HUSQVARNA AB Patent applications |
Patent application number | Title | Published |
20160039110 | CHAINSAW WITH SELF-LOCKING KNOB ASSEMBLY - A clamping assembly ( | 02-11-2016 |
20160014957 | QUICK-COUPLING FOR MOWER BLADES - A blade coupler for coupling a blade to a rotatable shaft of a lawn care device may include a blade coupler base configured to rotate responsive to rotation of the rotatable shaft, a holding bolt configured to hold the blade proximate to the blade coupler base responsive to application of a clamping force thereon, and a centrifugal clamp assembly configured to increase the clamping force applied to the holding bolt responsive to an increase in speed of rotation of the rotatable shaft. | 01-21-2016 |
20160004240 | Method and Device for Identifying a Power Equipment Work Pattern - An outdoor power tool activity monitoring device is provided. The device may include processing circuitry configured for receiving indications of device activity of the outdoor power tool, determining whether the device activity correlates to a predefined work pattern, determining a set of instructions associated with the predefined work pattern in response to the device activity correlating to the pre-defined work pattern, and initiating provision of the set of instructions to define a programmed response to the pre-defined work pattern. | 01-07-2016 |
20160000005 | METHOD AND A ROBOTIC WORK TOOL SYSTEM WITH A CHARGING STATION AND A BOUNDARY WIRE - A robotic work tool system ( | 01-07-2016 |
20150367528 | TOOLS AND MEHTODS FOR MAKING AND USING TOOLS, BLADES AND METHODS OF MAKING AND USING BLADES - Methods and apparatus for making and using tools, for example concrete cutting blades. The tool includes a first layer and a second layer that are oppositely disposed. The first and second layers include working surfaces that support at least one working element when the working element is applied to a work piece. Additionally, an intermediate structure is included between the first and second layers. The intermediate structure can include a plurality of components extending in the area between the structural surfaces and the working surfaces. | 12-24-2015 |
20150367432 | A LIQUID DISPENSING SYSTEM - The present invention relates to liquid dispensing system for a rotatable work tool ( | 12-24-2015 |
20150366137 | A Robotic Work Tool System and Method Comprising a Charging Station - A robotic work tool system ( | 12-24-2015 |
20150366130 | A 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 - Robotic work tool ( | 12-24-2015 |
20150357684 | Battery Pack Interface System - A battery charging system may include one or more battery packs each of which includes control circuitry and a switching assembly, and a charger including a power section and a charge controller. The charge controller and/or the control circuitry may be configured to direct operation of the switching assembly to control charging of the one or more battery packs. | 12-10-2015 |
20150296706 | Smart Ignition System - A lawn care device may include an engine to selectively power the device, a frame supporting the engine and an operator of the device, and an ignition interface having processing circuitry configured to define a plurality of operating modes. The operating modes may include at least a starting mode in which the ignition interface is usable by the operator to start the engine, and a running mode in which the engine is running. The ignition interface may include code entry keys configured to, responsive to entry of a code via the code entry keys, enable use of the ignition interface to shift from the starting mode to the running mode without a physical starting key. | 10-22-2015 |
20150257329 | DETACHABLE TILLER TINES - A tiller may include an engine, a mobility assembly and a rotating assembly. The mobility assembly may be operably coupled to the engine to provide mobility of the tiller responsive to operation of the engine. The rotating assembly may be selectively coupled to the engine to provide rotation of the rotating assembly. The rotating assembly may include a rotatable shaft configured to turn when the rotation assembly is operably coupled to the engine, and one or more sets of tines disposed on respective tine assemblies. Each of the tine assemblies may include a hollow shaft for receiving the rotatable shaft. The one or more sets of tines may extend radially outward from the respective tine assemblies. | 09-17-2015 |
20150250097 | Method and System for Enhancing a Coverage Distribution of a Robotic Garden Tool - A method for enhancing a coverage distribution of a robotic garden tool ( | 09-10-2015 |
20150225124 | CONTAINERS FOR LIQUID - A container for liquid ( | 08-13-2015 |
20150223401 | Hand-Held Motor-Driven Cutting Device - A hand-held motor-driven cutting device is provided, comprising a motor | 08-13-2015 |
20150181805 | SECURED SCREW-NUT INTERFACE FOR A ROBOTIC MOWER - A robotic mower may include a chassis, a cutting motor driving at least one cutting blade, and a height adjustment assembly. The cutting motor may be mounted on a motor bracket. The motor bracket may provide structural support for the cutting motor at an adjustable level relative to the chassis. The height adjustment assembly may include a biasing element, a screw engagement nut, and a height adjustment screw. The screw engagement nut may be operably coupled to the motor bracket to enable adjustment of a height of the motor bracket via rotation of the height adjustment screw. The height adjustment screw may rotate to translate the screw engagement nut vertically along the height adjustment screw based on an engagement of teeth on the screw engagement nut with threads of the height adjustment screw. The teeth of the screw engagement nut may be urged toward the threads of the height adjustment screw via the biasing element. | 07-02-2015 |
20150181796 | IMPLEMENT COUPLING ARRANGEMENT - An implement coupling arrangement, typically for use with a lawn care vehicle ( | 07-02-2015 |
20150158202 | WALL OR FLOOR CHAINSAW - A chain bar unit for a wall saw is presented herein. The chain bar unit can include a bar configured to receive a circulating chain or wire around a perimeter of the bar. The chain bar unit also can include a driving gear for driving the chain or wire around the bar, the driving gear configured to be coupled to an output shaft of the wall saw. The chain bar unit further includes the bar being tapered from an end proximate to the driving gear to a distal end having a distal end radius, wherein a width of the bar at the proximate end, is at least two times the distal end radius of the distal end. | 06-11-2015 |
20150150192 | Folding Arrangement for a Handle Assembly of Walk-Behind Power Tool, a Handle Assembly and a Walk-Behind Power Tool Comprising Such an Arrangement - The present invention discloses a folding arrangement ( | 06-04-2015 |
20150135884 | THROTTLE CONTROL DEVICE - A throttle control device includes a throttle lever fixed to a throttle shaft which is arranged to open or close a valve of a carburetor, an elastically deformable tube having a first end connected to a connection point on the throttle lever, the connection point being spaced from a rotating center of the throttle lever, and an intermediary section fixed at a first fixing position spaced from the connection point by a predetermined distance, and a throttle wire slidably accommodated in the tube and having a first end fixed at a second fixing position, the second fixing position being disposed outside the tube and at a dsitance from the first end of the tube, and a second end arranged to be manipulated by means of a throttle control lever so that the throttle wire moves relative to the tube, wherein the tube has a curved portion between the connection point and the first fixing position, the curvature radius of which changes due to the movement of the throttle wire relative to the tube. | 05-21-2015 |
