Patent ID: 11913603
Assignee: HYUNDAI MOTOR COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 17:
18. A pressure vessel comprising:
a plurality of barrel parts, each disposed in a respective predefined square area of a plurality of square areas and having a diameter corresponding to a length of one side of the square area;
wherein, for each barrel part of the plurality of barrel parts, the pressure vessel further comprises:
a first nozzle member disposed at one end of the barrel part;
a second nozzle member disposed at an opposite end of the barrel part; and
clamp rings disposed in the square area, positioned outside the barrel part,

and configured to lock the first and second nozzle members to the barrel part:
wherein at least one of the first or second nozzle members comprises:
a nozzle body; and
a nozzle cover configured to be movable in a longitudinal direction of the barrel part relative to the nozzle body,
wherein the clamp rings are supported on the nozzle cover, and

wherein a gap is defined between the nozzle body and the nozzle cover in the longitudinal direction of the barrel part, the gap is selectively adjusted based on the movement of the nozzle cover relative to the nozzle body, and
wherein the pressure vessel additionally comprises:
a guide protrusion provided on any one of the adjacent second nozzle members; and
a guide groove provided in an other of the adjacent second nozzle members and configured to accommodate the guide protrusion so that the guide protrusion is slidable in a longitudinal direction of the barrel part.