Patent · US Active

Engine systems and methods

US11415083B1 · kind B1 · utility

1Cited by
18References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2021
Grant dateAug 16, 2022
Priority date
Expiry dateJul 9, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2075/1808
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.