Abstract: A shock absorber having a shock absorber tube (10) is disclosed and has an external module tube (11) which is connected to the shock absorber tube (10) via a flange (12), wherein the flange (12) has one or more fluid ducts (13, 14) which fluidically couple the module tube (11) to the shock absorber tube (10). The flange (12) has at least one metallic support cage (15) which forms a retentive connection between the shock absorber tube (10) and the module tube (11), and the flange (12) has a plastics body (16) in which the fluid duct (13, 14) for the fluidic coupling of the module tube (11) to the shock absorber tube (10) is formed.

Abstract: A method and a brake system for providing haptic information for a driver of a motor vehicle equipped with a brake-by-wire brake system concerning an operational state of the brake system. The brake system has a main brake cylinder which can be actuated by a brake pedal, having at least one pressure chamber associated with at least one wheel brake, and a simulation device which co-operates with the main brake cylinder and gives the driver a brake pedal sensation in a brake-by-wire operating mode. When a predetermined operational state occurs in the brake-by-wire operating mode, a brake pedal reaction, as a change to the stiffness of the brake pedal sensed by the driver is carried out by means of a disengaging valve which is connected to the pressure chamber of the main brake cylinder and by which the action of the simulation device can be switched on and off.

Abstract: The ring guide of the hydraulic stop mechanism defines at least one channel spaced from the passage, extending axially from the lower surface toward the upper surface, and terminating adjacent to the catcher. The catcher defines at least one window extending from the upper surface toward the lower surface establishing fluid communication with the channel. The retainer includes a second protrusion disposed at the coupling end of the retainer extending outwardly engaging the piston rod. The piston rod defines a pair of slots. A first slot is spaced from the rod support and the piston and extends about the piston rod for receiving the ring guide. A second slot is spaced from the piston and the first slot, and extends about the piston rod for receiving the second protrusion of the retainer. The ring guide includes a plurality of passages and channels alternating with one another about the ring guide.

Abstract: A damping force variable type shock absorber includes: a piston rod reciprocating within the cylinder; a piston valve connected to the piston rod to partition the cylinder into a compression chamber and a rebound chamber; a housing including an auxiliary chamber communicating with a connection passage penetrating an inside of the piston rod in a longitudinal direction of the piston rod, the housing being connected to a lower portion of the piston valve and forming an auxiliary passage connected to the compression chamber disposed thereunder; a first damping unit disposed in an upper side of the auxiliary chamber to form a first bypass passage communicating the connection passage with the auxiliary passage in a zigzag form, the first damping unit allowing a deformation according to a flow of a working fluid in a predetermined speed section; a second damping unit accommodated in the auxiliary chamber and disposed under the first damping unit to form a second bypass passage connected to the first bypass passage,

Abstract: In liquid, an elastic main body member, a partition member, and a diaphragm are inserted into an outer cylinder one by one, and the diaphragm is held down by a fixing ring and fixed by a claw. Then, the liquid adheres onto outer circumferential surfaces of the partition member and the diaphragm. Therefore, a first special seal for adhered liquid is provided in an elastic partition member of the partition member and also a second special seal for adhered liquid and a third special seal for adhered liquid are provided in the diaphragm, so as to provide a seal between each of the outer circumferential surfaces of the partition member and the diaphragm and the fixing ring, so that the adhered liquid is prevented from leaking outwardly as leaked liquid.

Abstract: A continuous or distributed resonator geometry is defined such that the fabrication process used to form a spring mechanism also forms an effective mass of the resonator structure. Proportional design of the spring mechanism and/or mass element geometries in relation to the fabrication process allows for compensation of process-tolerance-induced fabrication variances. As a result, a resonator having increased frequency accuracy is achieved.

Abstract: A passive airflow regulation system for controlling temperature of a heat-absorbing subassembly is disclosed. The passive airflow regulation system includes a duct configured to provide a conduit for an incident ambient airflow to the heat-absorbing subassembly. The duct is arranged proximate to the heat-absorbing subassembly. The airflow regulation system includes a valve configured to control passage of the incident ambient airflow through the duct. The airflow regulation system also includes an actuator employing a phase-change element configured to selectively store and release energy in response to changes in temperature and stress. The actuator is arranged at the heat-absorbing subassembly and configured to select a position for the valve between and inclusive of fully-opened and fully-closed in response to a temperature of the heat-absorbing subassembly.

