Foam generating aspirating nozzle

Details Foam generating aspirating nozzle Foam generating aspirating nozzle

1990-09-07

1991-10-22

Focarino, Margaret A.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Liquid flow induces atmospheric air

169 15, E03C 1084, A62C 3112

Patent

active

050588095

ABSTRACT:
A foam generating nozzle and method of producing a high quality foam at high flowrates includes introducing a liquid foam producing agent to one end of an elongate passage in a nozzle body, introducing air to the flowing liquid in the elongate passage by aspirating the air through radially extending gas inlet passages having a first width adjacent the elongated passage and a second width greater than the first width adjacent the exterior of the body, and discharging the foam from the nozzle body.

REFERENCES:
patent: 2423618 (1947-07-01), Ratzer
patent: 2761516 (1956-09-01), Vassilkovsky
patent: 3836076 (1974-09-01), Conrad et al.

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