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US 11,408,325 B2Granted
V-Twin engine assembly
AssigneeBriggs & Stratton Corporation
InventorsJacob Zuehl, Michael Pitcel
Life of this patent
Estimating the term…
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.
Claims19
A zero-turn mower comprising:
- a user seat;
- a first rear wheel and a second rear wheel;
- a mounting platform;
- and
- an internal combustion engine positioned on the mounting platform between the first rear wheel and the second rear wheel comprising:
- an engine block including a first cylinder and a second cylinder wherein the first cylinder and the second cylinder are arranged in a V-twin configuration including a space between the first cylinder and the second cylinder;
- a crankshaft configured to rotate about a crankshaft axis;
- a flywheel coupled to the crankshaft;
- a throttle body configured to throttle incoming air to the first cylinder and the second cylinder;
- an air filter assembly positioned proximate the flywheel and configured to filter incoming air from an air intake and provide cleaned air to the throttle body, wherein the air filter assembly comprises one or more filter elements each positioned within a receptacle and configured to provide two stages of filtration and
- a muffler positioned within the space between the first cylinder and the second cylinder, the muffler comprising an angled portion located between the first cylinder and the second cylinder.
8 more elements
Dependencies are inferred from the claim text.