20150135542 | FEEDBACK SYSTEM FOR BAR CLAMPING - A knob sub assembly for adjusting bar clamp tension holding a chainsaw bar of a chainsaw to a chainsaw body of the chainsaw may include a cap, a nut and a feedback assembly. The nut may be threaded to facilitate engagement with a fixing post of the chainsaw body responsive to a transfer of torque from the cap to the nut when the cap is rotated by an operator. The feedback assembly may be disposed substantially between the cap and the nut to at least selectively transfer torque from the cap to the nut. The feedback assembly may provide feedback to the operator when a predetermined threshold of applied torque is reached. | 05-21-2015 |
20150113932 | ALL WHEEL DRIVE, WALK BEHIND MOWER - A drive system includes a first transmission, a second transmission and at least one flexible driving member. The first transmission is operably coupled to a first set of wheels to provide drive power to the first set of wheels responsive to engagement of the first transmission. The second transmission is operably coupled to a second set of wheels to provide drive power to the second set of wheels responsive to engagement of the second transmission. The at least one flexible driving member is operably coupled to a remote actuator and a drive shaft of the walk-behind outdoor power equipment device. The at least one flexible member selectively engages one of the first transmission or the second transmission to switch a walk-behind outdoor power equipment device between all wheel drive operation and another drive mode via the remote actuator. | 04-30-2015 |
20150113818 | SAW CHAIN DEPTH GAUGE FILING TEMPLATE - The invention relates to a saw chain depth gauge filing template ( | 04-30-2015 |
20150086281 | FILING FIXTURE - The present invention discloses a fixture ( | 03-26-2015 |
20150072210 | ELECTRICALLY SYMMETRICAL BATTERY CELL CONNECTOR - A battery pack may include a plurality of cells, a cell connector assembly, and a common output. The cell connector assembly may be disposed to contact at least selected ones of the plurality of cells to facilitate parallel connection of contacted cells. The common output may be electrically coupled to the cell connector assembly to receive a combined output from the plurality of cells. The cell connector assembly may include a plurality of metallic arms arranged in a hierarchical structure including at least two levels each having at least one arm, such that the cell connector assembly defines a plurality of current paths from each of the contacted cells to the combined output. The plurality of current paths are substantially equal to each other in length. | 03-12-2015 |
20150050532 | BATTERY PACK SYSTEM - A cell housing, such as for a backpack battery pack, includes a first wall, a second wall, and a cell retention structure there-between, wherein the cell retention structure is configured to retain battery cells arranged in a matrix of rows and columns such that the longitudinal axis of each battery cell is substantially parallel to the longitudinal axes of the other battery cells. A plurality of connectors are located on the exterior of the cell housing and are electrically connected to the battery cells through openings in the first and second walls of the cell housing. The connectors electrically connect the cells in each row in parallel and the cells in each column in series. The connectors may comprise unitary connectors that electrically connect the positive terminals of at least two cells of one row of cells to each other and also to the negative terminals of at least two cells of another row of cells. At least one fuse may be disposed in the connectors electrically between at least one cell and a plurality of the other connected cells. A relay may be connected in series between a printed circuit board and the battery cells to disconnect the cells from the load upon the occurrence of a predetermined event. | 02-19-2015 |
20150050531 | BATTERY CELL CONNECTOR - A battery system includes a connector electrically connecting, in parallel, three or more battery cells, where the connector includes a fuse integrally formed therein at least between a first one or more cells in the group of cells and a second one or more cells in the group of cells. The connector may be a unitary piece of conductive material that has a cross sectional area that narrows between each cell to form a fuse between each of the three or more battery cells and/or narrows between pairs of the three or more battery cells. Each fuse's cross-sectional area is dimensioned so as to disconnect the cell(s) on one side of the fuse from the cell(s) on the other side of the fuse, thereby preventing a thermal runaway event. A battery pack comprising this battery system may have an external fuse that responds to a short circuit occurring external to the battery system before the connector's fuses do. Likewise, the connector's fuses may respond to a short circuit occurring within the battery system before the external fuse does. The connector may facilitate an improved method of manufacturing battery packs. | 02-19-2015 |
20150045948 | Robotic Lawnmower - A robotic lawnmower | 02-12-2015 |
20150044519 | BATTERY PACK THERMAL MANAGEMENT SYSTEM - A battery pack may include a cell housing configured to retain a plurality of battery cells, and a plurality of cell reception slots within the cell housing to receive respective ones of the battery cells. The cell reception slots may be configured within the cell housing to define at least one fluid flow channel extending substantially in a first direction through the cell housing. The fluid flow channel may be defined at least partially by a rib connecting at least two adjacent cell reception slots to enable thermal transfer from cells disposed in the at least two adjacent cell reception slots responsive to movement of a fluid through the fluid flow channel and to inhibit a crossflow of fluid between the at least two adjacent cell reception slots in a direction other than the first direction. | 02-12-2015 |
20150041512 | CARRIER SYSTEM FOR A BACKPACK ENERGY SOURCE, ENERGY SOURCE AND BACKPACK ENERGY SOURCE ASSEMBLY - Carrier system for a backpack energy source, energy source and backpack energy source assembly The invention in particular is directed to a carrier system for a backpack energy source ( | 02-12-2015 |
20150025755 | Yard Maintenance Vehicle Obstacle Avoidance / Notification System - A riding yard maintenance vehicle may include a positioning module. The positioning module may include processing circuitry configured to receive information indicative of vehicle position of the riding yard maintenance vehicle, receive an indication of a triggering event that indicates a presence of an obstacle proximate to the riding yard maintenance vehicle, and cause recordation of an obstacle identifier in association with the vehicle position responsive to receipt of the indication. | 01-22-2015 |
