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Class 180/418 - Between articulated wheeled vehicle sections


Subclass of Class 180 - Motor vehicles
Definition: Subject matter wherein the vehicle comprises a plurality
No. of patents: 81
Last issue date: 08/23/2011


1      
NumberTitleIssue Date
8002074Center-pivot steering articulated vehicle
The center-pivot vehicle has forward and rearward sections with traversing means for traversing terrain. A rotary actuator connects the forward and rearward sections. Rotation of the rotary actuator articulates the forward and rearward sections relative to each othe...
08/23/2011
7896125Hydraulic steering device for vehicles
A hydraulic steering device for vehicles, especially construction machines, with which is simple and robust mechanically and can be precisely controlled, without possessing the disadvantages of the current state of the art. A hydraulic swivelling motor for producing...
03/01/2011
7849956On-demand electro-hydraulic steering system
A method of steering a vehicle with a hydraulic steering system is disclosed. A first control signal is sent to a pilot valve. The pilot valve is operated to direct pilot fluid to a main valve in response to the first control signal. The main valve is opened to a fi...
12/14/2010
7721842Articulated work vehicle steering system with controlled steering cushioning and associated method
A steering system is provided for a work vehicle comprising articulated first and second vehicle sections. The steering system comprises a controller adapted to: determine from a speed-request signal if a requested steering speed requested for the first vehicle sect...
05/25/2010
7610989Control system and a vehicle comprising the control system
System for controlling at least one hydraulic cylinder (2, 3) having a first control valve unit (4) connected to the hydraulic cylinder for regulation thereof. A first operable control means (5) is included and which is adapted for controlling t...
11/03/2009
7434653On-demand electro-hydraulic steering system
A hydraulic steering system for a work machine may include a first steering actuator having a first and a second chamber. In addition, the steering system may include a second steering actuator having a third and a fourth chamber. A multi-position directional valve ...
10/14/2008
7412315Steering system for articulated vehicles
A steering system for an articulated vehicle has a microprocessor connected to a proportional solenoid valve which controls the direction, amount and rate of flow of hydraulic fluid to and from hydraulic articulation cylinders, which provide articulation between the...
08/12/2008
7389847Hydraulic four-wheel driving articulated vehicle
A hydraulic four-wheel driving articulated vehicle comprises: a first frame, on which first axles and a first hydraulic motor driving the first axles are mounted; a second frame, on which second axles and a second hydraulic motor driving the second axles are mounted...
06/24/2008
7364004Apparatus for use in turning steerable vehicle wheels
An apparatus (10) for use in turning steerable vehicle wheels (14, 16) includes a hydraulic power steering motor (12). A pump (26) is operable to supply hydraulic fluid to the power steering motor (12). A gearset (50) is con...
04/29/2008
7338061Stabilized vehicle using articulating joint
The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll preventing force. This enables a new form of automobile that is especiall...
03/04/2008
7269489Adaptive rear-wheel steer open-loop control for vehicle-trailer system
A rear-wheel steering control system for a vehicle/trailer combination that adaptively changes an open-loop feed-forward command signal for different trailers or the same trailer with different configurations based only on vehicle parameters. The system includes a h...
09/11/2007
7233853Multiple mode operational system for work vehicle braking
A work vehicle includes a multiple mode operational system having a work system such as a linkage and associated hydraulic cylinders of a backhoe, a braking system and a multiple mode control system. The multiple mode control system includes a central controller, a ...
06/19/2007
7219913Articulated vehicle wheel tracking mechanism
The invention provides a trailer for use as part of an articulated vehicle (15) with improved cornering characteristics. The trailer includes: a main chassis (18) connectable to a wheeled section (16) of the vehicle immediately ahead of the trai...
05/22/2007
7147241Steering device for towed implements
The present invention relates to a steering device for facilitating the steering of an implement towed by a work vehicle. The towed implement, for example, a farm implement such as a seeding device, comprises a main frame having front and rear ends and at least one ...
12/12/2006
7143863Articulated harvester and method for converting a harvester and towed grain trailer into an articulated harvester
An articulated harvester includes a powered harvester having a pair of forward wheels or tracks, having a pair of rotatable rearward caster wheels, and carrying an on-board harvester grain bin for housing harvested grain. The harvester tows a grain cart, which carri...
12/05/2006
7040428Chassis structure for a forest machine
The invention relates to a chassis structure for a working machine moving on a terrain, the chassis structure comprising a pair of front wheels and a pair of rear wheels supporting the frame, and a controlled frame joint between the frame parts, when the frame is co...
05/09/2006
6999856Trailer tongue length estimation using a trailer yaw rate sensor
A control system for estimating the tongue length of a trailer being towed by a vehicle in connection with a front wheel steering with or without coordinated rear wheel steering associated with the vehicle. The control system employs an algorithm that calculates an ...
02/14/2006
6938720Steering input devices for steer-by-wire systems
A steering input device for a steer-by-wire system is provided. The input device comprises a first shaft and a hand wheel. The first shaft is rotatably installed in a first housing. The hand wheel is connected to the first shaft such that the hand wheel and the firs...
09/06/2005
6926113Cushioned 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
6910699Magnetorheological fluid brake and force-feedback system for a steering mechanism
A magnetorheological fluid brake utilizing a positive displacement fluid pump adapted to pump a magnetorheological fluid through a viscosity regulator. The viscosity regulator is adapted to controllably vary the viscosity of the magnetorheological fluid, altering th...
