Ski device drive train and system

Abstract

A drive train and system for operating a ski device. The drive train includes a track configured to contact the ground surface, a propulsion device configured to operate the track to propel at least the ski device, a static component configured to be operably connected to the ski device, and a dynamic component pivotably attached to the static component and configured to apply a variable force on the endless track and provide variable static friction with the ground surface.

Description

Technical Field

[0001] (Cross-Reference to Related Applications) This application claims the benefit and priority of co-pending U.S. Provisional Application No. 63 / 498,951, filed Apr. 28, 2023, the entire disclosure of which is incorporated herein by reference in its entirety as if fully set forth herein.

[0002] (Technical Field) The embodiments described herein generally relate to snow equipment, and more specifically, but not exclusively, to ski devices and other devices for maneuvering in a snow or icy environment.

Background Art

[0003] Conventional ski devices tend to be bulky and otherwise difficult to transport or use over long distances. Their use requires a significant amount of physical effort, which limits the number of people who can use them over long or flat distances.

[0004] Among conventional skis equipped with so-called "ski tow", electric skis have been developed. These devices generally include a motor-driven belt mounted on a part of the ski and attached to the ski. A track engages the snow to transport the skier, and the weight of the skier compresses the snow, causing the track to engage the snow and provide forward thrust. However, these existing devices are large, complex, and bulky.

[0005] Therefore, there is a need for a simpler and more efficient ski device.

Summary of the Invention

Means for Solving the Problems

[0006] This summary is provided to introduce, in a simplified form, a set of concepts that will be further explained below in the detailed explanation section. This summary is not intended to identify or exclude any important or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

[0007] In one aspect, the embodiment relates to a drive train for a ski device. The drive train includes a track configured to contact the ground surface, a propulsion device configured to operate the track to propel at least the ski device, a static component configured to be operably connected to the ski device, and a dynamic component pivotably attached to the static component and configured to apply a variable force on the track and provide variable static friction with the ground surface.

[0008] In some embodiments, the dynamic components are biased relative to the ground surface.

[0009] In some embodiments, the drive train further includes suspension components operably connected between static and dynamic components. In some embodiments, the drive train further includes adjustment mechanisms for adjusting the suspension components to vary the amount of suspension of the drive train.

[0010] In some embodiments, the drive train further includes a controller configured to receive a signal and modulate the output from the propulsion device to control the track. In some embodiments, the signal is received wirelessly. In some embodiments, the signal is received via a wired connection. In some embodiments, the drive train further includes at least one sensor configured to collect environmental data, and the controller is further configured to modulate the output from the propulsion device based on the environmental data.

[0011] In some embodiments, the drive train further includes a release mechanism to allow the drive train to be detachably attached to the ski device.

[0012] In some embodiments, the drive train is operational while propelling the ski device and is in an idle or braking mode when the ski device is not being propelled.

[0013] In some embodiments, the drive train further includes at least two wheels, of which at least one is operationally connected to the track and the propulsion device. In some embodiments, power from the propulsion device is transmitted to at least one drive wheel using a belt or chain drive, a hub motor in the wheel, a gear drive system, or a direct drive axle.

[0014] In some embodiments, the drive train further includes a motor, and the controller includes an electronic speed controller or a motor controller.

[0015] In some embodiments, the track further includes a high-fax subsystem.

[0016] In another aspect, the embodiment relates to a system for operating a ski device. The system includes at least one sensor configured to collect environmental data associated with the ski device, a drive train operably connected to the ski device and configured to propel the ski device, and a processor, the processor being configured to execute instructions stored in memory, the instructions being configured to analyze environmental data and, based on the analysis of the environmental data, to control the drive train to propel or brake the ski device.

[0017] In some embodiments, the drive train includes a static component operably connected to the ski device and a dynamic component pivotally attached to the static component and configured to apply a variable force on the track and provide a variable static friction with the ground surface. In some embodiments, the dynamic component is biased against the ground surface.

[0018] In some embodiments, the drive train further includes a suspension component operably connected between the static component and the dynamic component. In some embodiments, the drive train further includes an adjustment mechanism for adjusting the suspension component to control the amount of suspension.

[0019] In some embodiments, the drive train further includes at least two wheels, and at least one of the at least two wheels is in operable connection with the track and the propulsion device.

