Fuel vapor storage and recovery apparatus
A technology of fuel vapor and recycling equipment, which is applied in the direction of mechanical equipment, fuel injection devices, and adding non-fuel substances to fuel, etc., can solve the problem of exhausting the fuel vapor capacity of ordinary carbon tanks, and achieve the effect of improving the desorption and removal rate
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[0034] figure 1 A fuel vapor storage and recovery facility is shown in . The drawings are schematic only and components are not drawn to scale.
[0035] The fuel vapor storage and recovery device 1 includes a steam inlet 3, a vent 4 and a desorption port 5, the vapor inlet 3 is connected to a fuel tank (not shown), the vent 4 is communicated with the atmosphere, and the desorption port 5 is connected to the motor The vehicle's internal combustion engine (also not shown) is connected. The canister 2 contains an adsorbent in the form of granular activated carbon.
[0036] The canister 2 is connected to the fuel tank of the motor vehicle through the vapor inlet 3 and to the atmosphere through the vent 4 during periods when the motor vehicle's engine is stopped.
[0037] As explained at the outset of this application, during a standstill of the vehicle, the fuel in the fuel tank evaporates into the air space above the maximum fill level of the fuel tank. The steam-laden air flow...
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