| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Cab suspension | US12945325 | 2010-11-12 | US08225903B2 | 2012-07-24 | James Thomas Dunn |
| A suspension for a cab base on the frame of a swather tractor includes four dampened springs at the four corners with three links each pivoted on one end of the frame and the other end on the base. The links include two parallel links in the fore and aft direction parallel to the mechanical speed control link arm and one side to side link which constrain movement of the base against fore and aft movement and side to side movement parallel to the mechanical steering control link arm. This arrangement restricts movement of the base while allowing roll and pitch movements of the cab structure with the links arranged such that steering and ground speed are substantially unaffected when the cab moves on the suspension. | ||||||
| 62 | Electronic steering assembly for dual motor vehicle | US12460843 | 2009-07-24 | US08132634B1 | 2012-03-13 | Michael J. Flowers |
| An electronic steering assembly is disclosed for a dual motor vehicle having a first and a second motor for driving a first and a second drive wheel. The electronic steering assembly comprises a handlebar rotatably mounted relative to a base. A sensor senses the rotational position of the handlebar relative to the base. A control is interposed between the sensor and the first and second motors for powering the first and second motors in accordance with the rotational position of the handlebars for steering the dual motor vehicle through the rotational movement of the handlebar. | ||||||
| 63 | Steering system for an adaptable vehicle | US12438163 | 2007-08-28 | US08074751B2 | 2011-12-13 | Pierre Bernard; Guy Gaudreau |
| The powered hybrid vehicle is capable of being operative in either one of first and second distinct driving modes each including corresponding first and second directional systems. The hybrid vehicle has a control shaft operatively coupled to a steering device, a first steering member operatively coupled to the first directional system, a second steering member operatively coupled to the second directional system and a shaft coupler capable of selectively coupling the control shaft to either one of the first and second steering members. The hybrid vehicle may be steered by controlling the steering device notwithstanding which one of the first and second driving mode it is in. | ||||||
| 64 | CAB SUSPENSION | US12945325 | 2010-11-12 | US20110108333A1 | 2011-05-12 | James Thomas Dunn |
| A suspension for a cab base on the frame of a swather tractor includes four dampened springs at the four corners with three links each pivoted on one end of the frame and the other end on the base. The links include two parallel links in the fore and aft direction parallel to the mechanical speed control link arm and one side to side link which constrain movement of the base against fore and aft movement and side to side movement parallel to the mechanical steering control link arm. This arrangement restricts movement of the base while allowing roll and pitch movements of the cab structure with the links arranged such that steering and ground speed are substantially unaffected when the cab moves on the suspension. | ||||||
| 65 | Hydrostatic transaxle | US12714710 | 2010-03-01 | US07900735B2 | 2011-03-08 | Koji Iwaki; Norihiro Ishii; Fumitoshi Ishino |
| A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle. | ||||||
| 66 | POWER TRAIN, VEHICLE AND METHODS | US12445333 | 2007-10-12 | US20110036658A1 | 2011-02-17 | Codrin-Gruie Cantemir; Gabriel G. Ursescu; Giorgio Rizzoni |
| A powertrain is adapted to drive ground-engaging elements disposed along longitudinally-opposing sides of a vehicle. The powertrain includes at least one engine, a first electric machine, a second electric machine, a third electric machine, a first differential mechanism and a second differential mechanism. The engine and first electric machine are operatively connected to the first and second differential mechanisms. The second electric machine is operatively connected to the first differential mechanism and the third electric machine is operatively connected to the second differential mechanism. The first and second differential mechanisms are each operatively connected to drivably engage one or more ground-engaging elements disposed on a different one of the longitudinally-opposing sides of the associated vehicle. A vehicle including such a powertrain as well as methods of using the same are also included. | ||||||
| 67 | Systems and methods for controlling slip of vehicle drive members | US11606201 | 2006-11-30 | US07798272B2 | 2010-09-21 | Randall D. Pruitt; Igor Strashny |
| A system for controlling slip of vehicle drive members is disclosed. The system includes a power train including a plurality of drive members and a hydraulic transmission configured to supply torque to at least one of the drive members. A magnitude of the torque is related to fluid flow in the hydraulic transmission. The system further includes a controller configured to control the fluid flow in the hydraulic transmission. The controller is configured to receive a signal indicative of a steering command and a signal indicative of a parameter related to pressure in the hydraulic transmission. The controller is further configured to control slip of the at least one drive member based on the signal indicative of a steering command and the signal indicative of a parameter related to pressure. | ||||||
