Liquid vaporizer with positive liquid shut-off

Fluid sprinkling – spraying – and diffusing – Including valve means in flow line

Reexamination Certificate

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Details

C239S128000, C118S715000, C122S367100

Reexamination Certificate

active

06997403

ABSTRACT:
The present invention is generally directed to a vaporizer with positive liquid shut-off. In one illustrative embodiment, the vaporizer is comprised of a body, a liquid inlet and a carrier gas inlet coupled to the body, a nozzle positioned within the body, the nozzle having at least one opening formed therethrough that defines a vaporized liquid exit, and a positive shut-off valve, a portion of which is adapted to engage the vaporized liquid exit of the nozzle. In another illustrative embodiment, the vaporizer is comprised of a body, a liquid inlet and a carrier gas inlet coupled to the body and a plurality of peltier cells coupled to the body.

REFERENCES:
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patent: 5866795 (1999-02-01), Wang et al.
patent: 5901741 (1999-05-01), Mudd et al.
patent: 6006701 (1999-12-01), Nagano
patent: 6055814 (2000-05-01), Song
patent: 6062246 (2000-05-01), Tanaka et al.
patent: 6218504 (2001-04-01), Dolle et al.
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patent: 6470144 (2002-10-01), Tarutani et al.
patent: 6527865 (2003-03-01), Sajoto et al.
patent: 2004/0020437 (2004-02-01), Toda et al.
patent: 2001262350 (2001-09-01), None
Product Information for Diaphram Valve, Polycoat Flochem, Sep. 14, 2001.

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