Head unit and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorsHaruki Kobayashi, Taiki Hanagami
Life of this patent
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Abstract
A head unit includes: a circuit substrate, a casing including a cover for defining an accommodation space that accommodates the circuit substrate, and a flow passage member of which a part is disposed in the casing, including a flow passage coupling portion. The cover has an intake port for sucking air from an outside of the cover to the accommodation space and an exhaust port for exhausting the air passing through the accommodation space, and the flow passage coupling portion is disposed outside the casing and disposed closer to the intake port than to the exhaust port.
Claims15
A head unit configured to eject a liquid, comprising:
- a circuit substrate for driving the head unit;
- a casing including a cover for defining an accommodation space that accommodates the circuit substrate;
- and
- a flow passage member of which a part is disposed in the casing, including a flow passage coupling portion for coupling to a flow passage member outside the head unit, wherein
- the cover has an intake port for sucking air from an outside of the cover to the accommodation space and an exhaust port for exhausting the air passing through the accommodation space, and
- the flow passage coupling portion is disposed outside the casing and disposed closer to the intake port than to the exhaust port.
Dependencies are inferred from the claim text.