US PATENT SUBCLASS 137 / 484.2
.~ Line flow effect assisted

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


137 /   HD   FLUID HANDLING

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
484.2.~ Line flow effect assisted {2}
484.4  DF  .~.~> Reactor surface normal to flow
484.6  DF  .~.~> Reactor surface separated from flow by apertured partition {1}

DEFINITION

Classification: 137/484.2

(under subclass 455) Devices in which the valve controlling forces are altered by a force resulting from a fluid pressure derived for variations in the flow of fluid in the line acting on a reactor surface other than the valve head.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

24, for similar structure in valves not responsive to line condition.