Back to results
US 7,584,725 B2Granted
Internal combustion engine
AssigneeHonda Motor Co., Ltd.
InventorKengo Ishimitsu
Life of this patent
Estimating the term…
Abstract
An internal combustion engine wherein a combustion chamber is formed by moveably fitting a bottomed tubular moveable sleeve on a stationary piston in which a valve mechanism is incorporated, and the moveable sleeve is connected to a crankshaft via a connecting rod.
Claims2
An internal combustion engine comprising:
- two rotatable crankshafts horizontally disposed in an engine case in vertically spaced relation to each other;
- two stationary pistons disposed between the two crankshafts and extending perpendicularly to a plane that passes over axial lines of the two crankshafts;
- moveable sleeves slidably attached to the respective stationary pistons;
- and
- combustion chambers surrounded by the stationary pistons and the moveable sleeves,
- wherein each of the stationary pistons has a piston ring disposed on a exterior surface thereof for sealing between the stationary piston and the respective moveable sleeve, and the two crankshafts and the two moveable sleeves are interconnected via respective connecting rods.
3 more elements
Dependencies are inferred from the claim text.