<s>
A	O
linear	B-Algorithm
alternator	I-Algorithm
is	O
essentially	O
a	O
linear	O
motor	O
used	O
as	O
an	O
electrical	O
generator	O
.	O
</s>
<s>
An	O
alternator	B-Algorithm
is	O
a	O
type	O
of	O
alternating	O
current	O
(	O
AC	O
)	O
electrical	O
generator	O
.	O
</s>
<s>
An	O
alternator	B-Algorithm
converts	O
mechanical	O
energy	O
to	O
electrical	O
energy	O
,	O
whereas	O
a	O
motor	O
converts	O
electrical	O
energy	O
to	O
mechanical	O
energy	O
.	O
</s>
<s>
Like	O
many	O
electric	O
motors	O
and	O
electric	O
generators	O
,	O
the	O
linear	B-Algorithm
alternator	I-Algorithm
works	O
by	O
the	O
principle	O
of	O
electromagnetic	O
induction	O
.	O
</s>
<s>
However	O
,	O
most	O
alternators	B-Algorithm
work	O
with	O
rotary	O
motion	O
,	O
whereas	O
linear	B-Algorithm
alternators	I-Algorithm
work	O
with	O
linear	O
motion	O
(	O
i.e.	O
</s>
<s>
A	O
linear	B-Algorithm
alternator	I-Algorithm
is	O
most	O
commonly	O
used	O
to	O
convert	O
back-and-forth	O
motion	O
directly	O
into	O
electrical	O
energy	O
.	O
</s>
<s>
Mainspring	O
Energy	O
's	O
linear	B-Algorithm
generator	I-Algorithm
uses	O
a	O
flameless	O
reaction	O
to	O
efficiently	O
convert	O
chemical-bond	O
energy	O
into	O
electricity	O
.	O
</s>
<s>
The	O
simplest	O
type	O
of	O
linear	B-Algorithm
alternator	I-Algorithm
is	O
the	O
mechanically	O
powered	O
flashlight	O
(	O
shake	O
type	O
)	O
.	O
</s>
<s>
Other	O
devices	O
that	O
use	O
linear	B-Algorithm
alternators	I-Algorithm
to	O
generate	O
electricity	O
include	O
the	O
free-piston	O
linear	B-Algorithm
generator	I-Algorithm
,	O
an	O
internal	O
combustion	O
engine	O
,	O
and	O
the	O
free-piston	O
Stirling	O
engine	O
,	O
an	O
external	O
combustion	O
engine	O
.	O
</s>
