US PATENT SUBCLASS 239 / 533.1
FLUID PRESSURE RESPONSIVE DISCHARGE MODIFIER* OR FLOW REGULATOR*

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

533.1FLUID PRESSURE RESPONSIVE DISCHARGE MODIFIER* OR FLOW REGULATOR* {3}
533.2  DF  .~> Fuel injector or burner {1}
533.13  DF  .~> Resilient or deformable terminal outlet {1}
533.15  DF  .~> On-off only

DEFINITION

Classification: 239/533.1

(under the class definition) Apparatus including a terminal member (e.g., nozzle) having a fluid outlet port, means associated with such member to change the character of flow or the quantity of flow passing through the outlet port, such flow changing means being responsive to the pressure condition of the fluid in the terminal member or in a fluid conducting member upstream thereof.

(1) Note. This subclass does not include patents concerned with devices which are mere line flow operated, i.e., become operative at the mere flow of fluid regardless of the comparative lack of head.

SEE OR SEARCH THIS CLASS, SUBCLASS:

126, for pressure responsive system-fluid relief or by-pass.

452+, for terminal outlets formed by parts mounted for relative movement responsive discharge modifier.

464, for flow deflecting or rotation controlling means including a fluid pressure responsive flow modifier.

570+, for line fluid operated valves and see (1) Note above.