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US 11,456,478 B2Granted
Fuel cell system with auxiliary device case
AssigneeHonda Motor Co., Ltd.
InventorRyoichi Yoshitomi
Life of this patent
Estimating the term…
Abstract
A fuel cell system includes a stack case storing a fuel cell stack, and an auxiliary device case containing a fuel gas system device and an oxygen-containing gas system device. The auxiliary device case covers the fuel gas system device in a manner to protect the fuel gas system device against the external load, and includes a first case member provided with a mount fixed to a vehicle body frame, and a second case member made of material having specific gravity smaller than that of the first case member, and covers at least the oxygen-containing gas system device.
Claims13
A fuel cell system comprising:
- a fuel cell stack;
- a stack case configured to store the fuel cell stack;
- a fuel gas system device and an oxygen-containing gas system device as fuel cell auxiliary devices;
- and
- an auxiliary device case fixed to the stack case and configured to store the fuel gas system device and the oxygen-containing gas system device, and having a ventilating function,
- wherein the auxiliary device case comprises:
- a first case member configured to cover the fuel gas system device in a manner to protect the fuel gas system device against an external load, and provided with a mount fixed to a vehicle body frame;
- and
- a second case member made of material having specific gravity smaller than that of the first case member, and configured to cover at least the oxygen-containing gas system device, and
- wherein the first case member includes a projection provided with the mount, and the projection penetrates through the second case member.
7 more elements
A fuel cell system comprising:
- a fuel cell stack;
- a stack case configured to store the fuel cell stack;
- a fuel gas system device and an oxygen-containing gas system device as fuel cell auxiliary devices;
- and
- an auxiliary device case fixed to the stack case and configured to store the fuel gas system device and the oxygen-containing gas system device, and having a ventilating function,
- wherein the auxiliary device case comprises:
- a first case member configured to cover the fuel gas system device in a manner to protect the fuel gas system device against an external load, and provided with a mount fixed to a vehicle body frame;
- and
- a second case member made of material having specific gravity smaller than that of the first case member, and configured to cover at least the oxygen-containing gas system device,
- wherein the first case member is fixed to the stack case, and has a box shape configured to store the fuel gas system device;
- and
- the second case member is fixed to the first case member in a manner to cover the oxygen-containing gas system device,
- wherein the auxiliary device case is disposed adjacent to the stack case;
- the fuel gas system device is disposed between the fuel cell stack and the oxygen-containing gas system device;
- the first case member includes a cover body disposed between the oxygen-containing gas system device and the fuel gas system device, and a projection configured to protrude from the cover body opposite from the stack case;
- and
- the mount is provided at a protruding end of the projection, and
- wherein part of the projection is partially disposed in the second cover member.
15 more elements
A fuel cell system comprising:
- a fuel cell stack;
- a stack case configured to store the fuel cell stack;
- a fuel gas system device and an oxygen-containing gas system device as fuel cell auxiliary devices;
- and
- an auxiliary device case fixed to the stack case and configured to store the fuel gas system device and the oxygen-containing gas system device, and having a ventilating function,
- wherein the auxiliary device case comprises:
- a first case member configured to cover the fuel gas system device in a manner to protect the fuel gas system device against an external load, and provided with a mount fixed to a vehicle body frame;
- and
- a second case member made of material having specific gravity smaller than that of the first case member, and configured to cover at least the oxygen-containing gas system device,
- wherein the first case member includes a projection provided with the mount;
- the second case member includes an insertion hole into which the projection is inserted, and
- an air-tight seal is formed between the projection and a cylindrical wall forming the insertion hole.
9 more elements
Dependencies are inferred from the claim text.