| 68 | Electrically propulsed vehicle | US10579243 | 2007-11-12 | US07798262B2 | 2010-09-21 | Lennart Lundström |
| A vehicle has at least three drive axles each with a pair of drive wheels, a steering system that directly controls the steering angle between at least two of the drive axles. The vehicle is arranged so that all drive wheels on its right hand side and left hand side, respectively, essentially follow the same wheel tracks when it is driven. The frequency of rotation is individually controllable for each drive wheel. The vehicle includes differential compensating elements arranged to register the relative steering angle for each consecutive pair of drive axles, respectively, and the mutual frequency of rotation for the drive wheels of each drive axle is controlled by the registered relative steering angle associated with the axle. A drive axle arrangement for such a vehicle is also disclosed. | ||||||
| 69 | PROPULSION AND STEERING SYSTEM FOR A ROAD MILLING MACHINE | US12442102 | 2007-09-28 | US20100021234A1 | 2010-01-28 | Paul E. Willis; Justin Zupanc |
| A propulsion system is for a road milling machine with a rotatable cutter drum (3). The system includes four crawler assemblies (12) movably coupled with the mainframe so as to define front and rear, and left and right, pairs of crawler assemblies. Four steering actuators (14) are each coupled with a separate crawler assembly and each angularly displaces the crawler about a vertical axis (12a). A first pump (16A) is fluidly coupled with the left pair of crawlers and a second pump (16B) is fluidly coupled with the right pair of crawlers. A control (20) is configured to selectively operate the four actuators in a plurality of different steering modes, one steering mode being a circle steer mode, and to operate the two pumps such that one of the left and right pairs of crawlers are drivable by the first pump in one direction while the other pair of crawlers are drivable in an opposing direction. | ||||||
| 70 | CRAWLER VEHICLE DRIVE CONTROL SYSTEM | US12242379 | 2008-09-30 | US20090090594A1 | 2009-04-09 | Lorenzo Sghedoni; Franco Pertusi |
| A drive control system of a crawler vehicle has a lever, a hydraulic distributor for feeding pressurized oil over a feed line to a hydraulic actuator. The hydraulic actuator can engage and release a central clutch. A cable has a first end fixed to a rod of the hydraulic actuator, and a second end connected to the hydraulic distributor. The cable activates and deactivates the hydraulic distributor, depending on the position of the rod. A main pulley is integral with the lever about which the cable is wound. | ||||||
| 71 | Track Trencher Propulsion System with Component Feedback | US11770940 | 2007-06-29 | US20090000157A1 | 2009-01-01 | Ty Hartwick |
| A system and process for controlling propulsion and steering of a track trencher excavation machine powered by an engine includes a multiple mode propulsion and steering control system that performs a plurality of functions depending on a selection of one of a plurality of operational modes. A controller generates a vehicle propulsion hydrostatic drive signal optionally using a track drive hydraulic pressure or a track drive speed as a variable for modifying the propulsion drive signal. The controller optionally uses a hydraulic attachment drive pressure as a variable for further modifying the propulsion drive signal. | ||||||
| 72 | Traveling device for crawler type heavy equipment | US12154049 | 2008-05-20 | US20080289325A1 | 2008-11-27 | Jae Hoon Lee |
| A traveling device for crawler type heavy equipment is provided, which can improve the manipulability by preventing an abrupt decrease/increase of a traveling speed of the equipment when a combined operation, in which a left/right traveling device and a working device are simultaneously driven, is performed. The traveling device for crawler type heavy equipment includes first and second variable displacement hydraulic pumps, switching valves for left and right traveling motors and working devices, a straight traveling valve shifted to supply hydraulic fluid to the switching valves for the left and right traveling motors and to the switching valves for the working devices in response to a signal pressure in a combined working mode, a variable orifice shifted to intercept the supply of the hydraulic fluid toward the traveling device in response to the signal pressure in the combined working mode if a load pressure of the working device is relatively higher than that of the traveling device, a mode selection device for selecting a working mode, and a controller for outputting control signals to electro proportional valves and to electric control valves so as to control discharged flow rates of the first and second hydraulic pumps in accordance with the selected working mode. | ||||||
| 73 | Steering logic for self-propelled mower | US11429873 | 2006-05-08 | US20070260370A1 | 2007-11-08 | Bernard Romig |
| Steering logic for a self-propelled vehicle having a plurality of wheels includes the steps of receiving translational velocity and angular velocity commands, determining the resultant velocity and steer angle of each wheel, and determining the wheel offset correction for each wheel based on the scrub radius of each wheel and the angular velocity command. | ||||||
