US PATENT SUBCLASS 123 / 339.15-- .~.~.~ With fail-safe, backup, or malfunction detecting means

US PATENT SUBCLASS 123 / 339.15
.~.~.~ With fail-safe, backup, or malfunction detecting means

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}
339.1	DF	.~ Idle speed control {5}
339.14	DF	.~.~ Electrically operated control means {6}
339.15		.~.~.~ With fail-safe, backup, or malfunction detecting means

DEFINITION

Classification: 123/339.15

With fail-safe, backup, or malfunction detecting means:

(under subclass 339.14) Subject matter and wherein the electrically powered adjusting means includes an electrical circuit having a circuit element and wherein the electrically powered adjusting means (a) upon sensing failure in the circuit element shifts operation (1) into a substitute circuit, or (2) to a substitute mechanism to accomplish the same function, or (b) senses functioning of the circuit or circuit element outside of acceptable parameters.

SEE OR SEARCH THIS CLASS, SUBCLASS:

479, for a charge-forming device having an electrically actuated fuel injector and an actuator circuit including a fail-safe, backup, or failure indicator.

690, for an exhaust gas condition responsive charge-forming device including a fail-safe, backup or malfunction means.

SEE OR SEARCH CLASS

340, Communications: Electrical, appropriate subclasses for an electrical alarm or indicating system.

361, Electricity: Electrical Systems and Devices, appropriate subclasses for an electrical fail-safe or backup system without significant internal combustion engine structure.

701, Data Processing, Navigation, and Relative Location, 99+, for control means for an internal-combustion engine including specific computer or data processing details.