20150013196 | AUGER-IMPELLER BUCKET ASSEMBLY FOR A SNOW REMOVAL DEVICE - A snow removal device includes a frame, an engine supported at least in part by the frame, a mobility assembly and a bucket assembly. The mobility assembly is operably coupled to the frame and the engine to provide mobility of the snow removal device responsive at least in part to operation of the engine. The bucket assembly is operably coupled to the frame and houses a material conveyor and an impeller, each of which operate via power from the engine to provide snow removal operations. The bucket assembly includes one of each of a first stage housing, an impeller housing, and a discharge chute base. The bucket assembly is formed such that at least two among the first stage housing, the impeller housing, or the discharge chute base are integrally molded or cast as a single unitary component. | 01-15-2015 |
20150008653 | YARD MAINTENANCE VEHICLE WITH CABLE STEERING ASSEMBLY FOR TIGHT TURNING - A riding yard maintenance vehicle may include a frame, a steering assembly, and a cable. Wheels of the riding yard maintenance vehicle may be attachable to the frame. The steering assembly may include a steering apparatus operably coupled to front wheels of the riding yard maintenance vehicle via a cable system. The cable system may include the cable, which may be wrapped around at least a portion of the steering shaft. The cable may terminate at respective ends thereof at corresponding portions of a turn magnification assembly that indirectly couples the cable to the front wheels. The turn magnification assembly may be configured to approximate Ackermann geometry steering of respective ones of the front wheels based on movement of the cable responsive to rotation of the steering shaft. | 01-08-2015 |
20140373497 | ROBOTIC LAWNMOWER - A lift detection arrangement ( | 12-25-2014 |
20140371979 | Yard Maintenance Vehicle Route and Orientation Mapping System - A riding yard maintenance vehicle may include a positioning module. The positioning module may be configured to store position information indicative of a position history of the vehicle responsive to operation of the vehicle defining a route. The positioning module may include a user interface, a memory for storing data received via one or more sensors, and processing circuitry in communication with the user interface and the memory. The processing circuitry may be configured to control operation of the positioning module and generate feedback via the user interface. The feedback may be provided to an operator based on the position information. | 12-18-2014 |
20140340025 | CHARGING APPARATUS - A charging apparatus is provided for charging a rechargeable battery for a power tool. The charging apparatus comprises a housing ( | 11-20-2014 |
20140324194 | Method for Communicating Data Between A Control System of a Power Tool and a Computing Device - Arrangement and methods for communicating data between a control system ( | 10-30-2014 |
20140310965 | HAND GUARD FOR CHAINSAW - The present disclosure relates to a chainsaw having a front hand guard including a protective structure, projecting in front of the front handle, pivotally attached to the engine housing by at least one lever for activating a brake to brake the movement of the saw chain when being pivoted. The protective structure includes see through means enabling at least partial visibility through the protective structure, and twig preventing means for limiting the risk of objects such as twigs to get stuck in the protective structure. | 10-23-2014 |
20140291954 | YARD MAINTENANCE VEHICLE WITH CABLE STEERING ASSEMBLY - A riding yard maintenance vehicle may include a frame, a steering assembly, a cable and at least one set of guide pulleys. Wheels of the riding yard maintenance vehicle may be attachable to the frame. The steering assembly may include a steering apparatus operably coupled to front wheels of the riding yard maintenance vehicle via a cable system. The cable system may include the cable, which may be wrapped around at least a portion of the steering shaft. The cable may terminate at respective ends thereof at corresponding ones of a first shaped cam and a second shaped cam each of which is operably coupled to respective ones of a first axle rod and a second axle rod. The first and second axle rods may be rotatably connected to respective ones of the front wheels. The first and second shaped cams may cause movement of the front wheels based on movement of the cable responsive to rotation of the steering shaft. The at least one set of guide pulleys may receive respective different portions of the cable to guide the cable to respective ones of the first and second shaped cams. | 10-02-2014 |
20140290621 | POWER EQUIPMENT WITH THROTTLE RELEASE ACTUATOR - An outdoor power tool may include an engine, a carburetor configured to provide a fuel and air mixture to the engine based on operation of a throttle assembly, a selector and a throttle release actuator. The selector may be operably coupled to the throttle assembly to control a position of the throttle assembly in a selected one of a plurality of throttle positions. One of the throttle positions may be an idle position and each of the other throttle positions may be selectable by an operator via manual positioning of the selector. The throttle release actuator may be configured to return the selector from any one of the throttle positions to the idle position responsive to operator actuation of the throttle release actuator. | 10-02-2014 |
20140290006 | Handle Height Adjustment Device of Walk-Behind Power Tool, a Handle Assembly and a Walk-Behind Power Tool Comprising Such a Device - A handle height adjustment device of a handle assembly ( | 10-02-2014 |
20140266664 | INDICATOR SYSTEM FOR OUTDOOR POWER EQUIPMENT - An indicator system for outdoor power equipment, such as a riding lawn mower, may include an illuminating element around the perimeter of a display screen. The illuminating element may be configured to illuminate in a predetermined manner based on a predefined condition occurring in order to alert the operator to the display screen. The display screen may be configured to display more detail about the predefined condition while the illuminating element is illuminated. | 09-18-2014 |
20140266659 | Start Fault Indicator System - A start fault indicator system for outdoor power equipment may include an illuminating element and circuitry to perform start condition checks to determine if a start fault has occurred. The illuminating element may be configured to illuminate a first predetermined color in response to detection of a start fault occurring, and illuminate a second predetermined color in response to determining that no start fault is outstanding, where the first and second predetermined colors are different colors. | 09-18-2014 |
20140260157 | DOOR LIFT AND HANDLE FOR WALK BEHIND MOWER - A lawn mower may include a blade housing configured to house at least one blade, an engine, a handle assembly, a door, and a bag lifting assembly. The blade housing may include an exit. The engine may be supported at least in part by the blade housing to selectively rotate the at least one blade. The handle assembly may guide operation of the lawn mower. The door may be rotatably disposed to have a first rest position in contact with a bagging attachment disposed to receive clippings from the blade housing and a second rest position proximate to the blade housing when the bagging attachment is removed. The bag lifting assembly may be configured to lift the door from the first rest position responsive to rotation of the handle assembly forward from an operating position. | 09-18-2014 |
