Patents Assigned to Briggs & Stratton
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Publication number: 20230343154Abstract: An ignition coil includes an ignition circuit having a first winding and a second winding, a controller in communication with the ignition circuit, and a light. The ignition circuit is configured to output an ignition timing signal. The controller is configured to establish a rule that limits an engine speed to a maximum engine speed to be provided by the ignition timing signal. The light is configured to illuminate and indicate the maximum engine speed in response to an output signal from the controller.Type: ApplicationFiled: April 17, 2023Publication date: October 26, 2023Applicant: Briggs & Stratton, LLCInventors: Kyle Clasen, Daniel Roche
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Publication number: 20230332557Abstract: A method of operating a fan for an air-cooled internal combustion engine includes starting the air-cooled internal combustion engine, operating the fan in a first operating mode in which the fan rotates in a first direction, and operating the fan in a second operating mode in which the fan rotates in a second direction.Type: ApplicationFiled: June 16, 2023Publication date: October 19, 2023Applicant: Briggs & Stratton, LLCInventors: Ryan A. Sullivan, Gary S. Johnson
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Publication number: 20230320264Abstract: A service vehicle for storing and transporting outdoor power equipment includes a loading/unloading ramp, a charging bay configured to charge a rechargeable battery pack mounted on a first piece of outdoor power equipment, a spare battery charging station configured to store and selectively charge a spare rechargeable battery pack, a user interface having a display, and a controller in communication with the user interface and having a processing circuit with a charging module. The controller is configured to receive a charge level of the rechargeable battery pack and the spare rechargeable battery pack from the charging module and instruct the user interface to display the charge levels.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: Briggs & Stratton, LLCInventors: Jeffrey M. Zeiler, Ryan T. Hahn, Kyle Harvey, Todd Johnson, Robert Pjevach, Jacob Schmalz, Peter D. Shears, Nicholas Zeidler
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Publication number: 20230327224Abstract: A battery pack includes a housing and a plurality of cell module assemblies arranged within the housing. Each of the cell module assemblies includes a positive collector plate, a negative collector plate, and a plurality of battery cells. Each of the plurality of battery cells includes a positive terminal connected to the positive collector plate and a negative terminal connected to the negative collector plate. A number of the plurality of the cell module assemblies within the housing defines a capacity of the battery pack.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: BRIGGS & STRATTON, LLCInventors: Jeffrey Zeiler, Jacob Schmalz, Nick Zeidler
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Publication number: 20230313719Abstract: A small-air cooled internal combustion engine includes an engine block including a cylinder, a piston within the cylinder, a crankshaft configured to be driven by the piston, a blower system including a fan that is configured to pull air over the engine block, a fuel system for supplying an air-fuel mixture to the cylinder, and an exhaust system for removing exhaust from the cylinder. The exhaust system comprises an exhaust inlet, a muffler and, a catalytic converter including a catalyst. The catalyst comprises a precious metal loading having ruthenium as a primary element by mass.Type: ApplicationFiled: May 21, 2021Publication date: October 5, 2023Applicant: BRIGGS & STRATTON, LLCInventors: Jacob Zuehl, Michael D. Pitcel
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Publication number: 20230314042Abstract: A portable heater includes a housing having an air inlet and an air outlet, one or more burners housing within the housing and configured to heat air passing through the housing from the air inlet to the air outlet, and a duct positioned in a storage compartment of the housing. The duct includes a first end coupled to the storage compartment and a second end extendable from the housing when a door of the storage compartment is in an open position.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Applicant: Briggs & Stratton, LLCInventors: Ryan Hahn, Paul Sabatka, Cole Booth
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Publication number: 20230301231Abstract: An outdoor power equipment device, such as a lawn mower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Applicant: BRIGGS & STRATTON, LLCInventors: Jeffrey Zeiler, Todd Johnson, Christopher Krajewski, Nicholas Zeidler, Jacob Schmalz, Bryan Keith Dandridge, Ryan Jaskowiak, Matthew Steven Zurawski, Ryan Hahn
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Patent number: 11767786Abstract: One embodiment of the invention relates to an internal combustion engine including an engine block having a first cylinder and a second cylinder, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft, a throttle body, an air filter assembly, a first electric fan coupled to a first duct, and a second electric fan coupled to a second duct. The first duct is configured to direct cooling air directly over the first cylinder. The second duct is configured to direct cooling air directly over the second cylinder. The first cylinder is at least partially within the first duct. The second cylinder is at least partially within the second duct.Type: GrantFiled: July 18, 2022Date of Patent: September 26, 2023Assignee: Briggs & Stratton, LLCInventors: Jacob Zuehl, Michael Pitcel
