Abstract: An apparatus (10) for use in turning steerable vehicle wheels (12, 14) includes first and second piston and cylinder type hydraulic motors (32, 34) which are connected with a central portion of a vehicle. A steering control valve (24) is operable in response to manual rotation of a steering wheel (18) to effect extension and contraction of the first and second hydraulic motors. A rack and pinion steering gear (110, 114) may be connected with a piston rod (86) of one of the hydraulic motors (32). A secondary control valve (200) may be provided to effect operation of one of the hydraulic motors to a greater extent than the other hydraulic motor.

Abstract: A power steering apparatus includes an input shaft, an output shaft, a piston arranged to separate a first hydraulic chamber and a second hydraulic chamber, a ball screw mechanism, an output member, a control valve configured to supply hydraulic fluid selectively to the first hydraulic chamber through a first connecting passage and to the second hydraulic chamber through a second connecting passage, a first damper valve provided in the first connecting passage, a second damper valve provided in the second connecting passage, and a housing enclosing the piston. The housing is formed with a first valve receiving hole in which the first damper valve is disposed, and a second valve receiving hole in which the second damper valve is disposed.

Abstract: An apparatus according to this invention for carrying hydraulic fluid in a power assisted automotive steering system, includes a tube having a tube wall formed with a first port that extends though a thickness of the tube wall. A housing includes a wall formed with a second port extending though a thickness of the housing wall. A retainer is secured to the housing. A fluid transfer line includes a first surface that contacts an outer surface of the tube, is formed with a passage communicating with the first port, is sealed against fluid flow past the first surface, and is secured to an outer surface of the tube. A second surface contacting the retainer is formed with a passage communicating with the second port, is sealed against fluid flow past the second surface, and is secured to the housing by the retainer.

Abstract: Steering-force detection sections, including a pressure-receiving section and a received-pressure detection section, are spaced from one another in the vicinity of a steering shaft. The steering shaft can include a pressing member for applying pressure to the pressure-receiving section when steering handlebars are rotated in either direction to the maximum steering angle. The pressure-receiving section and the received-pressure detection section are coaxially mounted in a pressure-receiving section casing and a detection section casing, respectively, through a guide tube, so that the pressure-receiving directions of both the pressure-receiving sections are parallel to one another and perpendicular to the direction in which the steering-force detection sections are spaced. The detection section casing includes mounting openings for mounting the received-pressure detecting sections and an electric circuit board, which is integrally connected to the received-pressure detecting sections.

Abstract: An apparatus and method for providing power assisted steering for a marine craft having a manually operable steering pump and a hydraulic steering actuator. A powered hydraulic pump is hydraulically connected between the manually operable pump and the actuator. Hydraulic fluid volume output of the steering pump and hydraulic fluid volume output of the powered pump are sensed. The fluid output of the steering pump is compared with the fluid output of the powered pump and the powered pump is operated so that the output of the powered pump is commensurate with output of the steering pump.

Abstract: A steering system for a straddle carrier includes two side supports with steerable wheels, braces, a hoisting gear, an an upper frame. An operator's cab having a steering wheel is disposed at the upper frame. A servo motor with an inverter is mounted in operative connection with the steering wheel and that operates in four quadrants. The servo motor steers the wheels of the straddle carrier using a steering computer, hydraulic proportional valves, control cylinders, and potentiometers on the side supports.

Abstract: A frequency suppressor for a hydraulic system is shown and described. The frequency suppressor comprises a housing that contains a substantially fixed mass of a compressible substance. The volume of the compressible substance is varied to dampen frequency disturbances in the hydraulic system.

Abstract: The hydraulic steering mechanism according to the present invention includes an axle case, a first steering case, a second steering case, a first arm, a second arms, a third arm, a hydraulic actuator, and a tie rod. The first, second and third arms are provided to the first steering case, the second steering case and the axle case, respectively. The hydraulic actuator includes a cylinder and a piston for moving with respect to each other by an action of hydraulic pressure. The first and second arms have tie rod mounting portions to which the tie rod is mounted. At least one of the first and second arms has a first hydraulic actuator mounting portion to which one of the cylinder and the piston in the hydraulic actuator is mounted. The third arm has a second hydraulic actuator mounting portion to which the other of the cylinder and the piston in the hydraulic actuator is mounted.

