| 摘要 |
A heated fuel injector includes a fuel inlet for receiving fuel, a fuel outlet for dispensing fuel from the heated fuel injector, and a heated body having an inside surface fore fluidly connecting the fuel inlet to the fuel outlet. The heated fuel injector also includes a hollow pintle shaft that is reciprocably movable within the heated body for selectively permitting and preventing the dispensing of fuel from the fuel outlet. A fuel passage is formed between the inside surface and the hollow pintle shaft such that fuel flows through the passage from the fuel inlet to the fuel outlet. The hollow pintle shaft defines a sealed chamber within the hollow pintle shaft which thereby increases the efficiency by which the heated body can heat the fuel flowing through the fuel passage.
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