Spark ignition internal combustion engine
AssigneeJenbacher Aktiengesellschaft
InventorFriedrich Gruber
Life of this patent
Estimating the term…
Abstract
A spark ignition internal combustion engine (1), in particular an Otto-cycle gas engine, with at least one ignition device (14) per cylinder (2), wherein at least one piston (4) has a recess (8) in the piston head and wherein the recess (8) in plan view on to the piston head is of a substantially heart-shaped shape which differs at least in a region-wise manner from a circular shape, wherein the shape of the recess (8) in a plan view on to the piston head has precisely one axis of symmetry (10).
Claims14
A spark ignition internal combustion engine with at least one ignition device per cylinder, wherein at least one piston has a recess in the piston head, characterised in that the recess in plan view on to the piston head is of a substantially heart-shaped shape which differs at least in a region-wise manner from a circular shape, wherein the shape of the recess in a plan view on to the piston head has precisely one axis of symmetry.
Dependencies are inferred from the claim text.