Abstract: A disc brake rotor apparatus includes an annular inner member for mounting to a hub, an annular outer member concentric with the annular inner member and having opposite braking surfaces, a first intermediate member extending radially outwardly from the annular inner member to the annular outer member, and a second intermediate member extending radially outwardly from the annular inner member to the annular outer member. The first intermediate member is at least partially and axially spaced apart from the second intermediate member and forms a chamber therebetween.

Abstract: A disc brake assembly includes a rotor with an ABS tone ring insert assembly that functions as a rotation indicator in an anti-lock braking system. The insert is positioned in the hat of a rotor disc in a spaced relationship and is mounted to the mounting flange of the rotor disc. Forming the ring insert separately from the rotor disc also allows different coating materials to be used on the tone ring that may be more heat resistant. The ring insert assembly can be made of powder metal or made as a cast iron cylinder with a toothed cap made of powder metal having a corrosion resistant coating. Cost savings can be realized along with high performance when only a portion of the assembly if made of powder metal and coated.

Abstract: A compound vibration absorption assembly is provided for a bike saddle, which includes a pair of compound vibration-absorption units mounted to a bottom of the saddle. Each of the compound vibration-absorption units includes an exterior enclosure barrel and an interior elastic component. The interior elastic component is received and housed in an interior space of the exterior enclosure barrel along a force applying direction. When a force is applied to the saddle, a part of the force is absorbed by the interior elastic component, while a remaining part of the force is simultaneously absorbed by the exterior enclosure barrel.

Abstract: A vehicle brake system includes a brake pedal unit (BPU) coupled to a vehicle brake pedal and including an input piston connected to operate a pedal simulator during a normal braking mode, and coupled to actuate a pair of output pistons during a manual push through mode. The output pistons are operable to generate brake actuating pressure at first and second outputs of the BPU. A hydraulic pressure source for supplying fluid at a controlled boost pressure is included. The system further includes a hydraulic control unit (HCU) adapted to be hydraulically connected to the BPU and the hydraulic pressure source, the HCU including a slip control valve arrangement, and a switching base brake valve arrangement for switching the brake system between the normal braking mode wherein boost pressure from the pressure source is supplied to first and second vehicle brakes, and the manual push through mode wherein brake actuating pressure from the BPU is supplied to the first and second vehicle brakes.

Abstract: A negative stiffness system for gravity compensation of a micropositioner of wafer table in lithography machine, characterized in that, the negative stiffness system includes at least three sets of quasi-zero stiffness units, each of the sets of quasi-zero stiffness units comprises a pair of negative stiffness springs and a positive stiffness spring, the positive stiffness spring is vertically positioned, the pair of negative stiffness springs are obliquely and symmetrically positioned at two sides of the positive stiffness spring, upper ends of the negative stiffness springs and the positive stiffness spring are connected together and fixed to the bottom surface of a rotor of the micropositioner, and lower ends of the negative stiffness springs and the positive stiffness spring are connected to a base, respectively. The system reduces the stiffness in vertical direction and prevents the influence of permanent magnet on its surroundings, while improving the bearing capacity.

Abstract: Provided is a magnetorheological (MR) damper, which includes a cylinder filled with an MR fluid, a piston rod extending to the outside of the cylinder, and a magnetic generator partitioning the inside of the cylinder into a compression chamber and a rebound chamber in a state of being connected to the piston rod and generating an electromagnetic force to the inside, the MR damper including: a magnetic core connected to a lower end of the piston rod; a flux ring connected to an edge of the magnetic core, such that a side surface of the flux ring tightly contacts an inner peripheral surface of the cylinder, the flux ring being formed to vertically penetrate through a main passage between the flux ring and the magnetic core; and a cutaway groove concavely formed at a side surface of the magnetic core and preventing a magnetic force from being unnecessarily formed at a setting portion of the main passage, such that the MR fluid is vertically bypassed during compression and rebound strokes.