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Patent number: 11761402Abstract: An internal combustion engine includes an engine block, a piston, a cylinder head, and a valve train. The engine block includes a cylinder block including a cylinder bore and a crankcase defining a crankcase chamber with a crankshaft positioned within the crankcase chamber. The piston is coupled to the crankshaft and configured to reciprocate within the cylinder bore. The cylinder head is coupled to the cylinder block. The valve train includes a camshaft, a first and second pushrod, a first and second rocker arm, an exhaust valve housed, and an intake valve. The first rocker arm, the second rocker arm, the exhaust valve, and the intake valve each include at least a layer of a low friction material. The first and second pushrod each pass through a pushrod seal to prevent fluid from reaching the rocker chamber to fluidly isolate the rocker chamber from the crankcase chamber.Type: GrantFiled: March 1, 2021Date of Patent: September 19, 2023Assignee: Briggs & Stratton, LLCInventors: Jacob Zuehl, Richard Sebzda, Vernon Moss
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Publication number: 20230270037Abstract: A stand-on aerator includes a chassis, an operator platform extending from a rear portion of the chassis, an aerator assembly coupled to the chassis and having a plurality of reciprocating tines configured to extend from and retract into the aerator assembly, and an object detection sensor. At least a portion of the plurality of reciprocating tines are configured to retract in response to the object detection sensor detecting an object in a path of the aerator assembly.Type: ApplicationFiled: May 9, 2023Publication date: August 31, 2023Applicant: Briggs & Stratton, LLCInventors: Kyle Harvey, Thomas Burkard, Peter Lucier, Stephen Longmeyer
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Patent number: 11716916Abstract: A turf aerator includes a retracting tine assembly and an input mechanism. The tine assembly includes a plurality of tines, a pair of swing arms, and a linkage for selectively moving the pair of swing arms and the plurality of tines from the operating position to the retracted position. The pair of swing arms support the plurality of tines and are configured to rotate the plurality of tines between an operating position to a retracted position. The input is coupled to the linkage and the input is operable to active the linkage to move the pair of swing arms and the plurality of tines from the operating position to the retracted position.Type: GrantFiled: November 17, 2021Date of Patent: August 8, 2023Assignee: Briggs & Stratton, LLCInventors: Brandon King, William Coates
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Patent number: 11712649Abstract: An internal combustion engine includes an engine block, an air-fuel mixing device, and an air filter assembly. The air filter assembly includes a housing, a filter element, and a gap between the filter element and the housing. The housing includes a base and a cover which define an interior volume. The housing includes an outlet passage fluidly coupling a filtered air outlet to a final air outlet. The filter element divides the interior volume into a filtered volume and an unfiltered volume. The gap is configured to direct air in a first airflow pass before being filtered by the filter element. The filter element is configured to direct filtered air in a second airflow pass in a substantially opposite direction from the first airflow pass. The outlet passage is configured to direct filtered air into a third airflow pass in a substantially same direction as the first airflow pass.Type: GrantFiled: February 25, 2022Date of Patent: August 1, 2023Assignee: Briggs & Stratton, LLCInventors: Steven G. Gleixner, Robert Johnson
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Patent number: 11712001Abstract: A lawn mower includes a chassis, a cutting deck, a chore motor, and a blade. The chassis supports several wheels. The cutting deck is supported by the chassis and defines a cutting chamber. The chore motor is electrically coupled to the battery. The chore motor includes a housing containing a coil assembly, a rotor, and a drive shaft extending out of the housing. The chore motor is attached to the cutting deck so that at least a portion of the housing and the drive shaft are positioned within the cutting chamber. The blade is coupled to the drive shaft and is configured to rotate within the cutting chamber when the chore motor rotates the rotor and drive shaft.Type: GrantFiled: October 9, 2020Date of Patent: August 1, 2023Assignee: Briggs & Stratton, LLCInventors: Jeffrey M. Zeiler, Scott A. Funke, Mark Noller, Nick Joseph Zeidler, Christopher Krajewski, Joshua Kowalski
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Publication number: 20230234432Abstract: A riding lawn mower comprising, a pair of rear drive wheels, a pair of front wheels, a deck positioned between the pair of front wheels and the pair of rear drive wheels, a rotatable cutting blade, and multiple battery packs removably coupled to the riding lawn mower and structured to provide power to the riding lawn mower, each battery pack graspable and removable by a user, wherein the multiple battery packs sequentially provide power to the riding lawn mower.Type: ApplicationFiled: March 30, 2023Publication date: July 27, 2023Applicant: Briggs & Stratton, LLCInventors: Jeffrey Zeiler, Robert John Koenen, Jacob Schmalz, Albert Liu, Nick Zeidler, Scott Funke, David Procknow
