Patent ID: 8157132

Claim:
A fuel and oil mixing device adapted to be secured to and used with a fuel container storing a quantity of a fuel and having an opening for dispensing the fuel, comprising: an oil reservoir for storing a quantity of an oil and defining an oil orifice for the oil to exit said oil reservoir, said oil reservoir adapted to be fit to the opening of the fuel container and defining a fuel orifice for the fuel to pass from the fuel container through said oil reservoir for dispensing; a mixer body secured to and in fluid communication with said oil reservoir for receiving the oil from said oil reservoir and the fuel passing through said oil reservoir; an oil metering valve housed in a cavity defined by said mixer body for controlling flow of the oil from said oil reservoir through said mixer body, said oil metering valve defining a plurality of longitudinal slots on an exterior surface thereof, each such slot controlling flow of the oil from said oil reservoir through said mixer body, and each such slot representing a predetermined fuel-oil ratio; and an adjustment knob operably connected to said oil metering valve, such that manipulation of the adjustment knob allows for a selection of a desired fuel-oil ratio, such that a mixture with the desired fuel-oil ratio can be dispensed from the device.