Brief Description of the Drawings

[0020] Non-limiting and non-exclusive embodiments of the present disclosure are described with reference to the following figures, and like reference numerals refer to like parts throughout the various figures unless otherwise specified.

[0021] [Figure 1] FIG. 1 illustrates a side view of a drive train operably connected to a ski device according to one embodiment.

[0022] [Figure 2] FIG. 2 illustrates a top view of the drive train and ski device of FIG. 1 according to one embodiment.

[0023] [Figure 3] FIG. 3 illustrates a bottom view of the drive train and ski device of FIG. 1 according to one embodiment.

[0024] [Figure 4] FIG. 4 illustrates a side view of the drive train of FIG. 1 according to one embodiment.

[0025] [Figure 5] Figure 5 illustrates a perspective view of the drive train of FIG. 1 according to one embodiment.

[0026] [Figure 6] Figure 6 illustrates a side view of the drive train according to another embodiment.

[0027] [Figure 7] Figure 7 illustrates a side view of the drive train of FIG. 6 operably connected to the ski device with the enclosure removed according to one embodiment.

[0028] [Figure 8] Figure 8 illustrates a schematic diagram of a system for operating a ski device according to one embodiment.

Mode for Carrying Out the Invention

[0029] Detailed Description Various embodiments are fully described below with reference to the accompanying drawings, which form a part of this specification and show specific exemplary embodiments. However, the concepts of the present disclosure can be implemented in many different forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided as part of a thorough and complete disclosure to fully convey the scope of the concepts, techniques, and implementations of the present disclosure to those skilled in the art. Embodiments can be practiced as a method, system, or device. Accordingly, embodiments can take the form of a hardware implementation, a complete software implementation, or an implementation that combines software and hardware aspects. The following detailed description should not, therefore, be taken in a limiting sense.

[0030] In this specification, the terms "one embodiment" or "an embodiment" mean that certain features, structures, or characteristics described in relation to an embodiment are included in at least one exemplary implementation or technique provided herein. The phrase "in one embodiment" in various locations within this specification does not necessarily refer to the same embodiment. The phrase "in some embodiments" in various locations within this specification does not necessarily refer to the same embodiment.

[0031] Some parts of the following explanation are presented in terms of symbolic representations of operations on non-transient signals stored in computer memory. These explanations and representations are used by those skilled in the field of data processing and most efficiently convey the content of their studies to others skilled in the field. Such operations typically require the physical manipulation of physical quantities. Usually, but not always, these quantities take the form of electrical, magnetic, or optical signals that can be stored, transferred, combined, compared, and otherwise manipulated. Primarily for reasons of general use, it is sometimes convenient to refer to these signals as bits, values, elements, symbols, characters, terms, numbers, or equivalents. Furthermore, it is also sometimes convenient, without loss of generality, to refer to a sequence of steps that require the physical manipulation of physical quantities as a module or code device.

[0032] However, all these and similar terms should be associated with appropriate physical quantities and are merely convenient labels applied to those quantities. Unless otherwise stated as is evident from the following discussion, discussions throughout this explanation using terms such as “processing,” “computing,” “calculating,” “determining,” or “displaying,” or equivalents, should be understood to refer to the actions and processes of a computer system or similar electronic computing device that manipulates and transforms data represented as physical (electronic) quantities in computer system memory or registers, or other such information storage, transmission, or display devices. Parts of this disclosure include processes and instructions, which may be embodied in software, firmware, or hardware, and if embodied in software, may be downloaded, reside on different platforms used by various operating systems, and may operate from different platforms.

[0033] This disclosure also relates to an apparatus for carrying out the operations described herein. This apparatus may be specifically constructed for a required purpose, or it may comprise a general-purpose computer that is selectively activated or reconfigured by a computer program stored within the computer. Such computer programs may be stored in computer-readable storage media, including, but not limited to, floppy disks, optical disks, CD-ROMs, magneto-optical disks, any type of disk, read-only memory (ROM), random access memory (RAM), EPROM, EEPROM, magnetic or optical cards, application-specific integrated circuits (ASICs), or any type of medium suitable for storing electronic instructions, each of which may be coupled to a computer system bus. Furthermore, the computers referred to herein may comprise a single processor or may be architectures employing multiple processor designs for increased computing power.

