Flow path unit and liquid ejecting device
AssigneeSeiko Epson Corporation
InventorRyo Kawakami
Life of this patent
Estimating the term…
Abstract
In a flow path unit, ink flows toward a recording head that ejects the ink. The flow path unit includes a flow path portion, a temperature adjustment unit, and a compression coil spring. The flow path portion is formed of metal and includes a supply pipe through which the ink flows. The temperature control unit heats the supply pipe. The compression coil spring is formed of metal and is attached to an inner surface of the supply pipe. The ink can come into contact with the compression coil spring, and the compression coil spring enables the ink to flow downstream in the supply pipe.
Claims11
A flow path unit through which a liquid flows toward an ejecting unit configured to eject the liquid, the flow path unit comprising:
- a flow path portion formed of metal and including a flow path through which the liquid flow;
- a heating unit configured to heat the flow path portion;
- and
- an attachment portion formed of metal and attached to an inner surface of the flow path, wherein
- the attachment portion is configured to come into contact with the liquid and cause the liquid to flow downstream in the flow path, and
- an outer diameter of the attachment portion is greater than or equal to a diameter of the inner surface of the flow path in an unloaded state, in which the attachment portion is not loaded in the inner surface of the flow path.
A liquid ejecting device comprising:
- an ejecting unit configured to eject a liquid;
- a flow path portion formed of metal and including a flow path through which the liquid flows toward the ejecting unit;
- a heating unit configured to heat the flow path portion;
- and
- an attachment portion formed of metal and attached to an inner surface of the flow path, wherein
- the attachment portion is configured to come into contact with the liquid and cause the liquid to flow downstream in the flow path, and
- an outer diameter of the attachment portion is greater than or equal to a diameter of the inner surface of the flow path in an unloaded state, in which the attachment portion is not loaded in the inner surface of the flow path.
Dependencies are inferred from the claim text.