Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


BRIGGS & STRATTON CORPORATION

BRIGGS & STRATTON CORPORATION Patent applications
Patent application numberTitlePublished
20120102789SNOW THROWER IMPELLER - A snow thrower impeller includes a layer of material comprising a blade support wall and blades extending from the blade support wall.05-03-2012
20120042848FUEL STABALIZER METERING DEVICE AND METHOD - An apparatus and method discharge fuel stabilizer to a carburetor bowl of an engine during or after completion of engine shutdown.02-23-2012
20120042477FOLDABLE HANDLE RETAINER - Resiliently movable fingers receive a portion of a foldable handle therebetween to retain the handle against folding relative to a frame.02-23-2012
20120017394HANDLE HINGE - A handle hinge includes a first member; a second member is pivotably coupled to the first member; and a sleeve. One of the sleeve and the first member is movable between a first state in which the sleeve extends across a junction of the first member and the second member to inhibit pivoting of the first member and the second member, and a second state in which the sleeve and the first member are positioned to allow pivoting of the first member and the second member.01-26-2012
20120006839FUEL TANK VENT SYSTEM - An apparatus and method vent a fuel tank through an oleophobic membrane. In one embodiment, a pressure relief valve accommodates pressure buildups that may result from use of the oleophobic membrane. In one embodiment, a vacuum relief valve accommodates pressure drops within the fuel tank. that may result from use of the oleophobic membrane.01-12-2012
20110315133AUTOMATIC CHOKE FOR AN ENGINE - An internal combustion engine includes a muffler configured to reduce exhaust gas noise, a choke valve configured to control a flow of air in a carburetor, a thermally responsive element coupled with the choke valve and configured to move the choke valve in response to a temperature change in the thermally responsive element, and a thermally conductive member. The muffler has a housing defining an interior and an exterior. The thermally conductive member has a first portion positioned in the interior of the muffler in direct contact with the exhaust gases and extends through the muffler housing to the exterior of the muffler. The thermally conductive member also has a second portion positioned exteriorly of the muffler and coupled to the thermally responsive element, the thermally conductive member configured to conduct heat from exhaust gases within the muffler to the thermally responsive element.12-29-2011
20110298286DYNAMIC LOAD SHEDDING SYSTEM FOR A STANDBY GENERATOR - A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads.12-08-2011
20110298285ACTIVE LOAD MANAGEMENT SYSTEM - A method and system for managing loads powered by a standby generator. The method includes utilizing a transfer switch control unit to selectively shed loads each associated with one of a series of priority circuits. The loads are shed in a sequential order based upon the priority circuit to which the load is applied. Once a required load has been shed, the control unit determines whether any of the lower priority loads can be reconnected to the generator without exceeding the rating of the generator while one of the higher priority circuits remains open.12-08-2011
20110291847Power Line Carrier (PLC) Communication of Standby Generator Status - A method and system for remotely monitoring the status of a standby generator. The system includes a PLC transmitter in communication with the control unit for the generator. The PLC transmitter receives error codes from the control unit of the generator and transmits encoded error codes over the power distribution network in a home using a PLC frequency. A remote status display device can be connected to the power distribution network in the home at any convenient location. The remote status display device includes a PLC receiver that decodes the error codes. The decoded error codes are displayed on a display of the remote status display device for viewing by the home occupant at a location remote from the standby generator.12-01-2011
20110260473METHOD FOR STANDBY GENERATOR RESTART AFTER FAULT SHUT-DOWN - A standby generator that includes a control unit that allows the standby generator to be automatically restarted upon termination of the generator operation due to a fault condition. The control unit of the standby generator monitors various conditions of the standby generator and terminates operation of the standby generator upon detection of any one of a plurality of fault conditions. After the generator operation has been terminated, the control unit determines whether the fault condition is one of a series of fault conditions that allows automatic restarting. If the fault condition allows for automatic restarting, the control unit monitors the status of the generator and will automatically restart the generator after removal of the fault condition.10-27-2011