[0034] The processes and displays presented herein are essentially independent of any particular computer or other device. Various general-purpose systems may also be used in conjunction with the programs taught herein, or it may be possible to construct more specialized devices to carry out one or more method steps. Various structures for these systems are discussed in the following description. In addition, any particular programming language sufficient to achieve the techniques and implementations of this disclosure may be used. Various programming languages ​​may be used to implement this disclosure as discussed herein.

[0035] In addition, the language used herein has been selected primarily for readability and instructional purposes and may not be selected to define or limit the subject matter disclosed. Accordingly, this disclosure is intended to illustrate, not limit, the scope of the concepts discussed herein.

[0036] Embodiments herein provide novel drive trains and systems for ski devices. In the context of this application, the term “ski device” and its variations may refer to skis of various sizes and types, including cross-country skis, touring skis, racing skis, freestyle skis, carving skis, or any other type of ski device, whether currently available or subsequently invented. “Ski device” may also refer to other types of snow sports equipment, including snowboards, snowskates, or any other type of device for maneuvering across snowy or icy environments.

[0037] The drive train described herein may include an endless track configured to contact the ground surface below or otherwise adjacent to the ski device, and a propulsion device such as a motor for operating the endless track to propel the ski device. The drive train may also include a static component configured to be operably connected to the ski device, and a dynamic component pivotably attached to the static component and configured to apply a variable force on the endless track and provide variable static friction with the ground surface.

[0038] The drive train may be longitudinally aligned with the ski device and may be partially stationary on the surface of the ski device. Suspension components may be positioned between static and dynamic components and may provide a certain amount of suspension or damping effect to the ski device. The drive train may be operational while propelling the ski device and may be idle or braked when the ski device is not being propelled.

[0039] The drive train according to the described embodiment also incorporates a propulsion device while achieving a smaller size and reduced weight compared to existing devices. This allows the (one or more) ski devices described herein to provide the user with an assisted snow-walking experience without sacrificing transport capacity. This assistance helps in climbing light to moderate hilly terrain and traversing long distances, thereby enabling the user to better enjoy the surrounding environment.

[0040] Compared to heavier electric snowmobiles, the drive train described herein has a much smaller impact on the environment. The drive train described herein produces no carbon emissions, generates very little heat, is virtually silent, and causes little degradation to the surface it is applied to.

[0041] The drive trains described herein can operate in a variety of environments. The surface or ground can range from granular surfaces such as snow, dust, mud, or sand to harder surfaces such as ice or any other terrain. Thus, it has potential for use on cross-country ski trails or snowmobile trails and other routes. Due to their quiet operation, the disclosed embodiments allow the user to easily receive auditory information from the surrounding environment. In addition, the disclosed embodiments can also be implemented in search and rescue applications because they do not affect nearby detection systems.

[0042] Figure 1 illustrates a drive train 100 operably connected to a ski device 102 according to one embodiment. Figure 2 shows a top view of the drive train 100 and the ski device 102, and Figure 3 shows a bottom view.

[0043] As shown in Figures 1-3, the ski device 102 also includes a front restraint 104 and a rear restraint 106 for securing a user (not shown in Figure 1), and a battery 108. The restraints 104 and 106 may include downhill restraints, Nordic skiing restraints, touring restraints, custom restraints, or equivalents. In these embodiments, the drive train 100 is positioned towards the rear of the ski device 102.

[0044] Figures 4 and 5 illustrate a side view and a perspective view of the drive train 100 of Figures 1-3 according to one embodiment, respectively. The drive train 100 may include, in particular, an enclosure 402, a track 404, and wheels 406a-d. The drive train 100 may also include a suspension 408, a propulsion device such as a motor 410, a static component or sub-section 412, and a dynamic component or sub-section 414. The motor 410 may be located within the static component 412.

[0045] The track 404 may have an outer pattern with grips 416, grooves, or paddles (for simplicity, "lugs") to grip snow or other types of ground surfaces and pull through them, propelling the ski device 102 and the user forward. The track 404 can be made from a variety of materials. For example, the track 404 may be constructed from rubber as a whole, from rubber reinforced with layers of flexible fibers or composites, or from rubber with metal, ceramic, or even plastic reinforcements.

[0046] Track 404 may also have other materials on the outer grip 416 to improve grip on a wider variety of surfaces or to improve wear resistance. For example, track 404 may include stud components to improve grip on icy terrain. Track 404 may also be made from any other flexible material such as plastic, or a rigid material with joints that allow track 404 to flex around the wheels 406a-d. Flexible tracks may also have joints to better conform them to the curvature of the wheels 406a-d.

