TANK, TANK UNIT AND LIQUID EJECTION SYSTEM

摘要

To solve the problem of a liquid supply unit of the related art in that liquid supply may become difficult.;The invention provides a tank capable of supplying a liquid to a liquid ejection head, the tank including: a liquid containing portion capable of containing the liquid; and an atmospheric air introducing portion constituting an atmospheric air flow channel capable of introducing atmospheric air into the liquid containing portion, wherein the atmospheric air introducing portion includes a buffer chamber capable of containing the atmospheric air, a liquid retaining member is housed in the buffer chamber, and in a state in which the liquid retaining member is housed in the buffer chamber, a gap that allows the atmospheric air to move between a first communication port and a second communication port of the atmospheric air flow channel is provided within the buffer chamber.

主权项

1. A tank capable of supplying a liquid to a liquid ejection head, the tank comprising:
a liquid containing portion capable of containing the liquid; and an atmospheric air introducing portion constituting an atmospheric air flow channel capable of introducing atmospheric air into the liquid containing portion, wherein the atmospheric air introducing portion includes a buffer chamber capable of containing the atmospheric air, the buffer chamber is provided with a first communication port located at a position on the liquid containing portion side in the atmospheric air flow channel and a second communication port located at a position on a side opposite to the liquid containing portion in the atmospheric air flow channel, a liquid retaining member is housed in the buffer chamber, and in a state in which the liquid retaining member is housed in the buffer chamber, a gap that allows the atmospheric air to move between the first communication port and the second communication port is provided within the buffer chamber.