Liquid ejecting head and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorMotoki Takabe
Life of this patent
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Abstract
A liquid ejecting head includes a plurality of individual flow passages and a first common flow passage. The plurality of individual flow passages is provided correspondingly to a plurality of nozzles from which a liquid is ejected. The first common flow passage is in shared communication with the plurality of individual flow passages and supplies a liquid to the plurality of individual flow passages. A filter is provided in the first common flow passage. The filter is comprised of a plurality of protruding portions protruding from a first wall surface among a plurality of wall surfaces of the first common flow passage. The plurality of protruding portions is not in contact with any of the plurality of wall surfaces of the first common flow passage, except for the first wall surface.
Claims17
A liquid ejecting head, comprising:
- a plurality of individual flow passages provided correspondingly to a plurality of nozzles from which a liquid is ejected;
- and
- a first common flow passage that is in shared communication with the plurality of individual flow passages and supplies a liquid to the plurality of individual flow passages;
- a second common flow passage that is in shared communication with the plurality of individual flow passages and collects a liquid from the plurality of individual flow passages, wherein
- a filter comprised of a plurality of protruding portions protruding from a first wall surface among a plurality of wall surfaces of the first common flow passage is provided in the first common flow passage, and
- the plurality of protruding portions is not in contact with any of the plurality of wall surfaces of the first common flow passage, except for the first wall surface.
A liquid ejecting head, comprising:
- a plurality of individual flow passages provided correspondingly to a plurality of nozzles from which a liquid is ejected;
- a first common flow passage that is in shared communication with the plurality of individual flow passages and supplies a liquid to the plurality of individual flow passages;
- and
- a second common flow passage that is in shared communication with the plurality of individual flow passages and collects a liquid from the plurality of individual flow passages, wherein
- a filter comprised of a plurality of protruding portions protruding from a first wall surface among a plurality of wall surfaces of the second common flow passage is provided in the second common flow passage, and
- the plurality of protruding portions is not in contact with any of the plurality of wall surfaces of the second common flow passage, except for the first wall surface.
Dependencies are inferred from the claim text.