LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 3, 2024
filing date -
Oct 3, 2024
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Abstract
A liquid discharge head includes a discharge element substrate configured to discharge a liquid, an upstream-side flow path connected to the discharge element substrate and configured to supply a liquid to the discharge element substrate, a downstream-side flow path connected to the discharge element substrate and configured to collect a liquid from the discharge element substrate, and a pump connected to each of the upstream-side flow path and the downstream-side flow path and configured to cause a liquid within the downstream-side flow path to flow out to the upstream-side flow path, wherein the pump includes a pump outflow hole for causing the liquid within the downstream-side flow path to flow out to the upstream-side flow path, and wherein, in a use state of the liquid discharge head, an opening of the pump outflow hole faces upward in a substantially vertical direction.
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