Last Updated
：2025/11/29
clearance space
Noun
countable
uncountable
In
a
steam
engine,
the
space
enclosed
in
one
end
of
the
cylinder,
between
the
valve(s)
and
the
piston,
at
the
beginning
of
a
stroke;
waste
room.
It
includes
the
space
caused
by
the
piston's
clearance
and
the
space
in
ports,
passageways,
etc.
Its
volume
is
often
expressed
as
a
certain
proportion
of
the
volume
swept
by
the
piston
in
a
single
stroke.
Japanese Meaning
蒸気機関において、シリンダーの一端に位置する、弁とピストンの間の空間。これはピストンのクリアランスやポート、通路などにより生じる空間を含み、ストローク開始時の『無駄な空間』として存在する容積を示す。
Sense（1）
In
a
steam
engine,
the
space
enclosed
in
one
end
of
the
cylinder,
between
the
valve(s)
and
the
piston,
at
the
beginning
of
a
stroke;
waste
room.
It
includes
the
space
caused
by
the
piston's
clearance
and
the
space
in
ports,
passageways,
etc.
Its
volume
is
often
expressed
as
a
certain
proportion
of
the
volume
swept
by
the
piston
in
a
single
stroke.
（ plural ）
Quizzes for review
In a steam engine, the space enclosed in one end of the cylinder, between the valve(s) and the piston, at the beginning of a stroke; waste room. It includes the space caused by the piston's clearance and the space in ports, passageways, etc. Its volume is often expressed as a certain proportion of the volume swept by the piston in a single stroke.
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See correct answer
clearance space
Before starting the test, the engineer measured the clearance space at the cylinder's end to ensure the steam distribution was correct.
See correct answer
Before starting the test, the engineer measured the clearance space at the cylinder's end to ensure the steam distribution was correct.
音声機能が動作しない場合はこちらをご確認ください
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