US PATENT SUBCLASS 137 / 836
.~.~ With particular characteristics of control input

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

803  DF  FLOW AFFECTED BY FLUID CONTACT, ENERGY FIELD OR COANDA EFFECT (E.G., PURE FLUID DEVICE OR SYSTEM) {11}
834  DF  .~ Device including passages having V over T configuration {5}
836.~.~ With particular characteristics of control input {1}
837  DF  .~.~.~> Multiple control-input passages

DEFINITION

Classification: 137/836

(under subclass 834) Device wherein said second and third passages have special structure or configuration or peculiarity of operation.

(1) Note. Included in this subclass (836) are patents claiming the control inlet as being supplied with subatmospheric or suction pressure, or claiming an elongated passage to produce a delayed signal.