- E -

Eccentric Shaft

1. The crankshaft of a Wankle engine. 2. A shaft with eccentric offsets, such as a camshaft.

Eccentricity

A condition whereby two or more round parts or holes do not share the same central axis.

ECCS

An acronym for 1. Electronic computer control system. 2. Electronic concentrated control system. 3. Electronic constant control system.

ECE

Economic Commission of Europe.

ECES

Electronic control/electric switching.

ECI

An acronym for electronic controlled ignition.

ECM

An acronym for electronic control module. The on-board computer that controls fuel delivery, emissions, and on-board diagnostics, for the vehicle's engine management systems.

Econobox

A small compact car.

Economizer

A device in a carburetor that reduces fuel consumption, particularly under heavy throttle.

Economy Of Motion

Minimum effort required to do a task.

Econorail

A dragster with a single, normally aspirated gasoline engine.

ECS

An acronym for 1. Electronic control system. 2. Evaporative control system. 3. Electronic Crash Sensor Module (Ford).

ECT

An acronym for 1. Electronic controlled transmission. 2. Engine coolant temperature.

ECTS

An acronym for engine coolant temperature sensor.

ECTV

Emission control thermostat valve.

ECU

An acronym for electronic control unit.

ECVT

Electro-continuously variable transmission.

Eddy Current

Currents induced in conducting materials by varying magnetic fields; Sometimes used with dynamiters for fast accurate current changes.

EDF

Electro-drive fan.

Edge Loading

A condition that exists when two parts rub together at their edges.