US PATENT SUBCLASS 73 / 590
.~.~ In detection of a liquid reaction, a chemical reaction, or a nuclear reaction


Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
590.~.~ In detection of a liquid reaction, a chemical reaction, or a nuclear reaction


DEFINITION

Classification: 73/590

In detection of a liquid reaction, a chemical reaction, or a nuclear reaction:

(under subclass 584) Subject matter wherein a determination is made of the quality, characteristic, or condition of a reaction which involves chemicals, nuclear materials, or other types of reactions, e.g., liquid cavitation in a boiler, detonation in an engine cylinder, etc., which are imminent or presently occurring.

(1) Note. The reaction, whether desired or undesired, will manifest itself in the form of sonic vibrations from which the determination is made.

(2) Note. The reaction may be or may not be taking place in an appropriate chamber or container.

SEE OR SEARCH THIS CLASS, SUBCLASS:

592, for detection of fluid, fluid leak, or pipe flaw.