Patent ID: 11878579
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A vehicle underbody structure comprising:
a case that is provided on a vehicle lower side of a vehicle and has a mount portion on which batteries are mounted;
a refrigerant flow passage that is provided on the vehicle lower side of the case and in which heat exchange can take place between the batteries on the mount portion and a refrigerant; and
inflow/outflow portions that communicate with the refrigerant flow passage from a vehicle upper side and allow the refrigerant to flow in or flow out between an outside of the refrigerant flow passage and the refrigerant flow passage, wherein:
the refrigerant flow passage is equipped with extension portions that extend to the inflow/outflow portions,
the refrigerant flow passage and the extension portions are open on their vehicle upper sides,
an opening on the vehicle upper side of the refrigerant flow passage is closed by the mount portion, and
openings on the vehicle upper sides of the extension portions are closed by a plate portion.