20110215486CARBURETOR INCLUDING ONE-PIECE FUEL-METERING INSERT - A carburetor includes a body, a throttle valve positioned in an air/fuel passageway in the body, a fuel bowl coupled to the body, a fuel bowl chamber at least partially defined by the fuel bowl, and a one-piece fuel-metering insert coupled to the body. The insert includes an idle circuit passageway having a first end in fluid communication with a fuel passageway in the body and a second end in fluid communication with the fuel bowl chamber. The insert also includes a main circuit passageway having a first end in fluid communication with the air/fuel passageway and a second end in fluid communication with the fuel bowl chamber.09-08-2011
20110203864HOOD ASSEMBLY FOR A LAWN TRACTOR WITH REMOVABLE COWL - A hood assembly for a lawn tractor that includes a removable air intake cowl to prevent debris and rain from entering into the open interior defined by the hood. The air intake cowl is removably mounted to the hood of the lawn tractor. The hood of the lawn tractor includes a series of engine intake openings that allow air to flow onto the internal combustion engine. The cowl is defined by a top wall and a pair of depending sidewalls that each include a series of air inlet openings. The air inlet openings extend generally perpendicular to the top panel of the hood and thus prevent debris and rain from reaching the engine intake openings.08-25-2011
20110186004HINGED BEAM RETAINER - A retainer extends across first and second overlapping hinged beams to retain the hinged beams against pivotal movement.08-04-2011
20110147492HOSE - A hose includes a first tubular core, a second tubular core, a reinforcement and a jacket. The first tubular core has a first conduit opening into a first passage at a first end of the first conduit and opening into a second passage at a second end of the first conduit. The second tubular core has a second conduit opening into the first passage at a first end of the second conduit and opening into the second passage at a second end of the second conduit. The reinforcement is sandwiched between the first tubular core and the second tubular core. The jacket extends about and interconnects the first tubular core and the second tubular core.06-23-2011
20110146112SNOW BLOWER - A snow blower has an auger housing that pivots relative to an axle supporting ground engaging members of the snow blower or about an axis substantially perpendicular to a direction of travel of the snow blower.06-23-2011
20110120310CYCLONIC AIR CLEANER ASSEMBLY - An apparatus and method utilize a fan to direct air through a screen to cool an engine. A cyclonic air cleaner assembly receives air from the blower fan and directs the air towards an air-fuel mixing device of the engine.05-26-2011
20110118961PUSH BUTTON STARTING SYSTEM FOR OUTDOOR POWER EQUIPMENT - A starting system for outdoor power equipment that has a controller and a start button to control the activation of an internal combustion engine. The starting system includes a controller that receives a start signal from a start button. The controller monitors for the presence of an enable device in an enable device receptacle and, upon activation of the start button and the presence of the enable device in the enable device receptacle, the controller provides electric power to the electric load of the power equipment. When the start button is depressed for longer than a minimum engagement period, the controller initiates operation of the engine. If the start button is pressed for less than the minimum engagement period, the controller activates the electric load for an auxiliary period without starting the engine. During engine operation, if the start button is depressed, the controller terminates operation of the engine.05-19-2011
20110114123DISTANCE INDICATOR - A method and apparatus utilize a first beam emitter and a second beam emitter coupled to the first beam emitter. The first beam emitter and the second beam emitter move in unison between a plurality of positions to indicate a plurality of distances separating the first beam emitter and the second beam emitter from endpoints of beams emitted by the first beam emitter and the second beam emitter.05-19-2011
20100176518SYSTEM AND METHOD FOR CONVERTING AN ENGINE TO AN ALTERNATE FUEL - An engine conversion kit for converting an engine that combusts gasoline to an engine that combusts a fuel other than gasoline, such as E85 which is 85 percent ethanol and 15 percent gasoline includes a carburetor having a vent passageway that defines a vent size, and an automatic choke system. The kit includes a second carburetor including a primer passageway and a second vent passageway having a second vent size that is smaller than the vent size. The second carburetor is adapted to attach to the engine and replace the carburetor. A primer bulb is configured to connect to the engine and is operable to force air into the primer passageway07-15-2010