20140259692 | Battery Operated Handheld Power Tool - A battery operated handheld power tool, comprising a working tool assembly ( | 09-18-2014 |
20140250851 | LAWN CARE VEHICLE WITH CUTTING DECK LIFTING PEDAL - A riding lawn care vehicle ( | 09-11-2014 |
20140246214 | BATTERY OPERATED HANDHELD POWER TOOL - A battery operated handheld power tool, the power tool ( | 09-04-2014 |
20140244090 | Battery Powered Vehicle with Immobilizing Charger Plug - A battery powered vehicle may include a battery power source, an electric drive motor, a charging receptacle, and a drive controller. The electric drive motor may be powered by the battery power source. The electric drive motor may be operably coupled to a wheel of the battery powered vehicle to provide drive power for the battery powered | 08-28-2014 |
20140215838 | Battery Powered Rear Handle Chain Saw - A battery-powered chain saw is provided which chain saw comprises a housing ( | 08-07-2014 |
20140215835 | BATTERY POWERED HAND HELD CUTTING TOOL - A hand held battery powered cutting tool is provided. The tool the ( | 08-07-2014 |
20140209078 | Adjusting of Air-Fuel Ratio of a Two-Stroke Internal Combustion Engine - To meet stringent emission standards and improve performance of two-stroke crankcase-scavenged engines, the muffler ( | 07-31-2014 |
20140208710 | QUICK-CHANGE BLADE SYSTEM - A lawn care device may include a cutting deck housing at least one blade, a rotatable shaft, and a blade mount operably coupled to the rotatable shaft. The blade mount may include at least one engagement slot configured to enclose at least a portion of the at least one blade. The blade mount may further include at least one protruding member disposed within the engagement slot to secure the at least one blade within the engagement slot responsive to insertion of the at least one blade into the engagement slot. | 07-31-2014 |
20140196426 | Walk Behind Garden Tool Chassis - Embodiments herein relate to a walk behind garden tool chassis, which chassis comprises a first chassis part ( | 07-17-2014 |
20140190713 | Guide and Control Assembly - A guide and control assembly of a battery driven portable handheld power tool ( | 07-10-2014 |
20140190141 | HANDLE CONTROL ARRANGEMENT OF A WALK-BEHIND LAWN MOWER - A walk-behind lawn mower comprising a body with an engine driving a cutting blade, and a handle assembly which is pivotably connected to the body. The lawn mower furthermore comprises a handle control arrangement for controlling pivotal movement of the handle assembly relative to the bod, between a working position and a pivoted position. The handle control arrangement comprises a locking member, selectively displaceable between an open state in which the locking member allows pivotal movement of the handle assembly from the working position to the pivoted position, and a locked state in which the locking member inhibits pivotal movement of the handle assembly from the working position to the pivoted position. The handle control arrangement also comprises an actuating member operatively connected to the locking member and controlling the state of the locking member. The actuating member is also arranged to control activation and deactivation of a device arranged to inhibit rotation of the cutting blade of the walk-behind lawn mower. | 07-10-2014 |
20140183315 | Magnet Holder for Use in a Throttle Position Sensor, a Magnet Holder for Use in an Angular Position Sensor, and Methods for Manufacturing Them - A magnet holder ( | 07-03-2014 |
20140175779 | Lawn Care Vehicle with Rear Wheel Steering Assembly - A riding lawn care vehicle may include a frame and a steering assembly. Wheels of the riding lawn care vehicle may be attachable to the frame. The steering assembly may include a steering wheel operably coupled to rear wheels of the riding lawn care vehicle via a cable system. The cable system may include a first cable portion, a second cable portion and a pulley assembly. The first and second cable portions may each contact a steering column pulley at respective first ends of the first and second cable portions. The steering column pulley may be configured to pull a corresponding one of the first cable portion or the second cable portion based on a direction of rotation of the steering wheel. The first and second cable portions may each be in operable communication with a steering disc at respective second ends of the first and second cable portions. The steering disc may provide translation of movement of the first cable portion and the second cable portion into corresponding movement of the rear wheels. The pulley assembly may be configured such that each pulley of the pulley assembly handles both the first cable portion and the second cable portion as the first cable portion and the second cable portion are conveyed from the steering column pulley to the steering disc to translate motion of the steering column pulley to the steering disc. | 06-26-2014 |
20140173917 | PORTABLE HAND-HELD POWER TOOL - A portable hand held power tool ( | 06-26-2014 |
20140167375 | LAWN CARE VEHICLE WITH REAR WHEEL AXLE ASSEMBLY - A riding lawn care vehicle may include a frame, a steering assembly, and an axle mount. The axle mount may include a first sleeve and a second sleeve disposed at opposite ends of the axle mount. The first and second sleeves may receive top portions of a first axle rod and a second axle rod. The first axle rod and the second axle rod each include a top portion and a bottom portion bent with respect to the top portion. The bottom portion may be received by the rear wheels. The first and second sleeves may be disposed in a fixed position relative to the axle mount and an orientation of the first and second sleeves may be provided such that the bottom portion of each of the first and second axle rods is substantially parallel to a driving surface in response to the steering wheel being oriented in a neutral position. | 06-19-2014 |
20140165524 | Riding Lawn Mower Including Battery Powered Drive System - A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an axle, a drive motor and a differential. The axle may have a wheel on connected to each end of the axle. The drive motor may be mounted to the axle and may be electrically connected to the battery system so that the drive motor is powered by the battery system. The differential may be operatively mounted to the axle and coupled with the drive motor so that when the drive motor is powered, rotational forces are distributed to the axle, thereby rotating each wheel. | 06-19-2014 |
20140165523 | Battery Powered Lawn Care Vehicle with Drive Efficiency Indicator - A riding lawn care vehicle may include a battery power source, an electric drive motor, at least one blade drive motor, a current sensor, and a controller. The electric drive motor may be powered by the battery power source. The electric drive motor may be operably coupled to wheels of the riding lawn care vehicle to provide drive power for the riding lawn care vehicle. The at least one blade drive motor may be powered by the battery power source. The at least one blade drive motor may be operably coupled to at least one cutting blade of the riding lawn care vehicle. The current sensor may be disposed to monitor total current drawn from the battery power source. The controller may receive total current data from the current sensor and provide feedback to an operator of the riding lawn care vehicle based on the total current data. | 06-19-2014 |
