Nozzle for injecting sublimable solid particles entrained in...

Details Nozzle for injecting sublimable solid particles entrained in... Nozzle for injecting sublimable solid particles entrained in...

2006-03-07

2006-03-07

Shakeri, Hadi (Department: 3723)

Abrading

Machine

Sandblast

C239S318000, C239S433000, C134S144000, C134S902000

Reexamination Certificate

active

07008306

ABSTRACT:
Disclosed is a nozzle for injecting sublimable solid particles, which is capable of minimizing consumption of the carrier gas and also maximizing cleaning efficiency. The nozzle comprises a base block having a space in which carrier gas is supplied through a gas supplying pipe; a sub-block having a space in which cleaning medium decompressed by a regulator is supplied through a cleaning medium supplying pipe; a first venturi block having a venturi path for adiabatically expanding the carrier gas supplied from the space of the base block, and a cleaning medium injection path communicating the venturi path and the space of the sub-block and the carrier gas passed through the venturi path; and a second venturi block having a venturi path for adiabatically expanding the mixed gas of the carrier gas and the cleaning medium.

REFERENCES:
patent: 4478368 (1984-10-01), Yie
patent: 5054249 (1991-10-01), Rankin
patent: 5125979 (1992-06-01), Swain et al.
patent: 5390450 (1995-02-01), Goenka
patent: 5616067 (1997-04-01), Goenka
patent: 5846338 (1998-12-01), Bonora et al.
patent: 6168503 (2001-01-01), Pao et al.
patent: 6390899 (2002-05-01), Loubeyre
patent: 6695686 (2004-02-01), Frohlich et al.
International Search Report—PCT/KR02/00348; ISA/KR; Date of Mailing: Jun. 22, 2002.

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