Device for the dosing of gaseous and/or vaporous matters

Details Device for the dosing of gaseous and/or vaporous matters Device for the dosing of gaseous and/or vaporous matters

2007-10-09

2007-10-09

Hopkins, Robert A. (Department: 1724)

Gas and liquid contact apparatus

Fluid distribution

Pumping

C261S095000, C261S096000, C261SDIG088

Reexamination Certificate

active

10503561

ABSTRACT:
Apparatus for dosing gaseous and/or vaporous substances An apparatus for dosing gaseous and/or vaporous substances, in particular for generating varying scents, includes a multitude of packaged storage containers (1) from which different gases and/or vapors are driven out by a carrier medium. On their inlet sides, the storage containers are connected to a common carrier medium manifold (13) via a shut-off device (4) assigned to each storage container that can be actuated, and on their outlet sides to a joint homogenization chamber (8). Both the carrier medium manifold and the homogenization chamber are connected to a carrier medium source using a regulating valve (5, 9). Check valves (6, 7) are integrated in the gas passages to the storage container and from the storage container to the homogenization chamber. A dosing apparatus designed based on this principle is characterized by low space requirements and materially separate volume flows that can be exactly timed and dosed.

REFERENCES:
patent: 3795438 (1974-03-01), Kristiansen et al.
patent: 5198451 (1993-03-01), Andersen et al.
patent: 5565148 (1996-10-01), Pendergrass, Jr.
patent: 5898475 (1999-04-01), Martin
patent: 6371451 (2002-04-01), Choi
patent: 2139168 (1971-12-01), None
patent: 19916967 (2001-05-01), None
patent: WO00/05330 (2000-02-01), None
patent: WO 0053301 (2000-09-01), None
patent: WO 0130404 (2001-03-01), None

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