Abstract: The invention concerns a hydraulic steering with a steering motor arrangement having at least one steering motor, and with at least two steering circuits, each having a steering valve that interrupts a path from a pressure supply to the steering motor arrangement in the neutral position and releases a path from the pressure supply to the steering motor arrangement on a movement out of the neutral position. It is endeavoured to simplify the embodiment of such a steering. For this purpose, the steering valve (5a, 5b) has two end positions, one on each side of the neutral position, in which positions a path from the pressure supply (15, 21) to the steering motor arrangement (2) is interrupted.

Abstract: An engine driven pump 24 is connected with a power steering motor assembly 18. An electric motor 36 drives a pump 34 connected with the power steering motor assembly 18. A control apparatus 38, 44, 52, 62 and 72 effects operation of the electric motor 36 to drive the pump 34 when the power steering motor assembly 18 requires fluid in addition to fluid supplied by the engine driven pump 24.

Abstract: In a power steering system employing a power cylinder for steering assistance, hydraulic pressure is supplied through a pair of fluid lines to respective hydraulic chambers of the power cylinder. Check valves are provided to charge a hydraulic pressure in a communicating circuit intercommunicating the two fluid lines. Also provided is a solenoid-actuated directional control valve for relieving the hydraulic pressure charged in presence of a power steering system failure. An opening of the directional control valve varies depending on a solenoid attracting force and a pressure differential between the hydraulic pressure in the communicating circuit and hydraulic pressure in a reservoir. A relatively low exciting current is applied to the solenoid when the hydraulic pressure charged exceeds a predetermined pressure value. A relatively high exciting current is applied to the solenoid when the hydraulic pressure charged is less than or equal to the predetermined pressure value.

Abstract: A power steering system includes a hydraulic power cylinder, a hydraulic pump for supplying an oil pressure to the hydraulic power cylinder, an electric motor for driving the hydraulic pump, a first detector for detecting a steering assist force to be applied to a steering wheel, a second detector for detecting an operating condition of the electric motor, and a controller. The controller includes a control section for controlling the electric motor based on the required steering assist force detected by the first detector so as to cause the hydraulic pump to produce a required oil pressure, and a determining section for determining based on the operating condition of the electric motor and the required steering assist force detected by the first detector whether or not the power steering system is abnormal.

Abstract: The invention concerns a hydraulic steering arrangement (1) with a supply connection arrangement having at least a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement having at least two working connections (L, R), a steering unit (7), which can be activated by a steering transducer (2), the steering unit having a first load-sensing connection (LS1), and a steering valve (8) having a second load-sensing connection (LS2), the steering unit (7) and the steering valve (8) being arranged in parallel with each other between the supply connection arrangement and the working connection arrangement. It is endeavoured to ensure a good steering behaviour.

Abstract: A power steering system includes a reversible-type oil pump supplying hydraulic fluid to first and second pressure chambers of a hydraulic power cylinder through first and second passages and having first and second discharge ports, and a branch passage conveying part of hydraulic fluid discharged from the discharge ports of the oil pump to the outside of the pressure chambers of the power cylinder, wherein the branch passage has a passage sectional area greater than a total leak sectional area of the oil pump.

Abstract: An electric power steering apparatus transmits a driving force of an electric motor to a steering mechanism for steering assist. The apparatus includes a torque sensor which detects a steering wheel torque; a basic assist characteristic determining section which determines a basic assist characteristic defining a basic characteristic of a motor driving target value for the steering torque; a motor driving target value determining section which determines the motor driving target value for the steering torque in accordance with a modified assist characteristic prepared by shifting the basic assist characteristic along a steering torque coordinate axis; a shift amount determining section which determines the amount of the shift from the basic assist characteristic to the modified assist characteristic on the basis of the steering torque; and a motor driving section which drives the electric motor on the basis of the motor driving target value.