20140150390 | BATTERY POWERED LAWN CARE VEHICLE WITH EFFICIENT DRIVE CONTROLLER - A riding lawn care vehicle may include a battery power source, an electric drive motor, at least one blade drive motor, a current sensor, and a drive controller. The electric drive motor may be powered by the battery power source. The electric drive motor may be operably coupled to a wheel of the riding lawn care vehicle to provide drive power for the riding lawn care vehicle. The at least one blade drive motor may be powered by the battery power source. The at least one blade drive motor may be operably coupled to at least one cutting blade of the riding lawn care vehicle. The current sensor may be disposed to monitor total current drawn from the battery power source. The drive controller may receive total current data from the current sensor and provide a drive control signal related to operation of the electric drive motor based on the total current data. | 06-05-2014 |
20140144117 | Riding Lawn Mower Including Battery Powered Cutting System - A drive system of a battery powered riding lawn mower is provided. The drive system may include a battery system mountable to a frame, an electric drive motor and a cutting deck. The electric drive motor may be powered by the battery system and coupled with an axle and a wheel such that when the electric drive motor is powered, the electric drive motor is configured to provide rotation force to the wheel. The cutting deck maybe attached to the frame and powered by the battery system. The cutting deck may include at least one electric blade motor separate from the electric drive motor and configured to rotate at least one cutting blade rotatably mounted in the cutting deck. | 05-29-2014 |
20140137528 | Riding Lawn Mower Including Distributed Battery System - A riding lawn mower may include a first frame portion, a second frame portion, an articulated joint and a battery system. The articulated joint may couple the first frame portion to the second frame portion. The battery system may include a first battery and a second battery. The first and second batteries may be electrically connected in series and collectively coupled to a load. The first battery may be mounted to the first frame portion and the second battery may be mounted to the second frame portion. | 05-22-2014 |
20140132225 | System and Method for Charging of a Rechargeable Battery - A method of charging a battery ( | 05-15-2014 |
20140123557 | Watering Device - The invention relates to a potted plant watering device with a water transporting line (WL) comprising a fibrous material (FB) that uses capillary action. An end region (E | 05-08-2014 |
20140123499 | CHAIN SHARPENING DEVICE - A chain sharpening device arranged to sharpen a saw chain. The device comprises a housing ( | 05-08-2014 |
20140115962 | Water Transporting Line and Watering Device for Watering Potted Plants - The invention relates to a potted plant watering device and a water transporting line (WL) which is used in said watering device, said transporting line comprising a fibrous material (FB) which makes use of capillary action and comprising a watertight casing (HU) which surrounds the fibrous material in a tubular manner. The fibrous material (FB) and the casing (HU) are formed in a flat manner in the shape of a strip, and the tubular casing (HU) walls (W | 05-01-2014 |
20140109539 | FRONT BAFFLE ASSEMBLY FOR A LAWN MOWER - A front baffle assembly ( | 04-24-2014 |
20140109416 | ATTACHING ARRANGEMENT FOR HAND-HELD MOTOR-DRIVEN TOOLS - The invention relates to an arrangement for attaching a bar of a hand-held motor driven tool to a body of the tool, the arrangement including: at least one bolt, having a first part, securely arranged to the body, and a second part extending from the body, the second part having an engagement portion for engaging a nut; a cover portion adapted to bear against a bar such that the bar is arranged between the cover portion and the body; and at least one nut, captively attached to the cover portion. The nut is adapted to engage the engagement portion of the bolt for securing a bar between the cover portion and the body, the nut having a rotation axis. Thereby, an attachment arrangement is achieved that facilitates changing of bars when the nut used in the attachment arrangement is captively arranged to the cover portion. | 04-24-2014 |
20140106915 | QUICK-ACTION CHAIN TENSIONING DEVICE FOR A CHAINSAW, AND SUCH MECHANISM AND METHOD - To facilitate the demounting of a chain ( | 04-17-2014 |
20140083884 | Chainsaw Bar / Chain Packaging Technique and Packaging Employed for the Same - A chainsaw bar assembly includes a chainsaw bar, a chain and a first packaging material. The chainsaw bar includes a chainsaw body engagement portion configured to engage a body of a chainsaw proximate to a drive member. The chain is provided for operable engagement with the chainsaw bar. The first packaging material is applied at a portion of the chainsaw bar that is forward of the chainsaw body engagement portion. The first packaging material holds the chain affixed to the chainsaw bar to enable engagement of the chain to the drive member of the chainsaw and engagement of the chainsaw bar to the body of the chainsaw without removal of the first packaging material. | 03-27-2014 |
20140083072 | HEIGHT ADJUSTMENT ARRANGEMENT FOR A LAWN MOWER - A height adjustment arrangement ( | 03-27-2014 |
20140080672 | BRAKE ASSEMBLY FOR POWER-DRIVEN HAND-HELD CUTTING DEVICE - A brake assembly ( | 03-20-2014 |
20140079487 | LAYING MACHINE AND A BLADE ASSEMBLY - The present disclosure presents a laying machine for laying at least one flexible casing or tube, cable, or wire. The laying machine includes a blade arrangement for making a trench in the ground. The laying machine can also include a consolidation and laying means being arranged behind the blade arrangement for clearing and safeguarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. Additionally, a blade assembly including compartments for cooling fluid and air is presented herein. | 03-20-2014 |
20140048165 | Water Transport Line for a Plant Watering System and Plant Watering System - The invention relates to a plant watering system, in particular for a drip watering system. According to the invention, said system comprises a water transport line operating according to the capillary effect principle, comprising a fibrous material arranged in a water-tight covering (HU) arranged between a water reservoir (VB) and a plant pot (TO), in particular a pot (TO) filled with a soil substrate (ES). Said fibrous material consists of a non-woven containing a mixture of microfilaments formed from of at least two different plastic materials and has a titer of preferably less than 1.0 dTex. Said fibrous material is preferably in the form of a strip (SB). | 02-20-2014 |
20140047812 | Lawn Mower Wheel and Lawn Mower with such a Wheel - A lawn mower wheel ( | 02-20-2014 |
