Tank and liquid consuming apparatus including the same

A tank for storing liquid to be supplied to a liquid consuming device, comprising:

• a casing;
• a liquid chamber including a first chamber and a second chamber which are configured to store the liquid;
• a communicating channel including a first communicating channel, a second communicating channel, and a third communicating channel;
• a liquid inlet port via which the liquid is poured into the first and second chambers;
• a first communicating port communicating the first chamber and a first end of the first communicating channel;
• a second communicating port communicating the first and second chambers;
• an atmosphere open port communicating the third communicating channel and an outside of the tank;
• a liquid outflow port via which the liquid stored in the first and second chambers is allowed to flow out of the first and second chambers and toward the liquid consuming device;
• and
• a gas-liquid separating membrane located in the third communicating channel and blocking flowing of the liquid in the third communicating channel,
• wherein a first end of the second communicating channel is communicated with the second chamber, and a second end of the second communicating channel is communicated with a second end of the first communicating channel, and
• a first end of the third communicating channel is communicated with the second end of the second communicating channel, and a second end of the third communicating channel is communicated with the atmosphere open port.