| 摘要 |
A fuel system in which excess fuel is recirculated from the charge forming apparatus. The apparatus comprises a regulator having a body with a fuel supply port connected to a fuel source, an outlet port for supplying fuel to a zone and a return port for receiving excess fuel from the outlet port and recirculating the excess fuel to the fuel supply. In addition, the apparatus may comprise temperature responsive means to vary the size of the return port to vary the quantity of excess fuel recirculated and thus the quantity of fuel supplied to the zone.
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