Method and system for supplying fuel gas
AssigneeCaterpillar Inc.
InventorMatthew T. WOLK
Life of this patent
Estimating the term…
Abstract
A system for introducing a gaseous fuel to an internal combustion engine includes a fuel storage device, a compressor, and an air and fuel conduit in fluid communication with the fuel storage device and with the compressor. The air and fuel conduit includes a first passage and a second passage that includes a first portion and a second portion, the second portion being a venturi portion, the second passage being fluidly connected to the compressor in parallel with the first passage.
Claims20
A system for introducing a gaseous fuel to an internal combustion engine, the system comprising:
- a fuel storage device;
- a compressor;
- and
- an air and fuel conduit in fluid communication with the fuel storage device and with the compressor, the air and fuel conduit including:
- a first passage;
- and
- a second passage that includes a first portion and a second portion, the second portion being a venturi portion, the second passage being fluidly connected to the compressor in parallel with the first passage.
A fuel system, comprising:
- a fuel storage device;
- a first passage including:
- a first air inlet configured to receive intake air;
- a first fuel inlet in fluid communication with the fuel storage device and configured to receive gaseous fuel downstream of the first air inlet;
- and
- a valve configured to open and close the first passage;
- and
- a second passage connected in parallel with the first passage, the second passage including:
- a second air inlet configured to receive intake air;
- and
- a second fuel inlet configured to receive gaseous fuel downstream of the second air inlet.
A method for supplying fuel and air to an internal combustion engine, the method comprising:
- controlling a flow of intake air and fuel through a first passage of an air and fuel conduit;
- receiving intake air and fuel with a second passage of the air and fuel conduit, the second passage being connected in parallel with the first passage;
- opening in the first passage to permit a flow of the intake air and fuel;
- and
- supplying the intake air and fuel from the first passage and from the second passage to the internal combustion engine.
Dependencies are inferred from the claim text.