Detonative cleaning apparatus

Liquid heaters and vaporizers – Cleaning

Reexamination Certificate

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Details

C122S396000, C165S095000, C134S022100

Reexamination Certificate

active

07011047

ABSTRACT:
Methods and apparatus are provided for cleaning a surface within a vessel. A fuel/oxidizer charge is provided within a combustion conduit. An initial deflagration commenced in a first portion of the charge produces a final detonation at least in another portion of the charge to expel a shockwave from the conduit which impinges upon the surface. The deflagration-to-detonation transition may be encouraged by mechanical enhancements and/or by making the first charge portion more detonable than the second.

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Hanjalic et al., “Detonation-Wave Technique for On-Load Deposit . . . ”, Journal of Engineering for Gas Turbines and Power, Jan., 1994, pp. 223-236. vol. 118.
Huque, “Experimental Investigation of Slag Removal Using . . . ”, Annual Symposium, Mar. 16-18, 1999, pp. 1-6, Miami, FL.
Hanjalic et al., “Further Experience in Using Detonation Waves . . . ”, International Journal of Energy Research, Apr. 7, 1993, pp. 583-595, vol. 17.

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