06/28/2005
6874800Hospital bed wheel linkage apparatus
A patient support including a linkage assembly providing communication between at least one front wheel and at least one rear wheel. ...
04/05/2005
6842671Systems and methods for controlling handling characteristics of a tire
One embodiment of the present invention relates to systems and methods for controlling handling characteristics of a tire. Another embodiment of the present invention relates to a tire having controllable handling characteristics. ...
01/11/2005
6763906Rear wheel steering device
A rear part of a vehicle body is supported by a rear-front axle (18) and a rear-rear axle (20), and right and left rear-front wheels (17) rotatably mounted at opposite ends of the rear-front axle (18) are constituted so as to be steered b...
07/20/2004
6735507Four wheel steering system and method for trailering
An all wheel steering system for a vehicle comprising a controller having a first input for receiving a signal from a hand wheel position sensor, a second input for receiving a signal from a vehicle speed sensor, and a third input for receiving a signal that varies ...
05/11/2004
6684975Method for steering a vehicle and steering system therefore
A method for steering a vehicle and a steering system (1) comprises: a vehicle, with a first wheel steering arrangement (10), and a second articulated steering arrangement (11), a steering unit (2) which is common for both steering (10, 11) arrangements a...
02/03/2004
6609587Frame assembly for a work machine
A frame for a work machine includes a first side wall portion having a first and second bore hole defined therein. The frame further includes a second side wall portion having a third and fourth bore hole defined therein. The first bore hole is linearly a...
08/26/2003
6604351Joint for an articulated vehicle
The present invention is addressed to a joint which includes an upper frame member carried by the forward unit and having a recess on its lower side and a lower frame member carried by the forward unit, having a recess on its upper side, and being spaced-...
08/12/2003
6533061Bolt-together hitch for articulated machine
A bolt-together hitch for a machine having articulatable first and second sections, including a generally annular yoke member of cast steel having a cylindrical portion which is trunnion mounted by bearings in a longitudinal bore formed by the first secti...
03/18/2003
6505701Steering system for a vehicle
A steering system (1) for a vehicle with a first steering arrangement (6), with a first sensor (7), with a second steering arrangement (8), which includes an articulated steering, which has a second sensor (9), and with a steering unit (5). To improve the...
01/14/2003
6402177Hitch assembly for the front frame of an articulated construction machine
In many types of construction machines, the frame assembly comprises a rear frame that supports the engine and drive train components and a front frame that supports the work implement. In this type of machine, the two frames are normally pinned together ...
06/11/2002
6299181Vehicle having steerable wheels
A log hauler having a wheeled tractor and one or more wheeled log trailers with support wheels which are individually steerable to permit the log hauler to travel in a serpentine manner through a tree harvesting area. The support wheels are vertically adj...
10/09/2001
6179315Steerable machinery trailer
A steerable machinery trailer (1) has a chassis (2, 33, 35, 36) intermediate a pivotal towing attachment (26, 29, 30, 46) and trailer wheels (3) proximate a rear portion of the chassis. The trailer wheels have pivotal attachment to the trailer and are piv...
01/30/2001
6179082Hydraulic steering apparatus and method
A hydraulic steering apparatus having a small angle of operation, can be minutely and smoothly controlled and requires a small number of operation times. The hydraulic steering apparatus is mounted onto an automatic traveling vehicle and has a pilot valve...
01/30/2001
6170848System and related method for steering an articulated train
An articulated train such as a coal haulage system includes first, second, third and fourth vehicles pivotally pinned to one another in end-to-end relationship. In the improvement, the train includes a steering system having first mechanism for selectivel...
01/09/2001
6168368Frame assembly for a construction machine
In many types of construction machines, the frame assembly comprises a rear frame that supports the engine and the majority of the drive train components and a front frame that supports the work implement and related structure. In this type of machine, th...
01/02/2001
6167982Steering system for an articulated tracked combine
One aspect of the present invention relates to a steering system for an articulated tracked combine composed of (i) a forward unit having a pair of differentially-connected powered non-steering wheels or tracks and (ii) a tracked rearward unit having powe...
01/02/2001
6158544Steering system for an articulated machine
In articulated machines it has long been a desire to provide a steering system that will permit the incorporation of machine controls into a steering wheel assembly and yet provide the operator with mechanical feedback through the steering wheel. The pres...
12/12/2000
6131691System for guided steering of at least one set of wheels of a semi-trailer or a trailer
The system for guided steering of a set of rear wheels of a semi-trailer comprises a pulling vehicle and a semi-trailer having rear wheels which are turnable with respect to a chassis of the trailer to turn from a neutral position to one or the other side...
10/17/2000
6129170Steering system
A steering system for an articulated steered mobile work machine has a first sensor for sensing the relative angular position of first and second machine sections and a second sensor for sensing the relative angular position of second and a third machine ...
10/10/2000
6098870Frame assembly for a construction machine and an associated method of manufacturing the frame assembly
A frame assembly includes a central tower portion having a first side wall portion and a second side wall portion. The first side wall portion has a first leg and a first arm each extending therefrom, and the second side wall portion has a second leg and ...
08/08/2000
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