Skip over navigation
Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
Collapse
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).

Collapse
Pressure lubrication
Collapse
.
using lubricating pumps (pumps in general F04; lubricating pumps per se F16N)
Collapse
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
}
Collapse
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
}
F01M 1/04
.
using pressure in working cylinder or crankcase to operate lubricant feeding devices
Collapse
.
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
}
Collapse
F01M 1/08
.
Lubricating systems characterised by the provision therein of lubricant jetting means
F01M 2001/083
. .
{
for lubricating cylinders
}
F01M 2001/086
. .
{
for lubricating gudgeon pins
}
Collapse
F01M 1/10
.
Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
Collapse
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
}
Collapse
F01M 2001/1028
. .
{
characterised by the type of purification
}
F01M 2001/1035
. . .
{
comprising centrifugal filters
}
F01M 2001/1042
. . .
{
comprising magnetic parts
}
Collapse
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
}
Collapse
F01M 1/12
.
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
}
.
Timed lubrication (F01M 1/08 takes precedence)
Collapse
F01M 1/16
.
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
}
Collapse
.
Indicating or safety devices (concerning lubricant level F01M 11/06, F01M 11/12)
Collapse
F01M 1/20
. .
concerning lubricant pressure
Collapse
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
Collapse
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
Collapse
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
}
Collapse
F01M 5/002
.
{
Cooling
}
F01M 2005/004
. .
{
Oil-cooled engines
}
Collapse
F01M 5/005
.
{
Controlling temperature of lubricant
}
F01M 5/007
. .
{
Thermostatic control
}
F01M 2005/008
.
{
Lubrication means facilitating engine starting
}
Collapse
F01M 5/02
.
Conditioning lubricant for aiding engine starting, e.g. heating
Collapse
F01M 5/021
. .
{
by heating
}
F01M 2005/023
. . .
{
Oil sump with partition for faciliting heating of oil during starting
}
Collapse
F01M 5/025
. .
{
by prelubricating, e.g. using an accumulator
}
F01M 2005/026
. . .
{
with an auxiliary pump
}
F01M 2005/028
. . .
{
with a reservoir under pressure
}
F01M 5/04
. .
Diluting, e.g. with fuel
Lubrication means specially adapted for machine or engine running-in
Collapse
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
Collapse
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
Collapse
Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M 1/00 to F01M 9/00
Collapse
F01M 11/0004
.
{
Oilsumps
}
Collapse
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
}
Collapse
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
}
Collapse
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
}
Collapse
F01M 11/02
.
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
}
Collapse
.
Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D)
Collapse
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
}
Collapse
F01M 11/04
.
Filling or draining lubricant of or from machines or engines
Collapse
F01M 11/0408
. .
{
Sump drainage devices, e.g. valves, plugs
}
Collapse
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
}
F01M 11/045
. .
{
Removing lubricant by suction
}
Collapse
F01M 11/0458
. .
{
Lubricant filling and draining
}
Collapse
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
}
Collapse
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
}
Collapse
F01M 11/062
. .
{
Accommodating movement or position of machines or engines, e.g. dry sumps
}
F01M 11/064
. . .
{
Movement
}
Collapse
F01M 11/065
. . .
{
Position
}
F01M 11/067
. . . .
{
inverted, e.g. for inverted flight
}
F01M 2011/068
. . . .
{
with internal reservoir
}
.
Separating lubricant from air or fuel-air mixture before entry into cylinder (separating in general B01D)
Collapse
F01M 11/10
.
Indicating devices; Other safety devices
F01M 11/12
. .
concerning lubricant level
Collapse
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]
}
Collapse
Crankcase ventilating or breathing
F01M 2013/0005
.
{
with systems regulating the pressure in the carter
}
Collapse
F01M 13/0011
.
{
Breather valves
}
F01M 2013/0016
. .
{
with a membrane
}
F01M 2013/0022
. .
{
electromagnetic
}
F01M 2013/0027
. .
{
with a de-icing or defrosting system
}
F01M 13/0033
.
{
Breather inlet-air filters
}
Collapse
F01M 2013/0038
.
{
Layout of crankcase breathing systems
}
F01M 2013/0044
. .
{
with one or more valves
}
Collapse
F01M 2013/005
. .
{
having one or more deoilers
}
F01M 2013/0055
. . .
{
with a by-pass
}
Collapse
F01M 2013/0061
. . .
{
having a plurality of deoilers
}
F01M 2013/0066
. . . .
{
in parallel
}
F01M 2013/0072
. . . .
{
in series
}
Collapse
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
}
Collapse
F01M 13/02
.
by means of additional source of positive or negative pressure
Collapse
F01M 13/021
. .
{
of negative pressure
}
Collapse
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 2013/026
. . .
{
with a pump sucking air or clowby gas from the carter
}
F01M 2013/027
. . .
{
with a turbo charger or compressor
}
F01M 13/028
. .
{
of positive pressure
}
Collapse
.
having means for purifying air before leaving crankcase, e.g. removing oil
F01M 13/0405
. .
{
arranged in covering members apertures, e.g. caps
}
F01M 2013/0411
. .
{
using cooling means
}
F01M 13/0416
. .
{
arranged in valve-covers
}
Collapse
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
}
Collapse
F01M 2013/0488
. .
{
with oil trap in the return conduit to the crankcase
}
F01M 2013/0494
. . .
{
using check valves
}
F01M 13/06
.
specially adapted for submersible engines, e.g. of armoured vehicles
Collapse
F01M 2250/00
Measuring
F01M 2250/60
.
Operating parameters
F01M 2250/62
.
Load
F01M 2250/64
.
Number of revolutions
F01M 2250/66
.
Vehicle speed
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013