[0047] Inside the track 404, knobs or protrusions (not shown) may be connected to one or more wheels 406a-d. The knobs may be made from a wide variety of materials, such as the same material as the track 404, metal, plastic, or rubber. While the track 404 may have knobs, the wheels 406a-d may also be made with knobs or teeth protruding from the main body of the wheel and connected to the track 404 using a matching space or notch therein.

[0048] It may be possible to use both methods of driving track 404, or neither. For example, track 404 may have a flat or textured inner surface and utilize friction with wheels 406a-d. However, this would require that the internal resistance of track 404 exceeds the external friction against the ground surface.

[0049] Track 404 may be removable from the drive train 100 for repair or replacement. For example, a user may remove a damaged or broken track and replace it with a new one. In addition, or alternatively, a user may change tracks based on the type of terrain. If a user attempts to ski across ice, they may use a track with metal spikes to increase static friction. The user may later replace that track with a softer track that is more suitable for traversing snow. One way a track can be removed is by using a hatch door, which is part of the drive train 100 or a rigid section of the enclosure 402.

[0050] Wheels 406a-d can be constructed using one or more of a variety of materials. In some embodiments, one or more of the wheels 406a-d may be formed from metals such as steel, aluminum, titanium, or alloys. Possible composite materials include, but are not limited to, carbon, natural, or glass fibers. One or more of the wheels 406a-d may be made from plastics such as acrylonitrile butadiene styrene (ABS), nylon, polyethylene terephthalate glycol (PETG), or others with rigid or semi-rigid structures.

[0051] Wheels 406a-d may also employ certain combinations of materials so that certain parts of the wheel exhibit different physical properties from others. For example, to reduce vibration, wheels 406a-d may use composite materials, metals, or rigid internal structures along with a flexible outer layer. Wheels 406a-d may also have a hardened outer layer to reduce wear over time.

[0052] One or more of the wheels 406a-d may be configured to use a single axle. For this to adequately support the track 404, the surface of the wheel in contact with the track 404 at a given moment must be sufficiently wide. Alternatively, multiple wheels may be mounted on a single axle to provide additional support for the track 404.

[0053] Having multiple thinner wheels 406a-d running on a single axle allows snow trapped inside the track 404 to escape from the drive train 100 through the space between the wheels 406a-d. This can prevent clogging within the track 404 caused by snow or other material forming a wedge between the wheel surface and the inside of the track 404. This may be particularly beneficial for drive wheels that rely on a relatively clean connection with the track 404. A set of multiple wheels 406a-d may require a method of restricting their motion along the axle so that the wheels maintain sufficient distance from each other. Thus, washers or spaces may separate two or more wheels on a single axle. One or more of the wheels 406a-d may also be mechanically fixed using couplings.

[0054] The drive train 100 may also include a propulsion device such as a motor 410 for driving one or more of the wheels 406a-d. The motor 410 may be powered by electricity (e.g., from an onboard battery) or may have a heat engine. In some embodiments, the propulsion device may consist of an in-wheel motor or a hub motor. In these embodiments, the propulsion device benefits from the power characteristics of a direct drive motor system but comes with reduced weight and maintenance costs. Gears may be an alternative method for transmitting power from the motor to the track 404.

[0055] In some embodiments, the motor 410 may drive one or more wheels 406a-d using a firm connection to the axle of the (one or more) drive wheels. These embodiments may not require pulleys, belts, or belt tension adjustment systems. The motor 410 may be controlled by an electronic speed controller (ESC) or motor controller that translates commands from a processor (see Figure 8 below) into actions to be performed by the motor 410. The controller may also be tasked with obtaining power from a battery and supplying that power to the motor in a controlled amount. The ESC may also be used to allow the motor to idle freely or to brake, and braking may involve a regenerative braking aspect. In some embodiments, the processor receives user input and tells the drive train how to respond to that input.

[0056] In some embodiments, one or more of the wheels 406a-d may be driven using a pulley or belt with a defined gear / tooth ratio. The disclosed embodiments may also achieve different power characteristics based on a change in gear ratio. For example, to increase the acceleration or top speed of the ski device 102, the drive wheels may be powered using different gear ratios.

