Membrane mems actuator with moving working fluid
AssigneeEastman Kodak Company
InventorsYonglin Xie, Qing Yang
Life of this patent
Estimating the term…
Abstract
A liquid dispenser includes a first liquid chamber and a second liquid chamber. The first liquid chamber includes a nozzle. A liquid supply channel is in fluid communication with the second chamber. A liquid return channel is in fluid communication with the second chamber. A heater is associated with the second liquid chamber. A flexible membrane is positioned to separate and fluidically seal the first liquid chamber and the second liquid chamber relative to each other. A liquid supply provides a liquid that flows continuously from the liquid supply through the liquid supply channel through the second liquid chamber through the liquid return channel and back to the liquid supply.
Claims14
A liquid dispenser comprising:
- a first liquid chamber including a nozzle;
- a second liquid chamber;
- a liquid supply channel in fluid communication with the second chamber;
- a liquid return channel in fluid communication with the second chamber;
- a heater associated with the second liquid chamber;
- a flexible membrane positioned to separate and fluidically seal the first liquid chamber and the second liquid chamber;
- a liquid supply that provides a liquid that flows continuously from the liquid supply through the liquid supply channel through the second liquid chamber through the liquid return channel and back to the liquid supply.
Dependencies are inferred from the claim text.