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US 2026/0218637 A1Published application
Hydrogen engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorToru SAKUMA
Life of this patent
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Abstract
A hydrogen engine includes a cylinder block, a crankcase connected to a lower part of the cylinder block, and a cylinder head connected to an upper part of the cylinder block. Connecting passages are arranged to connect a cavity of the crankcase and a cavity of the cylinder head. One of the connecting passages is narrower than another one of the connecting passages.
Claims5
A hydrogen engine, comprising:
- a cylinder block;
- a crankcase connected to a lower part of the cylinder block;
- a cylinder head connected to an upper part of the cylinder block;
- and
- connecting passages each connecting a cavity of the crankcase and a cavity of the cylinder head,
- wherein at least one of the connecting passages is narrower than at least another one of the connecting passages.
3 more elements
A hydrogen engine, comprising:
- a cylinder block;
- a crankcase connected to a lower part of the cylinder block;
- a cylinder head connected to an upper part of the cylinder block;
- and
- connecting passages each connecting a cavity of the crankcase and a cavity of the cylinder head, wherein
- at least one of the connecting passages has an opening connected to the cavity of the cylinder head and located upward from an oil surface in the cylinder head, and
- at least another one of the connecting passages has an opening connected to the cavity of the cylinder head and located downward from the oil surface in the cylinder head.
4 more elements
Dependencies are inferred from the claim text.