Patents Assigned to Briggs & Stratton Corporation
  • Publication number: 20200333402
    Abstract: 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: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventor: Numan Mohammad JAN
  • Publication number: 20200300206
    Abstract: An apparatus including an internal combustion engine, an electric motor configured to start the internal combustion engine, a brake mechanism, a release mechanism movable to a first position to release the brake mechanism, a switch actuated by the release mechanism, a pull rope, a sensor configured to output a signal based on the pull rope being actuated, and a control module coupled to the switch and the sensor. The switch is configured to provide a switch input to the control module when the release mechanism is in the first position. The sensor is configured to provide a sensor input to the control module when the pull rope is actuated. The control module activates the electric motor in response to the switch input and the sensor input.
    Type: Application
    Filed: October 17, 2018
    Publication date: September 24, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Jeffrey ZEILER, Robert KOENEN, Jason HANSEN
  • Publication number: 20200281117
    Abstract: A multi-configurable mower deck for use with a lawnmower, the mower deck including a top surface, a front leading edge, at least one side wall extending from the top surface, and at least one partial rear wall extending from the top surface. The mower deck includes both a side-discharge opening formed on one side of the mower deck and a rear-discharge opening formed through the at least one partial rear wall. Additionally, the mower deck may include a selectively removable secondary front baffle configured to block the flow of clippings through the side-discharge opening and direct the flow of clippings toward the rear-discharge opening. The mower deck may also include at least one selectively removable rear baffle, wherein the at least one selectively removable rear baffle is configured to at least partially block the rear-discharge opening.
    Type: Application
    Filed: September 7, 2018
    Publication date: September 10, 2020
    Applicant: Briggs & Stratton Corporation
    Inventor: Daniel Smeets
  • Publication number: 20200267883
    Abstract: A stand-on aerator including a chassis, a pair of first wheels coupled to the chassis, wherein the first wheels are operable as drive wheels, a pair of second wheels coupled to the chassis, and an operator platform extending from a rear portion of the chassis. The stand-on aerator also has an aerator assembly coupled to the chassis, wherein the aerator assembly includes a plurality of reciprocating tines capable of extending from and retracting into the aerator assembly.
    Type: Application
    Filed: February 21, 2020
    Publication date: August 27, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Kyle Harvey, Thomas Burkard, Peter Lucier, Stephen Longmeyer
  • Publication number: 20200267895
    Abstract: A zero turn radius mower including a pair of rear drive wheels, a mowing deck including multiple cutting blades, an electric storage battery, a pair of electric wheel motors each operable to rotate one of the rear drive wheels, multiple electric blade motors each operable to rotate one of the multiple cutting blades, and a master controller in communication with each of the pair of wheel motors and the multiple blade motors. The master controller is operable to control a rotational speed of each of the pair of wheel motors and the multiple blade motors. The master controller is operable to stop rotation of the cutting blades when the wheel motors are operating below a threshold speed.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Jeffrey Zeiler, Robert J. Koenen
  • Publication number: 20200256295
    Abstract: A fuel delivery injector includes a housing, an inlet port fluidly coupled to a cavity to direct fuel vapor and liquid fuel into the cavity, and an outlet port fluidly coupled to the cavity to direct fuel vapor and liquid fuel out of the cavity. A magnetic assembly is fixedly positioned within the cavity, and a pumping assembly includes a bobbin and a piston. A return spring is coupled to the pumping assembly to bias the pumping assembly to a home position. A valve is positioned within the piston and is movable between an open position and a closed position. The liquid fuel entering the housing through the inlet port flows from the inlet port to the cavity and fuel vapor entering the housing through the inlet port is directed through a conduit to the outlet port.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Applicant: Briggs & Stratton Corporation
    Inventors: Michael D. Pitcel, David W. Procknow, Jacob Zuehl, David A. Kratz
  • Publication number: 20200253118
    Abstract: An outdoor power equipment unit includes a front wheel independent suspension system. The front wheel independent suspension system includes a frame, a first front wheel assembly, a second front wheel assembly, a first laterally-extending suspension arm pair, and a second laterally-extending suspension arm pair. The first laterally-extending suspension arm pair includes a first suspension arm and a second suspension arm, both coupled to the frame and the first front wheel assembly. The second laterally-extending suspension arm pair includes a third suspension arm and a fourth suspension arm, both coupled to the frame and the second front wheel assembly. Both the first suspension arm pair and the second suspension arm pair are configured to independently pivot about the frame such that each of the first front wheel assembly and the second front wheel assembly are vertically displaceable relative to the frame.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicant: Briggs & Stratton Corporation
    Inventors: Christopher Krajewski, Robert S. Laurin, E. Mark Lynch
  • Publication number: 20200253360
    Abstract: A backpack system for use with a power tool, the system including a harness system configured to extend at least over a user's shoulders, and a carrier portion configured to be coupled to the harness system. At least one battery pack is housed within the carrier portion, and at least one electrical connector is coupled to the at least one battery pack, with the at least one battery pack being configured to provide power to the power tool. The carrier portion may further include at least one opening formed therein to allow the passage of air at least partially through the carrier portion. The power tool may be a string trimmer or a blower. Additionally, one or more carrier portions may be recharged in a recharging station which is configured to allow for hands-free connection of a carrier portion to a user's harness system.
