Abstract: Short-range and long-range operating methods for hospitality accommodation automation and control using APP, webpage, smartphone, RFID-to-Bluetooth selective adapter, relay controller together with RFID door lock is disclosed, where unlocking RFID door lock requires just pressing a button, various power outlets, lighting levels, HVAC settings, and tv settings can be controlled by smartphone. A gateway device with internet connectivity allows remote unlock or lock of doorlock, sending notifications of door unlock events back to a cloud server, and remotely control electrical or electronic devices under short-range or long-range modes. Detection methods for determining whether any occupant remains inside the room is also included. Current sensor is used for assess electric power consumption rate.

Abstract: A vehicle includes a frame assembly extending along a longitudinal axis of the vehicle and including a rear frame portion. The rear frame portion includes at least one upstanding member, at least one longitudinal member, and at least one coupling member coupled to the at least one upstanding member and the at least one longitudinal member. The vehicle also includes at least one front ground-engaging member supporting the frame assembly, at least one rear ground-engaging member supporting the frame assembly, a drivetrain assembly operably coupled to the front and rear ground-engaging member, and a rear suspension assembly. The rear suspension assembly includes at least one radius rod operably coupled to the at least one rear ground-engaging member and angled less than 90° relative to the at least one longitudinal member.

Abstract: A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame includes at least one adjustable shock absorber having an adjustable damping characteristic. The system also includes a controller coupled to each adjustable shock absorber to adjust the damping characteristic of each adjustable shock absorber, and a user interface coupled to the controller and accessible to a driver of the vehicle. The user interface includes at least one user input to permit manual adjustment of the damping characteristic of the at least one adjustable shock absorber during operation of the vehicle. Vehicle sensors may also be coupled to the controller to adjust the damping characteristic of the at least one adjustable shock absorber based on sensor output signals.

Abstract: An all-terrain vehicle includes a plurality of ground-engaging members and a frame supported by the plurality of ground-engaging members and having a front end and a rear end. The all-terrain vehicle further includes a straddle seat coupled to the frame and an attachment rack supported by the frame. The attachment rack has a first portion which defines an outer surface of the attachment rack and is comprised of a first material and a second portion which is positioned at least partially inward of the first portion and is comprised of a second material.

Abstract: A side by side vehicle is disclosed having a vehicle frame, a vehicle seat frame positioned in a mid portion of the frame, and a powertrain. Side by side seats are supported by the seat frame; and one or more storage units are positioned under the side by side seats. The side by side vehicle also has a rear suspension comprising at least one rear alignment arm coupled to each side of a rear of the vehicle frame, where the alignment arms are coupled to the vehicle frame at front and rear connection points. A distance between the front connection points is greater than a distance between the rear connection points, and at least a portion of the powertrain is positioned between the front connection points of the alignment arms.

Abstract: An all-terrain vehicle (“ATV”) includes a plurality of ground engaging members and a frame supported above a ground surface by the plurality of ground engaging members. The frame extends along a longitudinal centerline of the ATV. The ATV further includes an operator seat supported by the frame, an engine supported by the frame, and a continuously variable transmission (“CVT”) supported by the frame and operably coupled to the engine. Additionally, the ATV includes a CVT cooling air inlet fluidly coupled to the CVT and positioned forward of a forward end of the operator seat, and a CVT cooling air outlet fluidly coupled to the CVT and positioned forward of the forward end of the operator seat.

Abstract: A snow vehicle is disclosed comprising a vehicle frame, a propulsion unit coupled to the frame, and at least one front ski steered by a steering mechanism. The front of the vehicle includes a first front suspension and a second front suspension coupled to the ski. The rear suspension includes a bumper assembly preventing bottoming out of the rear suspension. The rear suspension is coupled to the vehicle frame such that the longitudinal spacing between the vehicle frame and rear suspension is adjustably controllable.

Abstract: An interactive system for use in connection with recreational vehicle usage includes a server system, including an off-road trail database containing trail data, trail condition information, and points-of-interest information, as well as a trip mapping system accessible by any of a plurality of riders, allowing a rider to create a route based on the data in the off-road trip database. The server system further includes a trail maintenance interface accessible by users affiliated with an authorized group to edit the trail data, trail condition information, and points-of-interest information associated with the authorized group. The server system includes a location data management system configured to receive location data, allowing a rider to publish location information to one or more other riders, and a user feedback interface configured to receive trip data from riders for publication, including information describing an actual route and user data associated with that route.