Abstract: A vibration isolator is provided including a base structure, a load structure, a displacement structure and at least one vertical open gap formed by opposing and substantially parallel walls of the base structure and the load structure. The opposing walls being at least partly covered by respective arrays of permanent magnets, neighboring magnets in the arrays having alternating magnetization directions, an arrangement of the permanent magnets in the arrays being such that a gravitational force on the load structure is substantially compensated by a net magnetic force of the base structure on the load structure. The displacement structure relatively displaces arrays of permanent magnets of the opposing walls with respect to each along the gap for adjusting a load capacity of the vibration isolator.

Abstract: A spring function component for a hydroelastic bearing is provided. The component includes an inner mounting connection, an outer mounting connection that radially encircles the inner mounting connection, and a spring body that flexibly connects the inner mounting connection and the outer mounting connection. The outer mounting connection is configured to be installed in an outer sleeve. In an assembled state of the outer mounting connection, the spring body at least partly forms a boundary between two working chambers configured to hold of a damping fluid, at least one choke channel is formed that hydraulically connects the working chambers to each other, and in addition to the choke channel there is at least one pressure relief valve configured so that when a specific pressure differential between the working chambers is exceeded, the at least one pressure relief valve opens and hydraulically connects the working chambers.

Abstract: A torsional vibration reducing device includes a rotating body, rolling bodies, and a connection member. The rotating body includes guide holes, and the connection member includes accommodating portions that has at least two contact portions. The accommodating portions are positioned in the guide holes, and the guide holes accommodate the rolling bodies. The accommodating portions are configured to hold the outer peripheral surface of each of the rolling bodies with the contact portions, in a direction in which the rolling body reciprocates.

Abstract: A bracket-equipped vibration-damping device including: a vibration-damping device main unit including first and second mounting members disposed separately from each other vertically and connected by a main rubber elastic body mutually and elastically; and a bracket mounted to the device main unit in a state that the bracket is fixed to the second mounting member inserted into the bracket laterally. A guide part of the second mounting member is inserted into a guide groove of the bracket extending in an insertion direction to be positioned vertically. The bracket includes a compression wall surface superposed to at least one of upper and lower end surfaces of the device main unit. A groove width inner surface of the guide groove opposite vertically to the compression wall surface is tilted to the compression wall surface so that the surfaces approach each other vertically toward the insertion direction.

Abstract: An electronic brake system may include a hydraulic pressure supply device having a motor configured to be operated by receiving an electrical signal from the pedal displacement sensor when the brake pedal is operated, a gear pump configured to discharge and suction a hydraulic pressure depending on a rotational force of the motor, and a power transmission unit configured to deliver the rotational force of the motor to the gear pump; a hydraulic control unit having first and second hydraulic circuits configured to receive the hydraulic pressure by a force generated by the hydraulic pressure supply device to control hydraulic pressure flows delivered to wheel cylinders provided on wheels; and an electronic control unit configured to control the motor and valves based on hydraulic pressure information and pedal displacement information.

Abstract: A vibration-damping device (10) of the invention includes a tubular first attachment member (11) and a second attachment member (12); an elastic body (13); a partitioning member (17) that forms a main liquid chamber (14), a first auxiliary liquid chamber (15), and a second auxiliary liquid chamber (16); a first diaphragm (18) that constitutes a portion of the wall surface of the first auxiliary liquid chamber (15); and a second diaphragm (19) that constitutes a portion of the wall surface of the second auxiliary liquid chamber (16) and that has a smaller deformation resistance than the deformation resistance of the first diaphragm (18).

Abstract: A control device for a vehicle brake system, having a control device/arrangement by which a closing signal is outputtable to an isolation valve via which a first brake circuit is hydraulically connected to a main brake cylinder, and at least one first control signal is outputtable to at least one first hydraulic component, so that a first actual brake pressure in the first brake circuit can be varied, an existing functional impairment of the at least one first hydraulic component and/or of at least one further brake system component being determinable, or a warning signal being receivable, and, if warranted, a closing signal being outputtable to a changeover valve of a second brake circuit, and, after or simultaneously with an outputting of the closing signal to the changeover valve, an opening signal being outputtable to the isolation valve. Also described is a related method for operating the vehicle brake system.