20140026854 | CARBURETOR SYSTEM FOR A CARBURETOR ENGINE - A fuel supply system for small two-stroke internal combustion engines for e.g. chain saws, line trimmers and similar hand-held power-tools including a diaphragm carburetor ( | 01-30-2014 |
20140013909 | CUTTING AND DUST OR SLURRY COLLECTING ASSEMBLY AND WORKING MACHINE - A cutting and dust or slurry collecting assembly that comprises: a) a circular saw blade ( | 01-16-2014 |
20140000116 | HANDLE PROTECTOR FOR A HAND TOOL | 01-02-2014 |
20130345003 | CHAINSAW WITH GUIDE BAR CLAMPING AND CHAIN TENSIONING ASSEMBLY - A chainsaw includes a chainsaw body, a chainsaw bar configured to be operably coupled to a cutting chain, and a clutch cover disposed proximate to a portion of the chainsaw bar to facilitate clamping the chainsaw bar to the chainsaw body. The clutch cover may be configured to receive a tension sub assembly disposed at a portion of the clutch cover to enable both adjustment of chain tension in a first mode of operation and clamping of the chainsaw bar in a second mode of operation. The tension sub assembly may include a mode shift mechanism configured to move between a first position in which the tension sub assembly operates in the first mode and a second position in which the tension sub assembly operates in the second mode. | 12-26-2013 |
20130332049 | CONTROL OF A/F RATIO AT CUT-OUT SPEED - The invention concerns a method for controlling at least one of a fuel supply and an air supply to an internal combustion engine ( | 12-12-2013 |
20130307249 | LINKAGE ARRANGEMENT - A linkage arrangement for an articulated vehicle. The linkage arrangement ( | 11-21-2013 |
20130306047 | WALL OR FLOOR CHAINSAW - A chain bar unit for a wall saw is presented herein. The chain bar unit can include a bar configured to receive a circulating chain or wire around a perimeter of the bar. The chain bar unit also can include a driving gear for driving the chain or wire around the bar, the driving gear configured to be coupled to an output shaft of the wall saw. The chain bar unit further includes the bar being tapered from an end proximate to the driving gear to a distal end having a distal end radius, wherein a width of the bar at the proximate end, is at least two times the distal end radius of the distal end. | 11-21-2013 |
20130291702 | KICKBACK REDUCING CHAIN LINK - A cutting chain ( | 11-07-2013 |
20130284126 | BRUSHCUTTER - A brushcutter includes: a centrifugal clutch ( | 10-31-2013 |
20130247896 | POWER CUTTER - A power cutter including a tool unit, an internal combustion engine having an engine cylinder with cylinder bore having a center line and an exhaust port formed in the engine cylinder, a crankshaft, crankcase and an assembly for supplying air and fuel to the engine, and a muffler accommodated in a close and side by side relationship with the engine cylinder, the muffler includes an exhaust gas inlet and an exhaust gas outlet, such that the exhaust gas inlet is adapted to receive the exhaust gases from an exhaust port of the engine cylinder, wherein the exhaust gas inlet is provided on the top or bottom or local side of the muffler. | 09-26-2013 |
20130239940 | POWER CUTTER - A power cutter powered by a single cylinder internal combustion engine, the power cutter including: a tool unit having at least one tool, which can be rotated about an axis of rotation; a drive unit including an engine, the engine including an engine cylinder having a cylinder bore centerline, a piston, a crankshaft with a crankshaft axis of rotation and a flywheel, the crankshaft running in a counter clockwise direction as seen towards the flywheel; a cutter arm attached to the drive unit in its inner end and its outer end carrying the tool unit, a centerline of the cutter arm essentially follows a connection line between the axis of rotation of the tool and the axis of rotation of the crankshaft. | 09-19-2013 |
20130199137 | DUST COLLECTOR WITH A CONSTANT SUCTION FORCE - A dust collector including a cylindrical cyclone tube, a central outlet channel, a swirl generator, and a swirl reflector is disclosed. The cylindrical cyclone tube can include one or more inlets. The central outlet channel includes a lower inlet end and an upper outlet end, wherein the upper outlet end is located above the one or more inlets. The swirl generator can be configured to generate a swirl between the cylindrical cyclone tube and the central outlet channel, the swirl generator configured to encircle the central outlet channel. The swirl reflector can be located near a bottom of the cylindrical cyclone tube and forming a particle chamber therebelow. A distance between the swirl reflector and the lower inlet end of the central outlet channel can be between ten to fifty percent of the length of the cylindrical cyclone tube from the one or more inlets to the swirl reflector. | 08-08-2013 |
20130195570 | CORE DRILLING MACHINE AND A HANDLE ASSEMBLY FOR A CORE DRILLING MACHINE - The present invention relates to a core drilling machine ( | 08-01-2013 |
20130184924 | METHOD AND SYSTEM FOR GUIDING A ROBOTIC GARDEN TOOL - Method and system for guiding a robotic garden tool ( | 07-18-2013 |
20130174707 | BLADE GUARD FOR A SAW - A blade guard for a circular saw blade. The blade guard includes at least two pieces coupled together. The blade guard also includes at least one bottom plate having a slot formed therein for accommodating the circular saw blade and at least one top cover. Additionally, the blade guard includes a plurality of fastening rods for coupling the bottom plate with the top cover, the plurality of fastening rods further configured to secure the at least two pieces to the at least one bottom plate and the at least one top cover. | 07-11-2013 |
20130161047 | HANDLE ARRANGEMENT FOR A POWER TOOL - A handle arrangement ( | 06-27-2013 |
20130133618 | Method for Controlling the Fuel Supply to an Internal Combustion Engine at Start-Up and a Carburetor - The invention concerns a method for controlling the fuel supply to an internal combustion engine at start-up, the engine having a fuel supply system. The invention also concerns a carburetor having a fuel supply system including a main fuel path connecting a diaphragm controlled regulating chamber to a main outlet in the region of the venturi section, the main fuel path including an actively controlled fuel valve, and an idling fuel path branching off from the main fuel path downstream of the valve and ending in at least one idling outlet in the region of a throttle valve, the fuel supply system further including a start fuel line starting upstream or downstream of the fuel valve and ending in at least one start fuel outlet to the intake channel. | 05-30-2013 |
20130110322 | Communication and Safety Device for Boundary Aided Systems | 05-02-2013 |
20130098647 | BATTERY POWERED TOOL - The present disclosure relates to a battery powered tool ( | 04-25-2013 |
20130097876 | HANDLE SYSTEM FOR A HANDHELD POWER TOOL - The present invention relates to a method and devices for mounting and securing a handle ( | 04-25-2013 |
20130091973 | ACCELERATOR - An accelerator ( | 04-18-2013 |
20130076304 | Effective Charging by Multiple Contact Points - A charging coupling for connecting a robotic garden tool with a charging device may facilitate the charging of a battery of the robotic garden tool. The charging coupling may include a first charging contact and a second charging contact. The first charging contact may be a charging plate or a charging rod. The second charging contact may be provided with a row of resilient contact bars. The arrangement of the first charging contact and the second charging contact may be configured such that the resilient contact bars are pressed against the charging plate to provide multiple contact points. | 03-28-2013 |
