An inline dispersal valve is constructed with a chamber into which a material to be dispersed into a fluid stream may be inserted. A first fluid deflector is used to direct fluid away from the fluid stream into the chamber to permit the fluid to absorb the dispersant, and a second fluid deflector, oppositely...http://www.google.es/patents/US4662387?utm_source=gb-gplus-sharePatente US4662387 - Inline dispersal valve
