(under subclass 589) Apparatus wherein the geometry of the flow path causes a periodic or cyclic change in the character of flow impaired to the fluid escaping from the discharge or egress opening.
SEE OR SEARCH THIS CLASS, SUBCLASS:
99+, for means in addition to the geometry of the flow path for causing a cyclically intermittent discharge.
101, for means in addition to the geometry of the flow path for causing a cyclic flow rate to the distributor.
102.1+, for motor means which vibrates or jiggles the discharge.
308+, for a spray fluid operated continuously moving discharge modifier.