Liquid drop dispenser with movable deflector

Details Liquid drop dispenser with movable deflector Liquid drop dispenser with movable deflector

Filed on

2011-03-29

Date issued

2011-03-29

Examiner

Luu, Matthew (Department: 2861)

Patent Class

Incremental printing of symbolic information

SubClass

Ink jet

SubSubClass

Ejector mechanism

Other Related Categories

C347S082000

Type

Reexamination Certificate

Status

active

Patent number

07914121

Description

ABSTRACT:
A liquid dispenser includes a liquid supply channel, a liquid supply adapted to feed a stream of liquid through the supply channel, a liquid return channel adapted to receive liquid from the supply channel, a liquid dispensing outlet opening, and a diverter member forming at least a portion of a wall of the liquid supply channel, said diverter member being selectively movable to form a convex surface along which liquid remains attached, thereby to divert droplets from the supply channel through the dispensing outlet opening. The motion of the diverter member is substantially orthogonal to the direction of liquid flow, so that energy associated with moving the diverter member imparts no energy to the diverted droplets. The energy associated with moving the diverter member is less than 100 nJ per pL droplet volume.

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patent: 2005/0225601 (2005-10-01), Siverbrrook
patent: 0436509 (1991-07-01), None
patent: 1339424 (1973-12-01), None
patent: 95/10415 (1995-04-01), None
Wikipedia Article-Convex, Paragraph 1.

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