Liquid discharge head
AssigneeCanon Kabushiki Kaisha
InventorsKoji Sasaki, Masafumi Morisue, Seiichiro Yaginuma, Shinji Kishikawa, Masataka Nagai
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Abstract
In a liquid discharge head, a first pump and a second pump are arranged inside a channel, the channel includes a pressure chamber including an energy generating element, and liquid inside the pressure chamber is circulatable between inside and outside of the pressure chamber by the first pump or the second pump. The first pump is arranged on one side relative to a midpoint of the channel in an extending direction of the channel, and the second pump is arranged on another side relative to the midpoint of the channel in the extending direction of the channel.
Claims15
A liquid discharge head comprising:
- a substrate having a supply port;
- an energy generating element on the substrate;
- and
- a member that forms a channel through which liquid flows and a discharge port from which the liquid is discharged,
- wherein a first pump and a second pump are arranged inside the channel, the channel includes a pressure chamber including the energy generating element, and liquid inside the pressure chamber is circulatable between inside and outside of the pressure chamber by the first pump or the second pump, and
- wherein the first pump is arranged on one side relative to a midpoint of the channel in an extending direction of the channel, and the second pump is arranged on another side relative to the midpoint of the channel in the extending direction of the channel.
Dependencies are inferred from the claim text.