Fuel system and vehicle

A fuel system and fuel technology, applied in the direction of fuel cells, fuel cell additives, transportation fuel cell technology, etc., can solve problems such as leakage, time-consuming, large amounts of inert gas, etc., to improve assembly, reduce operating hours, and realize common use The effect of miniaturization and

Active Publication Date: 2012-05-23
TOYOTA JIDOSHA KK
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, leak detection requires a large amount of inert gas and takes time

Method used

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  • Fuel system and vehicle
  • Fuel system and vehicle
  • Fuel system and vehicle

Examples

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Embodiment approach

[0063] Next, refer to Figure 8 and Figure 9 , an integrated manifold according to another embodiment will be described focusing on differences from the above-described embodiment. The main difference is that the leak detection port 65 and the leak detection passage 83 are formed at positions different from those of the valve 72 . Also, in the description below and Figure 8 , Figure 9 in, for with figure 2 Components that are the same as those in the above-mentioned embodiments represented by the above-mentioned symbols are assigned the same symbols, and description thereof will be omitted.

[0064] The leak detection port 65 is provided on the upper half of the manifold main body 71 in the drawing, and is positioned on the same plane as the supply side connection ports 62a, 62b and is located from Figure 8 and Figure 9 The extended side of the paper faces upwards (the front side of the hand). A leak detection passage 83 is formed on the leak detection port 65 and...

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Abstract

Provided are a fuel system and a vehicle which can improve the leak check workability. The fuel system includes a plurality of fuel reservoir sources, a charge pipe which connects the respective fuel reservoir sources in parallel to a charge opening, and a supply pipe which connects the fuel reservoir sources in parallel to a fuel supply destination. A charge manifold unit arranged at a branch point of pipes of the charge pipe is integrated with a supply manifold unit arranged at the branch point of the supply pipe so as to constitute an integral manifold. The integral manifold has a leak check port formed so as to introduce a leak check fluid into the charge pipe and the supply pipe.

Description

technical field [0001] The present invention relates to a fuel system including a plurality of fuel storage sources, a filling pipe connecting each fuel storage source in parallel to a filling port, and a supply pipe connecting each fuel storage source in parallel to a fuel supply destination. In addition, the present invention relates to a vehicle equipped with such a fuel system. Background technique [0002] As such a fuel system, there is known a fuel cell system in which four hydrogen tanks are connected in parallel to a fuel cell via a filling pipe and a supply pipe, respectively, through a filling port (see Patent Document 1). The filling port and each hydrogen tank are connected by filling piping branched from one system into four systems on the way. In addition, the fuel cell and each hydrogen tank are connected by supply pipes that merge the four systems into one system on the way. [0003] It is an essential process for a fuel cell system to check whether there ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K15/03F16K27/00F16L41/00F17C5/06F17C7/00F17C13/04H01M8/00H01M8/04
CPCY02E60/321H01M2250/20H01M8/04686H01M8/04089F17C2205/0338F17C2205/0382F17C2201/056Y02E60/50F17C2223/0176F17C2270/0105F17C2270/0184F17C2205/0394F17C2270/0189F17C2205/0142F17C2270/0168F17C2205/0367Y02T90/32H01M8/04664F17C2201/0109F17C2205/0329F17C2260/038F17C2209/228F17C2223/036F17C2270/05F17C2221/012F17C2223/0123F17C2205/0326H01M8/04201Y02E60/32Y02T90/40
Inventor 内村治弘坪川刚久
Owner TOYOTA JIDOSHA KK
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