Solid/gas carbon dioxide spray cleaning system

Details Solid/gas carbon dioxide spray cleaning system Solid/gas carbon dioxide spray cleaning system

1997-03-08

1998-12-29

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

239590, 134 7, 451 39, A62C 1100

Patent

active

058531289

ABSTRACT:
Method and apparatus for controlling the exit velocity of solid/gas carbon dioxide spray cleaning systems. By increasing the pressure of liquid carbon dioxide in the supply line, typically in the range of 800-875 psi, to greater than 875 psi, preferably 2,000-5,000 psi and above, the velocity of the spray stream exiting the nozzle is increased enabling removal of contamination (oils, fingerprints, particles, graffiti, etc.) not removable with a spray stream using conventional carbon dioxide pressures. The apparatus includes the incorporation of a high-pressure pump in the liquid carbon dioxide supply line in combination with a nozzle having a first or inlet orifice smaller in diameter than the supply line and a second or exit orifice larger in diameter than the inlet orifice.

REFERENCES:
patent: 4806171 (1989-02-01), Whitlock et al.
patent: 5018667 (1991-05-01), Lloyd
patent: 5052624 (1991-10-01), Boers et al.
patent: 5222332 (1993-06-01), Mains, Jr.
patent: 5294261 (1994-03-01), McDermott et al.
patent: 5390450 (1995-02-01), Goenka

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