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| Number | Title | Issue Date |
| 7100950 | Connecting element The connecting element for transporting gaseous, liquid or solid substances include a tubular coupling which has on the inside a cylindrically running first recess, in which a corrugated tube is arranged, and which has a cylindrically running second recess which adj... | 09/05/2006 |
| 7096993 | Steering mechanism 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 amplit... | 08/29/2006 |
| 7077233 | Layout structure of power steering system for vehicle The degrees of freedom in the design of a layout structure of a power steering system for a vehicle are increased so that the auxiliary parts can be arranged around the power assisting actuator without the need for a special increase in the strength and in the stiff... | 07/18/2006 |
| 7077234 | Rack and pinion steering assembly A rack-and-pinion assembly comprises a housing, a rotatable pinion gear including a plurality of teeth, and at least one moveable mount for providing a moveable attachment of the housing to the vehicle. A rack is slidably positioned within the housing and includes a... | 07/18/2006 |
| 7070019 | Power assisted steering for all terrain vehicle An all terrain vehicle has a frame carried by a group of wheels. At least one of the wheels is steerably connected to the frame. A steering handle assembly is rotatably connected to the frame. A servo valve has an input shaft connected to the steering handle assembl... | 07/04/2006 |
| 7055644 | Power steering system with hydraulic power assistance 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 ca... | 06/06/2006 |
| 7044261 | Power steering motor having a noise dampening piston assembly 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... | 05/16/2006 |
| 7045998 | Rotation detecting device A steering output part is fixed with a worm wheel for power assist. By a spur gear formed on the worm wheel, an input gear of a detecting unit is rotated with a speed increase. Within the detecting unit, provided is a speed-reducing mechanism for speed-reducing the ... | 05/16/2006 |
| 7040449 | Power steering gearbox mechanism for a vehicle including a hydraulic fluid flow control device dependant from a speed at which the vehicle is running Steering gearbox mechanism for automotive vehicles that allows feeding the hydraulic fluid control mechanism of said steering mechanism with pressurized hydraulic fluid, depending on the vehicle's working conditions. Thus, when the vehicle is stopped or running at a... | 05/09/2006 |
| 7036624 | Power steering system 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 cylindri... | 05/02/2006 |
| 7025044 | Pump assembly and method A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the... | 04/11/2006 |
| 7021196 | Steering rack 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 thro... | 04/04/2006 |
| 6978858 | Visual reference control apparatus for hydraulic actuator systems 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 shaft... | 12/27/2005 |
| 6979103 | Ultraviolet lamp standards and methods of use thereof A lamp standard for mounting in an air handling system composed of a stand having a plurality of channels wherein the channels span along the longitudinal axis of the stand and a plurality of lamp modules positioned over the channels. The lamp modules include a hous... | 12/27/2005 |
| 6971472 | Fully hydraulic steering 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... | 12/06/2005 |
| 6945351 | Power steering apparatus 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 ... | 09/20/2005 |
| 6931981 | Hydraulic fluid control device for a hydraulic power-assisted steering system A hydraulic power-assisted steering system (10) includes a pump (12) containing hydraulic fluid. A rack and pinion housing (19) is operatively connected to the pump (12) via a conduit line (16). A hydraulic fluid control device ( | 08/23/2005 |
| 6929087 | Hydraulic power steering system utilizing fuel as a working fluid 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 st... | 08/16/2005 |
| 6929088 | Power steering system A power steering system includes a rotary slide valve which has a housing, an input shaft and an output shaft which can be rotated relative to each other to a limited extent. A centering piston is provided which is non-rotatably and axially movably connected with th... | 08/16/2005 |
| 6926113 | Cushioned steering for articulated vehicle 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 variab... | 08/09/2005 |
| 6896093 | Integral power steering apparatus 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 betwe... | 05/24/2005 |
| 6877582 | Steering equipment for vehicles 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 mov... | 04/12/2005 |
| 6863147 | Hydrostatic power steering device for fast steering 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... | 03/08/2005 |
| 6832969 | Hydraulic power steering system with reservoir and method of operating same 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 h... | 12/21/2004 |
| 6820714 | Hydraulically supported steering system 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 cylin... | 11/23/2004 |
| 6752425 | Semi-active control of automotive steering system vibration with magneto-rheological damping 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, ... | 06/22/2004 |
| 6681885 | Rack and pinion steering gear with powdered metal bushing 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 p... | 01/27/2004 |
| 6681883 | Method and apparatus for suppressing vibration in vehicle a steering system 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 amoun... | 01/27/2004 |
| 6668968 | Power steering system 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... | 12/30/2003 |
| 6668966 | Power steering device 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 p... | 12/30/2003 |
| 6655491 | Power steering apparatus 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) extend... | 12/02/2003 |
| 6644430 | Integral bushing assembly for a rack and pinion steering gear 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) ... | 11/11/2003 |
| 6629545 | Cut-off valve for power steering systems, especially for automobiles 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 adj... | 10/07/2003 |
| 6598696 | Device and method for purging trapped air from a vehicle steering gear housing The present invention involves a purge device for a steering gear assembly of a vehicle. The steering gear assembly includes a steering piston chamber having a piston moveably housed therein and having a hydraulic assist port formed on the steering piston... | 07/29/2003 |
| 6575264 | Precision electro-hydraulic actuator positioning system An electro-hydraulic actuator system (10 or 140) includes a hydraulic actuator (27) having a pair of fluid filled chambers (29, 30) and being operable to provide an actuator output (12) as a function of fluid pressures at the chambers. An electric-hydrost... | 06/10/2003 |
| 6520278 | Hydraulic power steering device A hydraulic power steering apparatus 1 which is arranged so that a damper valve 10 is disposed in hydraulic oil circuits 8 and 9 for connecting an oil passage selector valve 11 in a gear box with right and left oil chambers of a power cylinder 6. The damp... | 02/18/2003 |
| 6508330 | Rotating oleodynamic distribution system for the steering of rear axles of vehicles A hydraulic power steering system for steering rear axles of vehicles comprises a distribution system (10) coupled to a wheel of the rear axle. The distribution system (10) has a core (12) encased in a casing (11) and rotatable to distribute pressurised f... | 01/21/2003 |
| 6503871 | Power steering fluid additive A fluid power steering gear (10) comprises a housing (16). A power steering fluid (34) is disposed within the housing (16). A seal (50) contains the power steering fluid (34) within said housing (16). A member (20) extends through the housing (16) and the... | 01/07/2003 |
| 6467566 | Integral bushing assembly for a rack and pinion steering gear 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 (90) encircli... | 10/22/2002 |
| 6460655 | Vehicle hydraulic system A hydraulic system is provided for a vehicle having front, middle and rear portions. The hydraulic system includes a main pump located in the front portion, and a secondary pump located in the front portion which supplies fluid to an inlet of the main pum... | 10/08/2002 |
