High pressure spray injector

Details High pressure spray injector High pressure spray injector

1989-06-22

1991-10-29

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

With indicating, signalling, recording, sampling, or...

239 99, 239322, B05B 100

Patent

active

050614541

ABSTRACT:
A high pressure spray injector having an injector body with an interior cavity and a pedestal located within this cavity, the pedestal having an interior cavity and firmly attached to the bottom of the injector body. Coaxial with the injector body and the pedestal is an annular piston having an end cap and an interior cavity within. The annular piston is in sliding contact with the injector body and the pedestal. A stationary piston is coaxially located within the annular piston and also has an interior cavity. At the end of the stationary piston is a nozzle with an orifice. The annular pistion is also in sliding contact with the stationary piston. A pintle rod is located within the stationary piston to open and close the orifice in the nozzle. As the annular piston is caused to move upward, a fluid is injected in the top part of the annular piston and the interior of the stationary piston. When the annular piston moves downward, the pintle rod moves downward allowing the entrapped fluid to spray through the nozzle. A device for the visualization of the liquid spray during combustion at high pressures is also disclosed.

REFERENCES:
patent: 4077569 (1978-03-01), Deines
patent: 4231283 (1980-11-01), Malburg
patent: 4962886 (1990-10-01), Stockel
Avi Birk and Phil Reeves, "Facility for Visualization of Liquid Propellant pray Combustion at High Pressures", Jul. 1988.

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