Fuel supply device for internal combustion engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYukio Koseki, Keiso Takeda
Life of this patent
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Abstract
A fuel supply device for an internal combustion engine having at least one cylinder that is formed in a cylinder block, a fuel injection valve and a fuel passage that supplies fuel to the fuel injection valve, includes a portion of the fuel passage that is formed as a delivery pipe that is embedded in a cylinder head and is joined to an upper portion of the cylinder block. The fuel injection valve is positioned so that it intersects the delivery pipe and receives the supply of fuel from the side at a portion that intersects with the delivery pipe, and a sealing member is positioned at the joint portion between the delivery pipe and the fuel injection valve.
Claims16
A fuel supply device for an internal combustion engine having at least one cylinder that is formed in a cylinder block and a cylinder head that is joined to an upper portion of the cylinder block, the fuel supply device comprising:
- a fuel injection valve that injects fuel into one of the at least one cylinder and an intake passage that communicates to the cylinder;
- a delivery pipe that is embedded in the cylinder head, wherein the delivery pipe intersects the fuel injection valve and supplies fuel to the fuel injection valve through the side of the fuel injection and is composed of a member that is different from the cylinder head;
- and
- a sealing member that is provided in at least one joint portion between the delivery pipe and the fuel injection valve.
Dependencies are inferred from the claim text.