US PATENT SUBCLASS 123 / 378
.~.~ Fluidic sensor or regulator

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

Internet Version by PATENTEC © 1999      Terms of Use


123 /   HD   INTERNAL-COMBUSTION ENGINES

319  DF  ENGINE SPEED REGULATOR {16}
349  DF  .~ Having condition responsive means with engine being part of a closed feedback system (e.g., cruise control) {4}
378.~.~ Fluidic sensor or regulator {6}
379  DF  .~.~.~> Fuel injection pump governor {5}
389  DF  .~.~.~> Intake manifold vacuum responsive
390  DF  .~.~.~> Fuel injection pressure governor
391  DF  .~.~.~> Responsive to intake airflow
392  DF  .~.~.~> Responsive to cooling fan airflow
393  DF  .~.~.~> Responsive to exhaust gas

DEFINITION

Classification: 123/378

Fluidic sensor or regulator:

(under subclass 349) Subject matter wherein the engine speed or other parameter sensed, the sensing action, the regulator, or the output control actuator is fluidic.

(1) Note. The term fluidic is intended to include pneumatic or hydraulic controls or a fluidic amplifier.

SEE OR SEARCH CLASS

137, Fluid Handling,

479+, for combustion engine induction-type valves which are responsive to changes in line condition.