公开(公告)号：US20240410455A1

公开(公告)日：2024-12-12

申请号：US18735888

申请日：2024-06-06

Applicant: MTD PRODUCTS INC

Inventor： Jay Maggard

IPC: F16H37/02 ,  F16H59/38 ,  F16H61/662

Abstract: Mechanical infinitely variable transmissions (IVTs) and vehicles employing such IVTs are discussed. The IVT can comprise a planetary gearset with a sun gear driven based on an input angular velocity and an annulus gear driven based on a combination of the input angular velocity and a variable gear ratio of a pulley system, wherein the variable gear ratio of the pulley system can be electrically controlled by an actuator. A drive element can be driven based on a carrier of the planetary gearset.

公开(公告)号：US20240407291A1

公开(公告)日：2024-12-12

申请号：US18737461

申请日：2024-06-07

Applicant: MTD PRODUCTS INC

Inventor： Zachary A. Lyzen ,  Adam Woodrum ,  Katharin Jensen-Nau

IPC: A01D34/64 ,  B62D5/04

Abstract: Systems and methods for drive and steering control in a drive-by-wire system for outdoor power equipment are discussed. Various embodiments can employ techniques related to one or more of: steering based on actively steered wheels with zero caster trail, variable output damping of vehicle control outputs, steering that compensates for drive system loss, emulation of drivability of a hydrostatic drive system by a non-hydrostatic drive system, employing a floating neutral point to improve steering on slopes, open loop techniques for hill holding and speed compensation on hills, and/or adjustment of a speed range associated with control inputs.

公开(公告)号：US12025710B2

公开(公告)日：2024-07-02

申请号：US17523305

申请日：2021-11-10

Applicant: MTD PRODUCTS INC

Inventor： Charles Hart ,  Jeff Kucera

IPC: G01S17/931 ,  G01S7/481 ,  G05D1/00

CPC classification number: G01S17/931 ,  G01S7/4813 ,  G05D1/0088 ,  G05D1/0231

Abstract: A machine vision device is provided usable in conjunction with power equipment machines. By way of example, an array of sensors can be deployed to detect proximity of objects to the power equipment machine, and issue an alert in response to detecting an object within a threshold distance. The alert can be utilized by the power equipment machine to take corrective action to mitigate or avoid running over or striking the object. Sensors having respective fields of view can be arranged along an arc to facilitate machine vision of a spatial volume in a proximity of the machine, and ranging determinations can be coupled with low cost processing devices to facilitate a machine vision solution far more cost effective than other technologies in the art.

公开(公告)号：US11958558B2

公开(公告)日：2024-04-16

申请号：US17027609

申请日：2020-09-21

Applicant: MTD Products Inc

Inventor： Peter Buchanan

IPC: B62D7/20 ,  B62D7/08 ,  B62D9/00 ,  B62D11/00 ,  B62D11/24

CPC classification number: B62D7/20 ,  B62D7/08 ,  B62D9/00 ,  B62D11/006 ,  B62D11/24

Abstract: Systems for controlling the speed and direction of vehicles, including vehicles that have low to zero turning radius capability.

公开(公告)号：US20240118704A1

公开(公告)日：2024-04-11

申请号：US18543221

申请日：2023-12-18

Applicant: MTD PRODUCTS INC

Inventor： Shai Abramson

IPC: G05D1/228 ,  A01D34/00 ,  G05D1/249 ,  G06V20/58 ,  G06V40/10

CPC classification number: G05D1/228 ,  A01D34/008 ,  G05D1/249 ,  G06V20/58 ,  G06V40/10

Abstract: A mobile outdoor power equipment machine for performing a controlled task within a work area includes a drive system for providing movement of the machine, a working apparatus for performing the task, and a scanning system for scanning an area surrounding the machine. The scanning system is configured to provide detection of physical elements in the environment to aid in navigation of the machine. In an embodiment, the scanning system and a control system are configured to scan the area, determine the presence of a physical element in the area, determine that the physical element is located within the work area, determine the proximity of the physical element to the machine, and direct a behavior of the machine.

公开(公告)号：US11950527B2

公开(公告)日：2024-04-09

申请号：US16885408

申请日：2020-05-28

Applicant: MTD Products Inc

Inventor： John Coleman

IPC: A01D34/00 ,  A01D34/68 ,  A01D101/00

CPC classification number: A01D34/008 ,  A01D34/6806 ,  A01D2101/00 ,  G05D2201/0208

Abstract: Calibrating and optimizing settings of power equipment devices are detailed throughout this disclosure. A mobile device application can be connected with a control device of a power equipment, and data pertaining to current environmental conditions (e.g., turf moisture), turf characteristics (e.g., type of grass, etc.) or machine parameters can be entered into the mobile device application and utilized for generating improved setting value(s). Also disclosed are algorithms for correlating these conditions, characteristics and parameters with adjustment data for adjusting machine settings to achieve a desired performance of a power equipment device.

