Probe for providing micro liquid drops

Details Probe for providing micro liquid drops Probe for providing micro liquid drops

2007-10-09

2007-10-09

Griffin, Walter D. (Department: 1709)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C222S420000, C222S421000, C222S436000, C073S863430, C073S864510

Reexamination Certificate

active

10841532

ABSTRACT:
A probe for providing micro liquid drops including a main rod, a limiting portion and a probe tip portion is disclosed. At least one guiding flow way and several storing recesses are disposed on the conical outer surface of the probe tip portion. Each storing recess has a volume that is larger than the volume of the guiding flow way. Also, under the gravity and capillarity effect, the output speed is controlled by the number, size and shape of the guiding flow ways and the storing recesses so that each probe structure is strong, the liquid storing capacity is high, its liquid output is stable, it is easier to manufacture the guiding flow ways, and it is easy to clean.

REFERENCES:
patent: 223618 (1880-01-01), MacKinnon
patent: 911336 (1909-02-01), Schweizer
patent: 1112362 (1914-09-01), Matsumoto
patent: 1379602 (1921-05-01), Abegg
patent: 3306267 (1967-02-01), Matsumoto
patent: 4971763 (1990-11-01), Columbus
patent: 6497155 (2002-12-01), Feygin et al.

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