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Patent number: 11710981Abstract: A transportation vehicle including a plurality of battery packs, a plurality of power equipment, and a controller. The controller is configured to identify at least one of the plurality of power equipment or at least one of the plurality of battery packs that requires charging and direct power through a bus to distribute power to at least one of the plurality of power equipment or at least one of the plurality of battery packs. The plurality of battery packs are configured to recharge the plurality of power equipment.Type: GrantFiled: June 23, 2021Date of Patent: July 25, 2023Assignee: Briggs & Stratton, LLCInventors: Robert J. Koenen, Scott A. Funke, Todd Johnson, Mark Noller, Nicholas Joseph Ziedler, Jacob Zuehl
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Patent number: 11709000Abstract: A portable industrial heater including a housing having an air inlet and an air outlet, one or more burners housed within the housing and configured to heat air passing through the housing from the air inlet to the air outlet, and a generator selectively providing power to the one or more burners. The air inlet and the air outlet are positioned on a same side of the housing.Type: GrantFiled: March 5, 2020Date of Patent: July 25, 2023Assignee: Briggs & Stratton, LLCInventors: Ryan Hahn, Paul Sabatka, Cole Booth
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Patent number: 11708947Abstract: One embodiment of the invention relates to a light tower. The light tower includes a base, an extendible mast coupled to the base, a light assembly coupled to the extendible mast and electrically coupled to the battery pack, and an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. The extendible mast is configured to move between a lowered position and a raised position.Type: GrantFiled: January 12, 2022Date of Patent: July 25, 2023Assignee: Briggs & Stratton, LLCInventors: Kyle Harvey, Nicholas Zeidler
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Publication number: 20230228228Abstract: A method for recalibrating an engine includes querying an engine for a unique engine identifier, sending the unique engine identifier to a cloud-based server, determining one or more engine calibration settings available to the engine based on the unique engine identifier sent to the cloud-based server, presenting the one or more engine calibration settings to a user through a user interface so that the user may select a desired engine calibration setting, sending the desired engine calibration setting as selected by the user to an electronic control unit of the engine, and replacing a current engine calibration with the desired engine calibration setting in the electronic control unit of the engine.Type: ApplicationFiled: January 17, 2023Publication date: July 20, 2023Applicant: Briggs & Stratton, LLCInventors: Michael Paul Braun, Brian Todd Brunelli, Darren E. Cavness, Mario Divis, Brett William Jury, Mark Noller, John A. Piechowski
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Patent number: 11705779Abstract: A standby generator includes a standby housing defining a cavity and an internal combustion engine. The engine includes an engine block including a cylinder comprising a piston, an engine housing at least partially covering the engine block, and a crankshaft configured to rotate about a vertical crankshaft axis in response to movement by the piston. The standby generator also includes an alternator configured to generate alternating current electrical power, a controller comprising a rectifier configured to convert the alternating current to a direct current and an inverter configured to convert the direct current to a clean alternating current electrical power, and a transfer switch configured to receive the clean alternating current electrical power from the controller and at least one of grid, solar, or battery power, and configured to supply power to an electrical load. The internal combustion engine, the alternator, and the controller are positioned within the cavity.Type: GrantFiled: April 12, 2022Date of Patent: July 18, 2023Assignee: Briggs & Stratton, LLCInventors: Svetlana Byaliy, Joshua Thurnbauer Cirillo, Philip Helwig, Sie Teong Lim, Mark Thomas Molinski, Kenny Jalmas Stair, Robert Townsend, Jeffrey H. Whitmore
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Publication number: 20230221371Abstract: A power unit operable to power equipment, the power unit including an electric motor, multiple removable and rechargeable battery packs, multiple switching elements, and a control unit. Each of the switching elements is connected between one of the battery packs and the electric motor and operate in one of an open position or a closed position. The control unit is operable to manage the position of the switching elements. The control unit is configured to determine whether one or more battery packs are supplying power for the electric motor, measure a voltage of each of the battery packs, determine whether each of the voltage measurements is within a predetermined value to each other, calculate a pulse width modulated (PWM) signal for each of the switching elements, assign each PWM signal to one of the switching elements, and apply each of the PWM signals to the assigned switching element.Type: ApplicationFiled: December 30, 2022Publication date: July 13, 2023Applicant: BRIGGS & STRATTON, LLCInventor: Numan Mohammad JAN