Abstract: One of the mode lamps 38a, 38b and 38c of the mode indicator 38 corresponding to the current steering mode is turned on yellow and the other mode lamps are turned on green or turned off, thereby indicating whether front wheels 1, 1 and rear wheels 2, 2 are at neutral. A controller 39 does not operate a mode changing valve 24 even with an instruction outputted from a mode change switch 35 when the front and rear wheels are not at neutral, and operates, in response to an instruction outputted from the mode change switch 35, the mode changing valve 24 to establish a steering mode corresponding to the instruction when the front and rear wheels are at neutral. Also, the mode indicator 38 is controlled to always indicate, as the current steering mode, one corresponding to the steering mode actually established by the mode changing valve 24.

Abstract: In a steering mechanism for a motor vehicle having a steering wheel with a steering shaft connected to a steering gear arrangement, the steering shaft comprises a first vibration damping element for accommodating and attenuating vibrations with relatively low amplitudes as they are generated by uneven road surfaces and a second element having lower damping characteristics than the first element for the transmission of steering movements from the steering wheel to the steering gear arrangement.

Abstract: A hydraulic power-assisted steering system, in particular for motor vehicles, has a hydraulic pump for generating hydraulic pressure for assisting the steering and an electromagnetic valve, in addition to a motor for driving the hydraulic pump. The hydraulic pump can be decoupled from the motor by a coupling.

Abstract: An apparatus (10) for turning steerable wheels of a vehicle comprises a housing (14) that defines a fluid chamber (24). A rack bar (26) extends longitudinally through the housing (14) and is connectable with the steerable wheels of the vehicle. The rack bar (26) is movable relative to the housing (14) for turning the steerable wheels. A piston assembly (34) is fixedly attached to the rack bar (26) and sealingly engages the housing (14). The piston assembly (34) divides the fluid chamber (24) into first and second chamber portions (40 and 42). A fluid source (80) directs fluid toward one of the first and second chamber portions (40 or 42) for creating a differential pressure between the first and second chamber portions (40 and 42). The piston assembly (34) and the rack bar (26) move relative to the housing (14) in response to the differential pressure. The piston assembly (34) includes structure (132) for dampening fluid pulsations emanating from the fluid source (80).

Abstract: A power steering system includes a first R-shaped portion formed with a cylindrical wall and curvedly extending from an outer-periphery general face of the cylindrical wall to the outer periphery of a butt wall, and a second R-shaped portion formed with the cylindrical wall and arranged between the butt wall and the first R-shaped portion, wherein the second R-shaped portion is smaller in radius of curvature than the first R-shaped portion.

Abstract: The present invention comprises an improved steering rack in which sliding sleeves within the main cylinder allow a channel to be cut through the main cylinder to allow for passage of the stationary piston attachment pin without allowing hydraulic fluid to leak through the channel.

Abstract: A control apparatus for controlling movement of a hydraulic actuator of a hydraulic control system associated with, for example, an off-road vehicle or a vessel. A geared transmission adapted to be connectable to a support member has rotatable input and output shafts, and a speed ratio of greater than unity and preferably as high as 5 to 10:1. A manually operated steering wheel is supported for substantially free rotation with, the input shaft. A rotatably actuated voltage generator is driven in rotation by the transmission output shaft to produce a high d.c. voltage, low current output signal which is proportional to the speed of rotation of the steering wheel while the output signal polarity is determined by the direction of movement of the steering wheel. A hydraulic valve driver transforms the d.c. output signal into a proportional pulse width modulated voltage control signal which controls position and movement of the hydraulic actuator.

Abstract: The invention concerns a fully hydraulic steering with a steering member, a steering unit that can be activated by the steering member, said steering unit comprising a supply connection arrangement (P, T) with a pressure connection (P) and a tank connection (T), and a working connection arrangement (L, R) with two working connections (L, R), and a steering motor, which is connected with the working connection arrangement (L, R). It is endeavored to increase the possibilities of steering. For this purpose, it is ensured that an auxiliary force operated steering valve is arranged in parallel to the steering unit between the supply connection arrangement (P, T) and the working connection arrangement (L, R).

