Abstract: Embodiments of an adaptive three parameter isolator assembly are provided, as are embodiments of a spacecraft isolation system including a plurality of isolator assemblies. In one embodiment, the isolator assembly includes a three parameter isolator having opposing hydraulic chambers configured to be filled with a Magneto-Rheological (MR) damping fluid. An MR valve external to the three parameter isolator is fluidly coupled between the opposing hydraulic chambers. The MR valve is configured to generate a magnetic field through which the MR damping fluid passes as the fluid flows between the opposing hydraulic chambers. A control device is operably coupled to the MR valve and is configured to control the strength of the magnetic field to adjust the viscosity of the MR damping fluid during operation of the three parameter isolator.

Abstract: A fluid-filled vibration damping device including: a primary liquid chamber which gives rise to pressure fluctuations based on deformation of a main rubber elastic body at times of vibration input; an auxiliary liquid chamber which gives rise to pressure fluctuations relative to the primary liquid chamber at times of vibration input; and an orifice passage that allows flow action of a scaled fluid between the primary liquid chamber and the auxiliary liquid chamber. The sealed fluid contains at least 0.03 volume % of a dissolved gas under atmospheric pressure at room temperature. A low-adhesion energy surface with a water contact angle of at least 90 degrees is provided on an inner surface of the primary liquid chamber.

Abstract: An elastically deformable energy management assembly includes a first component. Also included is at least one protrusion extending from the first component, the at least one protrusion having an outer surface. Further included is a second component comprising at least one aperture defined by an aperture wall, the aperture wall in slideable engagement with the outer surface of the at least one protrusion, wherein at least one of the protrusion and the aperture wall comprises an elastically deformable material.

Abstract: A brake actuating unit (1, 1?) for a brake-by-wire motor vehicle brake system having a housing (10), a first hydraulic cylinder/piston arrangement (3) to which a plurality of wheel brakes connectable. The piston being operable by a push rod (2) transmitting an actuating force, an electrically controllable pressure supplying device (6) in the form of a second hydraulic cylinder/piston arrangement (12), actuated by an electric motor (7). A number of valves (41, 42, 43) for setting wheel-individual brake pressures and for disconnecting or connecting the wheel brakes with the first or the second cylinder/piston arrangement (3, 12). The valves and the second cylinder/piston arrangement are arranged at least partially inside the housing (10), the axis of the electric motor (7) being arranged substantially perpendicular to the longitudinal axis (30) of the first cylinder/piston arrangement (3).

Abstract: A hydraulic auxiliary brake device of a motor used for oil production is provided. A turning shaft and an oil extraction pump of the motor are provided with a brake disc. The motor is provided with a hydraulic brake. The hydraulic brake is connected with an oil pressure pipe, a one-way clutch gear, and an oil pump. The one-way clutch gear meshes with the brake disc. When the turning shaft and the oil extraction pump of the motor are turned normally for oil production, the one-way clutch idles so that the oil pump doesn't output oil pressure, and the hydraulic brake doesn't activate to brake the brake disc. In case of a power failure, the oil pump is opened to output oil pressure and the hydraulic brake is activated to brake the brake disc, such that the turning shaft and the oil extraction pump are stopped from turning.

Abstract: A system and method of controlling aircraft brakes in an aircraft that includes a brake pedal and an electric brake actuator. An aircraft operational state is determined and an application force that is supplied to the brake pedal is determined. When the determined aircraft operational state is a ground-idle state and the determined application force is greater than a set force magnitude, an actuator brake is moved to engage the electric brake actuator and the electric brake actuator is de-energized.

Abstract: A linear motion actuator includes an outer ring member mounted in a housing, a rotary shaft rotated by a motor, planetary rollers mounted between the outer ring member and the shaft and supported by a carrier rotatable about the shaft. A helical rib is formed on the inner surface of the outer ring member which is engaged in helical grooves formed in outer surfaces of the planetary rollers. When the shaft rotates, the planetary rollers rotate and revolve, thereby axially moving the outer ring member. Uneven axial loads applied to the planetary rollers from the outer ring member are supported by thrust bearings disposed between the planetary rollers and an inner disk of the carrier. Aligning seats are provided between each opposed pair of the planetary rollers and the thrust bearings such that the contact surfaces of the aligning seats shift relative to each other under the uneven axial loads.

