Theory of operation
2-68
10070389 Rev. A
Puritan Bennett™ 700 Series Ventilator System Service Manual
Figure 2-56. Pneumatic diagram of breath triggering
Exhaust
port
Air
Oxy
g
e
n
Ox
y
g
en
s
o
le
no
id
s
O
xygen
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ty
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ist
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In
le
t
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o
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Exhalati
on
Ther
mi
st
or
Exhalati
on
Insp
ira
tor
y
To pat
ient
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on
PEE
P
Jet
Fil
ter
P
EEP
check
va
lv
e
sens
or
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gulator
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ake
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er
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re
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ry
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er
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ct
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re
ssur
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autozer
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lenoid
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on
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se
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ve
nt
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ow sens
or
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p
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ld
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xygen
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2
L/
min
Ther
mi
st
or
PR
E
S
S
U
RE
SO
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PC
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1.8 L/
min
Ambi
ent ai
r
Hi
gh-press
ure
ox
ygen
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gas
e
s
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w-p
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ssur
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ox
ygen
PEE
P/CP
A
P
pi
lot
press
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re
10 cm
H
2
O
33
± 5
psi
(227
.4
6 ±
34
.4
8 kPa)
10/
1.4 cmH
2
O
Ox
yg
e
n
fi
tti
ng
40
-90 psi
(2
75-62
0 kPa)
10/
1
.4 cmH
2
O
7-0
0130
Re
st
ric
to
r
Summary of Contents for Puritan Bennett 700 Series
Page 1: ...Service Manual Puritan Bennett 700 Series Ventilator Systems TM...
Page 439: ......