公开(公告)号：US11946959B2

公开(公告)日：2024-04-02

申请号：US18087405

申请日：2022-12-22

Applicant: MTD PRODUCTS INC

Inventor： Shai Abramson

IPC: G01R19/25 ,  G05D1/00 ,  G05D1/02

CPC classification number: G01R19/2509 ,  G05D1/0214 ,  G05D2201/0208

Abstract: A demarcating system is discussed that includes a control system, a wire loop arrangeable by a user to indicate to an object path as part of a boundary of an area: a signal generator controlled by the control system, wherein voltage signals applied by the signal generator to the loop are controlled by the control system; and current sensing circuitry that senses current signals present within the loop wherein processors of the control system analyse such current signals and—operate in a calibration mode to: cause the signal generator to apply to the loop a series of test voltage waveforms that generate corresponding current waveforms within the loop; and analyse the corresponding current waveforms to determine an operating voltage waveform that, when applied to the loop, generates a corresponding operating current waveform with substantially the same shape as a predetermined current waveform.

公开(公告)号：US11740637B2

公开(公告)日：2023-08-29

申请号：US16556907

申请日：2019-08-30

Applicant: MTD PRODUCTS INC

Inventor： Shai Abramson ,  Christopher J. Churavy ,  Ryan Cmich ,  Adam Ference ,  Joseph Edward Saunders

IPC: G05D1/02 ,  G05D1/00

CPC classification number: G05D1/0265 ,  G05D1/0088 ,  G05D2201/0208

Abstract: A zone mobility system and method for an autonomous device includes a work area within which the autonomous device is intended to operate, one or more electrically separated boundary conductors, each boundary conductor surrounding a work zone within the work area, a transmitter base electrically connected to at least one of the boundary conductors, and a removably coupled transmitter configured to transmit a signal for directing movement of the autonomous device on the boundary conductor wire. The transmitted signal can be adjusted to optimize the power consumption of the transmitter, and a work operation can be commenced utilizing a transmitter interface, and/or utilizing an autonomous device user interface.

公开(公告)号：US20230249745A1

公开(公告)日：2023-08-10

申请号：US18106311

申请日：2023-02-06

Applicant: MTD PRODUCTS INC

Inventor： Jay Maggard ,  Zachary A. Lyzen

IPC: B62D11/04 ,  A01D34/64

CPC classification number: B62D11/04 ,  A01D34/64 ,  A01D2101/00

Abstract: Selectively powered caster wheels for a maintenance apparatus are described. A motor attached to the caster wheel(s) can be selectively powered to apply force to the caster wheel. This force can be selected to overcome another force sensed at the maintenance apparatus, or to steer the maintenance apparatus on a desired course or direction. The caster wheels can be configured to orient along a direction of motion of the maintenance apparatus, in response to power from the motor or in response to the motion of the maintenance apparatus itself. In further embodiments, the motor(s) can be selectively activated or deactivated by an operator of the maintenance apparatus, in response to a remote control signal, or in response to an onboard or offboard controller of the apparatus.

公开(公告)号：US11712008B2

公开(公告)日：2023-08-01

申请号：US16583621

申请日：2019-09-26

Applicant: MTD Products Inc

Inventor： John Coleman ,  Peter Hoffman

IPC: A01G20/30 ,  G06F16/29 ,  A01C21/00 ,  A01D43/00 ,  A01G25/16 ,  A01M21/00 ,  G01C15/00 ,  G01L3/00 ,  G01M15/04 ,  G01N33/00 ,  A01D101/00

CPC classification number: A01G20/30 ,  A01C21/007 ,  A01D43/00 ,  A01G25/16 ,  A01M21/00 ,  G01C15/00 ,  G01L3/00 ,  G01M15/04 ,  G01N33/0098 ,  G06F16/29 ,  A01D2101/00

Abstract: A method for generating a localized data map, the method including (a) traversing an area with a machine, the machine including at least one sensor, wherein the sensor is configured to receive data; (b) collecting data of the area utilizing the sensor; and (c) communicating the data to generate a localized data map. A system and method for generating a localized turf grass data map, the method including (a) traversing an area of turf grass with an outdoor power equipment machine, the outdoor power equipment machine including at least one sensor, wherein the sensor is configured to receive data; (b) collecting turf grass data utilizing the sensor; and (c) communicating the turf grass data to generate a localized turf grass data map.