Abstract: A brake control apparatus includes a first pressure-applying section connected through a first oil passage to a wheel cylinder; a pump; a communication valve provided on a second oil passage which connects the first oil passage with the pump; a backflow passage connecting a suction side of the pump with a portion between the pump and the communication valve; a pressure-regulating valve provided on the backflow passage; and a control unit. The control unit attains a first state that causes the first pressure-applying section to apply hydraulic pressure to the wheel cylinder, and a second state that causes the pump to apply hydraulic pressure to the wheel cylinder by driving the pump and at least one of the communication valve and the pressure-regulating valve. The control unit actuates the at least one with a delay relative to an actuation of the pump, when switching to the second state.

Abstract: A bump shock absorbing device may include: a stopper member provided on a vehicle body and contacted and compressed against a chassis according to a bump of the vehicle body; and a magnetic force generation member including a pair of magnetic force generation members provided to face the chassis and the vehicle body, respectively, and generating a magnetic force to absorb shock caused by the bump of the vehicle body.

Abstract: A damper includes a cylinder, a piston that is inserted into the cylinder, a rod that is connected to the piston, a rod-side chamber and a piston-side chamber that are divided within the cylinder, a tank, an extension-side passage that allows communication between the rod-side chamber and the tank, a compression-side passage that allows communication between the piston-side chamber and the tank, an extension-side damping valve that is provided in the extension-side passage, a first check valve that is provided in the extension-side passage in parallel with the extension-side damping valve, a compression-side damping valve that is provided in the compression-side passage, a second check valve that is provided in the compression-side passage in parallel with the compression-side damping valve, and a center passage that allows communication between the tank and the inside of the cylinder.

Abstract: A caliper housing including a piston bore and a bridge extending between the piston bore and a pair of caliper fingers interconnecting the caliper fingers and the piston bore. The caliper fingers of the caliper housing extend downwardly from the bridge to define a flat surface. A rotor having a disc shape defines a first side and a second side and disposed adjacent to the caliper fingers. An outer brake pad defining a first centroid is disposed adjacent to the first side of the rotor abutting the caliper fingers allowing the caliper fingers to urge the outer brake pad into engagement with the first side of the rotor. Each of the caliper fingers defines a pivot edge extending between the outer brake pad and the flat surface of the caliper fingers allowing the outer brake pad to pivot about the pivot edge.

Abstract: This invention obtains damping force in choke characteristics when piston speed is in low-speed region, and reduces damping force when piston speed is in medium-high-speed region. A damping valve for a shock absorber includes a piston partitioning an extension-side chamber from a pressure-side chamber, a returner laminated to pressure-side chamber side of piston, a flow passage penetrating from piston to returner and having entrance constantly communicating with expansion-side chamber, a leaf valve laminated to retainer and operably closing an exit of expansion-side flow passage, a first outer peripheral groove formed on outer periphery of piston rod. A passage T functioning as a choke is formed between first outer peripheral groove and retainer. One side of passage communicates with flow passage and other side thereof communicates with compression-side chamber.

Abstract: A guideway for a motor vehicle disc brake is configured to mount at least one brake pad in a slidable manner with respect to a brake disc along an axially oriented axis of sliding. The guideway includes at least one brake pad application element which is configured to act axially. The guideway is fixed to a fixed carrier, and includes an elastically deformable leg and a guide face that has a contact zone. The elastically deformable leg is configured to exert a constant elastic force. The guide face includes a damping element. The elastically deformable leg further includes a bent-over portion configured to contact the at least one brake pad such that the guide face is opposite a contact zone of the at least one brake pad.

Abstract: A deformable component which is initially flat and which can be caused to buckle by the application of a radially inward preload force, applied using an outer clamp. The deformable component in the buckled configuration then exhibits negative stiffness over a portion of its range of travel, when an axial force is applied. The deformable component may be fabricated from metal sheet, and may take the form of a polygonal central portion and at least two arms extending radially outwards.