[0057] A belt interacting with two or more pulleys may require a tension adjustment system comprising one or more static or dynamic elements. For example, a static tension adjustment system may include a fixed or manually adjustable roller positioned on the pulley belt to apply a force perpendicular to the direction of rotation.

[0058] A dynamic tension adjustment system may include rollers, bearings, or wheels complemented by springs or similar mechanisms to allow for some degree of adaptability in the amount of tension applied to the belt. Regardless of the tension adjustment methodology used, the belt should be tightly wound so that the teeth on the pulleys do not disengage from the teeth on the belt.

[0059] In some embodiments, the belt and pulleys of the drive train 100 may be replaced with a chain and sprocket with tension adjusters similar to those described above, in conjunction with static and dynamic tension adjustment systems. In some embodiments, the drive train 100 may implement, or otherwise include, a set of gears or transmissions for transmitting power. While there may not be a significant difference in performance between using a chain or a belt, there may be factors to consider based on noise, weight, and maintenance constraints. Using a belt drive system, gear drive system, or chain drive system has the advantage that the motor can be kept further away from the track, as well as associated snow, water, and other materials or debris resulting from its operation.

[0060] Regardless of the configurations described above, keeping the motor or other components of the propulsion device within the enclosure 402, or otherwise shielded by the enclosure 402, may prove advantageous in protecting them from the environment and increasing the lifespan of the components. If the enclosure 402 is used to protect the motor, the motor axle may protrude from the enclosure 402 so that it can transmit power to the track 404.

[0061] The suspension 408 may provide damping force on the ski device 102 during use. Specifically, the suspension 408 may apply outward forces to the rails, idler wheels, bearing assemblies, or the entire structure so that the track 404 can be tensioned and biased against the lower surface of the ski device 102. The suspension 408 may comprise springs and dampers, air shocks, simple springs, leaf springs, or any other flexible plastic, composite, or metal structure to allow the track 404 to bend and flex with the terrain, thereby increasing static friction from the track 404.

[0062] The suspension 408 may be adjustable to allow for a stiffer or softer experience. This may be done using a screw-based system or other device that, when used, will increase or decrease the compression of the suspension spring. Providing a softer suspension may be ideal for a smoother ride on rough terrain, while a stiffer suspension may be ideal for smoother terrain such as ice to allow for increased static friction. Adjusting the suspension 408 may also help users of varying weights to calibrate the ski device 102 for its comfort and ease of handling.

[0063] The ski device 102 may provide sufficient elasticity to act as a form of suspension in some situations. However, this may be insufficient on extremely rough or hard terrain. Therefore, variable tension on the track 404 may be provided by having a freewheel or rail or hyphax subsystem. Track tension may also be provided by a separate spring or by a derivative of the suspension 408 described above.

[0064] As shown in Figure 4, the drive train 100 can be formed from multiple mechanical components and linkages. This internal structure can be made from composite materials such as plastic, carbon fiber or fiberglass, or metal plates, or it can be made from beams or supports that are joined together to form a rigid frame. Using beams to join or reinforce plates in parallel can produce a more robust frame for the drive train 400.

[0065] As discussed above, these frames can form static components 412 and dynamic components 414. The static components 412 can be mounted on a ski device 102 as shown in Figure 1-3. The dynamic components 414 can be operably connected to the static components 412, but can be configured to move in response to external forces applied to the suspension 408 or the ski device 102 by the moving ground surface.

[0066] In addition, the suspension 408 may further include one or more linkages to enable the suspension 408 to apply force to the entire subsystem of components of the dynamic component 414. As shown in Figure 4, the suspension 408 may be installed between two components, with one side fixed to the static component 412 and the other side mounted on the dynamic component 414.

[0067] Using axle 418 to mount the two sides of the suspension allows for pivoting using the linkage described above. Instead of linkage, the dynamic component 414 of the drive train 100 may also be pivotably mounted to the static component 412 so that it swings freely. Combining this mode of pivot mounting with the suspension 408 would allow the ski device 102 to perform to the same extent as when the dynamic component 414 is mounted using linkage. As an alternative, the dynamic component 414 may be mounted on the static component 412 using rails, which may also perform to the same extent as with linkage.

[0068] The angle of the dynamic component 414 relative to the static component 412 or the ski device 102 can vary. For example, the user can adjust this angle by adjusting the length of any arms or linkages that form or connect the static component 412 and the dynamic component 414.