20130066484 | Method and System for Guiding a Robotic Garden Tool to a Predetermined Position - The present invention relates to a method ( | 03-14-2013 |
20130039711 | DRILLING DEVICE WITH A CONTROLLER FOR THE FEEDING UNIT - The present invention relates to methods and systems for automatically feeding a feeding housing ( | 02-14-2013 |
20130034395 | LEVELING AID FOR DRILLING TOOLS - According to an embodiment, a leveling aid ( | 02-07-2013 |
20130030609 | Robotic Garden Tool Following Wires at a Distance Using Multiple Signals - The present invention relates to a method ( | 01-31-2013 |
20130025135 | HEDGE TRIMMER - A hedge trimmer ( | 01-31-2013 |
20130006419 | METHOD AND SYSTEM FOR NAVIGATING A ROBOTIC GARDEN TOOL - The present invention relates to a method ( | 01-03-2013 |
20130000132 | Battery Driven Electric Power Tool with Brushless Motor - An electric power tool ( | 01-03-2013 |
20120328370 | Laying Machine - The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement ( | 12-27-2012 |
20120324743 | Battery Driven Electric Tool - A balanced electric power tool ( | 12-27-2012 |
20120318797 | FLIP UP CAP - The invention relates to a closure device ( | 12-20-2012 |
20120318143 | Air Inlet System for an Internal Combustion Engine - An air inlet system ( | 12-20-2012 |
20120311873 | COMBUSTION ENGINE POWERED WORKING MACHINE - A portable, hand-held, combustion engine powered working machine, e.g. a power cutter, chain saw or trimmer, comprising: a tool unit including a working tool; a machine unit ( | 12-13-2012 |
20120304966 | ALTERNATING IGNITION ANGLE BEFORE TDC - The invention relates to methods and means of regulating the speed of a two-stroke combustion engine. An arrangement for alternating an ignition timing relative to a top dead center position is provided. For a given engine speed, the ignition timing may be step-wise adjustable. One or more steps may be used while alternating between two ignition timings. The ignition timing may be adjusted when the engine speed increases above a threshold engine speed. | 12-06-2012 |
20120304842 | TOOL UNIT AND TOOL FOR A CUTTING OR SAWING MACHINE - A tool unit ( | 12-06-2012 |
20120299521 | ELECTRIC MOTOR AND METHOD FOR CONTROLLING THE SAME - An electric motor ( | 11-29-2012 |
20120285410 | Hand-Held Work Apparatus Powered by Internal Combustion Engine - A hand-held work apparatus includes an engine housing ( | 11-15-2012 |
20120272942 | WIRE SAW - The invention relates to a wire saw having a saw wire drive sheave ( | 11-01-2012 |
20120266580 | LAWN MOWER - The invention relates to a lawn mower ( | 10-25-2012 |
20120249313 | ELECTRIC HAND TOOL WITH ACTIVATION INDICATION DEVICE - The invention relates to an electrically powered hand tool which comprises a device for providing tactile feedback to an operator of the tool. The tool further comprises a user-operated trigger for activating the working member of the tool. The tactile feedback provided by the tool alerts the operator about the activation status of the tool. More specifically, the operator is provided with an indication that the power to the tool is ON. The tactile feedback is provided at least from the time when the power to the tool is turned ON to the point in time when the trigger is pulled to activate the working member of the tool. | 10-04-2012 |
20120234305 | SAW FOR CONSTRUCTION CUTTING WORK | 09-20-2012 |
20120204432 | Handle Part for a Motorized Handheld Tool - The present invention relates to a handle part ( | 08-16-2012 |
20120204431 | Handheld Working Tool - The present invention concerns a handheld working tool comprising a motor part ( | 08-16-2012 |
20120186162 | DIAMOND TOOL AND METHOD OF MAKING THIS TOOL - The invention relates to a diamond tool comprising a tool body ( | 07-26-2012 |
20120180773 | WALL SAW AND INTERCHANGABLE ASSEMBLIES FOR WALL SAWS - An interchangeable concrete cutting chain-saw cutting assembly ( | 07-19-2012 |
20120151778 | CUTTING ASSEMBLY FOR HAND-HELD POWER TOOL - The invention relates to a cutting assembly ( | 06-21-2012 |
20120137644 | TELESCOPING OF CUTTING DECK - The invention relates to an attachment of the cutting deck assembly ( | 06-07-2012 |
20120118278 | CUTTING MACHINE WITH A LIQUID LUBRICATION DELIVERY SYSTEM HAVING A CONTROLLED LIQUID LEVEL - A cutting machine having a liquid lubrication delivery system. The machine includes a work-piece platform having an upper surface for supporting a work-piece thereupon. The work-piece platform can further include a main channel defining a recess in the upper surface. At least one liquid lubrication inlet for discharging liquid into the main channel can also be present on the work-piece platform. The at least one liquid lubrication inlet can be a plurality of liquid lubrication inlets. | 05-17-2012 |
20120117809 | CHAINSAW ARRANGEMENT - A chainsaw ( | 05-17-2012 |
20120102766 | CHAINSAW ARRANGEMENT - A chainsaw, comprising: a guide bar, a cutting chain and a driving unit arranged to drive the cutting chain around the guide bar. The guide bar defines a first longitudinal axis extending along a centre of the guide bar. The chainsaw further comprising a handle section for carrying and operating the chainsaw, wherein the handle section includes a control portion disposed on the upper side of the chainsaw. The control portion in turn includes a throttle lever for controlling the speed of the driving unit and the control portion has a left and a right side. The control portion defines a second longitudinal axis substantially extending along an upper side of at least a part of the control portion. An angle, A, between the first and the second longitudinal axes is between 14° and 45°. | 05-03-2012 |
20120102765 | CHAINSAW ARRANGEMENT - A chainsaw, comprising: a guide bar, a cutting chain and a driving unit arranged to drive the cutting chain around the guide bar. The guide bar defines a first longitudinal axis extending along a centre of the guide bar. The chainsaw further comprising a handle section for carrying and operating the chainsaw, wherein the handle section includes a control portion disposed on the upper side of the chainsaw. The control portion in turn includes a throttle lever for controlling the speed of the driving unit and the control portion has a left and a right side. The control portion defines a second longitudinal axis substantially extending along an upper side of at least a part of the control portion. An angle, A, between the first and the second longitudinal axes is between 14° and 45. | 05-03-2012 |
20120102755 | Electrical Two-Way Rotary Trimmer - An electrical trimmer ( | 05-03-2012 |
20120055687 | BATTERY OPERATED PORTABLE TOOLS - A battery-operated portable tool ( | 03-08-2012 |
20120055034 | CHAINSAW ARRANGEMENT - A chainsaw ( | 03-08-2012 |
20120031635 | BATTERY-POWERED PORTABLE TOOLS - A battery-powered portable tool, such as a chainsaw, hedge trimmer or handheld drill, comprising: a housing ( | 02-09-2012 |
20120024275 | TWO-STROKE INTERNAL COMBUSTION ENGINE - A two stroke crank case scavenged two-stroke internal combustion engine, the engine including: a cylinder ( | 02-02-2012 |