Abstract: In a power steering apparatus, a basic-target-rotational-speed setting portion 42 sets a basic target rotational speed Rb of an electric motor 27 on the basis of the vehicle speed and the angular velocity of steering. A temperature-coefficient setting portion 43 sets a temperature coefficient ? which becomes smaller with an increase in the temperature. A target-rotational-speed setting portion 44 sets a target rotational speed R of the electric motor 27 on the basis of the formula R=?·Rb. A motor-drive control portion 45 controls a drive circuit 28 so that this target rotational speed R will be attained.

Abstract: A hydraulic power steering system for a diesel-fueled truck utilizes vehicle fuel as a working fluid. The steering system includes a power steering gear connected to the steerable wheels of the truck. A first pump flows fuel from the truck's fuel tank to both the steering gear and to the engine. A second pump increases the pressure of the fluid to the steering gear to provide power assist. The flow to the steering gear returns to the fuel tank for recirculation.

Abstract: An articulated wheel loader provides a cushioned deceleration at the limits of its turning to the left and to the right by reducing fluid flow through a hydraulic steering cylinder as the articulated frames approach abutment. The throttled fluid flow causes a variable displacement pump to de-stroke, which further cushions the deceleration.

Abstract: An integral power steering apparatus includes a stroke limiter. A piston defines two hydraulic chambers in a housing. A communicating passage, a first valve disposed between the first hydraulic chamber and the communicating passage, and a second valve disposed between the second hydraulic chamber and the communicating passage, are provided to serve for a stroke limiter, in addition to a hydraulic circuit for supplying hydraulic fluid to the two hydraulic chambers. The two valves each include a valve body having a bore and serving as a valve seat, a plunger slidably fitted within the bore of the valve body and serving as a valving element, and a spring disposed on the bottom of the bore of the valve body and biasing the plunger to be in contact with the valve body.

Abstract: Steering equipment for a work vehicle includes a steering transmission shaft mounted so that the shaft can turn within a steering column, and with a control device for actuating a steering operating unit. The control device includes a reference member, which can move along the transmission shaft and a sensor device fixed to the steering column in a position substantially facing the reference member for detecting a position of the reference member along the transmission shaft. The sensor provides a displacement signal that is used to vary the steering ratio, such as steering speed.

Abstract: Hydrostatic power steering device comprising a source of pressurized fluid, a cylindrical barrel-type distributor the elements of which are connected elastically together, and of which the inner element, the so called spindle, is connected to the steering wheel; the distributor being arranged to assume a central position, the so-called neutral position, in which it directly short-circuits, to discharge, the fluid originating from the source of pressurized fluid, and two positions, symmetrical about the central position, in which the distributor, via a dispenser of orbital type the rotor of which is rigidly connected to the steering wheel shaft and to the spindle, feeds the fluid to one and respectively to the other of the chambers of a hydraulic actuator connected to the steering wheel; the device also comprises an auxiliary conduit for feeding the pressurized fluid to the cylindrical distributor; a slide valve operable by the driver to feed said auxiliary feed conduit when desired; a barrel locking system op

Abstract: An apparatus (10) comprises a hydraulic fluid operated automatic transmission (20) for transmitting motive power from an engine (22) of a vehicle (16) to drive wheels (24) of the vehicle. The apparatus (10) also includes a hydraulic fluid power assisted steering gear (12) for effecting steering movement of steerable wheels (14) of the vehicle (16), the steering gear including a fluid motor (19). The apparatus (10) includes one body of hydraulic fluid (30) for operating both the transmission (20) and the steering gear (12), and one reservoir (32). A transmission pump (40) connected with the reservoir (32) pumps fluid (30) between the reservoir and the transmission (20). A power steering pump (34) connected with the reservoir (32) pumps fluid (30) between the reservoir and the motor (19). One of the pumps (40, 34) is operative to pump fluid (30) between the reservoir (32) and a cooler (50).