[0069] The drive train 100 or its components may be removably fixed to the ski device 102. The user can then use the ski device 102 in the same way as using ordinary skis. The drive train 100 or its components may be removably fixed to the ski device 102 via one or more of the following fastening methods: rails, clips, hook fasteners, or other fastening methods, which may allow the drive train 100 to be removed from the ski device 102 by using screws, pins, or other mechanical means, etc.

[0070] The battery or other components of the power train may also be removablely fixed to the ski device 102. For example, a user may remove the battery from the ski device 102 for charging, replacement, or equivalent. The battery or other components associated with the power system may be removablely fixed to the ski device 102 via one or more of rails, clips, hook-and-loop fasteners, or other fastening methods, which may allow the entire power system to be removed from the ski device 102 by using screws, pins, or other mechanical means, etc.

[0071] These features may be useful in situations such as when the battery is depleted and the user is not close to a charging location. Therefore, it may be beneficial for the user to remove the drive train 100 or battery from the ski device 102 and transport or store the drive train 100 or battery in a backpack.

[0072] Figure 6 illustrates a drive train 600 according to another embodiment. The drive train 600 may be similar to the drive train 400 discussed above. However, the drive train 600 is shown without an enclosure. Figure 6 also illustrates a battery 602 that supplies power to the motor 604. The drive train 600 also includes rail or hyfax subsystem 606 to allow the track 608 to apply force over the ground surface along a much larger linear contact area. Multiple rail or hyfax subsystems 606 may be arranged in parallel with each other to provide additional support to the track. One or more rails may also be paired with a smooth surface such as metal or low-friction plastic to allow the track 608 to slide over the smooth surface while applying the required force on the track 608.

[0073] Figure 7 illustrates a drive train 700 on a ski device 702 according to one embodiment. The drive train 700 may be similar to the drive train 100 discussed above. In this embodiment, the battery 704 is positioned facing the front of the ski device 702 and in front of the front restraint 706 and the rear restraint 708. This arrangement may be beneficial in providing additional static friction to the drive train 700 by positioning the user's center of gravity closer to the track.

[0074] Figure 8 illustrates a system 800 for operating a ski device 802 according to one embodiment. The system 800 may include an interface 804, one or more processors 806 that execute instructions stored on memory 808, a propulsion device 810, a controller 812, and a battery 814. As discussed above, the battery 814 may be separate from the components of the drive train, such as being positioned facing the front of the ski device 802. One or more of these components may communicate with one or more user devices 816 via one or more networks 818.

[0075] The (one or more) processors 806 can be any hardware device capable of executing instructions stored on memory 808 and providing various components or modules. The processors 806 may include microprocessors, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), or other similar devices.

[0076] In some embodiments, such as those relying on one or more ASICs, functions described as being partially provided via software may instead be configured during the design of the ASIC, and therefore the associated software may be omitted. The processor 806 may be configured as part of a ski device 802, a user device 816, or located in several remote locations.

[0077] Memory 808 may be an L1, L2, L3 cache or RAM memory configuration. Memory 808 may include non-volatile memory such as flash memory, EPROM, EEPROM, ROM, and PROM, or volatile memory such as static or dynamic RAM, as discussed above. The exact configuration / type of memory 808 can, of course, vary as long as the instructions for operating the ski device 802 can be executed by system 800.

[0078] Networks 818 (one or more) may be connected to various components using various types of network connections. Networks 818 (one or more) may consist of, or interface to, one or more of the following: the Internet, an intranet, a personal area network (PAN), a local area network (LAN), a wide area network (WAN), a city-scale network (MAN), a storage area network (SAN), a frame relay connection, an advanced intelligent network (AIN) connection, a synchronous optical network (SONET) connection, a digital T1, T3, E1, or E3 line, a digital data services (DDS) connection, a digital subscriber line (DSL) connection, an Ethernet® connection, an Integrated Digital Network (ISDN) line, a telephone line port such as a V.90, V.34, or V.34bis analog modem connection, a cable modem, an asynchronous transfer mode (ATM) connection, a fiber optic distributed data interface (FDDI) connection, a copper distributed data interface (CDDI) connection, or an optical / DWDM network.

