Caterpillar Inc.
Engine systems and methods
Last updated:
Abstract:
An engine system includes a first cylinder including a first piston, a second cylinder including a second piston, and a fuel injector fluidly connected to the first cylinder. The first cylinder is a combustion cylinder, and the second cylinder is an expansion cylinder. The second cylinder is fluidly connected to the first cylinder when the first piston is in at least one position in the first cylinder. The fuel injector is configured to deliver hydrogen gas to the first cylinder.
Status:
Grant
Type:
Utility
Filling date:
9 Jul 2021
Issue date:
16 Aug 2022