Abstract: The hydraulic steering mechanism according to the present invention includes an axle case, a first steering case, a second steering case, a first arm, a second arms, a third arm, a hydraulic actuator, and a tie rod. The first, second and third arms are provided to the first steering case, the second steering case and the axle case, respectively. The hydraulic actuator includes a cylinder and a piston for moving with respect to each other by an action of hydraulic pressure. The first and second arms have tie rod mounting portions to which the tie rod is mounted. At least one of the first and second arms has a first hydraulic actuator mounting portion to which one of the cylinder and the piston in the hydraulic actuator is mounted. The third arm has a second hydraulic actuator mounting portion to which the other of the cylinder and the piston in the hydraulic actuator is mounted.

Abstract: The invention relates to a hydraulically supported steering system with a steering gear, which is driven by a hydraulic piston/cylinder unit. The steering system includes a piston. The piston is axially displaced in a cylinder and divides the cylinder into two cylinder chambers. Each cylinder chamber is connected to a separate hydraulic line that serves both as pressure supply line and as return line. The hydraulic lines are also connected to a servo valve. A throttle mechanism, which features a variable flow resistance in at least one flow direction is arranged in at least one hydraulic line. The flow of hydraulic fluid through the self-regulating throttle mechanism determines the flow resistance in this flow direction, namely a higher flow resistance will occur at low flow and lower flow resistance at high flow.

Abstract: An apparatus (10) for turning steerable wheels of a vehicle comprises a housing (14) that defines a fluid chamber (24). A rack bar (26) extends longitudinally through the housing (14) and is connectable with the steerable wheels of the vehicle. The rack bar (26) is movable relative to the housing (14) for turning the steerable wheels. A piston assembly (34) is fixedly attached to the rack bar (26) and sealingly engages the housing (14). The piston assembly (34) divides the fluid chamber (24) into first and second chamber portions (40 and 42). A fluid source (80) directs fluid toward one of the first and second chamber portions (40 or 42) for creating a differential pressure between the first and second chamber portions (40 and 42). The piston assembly (34) and the rack bar (26) move relative to the housing (14) in response to the differential pressure. The piston assembly (34) includes structure (132) for dampening fluid pulsations emanating from the fluid source (80).

Abstract: Steering equipment is provided with a transmission shaft (4) mounted so that it can turn within a steering column (2), and with a control device (8) for actuating an operating unit; the control device (8) being provided with a switch (9) and a control member (18), which has substantially the shape of the sector of a circle and can move between an operative position, in which the control member (18) sets itself about a longitudinal axis (3) of the steering column (2), and a position of actuation of the switch (9).

Abstract: A power steering system includes a first R-shaped portion formed with a cylindrical wall and curvedly extending from an outer-periphery general face of the cylindrical wall to the outer periphery of a butt wall, and a second R-shaped portion formed with the cylindrical wall and arranged between the butt wall and the first R-shaped portion, wherein the second R-shaped portion is smaller in radius of curvature than the first R-shaped portion.

Abstract: An electro-hydraulic power steering apparatus includes: a motor having a rotational shaft and provided with a bearing for rotatably bearing the rotational shaft; a hydraulic pump disposed at one end of the rotational shaft of the motor and driven by the motor; a first elastic body for supporting the bearing; and a second elastic body for pressing the bearing in an axial direction.

Abstract: A magnetorheological (MR) vibration damper for damping axial and rotational vibrations of an automotive steering system may include a housing encasing MR fluid therein and a gear-like rotor and orifice plate disposed within the housing. The rotor and orifice plate, which may be affixed to the steering wheel shaft, includes a plurality of gear-like teeth on its surface and a plurality of holes for producing shear and normal forces, respectively, on the MR fluid. Electric coils may be disposed within the housing for generating an electric field for activating the MR fluid. The MR vibration damper may be activated or deactivated by a controller by comparing a signal value from a steering wheel vibration sensor to a predetermined threshold value. The controller may be programmable by a user to increase or decrease the predetermined threshold value, so as to enable customization of driving feel.

