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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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LUBRICATING OF MACHINES OR ENGINES IN GENERAL (lubricating in general F16N); LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
NOTE
-
Attention is drawn to the notes preceding class F01, specially as regards Note (3).

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Pressure lubrication
.
using lubricating pumps (pumps in general F04; lubricating pumps per se F16N)
F01M 1/04
.
using pressure in working cylinder or crankcase to operate lubricant feeding devices
.
Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores (crankshafts, connecting-rods, per se F16C)
F01M 1/08
.
Lubricating systems characterised by the provision therein of lubricant jetting means
F01M 1/10
.
Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
F01M 1/12
.
Closed-circuit lubricating systems not provided for in groups F01M 1/02 to F01M 1/10
.
Timed lubrication (F01M 1/08 takes precedence)
F01M 1/16
.
Controlling lubricant pressure or quantity (rendering machines or engines inoperative or idling on lubricant pressure failure F01M 1/22)
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.
Indicating or safety devices (concerning lubricant level F01M 11/06, F01M 11/12)
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F01M 1/20
. .
concerning lubricant pressure
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F01M 1/22
. . .
rendering machines or engines inoperative or idling on pressure failure
F01M 1/24
. . . .
acting on engine fuel system
F01M 1/26
. . . .
acting on engine ignition system
F01M 1/28
. . . .
acting on engine combustion-air supply
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Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture (separating lubricant from air or fuel-air mixture before entry into cylinder F01M 11/08)
F01M 3/02
.
with variable proportion of lubricant to fuel, lubricant to air, or lubricant to fuel-air-mixture
F01M 3/04
.
for upper cylinder lubrication only
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Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P 11/08); lubrication means facilitating engine starting
F01M 5/001
.
{
Heating
}
F01M 5/002
.
{
Cooling
}
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F01M 5/005
.
{
Controlling temperature of lubricant
}
F01M 5/007
. .
{
Thermostatic control
}
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F01M 5/02
.
Conditioning lubricant for aiding engine starting, e.g. heating
F01M 5/021
. .
{
by heating
}
F01M 5/025
. .
{
by prelubricating, e.g. using an accumulator
}
F01M 5/04
. .
Diluting, e.g. with fuel
Lubrication means specially adapted for machine or engine running-in
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Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M 1/00 to F01M 7/00
F01M 9/02
.
having means for introducing additives to lubricant
F01M 9/04
.
Use of fuel as lubricant
F01M 9/06
.
Dip or splash lubrication
F01M 9/08
.
Drip lubrication
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F01M 9/10
.
Lubrication of valve gear or auxiliaries
F01M 9/101
. .
{
of cam surfaces
}
F01M 9/102
. .
{
of camshaft bearings
}
F01M 9/103
. .
{
of valve stem and guide
}
F01M 9/104
. .
{
of tappets
}
F01M 9/105
. .
{
using distribution conduits
}
F01M 9/106
. .
{
Oil reservoirs
}
F01M 9/107
. .
{
of rocker shaft bearings
}
F01M 9/108
. .
{
of auxiliaries
}
F01M 9/109
. .
{
of rotary slide or sleeve valves
}
F01M 9/12
.
Non-pressurised lubrication, or non-closed-circuit lubrication, not otherwise provided for
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Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M 1/00 to F01M 9/00
F01M 11/0004
.
{
Oilsumps
}
F01M 11/02
.
Arrangements of lubricant conduits
.
Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D)
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F01M 11/04
.
Filling or draining lubricant of or from machines or engines
F01M 11/0408
. .
{
Sump drainage devices, e.g. valves, plugs
}
F01M 11/045
. .
{
Removing lubricant by suction
}
F01M 11/0458
. .
{
Lubricant filling and draining
}
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F01M 11/06
.
Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
F01M 11/061
. .
{
Means for keeping lubricant level constant
}
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F01M 11/062
. .
