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Патент USA US3054405

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Sept. 18, 1962
-
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,‘ 1958
20 Sheets-Sheet 1
/
0.55
BRAKE
SPECIFIC
05¢
FUEL
CON$UMP77ON MS
0.40;
/
CONSTANT SPEED
A/R FUEL RA 770
ENG/NE PERFORMANCE CURVE
Fe
_
(POWER)
be
(BRAKE
SPECIFIC
FUEL
\ \I
CONSUMPTION‘)
~
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/
CONSUMPTION
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men
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- MINIMUM
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1
l
1
0.85
120
ms
LEAN
LAMBDA
(A
IR FUEL RATIO
AHEORETICAL AIR FUEL RATIO)
INVENTOR
1 =,—\
. 1.‘
FRITZ ,4. 1-: SCHMIDT
ATTORNEYS
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,71958
20 Sheets-Sheet 2
drLr
.EugmQOI
INVENTOR
u.xJfUézuDmlLw
ZOFPEDWU
FRITZ A. E SCHMIDT
BY "3% 3km?” ’ 55”“?
ATTORNEYS
Sept. 18, 1962
3,054,393
F. A. F. SCHMIDT
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 5
INVENTOR
FRITZ .4. F. SCHM/DT
ATTORNEYS
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 4
PARAMETER:
ENGINE SPEED IN R/MIN.
0 stroke
1/4 Nmax
I /2 Nmux
3/4 Nmox
Nmax
V4
V2
3/4
0/4 LOAD
MOTOR LOAD -—>—
"T1: I. E
PARAMETER:
.
MOTOR LOAD DURING CONSTANT THROTTLE
POSITION IN THE RESPECTIVE LOAD STEPS
1
0 S/ro/re
A FULL LOAD
\ 3/4 LOAD
1/2 LOAD
1/4 LOAD
IDLING
I/4 Nmux
I/2 Nmclx
3/4 Nmux
Nmux
ENG/IVE SPEED ——>
INVENTOR
4:=:. E a.
F/a/Tz A. E SCHMIDT
BY
DMLf/v
ATTORNEYS
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 5
F1:
INVENTOR
FRITZ A. E SCHMIDT
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 6
MAX.
SOVLERTAP
ID'LE
M'Ax.
RPM.
DISTR/BUTOR SLOT OVERLAP
REQU/RED BY ENG/NE FUEL
REQU/lQEI'ME/V7T5~
MAX.
FWUPEINJGLHCRTION
IDILE
M'Axv
FLFEM.
D/STR/BUTOR DEL/VERY AT CONSTANT
PRESSURE W/TH ONLY M4R/A T/ON OF
1N VENTOR
SLOT OVERLAP occuRR/Nc
FRITZ A. E SCHMIDT
BY
6%’
2%6RN s
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,_ 1958
20 Sheets-Sheet 7
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~
-
\
\
3.
l
INVENTOR
FRITZ A. E SCHMIDT
Sept. 18, 1962
3,054,393
F. A. F. SCHMIDT
FUEL INJECTION SYSTEM
Filed. Feb. 4, 195a
20 Sheets-Sheet 8
2.2%“
row
1
INVENTOR
FRITZ A. E SCHMIDT
BY
?ll/L
6*“
"0“ T
r
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,_l958
2O Sheets-Sheet 9
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42
49
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32)
I?’ 1
233
3 4
:-
INVENTOR
FRITZ A. F SCHMIDT
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
,
Filed Feb. 4,7 1958
20 Sheets-Sheet 10
3“ l6
// /2
28
I20.
0
29
59
a
\ \ \ ////
6/
‘
O
\
ll
I
PUMP
L.
_._l
INVENTOR
FRITZ A. E SCHMIDT
6% Dal-U431} é)A RNEYS
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,71958
.A
‘2o Sheets-Sheet 11
' :1
V
INVENTOR
1:12-21
____,
FRITZ .4. E SCHMIDT
—" 1:,14
BY
‘
aw’ Dug? )ATSQ'ISZZ‘EYs '
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 12
FU L L LOAD
QUANTITY
ACLE
HALF LOAD
i A_DD_|NG ONE HOLE
"MAM
2
“MAX
REVS.
1=LZ7
_
INVENTOR
FRITZ A. E SCHMIDT
25
Y
_
_
5% pm?‘ 943%,?“
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet l3
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INVENTOR
FRITZ ,4. F: SCHMIDT
BY
gnaw, Dwain},5,
ORN Y5
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM_
Filed Feb. 4,‘ 1958
20 Sheets—Sheet l4
I'M/ILA
INVENTOR
‘
FRITZ A. F. SCHMIDT
617w,
I 5/"A
RNEYS
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4,_ 1958
20 Sheets-Sheet 15
/2
INVENTOR
FRITZ A. E SCHMIDT
BY
45%, ML?» K iwam
Sept. 18, 1.962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 16
2/ 2
I6
I
V““
l
.7m
24
25 //4
22
‘
/2
émiaw V/fé a
wIA‘/Y
2Ii
INVENTOR
FRITZ A. E SCHMIDT
‘a
/40
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 17
380.
INVENTOR
FRITZ A. E SCHMIDT
D
1 ATTORNEYS
Sept. 18, 1962'
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
.
‘-
/
INJECTED
_
QUANTI‘P!
\
.
NORMAL SPEED
‘
IDLE SPEED
‘
.1
./
.
_
M
‘
.\
"x
IM M SPEED
u
INVENI‘OR
‘
\.
lb
‘“'
cRAmsnAFT
T .1'
FRITZ A. F. SCHMIDT
ANGLE
l='.41
'
BY
6%’-
‘561w RNEYS
Sept. 18, 1962
3,054,393
F. A. F. SCHMIDT
FUEL INJECTION SYSTEM
Filed Feb. 4,_ 1958
20 Sheets-Sheet 19
1
F
1
5
DISTRIBUTOR.
HIGH
PRESSURE
PUMP
FUEL
TO
[I45
STARTER
I47
\IISHUTOFF
VALVE
{/7
l
PUMP-HIGH
P
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-
"RE
r
DISTRIBUTOR 9
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GA“;
FEM.
.27
\
PUMP- LOW
146
PRESSURE
_L _
'
_
_
‘23
_
_
_
*
_
GAS TANK
l
[
u
INVENTOR
1:;4-1":
FRITZ A. E SCHMIDT
BY guy“, D2145“; 1W6,
ATTORNE Y5
Sept. 18, 1962
F. A. F. SCHMIDT
3,054,393
FUEL INJECTION SYSTEM
Filed Feb. 4, 1958
20 Sheets-Sheet 2O
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PUMP- LOW
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PRESSURE
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GAS TANK
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V
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IN VEN 1 OR
FRITZ A. E SCHMIDT
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