[0079] One or more networks 818 may also consist of, include, or interface with one or more of the following: Wireless Application Protocol (WAP) links, Wi-Fi links, microwave links, General Purpose Packet Radio Services (GPRS) links, Global Systems for Mobile Communications G (SM) links, Code Division Multiple Access (CDMA) links, or Time Division Multiple Access (TDMA) links such as cellular channels, Global Positioning System (GPS) links, Cellular Digital Packet Data (CDPD) links, Research In Motion (RIM) duplex paging type devices, Bluetooth® radio links, or IEEE 802.11 series links.

[0080] The user device 816 may refer to a handheld device that can be operated by a user, such as the user of the ski device 802. The user device 816 may include an input / output (I / O) device 820, an interface 822 for receiving and transmitting data, and one or more sensors 824.

[0081] The user device 816 may be a single handheld device 816 capable of controlling one or both ski devices used by the user. That is, one device 816 may send commands to both ski devices, or two devices 816 may be used, each controlling a specific ski device. The user device 816 may be connected to or part of a larger component such as ski poles, gloves, a smartphone, smart glasses, the base of a ski device 802, or a backpack.

[0082] User device 816 may use electromagnetic waves to communicate with the receiver in interface 804 and transfer data to processor 806. In addition, or alternatively, user device 816 may use a direct wired connection. Input may also originate from other sources, such as voice input or, furthermore, connections to other mobile devices, computers, or servers.

[0083] The (one or more) sensors 824 may collect data about the surrounding environment (i.e., the environment in which the user is using the (one or more) ski device 802). The (one or more) sensors 824 may be placed together with the user device 816 on the (one or more) ski device 802, on or with the ski poles, boots, gloves, or other clothing equipment, or at any other location where data about the surrounding environment can be collected.

[0084] In some embodiments, the motors of the drive train may be configured with Hall effect sensors. Readings from the Hall effect sensors may indicate the degree to which the track is slipping or otherwise engaged with the ground surface. If one or more processors 806 detect slippage, the controller 812 may engage in static friction control procedures, for example, to reduce the speed of the slipping wheels.

[0085] The (one or more) processors 806 can analyze the accumulated environmental data and issue commands to the controller 812 to control the propulsion device 810. Thus, the (one or more) ski devices 802 described herein can provide an intuitive experience for the user based on environmental factors.

[0086] For example, the (one or more) sensors 824 may include a thermometer for detecting the temperature associated with the environment. If the temperature is low (e.g., below a certain threshold), the system 800 may infer that the ski device 802 may encounter ice or snow that is hard or otherwise frozen, making it difficult for the track to achieve a proper grip on them. In this situation, the controller 812 may issue a command to the propulsion device 810 to operate the track at a low speed.

[0087] In addition, the database 826 may store data about user preferences, user equipment, or equivalents. For example, the user may input data via the I / O device 820 regarding the type of track being used, the time and date the track was last changed, the user's weight, etc. The (one or more) processors 806 may use this data, in addition to data about the power level of the battery 814, the usage level of the ski device 802 and its components, the expected lifespan of the components of the ski device 802, or equivalents, when controlling the propulsion device 810.

[0088] The (one or more) processors 806 may also communicate messages to the user via the I / O device 820. These messages may include suggestions for operating the ski device, suggestions for replacing components, suggestions for charging the battery 814, or equivalent. These messages may be visual (via a screen on a smartphone, for example), auditory, tactile, or a combination of these.

[0089] The methods, systems, and devices discussed above are embodiments. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the method may be carried out in a different order than described, and its various steps may be added, omitted, or combined. Also, features described in relation to one configuration may be combined in various other configurations. Different aspects and elements of a configuration may be combined in similar ways. Furthermore, technology evolves, and therefore many of the elements are embodiments and do not limit the scope of this disclosure or the claims.

[0090] Embodiments of the present disclosure are described above with reference, for example, to block diagrams and / or operation diagrams of methods, systems, and computer program products according to embodiments of the present disclosure. For example, two blocks shown consecutively may actually be executed substantially simultaneously, or blocks may sometimes be executed in reverse order depending on the associated functionality / action. In addition, or alternatively, not all blocks shown in any schematic diagram have to be included and / or executed. For example, if a given flowchart has five blocks containing functionality / action, only three of the five blocks may be implemented and / or executed. In this embodiment, any three of the five blocks may be implemented and / or executed.

