US PATENT SUBCLASS 137 / 115.13
.~.~.~ Pressure responsive

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

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
115.01  DF  .~.~ Bypass or relief controlled by main line fluid condition {3}
115.13.~.~.~ Pressure responsive {9}
116.3  DF  .~.~.~.~> With pressure reducing inlet valve {1}
115.14  DF  .~.~.~.~> Common sensor for both bypass or relief valve and other branch valve {1}
115.16  DF  .~.~.~.~> Bypass or relief valve biased open {1}
115.18  DF  .~.~.~.~> Bypass or relief valve responsive to pressure downstream of outlet valve {2}
115.21  DF  .~.~.~.~> Plural sensors for single bypass or relief valve {1}
115.23  DF  .~.~.~.~> Pilot valve operated
115.24  DF  .~.~.~.~> Mechanical movement between sensor and valve
115.25  DF  .~.~.~.~> Electrical control
115.26  DF  .~.~.~.~> Sensor rigid with valve {2}

DEFINITION

Classification: 137/115.13

Pressure responsive:

(under subclass 115.01) Subject matter wherein the sensor is detecting the pressure of the fluid in the main flow line and in response thereto controls the bypass or relief valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118.06+, and 119.08+, for self-controlled pressure responsive plural outflows and pressure responsive alternate and substituted plural outflows respectively.