    Type: Application
    Filed: October 12, 2018
    Publication date: August 13, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Ryan HAHN, Warren CORRADO, Kyle HARVEY, Matthew ZURAWSKI, Jacob SCHMALZ, Joseph GIACALONE
  • Patent number: 10724406
    Abstract: An engine assembly includes an air-cooled engine and an external oil reservoir. The engine includes a vertically-oriented crankshaft a crankcase cover having a front portion and a rear portion, wherein the front portion of the crankcase cover and the cylinder head are located forward of a vertical plane that includes the crankshaft axis, a return pump housing formed in the exterior of the crankcase cover, a return pump positioned in the return pump housing, and a return pump inlet formed through the crankcase cover, wherein the return pump inlet is located in the front portion of the crankcase cover and the return pump inlet is located closer to the camshaft than to the crankshaft. The external oil reservoir includes an oil tank and an oil filter assembly.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 28, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Adam J. Hellman, John Schneiker, Tim Kwiatkowski, Casey Groh, Robert Price, Ryan Sullivan, Gary Johnson
  • Patent number: 10724492
    Abstract: A snowthrower includes an internal combustion engine and a starter battery pack that provides electrical power to operate an electric starter motor. The starter battery pack is received within a receptacle of the snowthrower and is selectively coupled to the starter motor to initiate operation of the internal combustion engine. The starter battery pack can further include a battery heating circuit that is operable to heat the starter battery pack above ambient temperatures to increase the current output of the starter battery pack. The battery heating circuit includes a controller that utilizes electrical power from the starter battery pack to heat the starter battery pack.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: July 28, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Jeffrey Zeiler, Robert John Koenen, Dale Van Patten, Jason Andrew Hansen
  • Publication number: 20200232379
    Abstract: One embodiment of the invention relates to an internal combustion engine including an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft, a throttle body, an electric fan, and an air filter assembly configured to filter incoming air from an air intake and provide cleaned air to a throttle body. The engine block includes a cylinder. The throttle body is configured to throttle incoming air to the cylinder.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Applicant: Briggs & Stratton Corporation
    Inventors: Jacob Zuehl, Michael Pitcel
  • Patent number: 10711418
    Abstract: A snow thrower includes a body, a chute rotatable relative to the body about a vertical axis, wherein the chute is configured to discharge snow from the snowthrower, a chute motor for rotating the chute, and a chute position user interface. The chute motor is electrically controlled to rotate the chute in response to a first input duration to the chute position user interface and to rotate the chute in response to a second input duration to the chute position user interface. The chute motor ceases operation after the first input duration and the chute motor continues operation after the second input duration.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: July 14, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Brandon Palicki, James Radwill, Harold Redman, Daniel Steinike
  • Patent number: 10711755
    Abstract: A starting circuit for providing electric power to a starter motor of an internal combustion engine of outdoor power equipment is shown and described. The starting circuit includes a battery receptacle mounted on the outdoor power equipment and a starter battery that is received within the battery receptacle. The starter battery includes a battery controller and a series of battery cells contained within an outer housing. A plurality of high current pins provide electric power to the starter motor and auxiliary devices on the tractor/mower while a plurality of low current pins receives signals from the tractor/mower related to operation of the tractor/mower. A wireless transceiver is used to communicate information from the battery controller to a wireless device. The wireless device displays the received information to a user. The battery receptacle can be configured to include a dipstick receiver that receives an oil dipstick.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: July 14, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Kyle Michael Harvey, Bryan Keith Dandridge
