Fuel supply tank, fuel supply system and fuel injection apparatus for the system
AssigneeMikuni Corporation
InventorsToshio Karasawa, Shogo Hashimoto
Life of this patent
Estimating the term…
Abstract
A fuel supply tank, comprising a tank body 7 which stores fuel, a fuel filter 13 disposed in the tank body 7, a fuel supply passage 27 for supplying fuel in the tank body 7 to a fuel injection apparatus 3, a fuel return passage 29 for returning excess fuel and vapor from the fuel injection apparatus 3 into the tank body 7. The fuel supply passage 27 and the fuel return passage 29 are connected to the clean fuel room 23 which is defined by the fuel filter 13, and separation of fuel and vapor is performed in the clean fuel room 23.
Claims14
A fuel supply tank, comprising:
- a tank body which stores fuel;
- a fuel filter disposed in said tank body;
- a fuel supply passage for supplying fuel in said tank body to a fuel injection apparatus;
- a fuel return passage for returning excess fuel and vapor from said fuel injection apparatus into said tank body;
- a clean fuel room defined by said fuel filter;
- and
- a clean fuel room defined by said fuel filter, to which said fuel supply passage and said fuel return passage are connected, and in which separation of fuel and vapor is performed.
A fuel supply system, comprising:
- a tank body which stores fuel;
- a fuel filter disposed in said tank body;
- a fuel supply passage for supplying fuel in said tank body to a fuel injection apparatus;
- a fuel return passage for returning excess fuel and vapor from said fuel injection apparatus into said tank body;
- a clean fuel room defined by said fuel filter, to which said fuel supply passage and said fuel return passage are connected, and in which separation of fuel and vapor is performed;
- and
- said fuel injection apparatus to inject fuel to an internal combustion engine.
A fuel injection apparatus, comprising:
- a plunger being free to reciprocate to pressurize the fuel which flows into a pressurizing room from an inlet port for injecting fuel to an internal combustion engine, and
- a relief portion formed at the tip of said plunger to relieve a vapor eject hole which is connected to said pressurizing room.
Dependencies are inferred from the claim text.