| 74 | Hydrostatic Transaxle | US11737076 | 2007-04-18 | US20070245726A1 | 2007-10-25 | Koji Iwaki; Norihiro Ishii; Fumitoshi Ishino |
| A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle. | ||||||
| 75 | Work machine with steering control | US11048854 | 2005-02-03 | US20050177291A1 | 2005-08-11 | Igor Strashny; Randall Pruitt; Gilles Eyraud |
| A work machine with steering control has a first traction device and a first ratio control device operatively connected to the first traction device. The work machine also has a second traction device and a second ratio control device operatively connected to the second traction device. The work machine further has a power source configured to drive the first and second ratio control devices. The work machine has a sensor configured to generate a signal indicative of work machine maneuvering. The work machine further has a controller in communication with the power source. The controller is operable to control an output of the power source in response to the signal indicative work machine maneuvering. | ||||||
| 76 | Hydraulic axle-drive device | US10917557 | 2004-08-13 | US20050121249A1 | 2005-06-09 | Koji Iwaki; Norihiro Ishii; Shigenori Sakikawa; Katsumoto Mizukawa; Manabu Kawakami; Kentaro Nagata |
| A transaxle (2), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of a vehicle. The hydraulic drive unit (20) comprises: a pair of left and right hydraulic motors (23L and 23R) having respective left and right horizontal motor shafts (23b); a center section (22) formed therein with an oil passage for hydraulically connecting at least one of the hydraulic motors to a hydraulic pump, the center section having motor attachment surfaces onto which the hydraulic motors are attached; and a pair of left and right axle casings (2L and 2R) containing the respective hydraulic motors and supporting the respective motor shafts. The pair of wheel support units (2L and 2R), supporting respective left and right travel wheels (12L and 12R) are joined to respective outer ends of the left and right axle casings, and drivingly connected to the respective motor shafts (23b). | ||||||
| 77 | Utility vehicle with foot-controlled mobility | US10407639 | 2003-04-04 | US20030213626A1 | 2003-11-20 | James T. Hafendorfer |
| A utility vehicle with foot-controlled mobility is provided that includes a skeletal frame structure supporting a gasoline engine which utilizes a belt drive system to drive hydraulic motors with one hydraulic motor disposed at each rear wheel. The vehicle includes four wheel and tire assemblies, substantially at each corner with the rear wheels being driven and the front wheels being formed as casters for 360null rotation to provide a zero turning radius vehicle. The user sits upright in a manner wherein the user's legs are supported on pivotal leg support plates to allow the user to sit upright with legs directed down and away from the waist to allow the user to operate a hand-held implement. Both speed control and directional control are provided using pivotally mounted pedals with one pedal controlling each hydraulic motor. Movement of the pedals allows individual motor control to provide drive steering and speed control. | ||||||
| 78 | Distant control for automotive machines and material-handling machines | US51239621 | 1921-11-02 | US1794446A | 1931-03-03 | KENNETH DAVIS |
| 79 | Robotic work tool configured for improved turning in a slope, a robotic work tool system, and a method for use in the robot work tool | US14767122 | 2013-02-20 | US10149430B2 | 2018-12-11 | Jonas Bergström; Fredrik Klackensjö; Olle Markusson |
| Robotic work tool (100) configured for improved turning in a slope (S), said robotic work tool comprising a slope detector (190), at least one magnetic field sensor (170), a controller (110), and at least two driving wheels (130″), the robotic work tool (100) being configured to detect a boundary wire (250) and in response thereto determine if the robotic work tool (100) is in a slope (S), and if so, perform a turn by rotating each wheel (130″) at a different speed thereby reducing a risk of the robotic work tool (100) getting stuck. | ||||||
| 80 | POWER APPARATUS | US15985710 | 2018-05-22 | US20180339695A1 | 2018-11-29 | Kazutaka KAWAHARA; Noriyuki ABE; Shigemitsu AKUTSU |
| A collinear relationship is satisfied in which rotation speeds of first to third rotation elements and rotation speeds of fourth to sixth rotation elements are arranged respectively in this sequence on a single straight line in a collinear diagram. The first and fourth rotation elements are connected with first and second power sources respectively. The second and fifth rotation elements are connected with first and second driven units respectively. The second and sixth rotation elements are connected with each other by a first connecting mechanism in a way that rotating directions thereof are the same, and rotation speed of the former is greater than that of the later. The third and fifth rotation elements are connected with each other by a second connecting mechanism in a way that rotating directions thereof are the same, and rotation speed of the former is greater than that of the later. | ||||||
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