[0091] The statement that a value exceeds (or surpasses) a first threshold is equivalent to the statement that a value satisfies or exceeds a second threshold that is slightly higher than the first threshold, for example, the second threshold being a single value higher than the first threshold within the resolution of the relevant system. The statement that a value is below (or within) a first threshold is equivalent to the statement that a value is below or equal to a second threshold that is slightly lower than the first threshold, for example, the second threshold being a single value lower than the first threshold within the resolution of the relevant system.

[0092] Specific details are given in the description to provide a thorough understanding of the exemplary configurations (including implementations). However, the configurations may be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures, and techniques are shown without unnecessary details to avoid obscuring the configurations. This description provides exemplary configurations only and does not limit the claims, applicability, or configurations. Rather, the foregoing description of the configurations will provide a useful explanation for those skilled in the art to implement the techniques described. Various modifications may be made in the function and arrangement of the elements without departing from the spirit or scope of this disclosure.

[0093] While several exemplary configurations have been described, various modifications, alternative configurations, and equivalents may be used without departing from the spirit of this disclosure. For example, the elements described above may be components of a larger system, and other rules may take precedence over or modify the various implementations or techniques of this disclosure. Also, some steps may be taken before, during, or after the elements described above are considered.

[0094] With the description and drawings provided, a person skilled in the art can envision variations, modifications, and alternative embodiments that do not depart from the following claims and that fall within the general inventive concept discussed herein.

Claims

1. A drive train for a ski device, wherein the drive train is A track configured to make contact with the ground surface, A propulsion device configured to operate the track in order to propel the ski device, A static component configured to be operably connected to the ski device, A dynamic component is pivotably attached to the static component and configured to apply a variable force to the endless track and provide variable static friction with the ground surface. A drive train equipped with a drive train.

2. The drive train according to claim 1, wherein the dynamic component is biased with respect to the ground surface.

3. The drive train according to claim 1, further comprising a suspension component operably connected between the static component and the dynamic component.

4. The drive train according to claim 3, further comprising an adjustment mechanism for adjusting the suspension components to vary the amount of suspension of the drive train.

5. The aforementioned drive train further comprises a controller, and the controller is Receiving a signal and, Modulating the output from the propulsion device to control the aforementioned track A drive train according to claim 1, configured to perform the following:

6. The drive train according to claim 5, wherein the signal is received wirelessly.

7. The drive train according to claim 5, wherein the signal is received via a wired connection.

8. The drive train according to claim 5, further comprising at least one sensor configured to collect environmental data, and the controller further configured to modulate the output from the propulsion device based on the environmental data.

9. The drive train according to claim 1, further comprising a release mechanism for enabling the drive train to be removably attached to the ski device.

10. The drive train according to claim 1, wherein the drive train is operational while the ski device is being propelled and is in an idle or braking mode when the ski device is not being propelled.

11. The drive train according to claim 1, further comprising at least two wheels, at least one of the at least two wheels being in an operably connected state with the track and the propulsion device.

12. The drive train according to claim 11, wherein power from the propulsion device is transmitted to at least one drive wheel using a belt or chain drive, a hub motor in the wheel, a gear drive system, or a direct drive axle.

13. The drive train according to claim 1, wherein the drive train further comprises a motor, and the controller includes an electronic speed controller or a motor controller.

14. The drive train according to claim 1, wherein the track further includes a hyfax subsystem.

15. A system for operating a ski device, wherein the system is At least one sensor configured to collect environmental data associated with the ski device, A drive train operably connected to the ski device and configured to propel the ski device, Processor and The processor is equipped with the following: The aforementioned instruction is, Analyzing the aforementioned environmental data, Based on the analysis of the environmental data, the drive train is controlled to propel or brake the ski device. A system configured to perform the following actions.

16. The system according to claim 15, wherein the drive train includes a static component operably connected to the ski device and a dynamic component pivotably mounted to the static component and configured to apply a variable force to the track and provide variable static friction with the ground surface.

17. The system according to claim 16, wherein the dynamic component is biased with respect to the ground surface.

18. The system according to claim 15, further comprising a suspension component operably connected between the static component and the dynamic component.

19. The system according to claim 18, further comprising an adjustment mechanism for adjusting the suspension components to control the amount of suspension.

20. The system according to claim 15, further comprising at least two wheels, at least one of the at least two wheels being in an operable connection state with the track and propulsion device.

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