| 摘要 |
<p>An air/fuel premixer (10) comprising a peripheral wall (12) defining a mixing chamber (14), a nozzle (20) disposed at least partially within the peripheral wall (12) comprising an outer annular wall (22) spaced from the peripheral wall (12) so as to define an outer air passage (23) between the peripheral wall (12) and the outer annular wall (22), an inner annular wall (24) disposed at least partially within and spaced from the outer annular wall (22), so as to define an inner air passage (25), and at least one fuel gas annulus (26) between the outer annular wall (22) and the inner annular wall (24), the at least one fuel gas annulus (26) defining at least one fuel gas passage (27), at least one air inlet for introducing air through the inner air passage (25) and the outer air passage (23) to the mixing chamber (14), and at least one fuel inlet for injecting fuel through the fuel gas passage (27) to the mixing chamber (14) to form an air/fuel mixture.
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