Abstract: An oleopneumatic actuator cylinder device for steering and self-centering for the alignment to a straight drive of steering or self-steering axles, in particular for rear axles (11) of vehicles (10), is constituted by a single oleopneumatic actuator cylinder (25), for each of said respective rear steering axles (11), said actuator cylinder (25) comprising a sector (41) communicating with a respective pneumatic circuit (34) and closed at one end thereof by a suitable bottom base (43), and a sector (40) communicating with a respective oleodynamic circuit (37), said actuator cylinder (25) being cinematically connected, by means of a stem (33), to a suitable mechanical driving element (24) suitable for moving the wheels (26, 31) of the said axles (11).

Abstract: An integrated hydraulic control system includes a steering control unit and a priority flow divider integrated into a unitary casing. An interface fluidly couples the casing for the steering control unit and priority flow divider directly to a control valve casing. All hydraulic communication between the steering control unit, the priority flow divider, and the control valve are located inside the casings.

Abstract: A steering damper has a pair of damper portions each including a variable throttle valve for restricting inflow from a power cylinder into a flow passage change-over valve, the variable throttle valve provided on the way to each cylinder passage and a first check valve for permitting inflow from the flow passage change-over valve into the power cylinder, the check valve connected in parallel with the variable throttle valve. The steering damper has a second check valve in communication to a tank between the first check valve and left and right chambers of the power cylinder.

Abstract: For a power steering system which has, as a recirculating ball steering, a worm shaft and, enclosing this, a working plunger which is to be actuated by a bead chain axially shiftably with respect to the worm shaft, an axial seal is provided for the annular gap between the working plunger and the worm shaft which has a multi-part arrangement, and which has two support rings and one sealing ring, engaging between the support rings, pointing in opposite directions and guided in an annular grove of the working plunger, the width of the annular groove being greater than the axial width of the axial seal at the support rings arranged adjacent to the sealing ring.

Abstract: A rack and pinion steering apparatus (10) comprises a housing (12). Helical teeth (60) of a pinion gear (54) meshingly engage teeth of a rack bar (42) and, during rotation of the pinion gear (54), result in an axial force. A shaft (86) connects with the pinion gear (54). Rotation of the shaft (86) effects rotation of the pinion gear (54). An assembly is interposed between the shaft (86) and the housing (12). The assembly comprises a first snap ring (142) that is attached to the shaft (86) and a second snap ring (144) that is attached to the housing (12). Interposed between the first and second snap rings (142 and 144) are only a fluid tight seal (146) for blocking fluid leakage from the housing (12) and a bushing (108) for enabling rotation of the shaft (86) relative to the housing (12) and for engaging the first snap ring (142) to block axial displacement of the pinion gear (54) due to the axial force acting on the pinion gear (54).

Abstract: A system for reducing steering nibble and other vibrations in a power-assisted steering system increases the amount of damping force when a power steering boost system is applying little or no steering force to the steering actuator, and reduces the amount of damping force when the power boost system is applying significant steering force to the steering actuator. A damping member is formed of a polymer material and is urged into contact with the steering actuator by a spring-biased clamping member. A shuttle valve regulates pressure from the hydraulic steering boost system to overcome the spring biasing force whenever hydraulic pressure is applied to the steering actuator. The preload of the spring biasing mechanism is varied by an electronic control unit that receives inputs from a driver-activated switch, and from vehicle condition sensors to allow automatic, adaptive adjustment of the damping to optimize driving comfort and safety.

Abstract: A power steering system is provided which makes it possible to simplify assembly onto a vehicle body and to enhance assembly accuracy. A steering shaft is divided into two portions in the axial direction. The lower of the two portions is an input shaft. A connecting cylinder to which the input shaft is serration-fitted is integrally provided at a lower portion of the steering shaft. A side wall of the connecting cylinder is provided with a groove in the axial direction. A fastening device is provided for reducing the diameter of the connecting cylinder so as to reduce the width of the groove. A spool lever is integrally fitted to the input shaft.

