Nozzle and ejector including the same

An ejector comprising:

• a chamber;
• a nozzle comprising:
• a first intake portion forming an opening configured to introduce a first fluid to the nozzle;
• and
• a nozzle body having a first end connected to the first intake portion and a second end, opposite to the first end, forming a spray hole configured to provide the first fluid to the chamber,
• wherein an area of the spray hole is configured to change based on a flow of the first fluid;
• a second intake portion forming an opening configured to provide a second fluid to the chamber;
• and
• a discharge nozzle, connected to the chamber, configured to discharge the first fluid and the second fluid from the chamber.

A nozzle comprising:

• a nozzle body having a first end configured to receive a fluid and a second end, opposite to the first end, forming a spray hole;
• wherein the nozzle body comprises:
• a first nozzle body wall;
• and
• a second nozzle body wall provided inside the first nozzle body wall;
• and
• wherein the second nozzle body wall comprises an elastic material configured to cause an area of the spray hole to change based on a flow rate of the received fluid.