This is a follow up to our thread:
http://forums.usfirst.org/showthread.php?t=11421
What is the official First definition of an 'electric solenoid'?
According to all our research and industry standards an
'electric solenoid' is a coil of wire that when energize
with electricity, a linear motion is created to a iron or
steel 'slug' causing a mechanical 'action'. Examples are
electric solenoid valves, exactly what the pneumatic valves
are that First provides in the KOP that utilize a coil to
cause a metal shaft to move producing the mechanical effect
of controlling airflow. An electric solenoid when energize
causes a metal pin to move to mechanical 'lock' pieces together.
A hard disk drive uses an electric solenoid that when energized,
moves a metal frame holding the 'head'. An eletric magnetic
field is produced with the design to cause MOVEMENT, linear
motion, mechanical movement to produce an effect.
This device consists of an electric coil that is as close as
possible to what is called a 'control ring'. When the coil
is electrically energized, there is no motion, no linear motion,
no mechanical motion. There is no pin that is moved to 'LOCK'
any pieces together. This device consists of no moving parts.
An example of an electric clutch that when energized, causes
a MOTION of a pin to cause a mechanical movement to lock two
pieces together would be the use of an electric solenoid.
We are not looking for 'loopholes', but an industry standard
definition.


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