  • Publication number: 20200214199
    Abstract: A dethatcher includes a frame having front and rear ends, a cover coupled to the frame and configured to selectively move between an open position and a closed position, a handle extending from the frame, multiple wheels coupled to the frame, a cutting reel housed in the frame, and an engine for powering a drive mechanism of the shaft. The cutting reel includes a shaft having a first end and a second end, at least one cutting mechanism located between the first end and the second end of the shaft, and the drive mechanism for powering the shaft. When the cover is in the open position, a user may access the cutting reel from a top end of the frame.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Kyle HARVEY, Ryan JASKOWIAK, Matthew S. ZURAWSKI
  • Publication number: 20200205339
    Abstract: A mower deck insert includes a first cutting chamber, a second cutting chamber, and a discharge passage extending adjacent to the first cutting chamber and the second cutting chamber. The first cutting chamber includes a first axial scroll extending about a first vertical axis. The first axial scroll includes a first upper surface having a first start region and a first end region. The second cutting chamber includes a second axial scroll extending about a second vertical axis. The second axial scroll includes a second upper surface having a second start region and a second end region. The first start region is vertically lower than the first end region, and the second start region is vertically lower than the second end region.
    Type: Application
    Filed: February 21, 2020
    Publication date: July 2, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Jeffrey M. Zeiler, Kenneth W. Derra, Scott A. Funke, David W. Procknow, Rodney J. Balzar
  • Publication number: 20200205338
    Abstract: A ride-on vehicle, such as a zero turn radius lawnmower, includes a main chassis having first and second pivot joints, a in 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. The ride-on vehicle may also include a modular mower deck assembly with a plurality of mower deck modules having a blade assembly, an electric blade motor configured to provide rotation to the blade assembly, and an attachment assembly configured to enable attachment between adjacent mower deck modules.
    Type: Application
    Filed: August 16, 2018
    Publication date: July 2, 2020
    Applicant: BRIGGS & STRATTON CORPORATION
    Inventors: Jeffrey Zeiler, Todd Johnson, Christopher Krajewski, Nicholas Zeidler, Jacob Schmalz, Bryan Keith Dandridge, Matthew Steven Zurawski, Ryan Hahn, Ryan Jaskowiak
  • Patent number: 10697417
    Abstract: A battery pack for use in providing starting power for a starter motor of an internal combustion engine and to supply power to one or more auxiliary loads. The battery pack includes an outer housing that encloses a plurality of battery cells. A control unit is positioned within the outer housing and is connected to at least a starter switching element and an auxiliary switching element. The control unit controls the position of both the starter switching element and the auxiliary switching element to selectively connect the battery cells to the starter motor and the auxiliary loads. The battery pack further includes an ignition input terminal that is connected to the ignition circuit of the internal combustion engine such that the control unit can monitor the operational status of the internal combustion engine. The control unit can selectively ground the ignition coil of the ignition circuit to enable and/or terminate operation of the internal combustion engine.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: June 30, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Robert J. Koenen, Jason A. Hansen, Andrew Paskov
  • Patent number: D891364
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: July 28, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Richard Gilpatrick, Ryan Thomas Hahn, Stephen James Ryczek, Steven John Weber
  • Patent number: D896843
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: September 22, 2020
    Assignee: Briggs & Stratton Corporation
    Inventor: Carl T. Tiefenthaler
  • Patent number: D896945
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 22, 2020
    Assignee: Briggs & Stratton Corporation
    Inventors: Steven G. Gleixner, Robert S. Johnson