Hydrogen tank

A hydrogen tank comprising:

• a tank body;
• a boss connected to at least one end of the tank body and having a skirt extending radially with respect to an axial direction of the tank body;
• and
• a nozzle installed inside the tank body via the boss and configured to spray hydrogen gas at a predetermined angle with respect to the axial direction of the tank body,
• wherein the nozzle includes:
• a connector coupled to the boss;
• an extension portion extending from the connector parallel to the axial direction of the tank body;
• and
• a changing member provided at an end portion of the extension portion,
• wherein the extension portion has an orifice formed therein,
• wherein the changing member includes:
• a rod formed to be inserted into the orifice;
• and
• a diffuser plate fixedly coupled to an end portion of the rod, and
• wherein the rod includes a plurality of support protrusions spaced apart at equal intervals in a circumferential direction of the rod on the external surface of the rod and extending in a length direction of the rod.

A hydrogen tank comprising:

• a tank body;
• a boss connected to at least one end of the tank body and having a skirt extending radially with respect to an axial direction of the tank body;
• and
• a nozzle installed inside the tank body via the boss and configured to spray hydrogen gas at a predetermined angle with respect to the axial direction of the tank body,
• wherein the nozzle includes:
• a connector coupled to the boss;
• an extension portion extending from the connector parallel to the axial direction of the tank body;
• and
• a changing member provided at an end portion of the extension portion,
• wherein the extension portion has an orifice formed therein,
• wherein the changing member includes:
• a rod formed to be inserted into the orifice;
• and
• a diffuser plate fixedly coupled to an end portion of the rod, and
• wherein the diffuser plate is coupled to extend at a right angle with respect to a length direction of the rod, and the diffuser plate has an area larger than a cross-sectional area of the orifice.