Abstract: A vibration damping device including a first mounting member and a second mounting member elastically connected by a main rubber elastic body, and a separate stopper member positioned in a housing recess that is formed by a cylindrical portion of the second mounting member and that opens in an axial direction. An elastic tapered portion equipped with a contact surface that inclines gradually to an inner circumferential side toward an open side of the housing recess is provided at an inner circumferential surface of the cylindrical portion which constitutes a peripheral wall of the housing recess, and a stopper protrusion projecting outward in an axis-perpendicular direction is provided to the stopper member. The stopper protrusion is positioned further inside the housing recess than the elastic tapered portion and the stopper protrusion overlaps the elastic tapered portion when viewed in axial direction projection.

Abstract: A return spring is provided between a friction pad and a mount member. The return spring biases the friction pad in a return direction for separating the friction pad from the disk, and is made of a metallic plate. The return spring includes a fixation portion on a proximal end side thereof, and the fixation portion is fixed to an ear portion of a back plate of the friction pad. The return spring includes an abutment portion, and the abutment portion is in elastic abutment with an abutment plate portion of a pad spring, which corresponds to a mount member side, on an outer side in a disk radial direction relative to the fixation portion. The pad spring includes a guide portion extending in a disk axial direction and supporting a side surface of an intermediate portion of the return spring.

Abstract: A hydraulic pump including a containment body (2) having inside a cylindrical cavity (3) provided with a conduit (4) communicating with a hydraulic actuator and capable of holding a fluid. A piston (5) is movable in the cylindrical cavity (3) and a reservoir (12) of the fluid is in fluid communication with the cylindrical cavity (3). An actuation device (6) connected to the piston (5) move the piston (5) within the cylindrical cavity (3) to operate the hydraulic actuator. The pump also comprises structure (13) for closing or opening the connection between the reservoir (12) and the cylindrical cavity (3). The reservoir (12) is substantially lined up with the cylindrical cavity (3) along an axis of longitudinal development (X) of same cylindrical cavity (3), so as to reduce the overall dimensions and the weight of the pump.

Abstract: A hollow columnar shock absorbing member (1) has an axis (O), a plurality of rectangular walls (1a, 1b, 1c, 1d) extending parallel to axis (O), and a polygonal cross-section perpendicular to axis (O), wherein the shock absorbing member extends in the direction of axis (O) and absorbs externally-applied impact energy while buckling in the direction of axis (O). The shock absorbing member has at least one bead (2a, 2b, 2c, 2d) formed on at least one wall (1a, 1b, 1c, 1d) among the plurality of walls (1a, 1b, 1c, 1d), the at least one bead (2a, 2b, 2c, 2d) providing the origin of the buckling. The at least one bead (2a, 2b, 2c, 2d) is positioned so as to be deviated towards one edge of a wall (1a, 1b, 1c, 1d) on which the at least one bead (2a, 2b, 2c, 2d) is formed, the edge extending parallel to axis (O).

Abstract: A disc brake includes a brake caliper, in which two brake pads can be pressed against a brake disc when in operation. A brake pad on the action side is actuatable via a brake plunger of a brake application device. The brake plunger is led through an opening of a closure cover that closes a receiving chamber of the brake caliper. A bellows rests against the brake plunger and, on the other side, against the closure cover to seal the receiving chamber. A secondary seal is retained on the closure cover, which secondary seal is arranged concentrically to the bellows and rests against the brake plunger. The secondary seal is configured to rest slidingly against the brake plunger.

Abstract: A magneto-rheological (MR) damping system for preventing stratification of MR fluid is disclosed. The MR damping system has a housing, a piston, and a stir band. The piston operably reciprocates within the housing and includes a circumferential portion. The circumferential portion has a groove. The stir band is disposed in the groove of the piston and includes an outer periphery and a plurality of flexible protrusions. The flexible protrusions have a head portion and a tail portion. The head portion is fixed to the outer periphery. The tail portion extends from the head portion and is disjointed from the outer periphery and is substantially flexible relative to the head portion. Therefore, the stir band diverts a flow of MR fluid in one of a clockwise or a counter-clockwise direction about the circumferential portion of the piston, during a reciprocatory movement of the piston.