JP2009023365A5 - - Google Patents

Claims (1)

  A liquid container mounted on the liquid consuming device,
  A liquid storage chamber for storing a liquid;
  A liquid supply hole connected to the liquid consumption device;
  A liquid guide path for guiding the liquid stored in the liquid storage chamber to the liquid supply hole;
  An air communication path for introducing air into the liquid storage chamber from the outside through an air opening hole as the liquid in the liquid storage chamber is consumed;
  A liquid remaining amount sensor provided in the middle of the liquid guiding path and outputting a predetermined electric signal when the liquid stored in the liquid storage chamber is consumed up to a predetermined remaining amount;
  The liquid storage chamber is connected by the liquid guide path so that the flow of the liquid guided in the liquid guide path is from top to bottom in a state where the liquid storage container is mounted on the liquid consumption device. An upper liquid storage chamber and a lower liquid storage chamber,
  The atmosphere communication path is a narrow communication path part capable of holding a part of the liquid by a meniscus, and an upstream end which is one end of the narrow communication path part is provided below the bottom wall of the upper liquid storage chamber. The other end has a narrow communication passage portion connected to the upper liquid storage chamber above the bottom wall of the upper liquid storage chamber,
  A liquid storage container, wherein a predetermined amount of liquid is injected from a liquid inlet formed upstream from an upstream end of the narrow communication path portion, and then the inlet is sealed with a sealing member.