20120023761 | BATTERY-POWERED PORTABLE CUTTING TOOLS - A battery-powered portable cutting tool such as a chainsaw or hedge trimmer, comprising: a housing ( | 02-02-2012 |
20110308831 | BATTERY POWERED TOOL AND BATTERY PACK FOR A BATTERY POWERED TOOL - A battery pack for powering a battery powered tool may include a housing, a plurality of cells and an electrical connection assembly. The housing may include a sidewall assembly. The sidewall assembly may be configured to correspond to respective sidewalls of a battery compartment defined at a portion of the battery powered tool to facilitate insertion of the battery pack into the battery compartment. The plurality of cells may be disposed within the housing and arranged adjacent to each other such that the sidewall assembly, which extends along a direction substantially parallel to a direction of insertion of the battery pack into the battery compartment, forms an enclosure around the plurality of cells on all sides substantially parallel to the direction of insertion. The plurality of cells may be electrically connected to each other to provide a combined output. The electrical connection assembly may be disposed at a portion of the sidewall assembly to communicate the combined output to a connector disposed at a corresponding sidewall of the battery compartment. The electrical connection assembly may be arranged to engage the connector responsive to movement of the battery pack in a direction substantially parallel to the direction of insertion of the battery pack into the battery compartment. | 12-22-2011 |
20110289786 | PORTABLE HAND-HELD POWER TOOL - A portable handheld power tool ( | 12-01-2011 |
20110282519 | CONTROL SYSTEM FOR A REMOTE CONTROL WORK MACHINE - Control system for a remote-controlled working machine ( | 11-17-2011 |
20110265334 | HANDGUARD FOR CHAINSAW - The invention relates to a chainsaw having a front hand guard ( | 11-03-2011 |
20110247708 | PORTABLE WATER TANK ASSEMBLY FOR A DUST EMITTING CONSTRUCTION MACHINE - A portable water tank assembly for a dust emitting construction machine, such as a machine for cutting concrete, stone, ceramic materials and the like, said assembly comprising a water container ( | 10-13-2011 |
20110240590 | CLOSURE ARRANGEMENT - The present invention relates to a closure arrangement on a tank ( | 10-06-2011 |
20110095215 | FUEL SUPPLY UNIT - A fuel supply unit ( | 04-28-2011 |
20110061246 | COASTING BRAKE ARRANGEMENT FOR A POWER TOOL - A chainsaw having a brake arrangement comprising: a kickback brake drum ( | 03-17-2011 |
20110056716 | ELECTRIC SAW COMMUNICATION - The present invention relates to an electric saw ( | 03-10-2011 |
20110005888 | SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH - The present invention provides a clutch drum ( | 01-13-2011 |
20100307448 | LUBRICATION SYSTEM FOR A FOUR-STROKE ENGINE - A lubrication system for a four stroke engine including an oil pan for storing lubrication oil; a crankcase, wherein a crankshaft is disposed, which crankshaft has a balance weight and is coupled with a piston of a cylinder; a gear assembly room; a rocker-arm chamber; and a gas-oil separator for separating gas and oil from a mix of gas and oil; wherein the oil pan communicates with the crankcase by an oil suction passage, in which a first check valve is disposed; the crankcase communicates with the gear assembly room by a first oil delivery passage; the gear assembly room communicates with the rocker-arm chamber by a second oil delivery passage, and the gear assembly room communicates with the oil pan by a third oil delivery passage; the rocker-arm chamber communicates with the crankcase by a first oil return passage having a second check valve therein. | 12-09-2010 |
20100299944 | CUTTING OR SAWING MACHINE - A preferred embodiment of a hand-operated flush cutting machine ( | 12-02-2010 |
20100252011 | IDLE SPEED CONTROL FOR A HANDHELD POWER TOOL - Method for controlling fuel metering in a carburetor or a low pressure injection system of an internal combustion engine when the engine is operating at idle speed, the method includes the steps of:
| 10-07-2010 |
20100180453 | CUTTING TROLLEY WITH A FRONT AND A REAR ATTACHMENT DEVICE - A cutting trolley ( | 07-22-2010 |
20100140025 | RETARDING DEVICE FOR A HANDHELD CUTTING MACHINE - The present invention is related to a retarding device for a hand held cutting machine having a housing ( | 06-10-2010 |
20100059000 | ARRANGEMENT RELATED TO A MOTOR-DRIVEN TOOL - An arrangement for cleaning of intake air for an air-cooled internal combustion engine of a motor-driven tool, such as a chain saw. The arrangement includes an air conductor surrounding a fan wheel arranged to propel intake air around an axis of the fan wheel. An inner wall of the air conductor is arranged for guiding air propelled by the fan wheel. An air nozzle for cleaning of intake air is arranged on the inner wall of the air conductor radially close to said fan wheel. The air nozzle serves as a passage way for providing cleaned intake air from the fan wheel to the engine of the motor-driven tool, wherein the air nozzle and the air conductor are manufactured in one piece. | 03-11-2010 |
20100011597 | METHOD FOR ADJUSTING THE AIR-FUEL RATION OF AN INTERNAL COMBUSTION ENGINE - Method for adjusting the air-fuel ratio of an internal combustion engine, in a fuel supply section thereof, such as a carburettor or a fuel-injection system, the fuel supply section having a control unit for adjusting the air-fuel ratio of the engine and the engine having an engine speed and an engine throttle ranging from zero throttle to full throttle. The method including: a) measuring the engine speed of the engine; b) comparing the engine speed to a first engine speed value; c) adjusting the air fuel ratio if the engine speed is lower than the first engine speed value; and d) repeating a) to c) until the engine speed is either greater than or equal to the first engine speed value. | 01-21-2010 |
20090145399 | METHOD FOR CONTROLLING A FUEL VALVE AND/OR AN AIR VALVE FOR AN INTERNAL COMBUSTION ENGINE - A method for controlling a valve of a crank case scavenged internal combustion engine includes determining a valve control sequence, wherein the valve is controlled in consecutive periods of revolutions each having a period length of at least ten revolutions, and controlling the valve according to the valve control sequence to adjust the ratio of fuel to air in a combustible mixture delivered to an engine combustion chamber. Determining the valve control sequence for each period includes providing a number of valve shut-off positions, wherein the number of valve shut-off positions corresponds to an amount of fuel or air to be supplied to the engine during the corresponding period, and determining which revolutions of the period that the valve is to be closed. | 06-11-2009 |
20090100684 | MOTOR DRIVEN TOOL SUCH AS A POLE HEDGE TRIMMER WITH A LOCKING MECHANISM FOR THE TURNABLE CUTTING UNIT - A motor driven tool such as a pole hedge trimmer, a pole saw or the like includes a drive unit ( | 04-23-2009 |
20080302345 | A Crankcase Scavenged Two-Stroke Internal Combustion Engine Having an Additional Air Supply - A crankcase scavenged two-stroke internal combustion engine ( | 12-11-2008 |
20080283302 | Water Collecting Device for Core Drilling Device - The invention relates to a water collecting device ( | 11-20-2008 |