{
Accommodating movement or position of machines or engines, e.g. dry sumps
}
F01M 11/064
. . .
{
Movement
}
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F01M 11/065
. . .
{
Position
}
F01M 11/067
. . . .
{
inverted, e.g. for inverted flight
}
.
Separating lubricant from air or fuel-air mixture before entry into cylinder (separating in general B01D)
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F01M 11/10
.
Indicating devices; Other safety devices
F01M 11/12
. .
concerning lubricant level
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Crankcase ventilating or breathing
F01M 13/0011
.
{
Breather valves
}
F01M 13/0033
.
{
Breather inlet-air filters
}
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F01M 13/02
.
by means of additional source of positive or negative pressure
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F01M 13/021
. .
{
of negative pressure
}
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F01M 13/022
. . .
{
using engine inlet suction
}
F01M 13/023
. . . .
{
Control valves in suction conduit
}
F01M 13/025
. . . .
{
with an inlet-conduit via an air-filter
}
F01M 13/028
. .
{
of positive pressure
}
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.
having means for purifying air before leaving crankcase, e.g. removing oil
F01M 13/0405
. .
{
arranged in covering members apertures, e.g. caps
}
F01M 13/0416
. .
{
arranged in valve-covers
}
F01M 13/06
.
specially adapted for submersible engines, e.g. of armoured vehicles
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F01M 2001/00
Pressure lubrication
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F01M 2001/02
.
using lubricating pumps (pumps in general F04; lubricating pumps per se F16N)
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F01M 2001/0207
. .
characterised by the type of pump
F01M 2001/0215
. . .
Electrical pumps
F01M 2001/0223
. . .
Electromagnetic pumps
F01M 2001/023
. . .
Piston pumps
F01M 2001/0238
. . .
Rotary pumps
F01M 2001/0246
. . .
Adjustable pumps
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F01M 2001/0253
. .
characterised by the pump driving means
F01M 2001/0261
. . .
driven by the camshaft
F01M 2001/0269
. . .
driven by the crankshaft
F01M 2001/0276
. . .
driven by a balancer shaft
F01M 2001/0284
. .
mounting of the pump
F01M 2001/0292
. .
Sealings
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F01M 2001/06
.
Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores (crankshafts, connecting-rods, per se F16C)
F01M 2001/062
. .
Crankshaft with passageways
F01M 2001/064
. .
Camshaft with passageways
F01M 2001/066
. .
Connecting rod with passageways
F01M 2001/068
. .
Bakance shaft with passageways
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F01M 2001/08
.
Lubricating systems characterised by the provision therein of lubricant jetting means
F01M 2001/083
. .
for lubricating cylinders
F01M 2001/086
. .
for lubricating gudgeon pins
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F01M 2001/10
.
Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
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F01M 2001/1007
. .
characterised by the purification means combined with other functions
F01M 2001/1014
. . .
comprising supply of additives
F01M 2001/1021
. . .
comprising self cleaning systems
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F01M 2001/1028
. .
characterised by the type of purification
F01M 2001/1035
. . .
comprising centrifugal filters
F01M 2001/1042
. . .
comprising magnetic parts
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F01M 2001/105
. .
characterised by the layout of the purification arrangements
F01M 2001/1057
. . .
comprising a plurality of filters, parallel or serial
F01M 2001/1064
. . .
comprising drains for oil to the carter, e.g. to recover spilled oil during change of filters
F01M 2001/1071
. . .
comprising oil tanks
F01M 2001/1078
. . .
comprising an oil pick-up tube to oil pump, e.g. strainer
F01M 2001/1085
. . .
comprising non-return valves
F01M 2001/1092
. . .
comprising valves bypassing the filter
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F01M 2001/12
.
Closed-circuit lubricating systems not provided for in groups F01M 1/02 to F01M 1/10
F01M 2001/123
. .
using two or more pumps
F01M 2001/126
. .
Dry-sumps
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F01M 2001/16
.