Abstract: An engine includes a crankshaft, a piston coupled to the crankshaft, and a head positioned over the piston and cylinder. The head includes a first aperture therethrough profiled for a spark plug. The engine also includes at least one camshaft positioned in the head and a cam retainer positioned over the camshaft to retain the camshaft in the head. The cam retainer includes a second aperture profiled to at least partially overlie the first aperture. The cam retainer is in a sealed relation with the head at the interface of the first and second apertures. The engine also includes a valve cover receivable over the head and cam retainer and including a third aperture therethrough, the third aperture being profiled to at least partially overlie the second aperture, and the valve cover being in a sealed relation with the cam retainer at the interface of the second and third apertures.

Abstract: The touch-type gas control valve contains a button, a spring, a hollow body, an O-shaped ring, and a stem. The button is configured to be slidable in and out of a top side of the body. The body has a number of outlets around the lower section's circumference and an inlet on a bottom side of the body. The spring is housed inside the body. The ring is positioned around the inlet. The stem has a semi-spherical head at a bottom end and threads around a top section. The stem runs through the ring, into the body through the inlet, through the spring, and is fastened into the bottom side of the button. The ring is sandwiched between the semi-spherical head and the bottom side of the body by the resilience of the spring when the button is not depressed.

Abstract: A vehicle may include a CVT unit or a power source which requires ambient air. An air inlet for an air intake system coupled to the CVT unit or the power source which requires ambient air may be provided in a side of a cargo carrying portion of the vehicle. The vehicle may include a rear radius arm suspension.

Abstract: In one embodiment, a utility vehicle includes a plurality of ground-engaging members configured to contact a ground surface, and a powertrain assembly operably coupled to the ground-engaging members. The utility vehicle also includes a frame supported by the ground-engaging members and extending along a longitudinal axis of the utility vehicle. The utility vehicle further includes a tunnel member coupled to the frame and extending along the longitudinal axis. The tunnel member is positioned at a first height from the ground surface. Additionally, the utility vehicle includes a cargo portion supported by the frame and positioned generally rearward of the tunnel member. The cargo portion has a cargo surface substantially aligned with the tunnel member and positioned at a second height from the ground surface. The first height is approximately equal to the second height.

Abstract: A snowmobile includes a chassis comprising a bulkhead and a tunnel, a front suspension coupled to bulkhead, a rear suspension coupled to the tunnel, and slide rails coupled to the rear suspension.

Abstract: A smoke producing method and device of the present disclosure produces a non-incendiary, organic-polymerization based, smoke-producing reaction. The method of generating smoke comprises initiating a frontal polymerization reaction by heating a composition comprising a monomer compound that exothermically polymerizes upon initiation with an initiator compound and an initiator compound that initiates polymerization of the monomer compound present at a mass concentration that is at least five percent of the mass concentration of the monomer compound. The polymerization of the monomer compound is exothermic, and in one embodiment the concentration of initiator compound is at least five percent of the concentration of monomer compound. The smoke mainly comprises thermal decomposition products of the initiator compound.

Abstract: A drive apparatus for a track of a snowmobile includes a drive shaft and a drive sprocket coupled to the drive shaft. The drive sprocket includes a first drive member having a plurality of teeth configured to engage drive lugs on an inner surface of the track and a second drive member having plurality of teeth configured to enter the openings formed in the track upon rotation of the drive shaft. First and second connecting webs extend between the teeth of the first and second drive members, respectively. The first and second connecting webs each have first and second side angled surfaces aligned an angle of less than 180° relative to each other to minimize snow build up on the first and second drive members, respectively.

Abstract: A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame includes at least one adjustable shock absorber having an adjustable damping characteristic. The system also includes a controller coupled to each adjustable shock absorber to adjust the damping characteristic of each adjustable shock absorber, and a user interface coupled to the controller and accessible to a driver of the vehicle. The user interface includes at least one user input to permit manual adjustment of the damping characteristic of the at least one adjustable shock absorber during operation of the vehicle. Vehicle sensors are also be coupled to the controller to adjust the damping characteristic of the at least one adjustable shock absorber based vehicle conditions determined by sensor output signals.

Abstract: A method for estimating the location of a wireless terminal is disclosed that is based on using: the known location of one or more devices, empirical data that indicates the relative position of the wireless terminal to the devices, and empirical data that indicates the relative position of the wireless terminal (which is at an unknown location) relative to other wireless terminals that are also at unknown locations.