Fluid injection device
AssigneeSeiko Epson Corporation
InventorHideki KOJIMA
Life of this patent
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Abstract
A fluid injection device includes a pulse generator which converts fluid into pulse flow, a suction pipe projecting from the pulse generator, an injection pipe which is eccentrically inserted into the suction pipe such that the outer circumferential surface of the injection pipe contacts the inner circumferential surface of the suction pipe, and has an injection opening communicating with the pulse generator, and a suction channel and a suction opening formed between the inner circumferential surface of the suction pipe and the outer circumferential surface of the injection pipe. The injection pipe is fixed to the inner circumferential surface of the suction pipe in the vicinity of the injection opening.
Claims7
1-11. (canceled)
A fluid injection unit comprising:
- an injection pipe that includes an injection opening configured to inject fluid;
- and
- a suction pipe that includes a suction opening configured to suck fluid injected from the injection opening,
- wherein the injection pipe is located in the suction pipe and a tip portion of the injection pipe is eccentric to the suction pipe,
- wherein the tip portion of the injection pipe has a bent portion.
Dependencies are inferred from the claim text.