Controlling lubricant pressure or quantity (rendering machines or engines inoperative or idling on lubricant pressure failure F01M 1/22)
F01M 2001/165
. .
according to fuel dilution in oil
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F01M 2005/00
Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P 11/08); lubrication means facilitating engine starting
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F01M 2005/002
.
{
Cooling
}
F01M 2005/004
. .
Oil-cooled engines
F01M 2005/008
.
Lubrication means facilitating engine starting
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F01M 2005/02
.
Conditioning lubricant for aiding engine starting, e.g. heating
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F01M 2005/021
. .
{
by heating
}
F01M 2005/023
. . .
Oil sump with partition for faciliting heating of oil during starting
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F01M 2005/025
. .
{
by prelubricating, e.g. using an accumulator
}
F01M 2005/026
. . .
with an auxiliary pump
F01M 2005/028
. . .
with a reservoir under pressure
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F01M 2011/00
Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M 1/00 to F01M 9/00
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F01M 2011/0004
.
{
Oilsumps
}
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F01M 2011/0008
. .
with means for reducing vibrations
F01M 2011/0012
. . .
with acoustic insulation
F01M 2011/0016
. .
with thermic insulation
F01M 2011/002
. .
with means for improving the stiffness
F01M 2011/0025
. .
with heat exchangers
F01M 2011/0029
. .
with oil filters
F01M 2011/0033
. .
with special means for guiding the return of oil into the sump
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F01M 2011/0037
. .
with different oil compartments
F01M 2011/0041
. . .
for accommodating movement or position of engines
F01M 2011/0045
. . .
for controlling the oil temperature
F01M 2011/005
. .
with special anti-turbulence means, e.g. anti-foaming means or intermediate plates
F01M 2011/0054
. .
Fastening to the cylinder block
F01M 2011/0058
. .
Fastening to the transmission
F01M 2011/0062
. .
Gaskets
F01M 2011/0066
. .
with passages in the wall, e.g. for axles or fluid passages
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F01M 2011/007
. .
Oil pickup tube to oil pump, e.g. strainer
F01M 2011/0075
. . .
with a plurality of tubes
F01M 2011/0079
. .
with the oil pump integrated or fixed to sump
F01M 2011/0083
. .
Dry sumps
F01M 2011/0087
. .
Sump being made of different parts
F01M 2011/0091
. .
characterised by used materials
F01M 2011/0095
.
Supplementary oil tank
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F01M 2011/02
.
Arrangements of lubricant conduits
F01M 2011/021
. .
for lubricating auxiliaries, e.g. pumps or turbo chargers
F01M 2011/022
. .
for lubricating cylinders
F01M 2011/023
. .
between oil sump and cylinder head
F01M 2011/025
. .
for lubricating gudgeon pins
F01M 2011/026
. .
for lubricating crankshaft bearings
F01M 2011/027
. .
for lubricating connecting rod bearings
F01M 2011/028
. .
for lubricating balance shafts
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F01M 2011/03
.
Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D)
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F01M 2011/031
. .
characterised by mounting means
F01M 2011/033
. . .
comprising coolers or heat exchangers
F01M 2011/035
. . .
comprising oil pumps
F01M 2011/036
. . .
comprising pumps for the cooling circuit
F01M 2011/038
. . .
comprising lubricant-air separators
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F01M 2011/04
.
Filling or draining lubricant of or from machines or engines
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F01M 2011/0408
. .
{
Sump drainage devices, e.g. valves, plugs
}
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F01M 2011/0416
. . .
Plugs
F01M 2011/0425
. . . .
with a device facilitating the change of oil
F01M 2011/0433
. . . .
with a device defining the lubricant level during filling
F01M 2011/0441
. . . .
for measuring the lubricant level
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F01M 2011/0458
. .
{
Lubricant filling and draining
}
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F01M 2011/0466
. . .
