Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines (air cleaners in general B 01 D)
35
/
02
•
Air cleaners
35
/
022
•
•
acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls [2]
35
/
024
•
•
using filters, e.g. moistened (F 02 M 35/026 takes precedence; cleaning of the filtering material F 02 M 35/08) [2]
35
/
026
•
•
acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters [2]
35
/
04
•
•
specially arranged with respect to engine; Mounting thereon
35
/
06
•
•
•
combined or associated with engine's cooling blower or fan, or with flywheel
35
/
08
•
•
with means for removing dust from cleaners; with means for indicating clogging; with by-pass means
35
/
09
•
•
•
Clogging indicators [6]
35
/
10
•
Air intakes; Induction systems (using kinetic or wave energy of charge in induction systems for improving quantity of charge F 02 B)
35
/
104
•
•
Intake manifolds [6]
35
/
108
•
•
•
with primary and secondary intake passages [6]
35
/
112
•
•
•
for engines with cylinders all in one line (F 02 M 35/108 takes precedence) [6]
35
/
116
•
•
•
for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft (F 02 M 35/108 takes precedence) [6]
35
/
12
•
Intake silencers
35
/
14
•
Combined air cleaners and silencers
35
/
16
•
characterised by use in vehicles (predominant vehicle aspects, see the relevant classes for the vehicles)
37
/
00
Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus (F 02 M 69/00 takes precedence; feeding liquid fuel to combustion apparatus, in general F 23 K 5/00; fuel supply to apparatus for generating combustion products of high pressure or high velocity
F 23 R 3/28); Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines (separating apparatus, filters per seB 01 D; centrifuges B 04 B) [5]
37
/
02
•
Feeding by means of suction apparatus, e.g. by air flow through carburettors (by driven pumps F 02 M 37/04)
37
/
04
•
Feeding by means of driven pumps (pump construction F 04)
37
/
06
•
•
mechanically driven
37
/
08
•
•
electrically driven
37
/
10
•
•
•
submerged in fuel, e.g. in reservoir
37
/
12
•
•
fluid-driven, e.g. by compressed combustion-air
37
/
14
•
•
the pumps being combined with other apparatus
37
/
16
•
•
characterised by provision of personally-, e.g. manually-, operated pumps
37
/
18
•
•
characterised by provision of main and auxiliary pumps
37
/
20
•
characterised by means for preventing vapour lock
37
/
22
•
Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangement in the feeding system [3]
Fuel-injection apparatus (carrying the fuel into cylinders by high-pressure gas F 02 M 67/00; low-pressure fuel-injection F 02 M 69/00)
39
/
00
Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements (arrangements of injectors F 02 M 61/14)
39
/
02
•
Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives (F 02 M 49/00 takes precedence)
41
/
00
Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
41
/
02
•
the distributor being spaced from pumping elements
41
/
04
•
•
the distributor reciprocating
41
/
06
•
•
the distributor rotating
41
/
08
•
the distributor and pumping elements being combined
41
/
10
•
•
pump pistons acting as the distributor
41
/
12
•
•
•
the pistons rotating to act as the distributor
41
/
14
•
•
rotary distributor supporting pump pistons
41
/
16
•
characterised by the distributor being fed from a constant-pressure source, e.g. accumulator