20100078265HOSE CAP COUPLER AND CLIP - An apparatus includes a hose cap coupler, a cap removably coupled to the cap coupler and a clip supported by at least one of the cap and the coupler. The clip is configured to retain the cap coupler to an engine or other portions of an implement.04-01-2010
20100004093AUTOMATIC ENGINE SPEED ADJUSTMENT - An apparatus and method move a speed control lever of an engine automatically in response to movement of a manual actuator to engage a driven member.01-07-2010
20090299614ENGINE WITH AN AUTOMATIC CHOKE AND METHOD OF OPERATING AN AUTOMATIC CHOKE FOR AN ENGINE - An automatic choke connectable to an engine. Also disclosed is an engine including the automatic choke, an apparatus including the engine and the automatic choke, and a method of controlling a choke valve. The automatic choke includes a motor for moving a choke valve and a controller electrically connected to the motor. In one construction, the controller is configured to store position information and a flag related to a position of the choke valve, determine the engine has, and control the automatic choke with the stored position information based on the flag and the determination that the engine has re-started. In another construction, the controller is configured to generate a motor control signal to direct the choke valve to a fully-open position without providing choke relief based on a temperature value indicating the engine temperature is greater than a threshold.12-03-2009
20090294450FUEL TANK CAP FOR A FUEL TANK - A fuel tank cap for a fuel tank of an engine. The fuel tank cap includes a fuel cap cover, a housing having a side wall, a bottom wall, and a receptacle, a fuel vapor adsorption material positioned within the receptacle, an inlet disposed near the bottom wall and configured to provide fluid communication with a fuel tank vapor space, an outlet disposed near the bottom wall and configured to provide fluid communication with the atmosphere, an internal wall adjacent the bottom wall and disposed between the inlet and the outlet, and at least one aperture configured to permit fuel vapor to flow in a vapor flow path from one side of the internal wall to the other side of the internal wall.12-03-2009
20090293828ENGINE WITH AN AUTOMATIC CHOKE AND METHOD OF OPERATING AN AUTOMATIC CHOKE FOR AN ENGINE - A method of controlling a choke valve of an engine with a controller is disclosed. Also disclosed is an automatic choke performing the method, an engine having the automatic choke, and an apparatus having the engine. The controller includes an electronic circuit, such as a programmable device, and is coupled to a temperature sensor and a motor. The method includes determining a temperature value using the temperature sensor, determining a time period to hold the choke valve in a first position, keeping the choke valve at the first position for the time period, moving the choke valve from the first position toward a second position using the motor, determining a count to hold the choke valve, keeping the choke valve at the second position for the count, and moving the choke valve from the second position toward a fully open position.12-03-2009
20090159036INTAKE MANIFOLD REGULATORS FOR INTERNAL COMBUSTION ENGINES - The present invention provides an internal combustion engine including an engine housing, a crankshaft rotatably supported in the engine housing, a cylinder, a piston movable within the cylinder, a combustion chamber in fluid communication with the cylinder, a fuel system configured to provide fuel to the combustion chamber, an intake passageway configured to provide a fluid to the combustion chamber, and a first regulator at least partially positioned in the intake passageway. The first regulator is selectable from a plurality of regulators. The engine also includes a coupling device configured to maintain the first regulator in the intake passageway, and a slot in the interior wall of the intake passageway that receives an end of the first regulator. The first regulator is configured to be removed and replaced by a second regulator from the plurality of regulators without disassembly of the intake passageway.06-25-2009
20090159035INTAKE MANIFOLD REGULATORS FOR INTERNAL COMBUSTION ENGINES - An intake manifold assembly includes an intake manifold having an inlet configured to receive an air/fuel mixture from a carburetor, an outlet configured to discharge the air/fuel mixture into a combustion chamber, an interior wall at least partially defining an intake passageway fluidly communicating the inlet and the outlet, and an aperture in the interior wall. The aperture is positioned between the inlet and the outlet. The intake manifold assembly also includes a first regulator received in the aperture and at least partially positioned in the intake passageway to effectively decrease the cross-sectional open area of the intake passageway. The first regulator is selectable from a plurality of regulators configured to each be at least partially positionable in the intake passageway. The first regulator is configured to be removed and replaced by a second regulator from the plurality of regulators without disassembly of the intake manifold from the carburetor.06-25-2009