Abstract: To provide a power steering device capable of increasing the degree of freedom in the layout of the various elements, stabilizing the surface of the oil and preventing air from being included or mixing foreign materials with the oil in the oil tank. The power steering device includes a power assist cylinder arranged between a steering shaft and a chassis frame. A control valve is operated by the steering shaft to control the power assist cylinder. An oil pump pressurizes operating oil supplied to the power assist cylinder. Furthermore, an oil tank stores the operating oil, wherein the oil tank is of a closed type and integrally arranged in the oil pump.

Abstract: An energy saving system and method reduces power consumption of an electro-hydraulic power steering system of a hybrid vehicle. The electro-hydraulic power steering system includes a first controller that communicates with an electric motor that is coupled to a hydraulic pump. The first controller selects Standby, On or Off operating modes for the electro-hydraulic power steering system. The first controller applies power to the electric motor and the first controller based on the selected operating mode to reduce power consumption. The first controller turns the first controller off and the motor off when in the Off operating mode. The first controller turns the electric motor off and the controller on when in the Standby operating mode. The first controller turns the electric motor on and the controller on when in the On operating mode.

Abstract: A power steering apparatus (10) includes a housing (22) defining a chamber (25) for holding power steering fluid. The housing (22) has an opening (62, 104, 154) defined by a projection (64, 102, 152) integrally formed on the housing. A conduit (50) extends into the opening (62, 104, 154) and is connected with the projection (64, 102, 152) on the housing (22). A connector assembly (60, 100, 150) connects the conduit (50) with the projection (64, 102, 152) on the housing (22). The connector assembly (60, 100, 150) includes a clip (68, 108, 158) having a base (78, 118, 168) with an opening (82, 126, 176) and a plurality of resilient fingers (80, 122, 170) extending from the base. Either the conduit (50) or the projection (64, 102, 152) extends through the opening (82, 126, 176) in the base (78, 118, 168) and engages the base. The fingers (80, 122, 170) engage the other of the conduit (50) and the projection (64, 102, 152).

Abstract: A fluid power assisted rack and pinion steering apparatus (10) for a vehicle includes a rack (40) connectable with steerable wheels of the vehicle, a housing (20) partially enclosing the rack (40) and defining a fluid chamber (39), a bushing (390 or 590) encircling the rack (40), a sleeve (420 or 620) supporting the rack (40) for sliding movement relative to the bushing (390 or 590), and a fluid tight seal member (370 or 570) for sealing the fluid chamber (39). The bushing (390 or 590) has opposite axial ends (391, 412 or 591, 612) and is secured in the housing (20) by an interference fit between an outer surface 394 or 594) of the bushing (390 or 590) and an inner surface (26) of the housing (20). The sleeve (420 or 620) extends between the bushing (390 or 590) and the rack (40). The sleeve (420 or 620) has at least one radially extending tab (431 or 631) received in a corresponding recess (418 or 618) in the bushing (390 or 590).

Abstract: Method and arrangement for operating self-steering wheels on a non-driving axle (3) in a vehicle, which wheels (1, 2) are each mounted on their own stub axle (4, 5) and connected to a tie rod (8). The axle (3) and one (4) of the stub axles are connected by a cylinder (12) with two separate chambers (16, 17), each chamber having an individually adjustable piston (22, 23), the cylinder (12) having a first, freely movable state, in which its length is variable, and a second, pressurized state, in which its length (S3) is fixed, and in that each chamber (16, 17) has at least one connection (18, 19, 20, 21) for pressure medium for acting on the respective piston (22, 23) in the cylinder (12).

Abstract: A cut-off valve for power steering systems, especially for automobiles, includes a source of a pressure and a container, and is used for limiting a pressure in at least one pressure chamber. The cut-off valve also includes a closing body, which may be adjusted against the force of a spring and a fixed throttling point, which is located in a connecting line between the pressure chamber that is subjected to a first pressure and a pressure chamber that is subjected to a second pressure. The cross-section of the throttling point may be regulated without being disassembled from the outside. By altering the cross-section of the throttle point, it is possible to reduce the width of the tolerance zone or the width of the hysteresis of the valve characteristics to approximately half of the original size.