| 摘要 |
PURPOSE: A spurious fuel-alarm cap is provided to detect whether fuel injected into a fuel tank is a spurious fuel or not and immediately give alarm of the fuel spurious fuel to a driver. CONSTITUTION: A spurious fuel-alarm cap combined to a fuel injection port for supplying fuel to a fuel tank of a vehicle includes a cap body(10) forming a threaded portion(11) screwed to the fuel injection port; a sensor installed to the bottom of the cap body, to sense vapor produced from the fuel received in the fuel tank and to give a specific signal; a control unit selectively producing an alarm signal according to the specific signal of the sensor; an alarm producing unit(42) receiving the alarm signal and outputting an alarm sound and/or an alarm luminous light; and a power unit installed to the cap body, to supply power to the control unit. A switch(12) to be pushed by a hand is installed to the cap body, and power is applied to the control unit when the switch is pushed.
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