20090146327CARBURETOR AND AUTOMATIC CHOKE ASSEMBLY FOR AN ENGINE - A carburetor configured for use with an internal combustion engine includes a body defining a passageway therein, a throttle lever including a cam surface, and a throttle valve positioned in the passageway and responsive to movement of the throttle lever. The throttle valve is configured to rotate about a first axis from a wide-open first position to a second position at least 50 degrees from the first position. The carburetor also includes a choke lever including a follower surface configured to be engaged by the cam surface and a choke valve positioned in the passageway and responsive to movement of the choke lever. One of the cam surface and the follower surface includes an arcuate segment having a constant radius centered on a second axis. The arcuate segment is sufficiently long such that the throttle valve is configured to move at least 15 degrees while the other of the cam surface and the follower surface engages the arcuate segment.06-11-2009
20090116972PRESSURE WASHER PUMP HOUSING STAND - An apparatus and method support a pressure washer pump housing with a stand directly connected to the pressure washer pump housing.05-07-2009
20090107087CYCLONIC AIR CLEANER ASSEMBLY - An apparatus and method is a fan to direct air through a screen to cool the engine. A cyclonic air cleaner assembly receives air from the blower fan and directs the air towards a carburetor.04-30-2009
20090085264ISOLATION MOUNT SYSTEM - An engine mount system for a lawn mower having a front, rear, and two sides. The engine mount system includes a mounting plate, an engine, first and second elastic members, and first and second brackets. The engine is mounted to the mounting plate and applies a torque force to the mounting plate during lawn mower operation. The first bracket is provided on the mounting plate and includes a first surface. The first surface is adjacent the first elastic member and partially faces the front, thereby placing the first elastic member into compression when the engine applies the torque force to the mounting plate. The second bracket is provided on the mounting plate and includes a second surface. The second surface is adjacent the second elastic member and partially faces the rear, thereby placing the second elastic member into compression at the same time as the first elastic member.04-02-2009
20090071752OIL REMOVAL SYSTEM AND METHOD - An apparatus for draining oil from an engine. The apparatus includes an engine having an engine housing, crankshaft, a piston, and an oil reservoir, an engine starting mechanism configured to engage the crankshaft and piston, a check valve configured to prevent pressure in a crankcase from escaping and configured to allow filtered air into the engine, and a selector valve configured to open a flow path between the check valve and a vent so oil can be drained.03-19-2009
20090057309FUEL TANK ASSEMBLY AND BAFFLE DEVICE - A baffle device, configured to be disposed near an outlet of a fuel tank, includes a fitting having an aperture therethrough and a first baffle. The first baffle includes a passageway in fluid communication with the aperture and a first baffle aperture configured to permit entry of fuel vapor into the passageway and exit of fuel vapor from the passageway. The baffle device also includes a second baffle overlying at least a portion of the first baffle aperture.03-05-2009
20090044777AUTOMATIC CHOKE FOR AN ENGINE - An engine starting assist system configured to be used on an internal combustion engine. The engine starting assist system includes a battery, a choke valve disposed in an air intake of an air/fuel-mixing device, the choke valve having an open position and a closed position, a rotary solenoid powered by the battery, the rotary solenoid having an output shaft, and a bimetal coil. The output shaft of the rotary solenoid is coaxial with the bimetal coil.02-19-2009
20080251055EVAPORATIVE EMISSIONS CONTROL SYSTEM - An evaporative emissions control system for an engine including a fuel tank having a fuel tank vapor space, a carburetor coupled to the fuel tank, and a fuel tank cap having fuel vapor adsorption media that adsorbs vapor from the fuel tank vapor space. The fuel tank cap is in fluid communication with the carburetor via the vapor space and is configured to permit fuel vapor stored in the fuel adsorption media to be purged into the carburetor via the vapor space.10-16-2008

Patent applications by BRIGGS & STRATTON CORPORATION