coil spring having one side mounted on the nut member; and a ball retainer mounted at the other side of the compression coil spring, wherein the ball retainer is disposed to be adjacent to a ball at a rearmost end portion among the balls inserted between the nut member and the screw, and pressurizes the compression coil spring while coming in contact with the balls during braking pressurization.

Abstract: An elliptically interfacing gear assisted braking system may include an input shaft with a coupled input gear, a wobble plate, a rotor with a reaction gear, and an actuated brake mechanism, or brake. The input shaft may define an axis of rotation and the wobble plate may have a wobble axis disposed at a non-zero angle relative to the rotation axis. A set of face teeth disposed on one surface of the wobble plate may partially mesh with the input gear, and a set of wobble teeth on an opposite surface of the wobble plate may partially mesh with the reaction gear. Rotation of the input shaft may thereby cause rotation of the wobble plate and rotor. The brake may mate with the rotor and when actuated, slow the rotor with respect to the input shaft. Rolling contact forces between the surfaces of the wobble teeth and reaction teeth may then induce nutation in the wobble plate, thereby dissipating rotational energy.

Abstract: An electromagnetic active brake which is de-energized in the brake standby state, including—a brake body (1), —a brake device with at least two opposing brake shoes (9, 12) which are spaced from a component to be braked in the de-energized state of the active brake, —and an electromagnet (5) which is arranged in the brake body (1) and the armature (6) of which interacts with a brake lever (2). The armature (6) of the electromagnet (5) is rigidly connected to a spring compressor (3) which is guided in the brake body (1) and which is moved by the armature (6) in the axial direction of the armature (6) when the electromagnet (5) is energized and in this manner clamps a spring (16) against an abutment (20) that interacts with the brake lever (2) and is arranged in an axially adjustable manner in the direction of the path of the spring compressor (3). The active brake according to the invention is highly energy-saving and thus economical.

Abstract: A parking brake, particularly for a vehicle, includes a brake piston, supported to be movable along a longitudinal axis between a braking position and an open position, by which a brake disk is immobilizable by applying a braking force, when the brake piston is in the braking position, a drive unit for moving the brake piston along the longitudinal axis, and a toggle lever interacting with the brake piston and having at least first and second legs. The first and second legs are connected rotatably with a joint element and are actuatable by the drive unit, such that the toggle lever provides the braking force and applies it to the brake piston. An immobilizing device having such a parking brake, as well as a vehicle having the immobilizing device, and a method for immobilizing a vehicle by such an immobilizing device are also provided.

Abstract: A system (42) including a phaser (28), a motor (38), and a controller (40) for controlling the phase between a camshaft (18) and a crankshaft (16) of an engine (10). The phaser (28) is attached to the camshaft (18), is in communication with the crankshaft (16), and is configured to adjust the phase of the camshaft (18). The motor (38) actuates the phaser (28) and is operatively attached to and in communication with the phaser (28) such that rotation of the crankshaft (16) back-drives the motor (38) to subsequently generate a signal. The controller (40) is in electrical communication with the motor (38), is responsive to the signal, and uses the signal to determine the rotational speed of the motor (38) to thereby commutate the motor (38) and subsequently drive the motor (38) so as to actuate the phaser (28) and control the phase of the camshaft (18).

Abstract: A brake force sensor arrangement for a brake unit includes a brake unit including a brake force application member; and a strain gage positioned on the brake force application member. The strain gage may be configured to measure the stress, strain, or stress and strain of the brake force application member. The stress, strain, or stress and strain of the brake force application member may be proportional to the brake force applied by the brake unit.

Abstract: Provided is an electric brake device that can achieve improved control accuracy without involving a cost increase. The electric brake device includes an electric motor, a brake rotor, a friction pad, a transmission mechanism, a braking force command section, a braking force estimation section, a motor rotation angle detector, and a controller. The motor rotation angle detector, which is used in a partial region of a braking force from a minimum braking force to a maximum braking force, has a higher resolution than a motor rotation angle that causes a braking force fluctuation equivalent to a minimum braking force resolution of the braking force estimation section. The controller includes a resolution interpolation section configured to interpolate, by using a motor rotation angle detected by the motor rotation angle detector, a minimum resolution of the braking force obtained by the braking force estimation section.

Abstract: A cover for a housing of an electric machine is provided. The cover may include an inner sidewall and an outer sidewall. The outer sidewall may be spaced apart from the inner sidewall to define a coolant channel therebetween. The inner sidewall and outer sidewall may be defined by an interior surface of the cover such that the coolant channel receives end windings of a stator of the electric machine when the cover is secured to the housing. The interior surface of the cover may define features between the sidewalls to promote turbulence of coolant flowing through the coolant channel. The interior surface of the cover may define a meandering trough between the sidewalls to form a predetermined coolant path relative to a location of the end windings when the cover is secured to the housing.

Abstract: An electrical brake mechanism for a caster can reliably brake a caster. A switch is mounted on a target to which a caster is attached and outputting an instruction signal to a brake device, a detector is provided on a rotating shaft of the cam and arranged in correspondence with each of positions of a plurality of cam surfaces, a sensor is provided for detecting abutment between each of the cam surfaces and an operation shaft by the detector, a motor is provided for rotating by an input of the switch and for stopping if the sensor detects the position of the predetermined cam surface, and a gear train is provided for transmitting rotation of the motor to the rotating shaft of the cam.