Combustion – Burner cap – cover or extinguisher
Patent
1985-09-12
1987-07-07
Focarino, Margaret A.
Combustion
Burner cap, cover or extinguisher
431350, 431346, 239432, F23Q 2500
Patent
active
046784292
ABSTRACT:
A torch tip for use with a die casting torch in which the tip functions to blow out the flame when the ratio of air pressure to gas pressure being supplied to the tip exceeds a predetermined safe value. The torch tip comprises a unitary die casting and includes a generally cylindrical main body portion, a partition extending transversely between the ends of the main body portion, a reduced diameter mouth at the discharge end of the main body portion having a diameter that is less than the internal diameter of the main body portion at the partition, and a plurality of holes in the partition including at least some holes spaced radially outwardly of the circumferential boundary of the reduced diameter mouth. The reduced diameter mouth and the radially outwardly disposed holes in the diaphragm coact to create a turbulent burn condition which may be selectively controlled to provide burn out of the flame at a precise ratio of air pressure to gas pressure so that the operator of the die casting apparatus is unable to increase the flame temperature beyond the safe temperature corresponding to the predetermined ratio of air pressure to gas pressure.
REFERENCES:
patent: 1595995 (1926-08-01), Clefton
patent: 2367119 (1945-01-01), Hess
patent: 2618322 (1952-11-01), Conta et al.
patent: 3945440 (1976-03-01), Bohme
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