Last Updated：2022/12/23
Sentence
In
a
valve
of
the
type
herein
described,
the
combination
of
a
valve
casing
provided
with
a
partition
dividing
its
interior
into
an
inlet
chamber,
an
outlet
chamber
and
a
piston
chamber,
the
piston
chamber
having
a
lower
portion
of
greater
area
than
its
upper
portion,
the
said
partition
having
a
passage
connecting
the
inlet
and
outlet
chambers,
the
undermargin
of
said
passage
being
formed
into
a
valve
seat,
a
restricted
passage
in
the
aforesaid
partition
connecting
the
inlet
chamber
with
the
lower
end
of
the
piston
chamber,
a
piston
valve
disposed
in
said
piston
chamber
and
having
upper
and
lower
portions
corresponding
in
diameter
to
that
of
the
upper
and
lower
portions
of
the
piston
chamber
and
moving
therein,
....
Quizzes for review
In a valve of the type herein described, the combination of a valve casing provided with a partition dividing its interior into an inlet chamber, an outlet chamber and a piston chamber, the piston chamber having a lower portion of greater area than its upper portion, the said partition having a passage connecting the inlet and outlet chambers, the undermargin of said passage being formed into a valve seat, a restricted passage in the aforesaid partition connecting the inlet chamber with the lower end of the piston chamber, a piston valve disposed in said piston chamber and having upper and lower portions corresponding in diameter to that of the upper and lower portions of the piston chamber and moving therein, ....
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