Filling or draining during running
F01M 2011/0475
. . . .
with combustion of used lubricant in the engine
F01M 2011/0483
. .
with a lubricant cartridge for facilitating the change
F01M 2011/0491
. .
Filing cap with special features
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F01M 2011/06
.
Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
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F01M 2011/062
. .
{
Accommodating movement or position of machines or engines, e.g. dry sumps
}
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F01M 2011/065
. . .
{
Position
}
F01M 2011/068
. . . .
with internal reservoir
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F01M 2011/10
.
Indicating devices; Other safety devices
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F01M 2011/14
. .
for indicating the necessity to change the oil
F01M 2011/1406
. . .
by considering acidity
F01M 2011/1413
. . .
by considering dielectric properties
F01M 2011/142
. . .
by considering speed, e.g. revolutions per minute [RPM]
F01M 2011/1426
. . .
by considering distance
F01M 2011/1433
. . .
by considering load
F01M 2011/144
. . .
by considering magnetic properties of the oil
F01M 2011/1446
. . .
by considering pressure
F01M 2011/1453
. . .
by considering oil quantity
F01M 2011/146
. . .
by considering moisture level
F01M 2011/1466
. . .
by considering quantity of soot
F01M 2011/1473
. . .
by considering temperature
F01M 2011/148
. . .
by considering viscosity
F01M 2011/1486
. . .
by considering duration of operation
F01M 2011/1493
. . .
by considering total base number [TBN]
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F01M 2013/00
Crankcase ventilating or breathing
F01M 2013/0005
.
with systems regulating the pressure in the carter
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F01M 2013/0011
.
{
Breather valves
}
F01M 2013/0016
. .
with a membrane
F01M 2013/0022
. .
electromagnetic
F01M 2013/0027
. .
with a de-icing or defrosting system
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F01M 2013/0038
.
Layout of crankcase breathing systems
F01M 2013/0044
. .
with one or more valves
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F01M 2013/005
. .
having one or more deoilers
F01M 2013/0055
. . .
with a by-pass
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F01M 2013/0061
. . .
having a plurality of deoilers
F01M 2013/0066
. . . .
in parallel
F01M 2013/0072
. . . .
in series
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F01M 2013/0077
.
Engine parameters used for crankcase breather systems
F01M 2013/0083
. .
Crankcase pressure
F01M 2013/0088
. .
Rotation speed
F01M 2013/0094
. .
Engine load
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F01M 2013/02
.
by means of additional source of positive or negative pressure
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F01M 2013/021
. .
{
of negative pressure
}
F01M 2013/026
. . .
with a pump sucking air or clowby gas from the carter
F01M 2013/027
. . .
with a turbo charger or compressor
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F01M 2013/04
.
having means for purifying air before leaving crankcase, e.g. removing oil
F01M 2013/0411
. .
using cooling means
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F01M 2013/0422
. .
Separating oil and gas with a centrifuge device
F01M 2013/0427
. . .
the centrifuge device having no rotating part, e..g cyclone
F01M 2013/0433
. .
with a deflection device, e.g. screen
F01M 2013/0438
. .
with a filter
F01M 2013/0444
. .
with means for accomodating movement or position of engines
F01M 2013/045
. .
using compression or decompression of the gas
F01M 2013/0455
. .
with a de-icing or defrosting system (for breathing valves F01M 2013/0027)
F01M 2013/0461
. .
with a labyrinth
F01M 2013/0466
. .
with electrostatic means
F01M 2013/0472
. .
using heating means
F01M 2013/0477
. .
by separating water or moisture
F01M 2013/0483
. .
using catalysis
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F01M 2013/0488
. .
with oil trap in the return conduit to the crankcase
F01M 2013/0494
. . .
using check valves
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F01M 2250/00
Measuring
F01M 2250/60
.
Operating parameters
F01M 2250/62
.
Load
F01M 2250/64
.
Number of revolutions
F01M 2250/66
.
Vehicle speed
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Last Modified: 10/10/2013