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US 8,297,257 B2Granted
Fuel supply pipe device and fuel injection device having the same
AssigneeDenso Corporation
InventorsKouichi Sugiyama, Yoshinori Yamashita, Hideaki Ichihara, Hidekazu Oomura, Hideki Suzuki
Life of this patent
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Abstract
An internal combustion engine has multiple cylinders each provided with multiple injectors. A fuel supply pipe device includes multiple fuel passages, which receive fuel through multiple fuel paths and supply the fuel correspondingly to the multiple injectors. The multiple fuel passages are separated respectively from the multiple fuel passages.
Claims21
A fuel supply pipe device for an internal combustion engine, which has a plurality of cylinders each provided with a plurality of injectors, the fuel supply pipe device comprising:
- a plurality of fuel passages, which are configured to receive fuel through a plurality of fuel paths and supply the fuel correspondingly to the plurality of injectors,
- wherein the plurality of fuel passages are respectively separated from one another,
- the plurality of fuel passages includes a first fuel passage, which is defined in a first delivery pipe and configured to receive fuel through a first fuel path of the plurality of fuel paths and supply the fuel to at least one of the plurality of injectors,
- the plurality of fuel passages includes a second fuel passage, which is defined in a second delivery pipe and configured to receive fuel through a second fuel path of the plurality of fuel paths and supply the fuel to the other of the plurality of injectors, and
- the first delivery pipe and the second delivery pipe are configured to be combined such that all of the plurality of injectors are substantially linearly arranged on a single line.
2 more elements
Dependencies are inferred from the claim text.