1. CPC Sections
  2. CPC Section F
  3. CPC Class F01
  4. CPC Subclass F01M
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​​
F01M
LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING [2018-08]
NOTE

  • Attention is drawn to the notes preceding class F01, specially as regards Note (3).
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
F01M 1/00
Pressure lubrication [2013-01]
F01M 1/02
.
using lubricating pumps (pumps in general F04; lubricating pumps per se F16N) [2013-01]
F01M 2001/0207
. .
{characterised by the type of pump} [2013-01]
F01M 2001/0215
. . .
{Electrical pumps} [2013-01]
F01M 2001/0223
. . .
{Electromagnetic pumps} [2013-01]
F01M 2001/023
. . .
{Piston pumps} [2013-01]
F01M 2001/0238
. . .
{Rotary pumps} [2013-01]
F01M 2001/0246
. . .
{Adjustable pumps} [2013-01]
F01M 2001/0253
. .
{characterised by the pump driving means} [2013-01]
F01M 2001/0261
. . .
{driven by the camshaft} [2013-01]
F01M 2001/0269
. . .
{driven by the crankshaft} [2013-01]
F01M 2001/0276
. . .
{driven by a balancer shaft} [2013-01]
F01M 2001/0284
. .
{mounting of the pump} [2013-01]
F01M 2001/0292
. .
{Sealings} [2013-01]
F01M 1/04
.
using pressure in working cylinder or crankcase to operate lubricant feeding devices [2013-01]
F01M 1/06
.
Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores (crankshafts, connecting-rods, per se F16C) [2013-01]
F01M 2001/062
. .
{Crankshaft with passageways} [2013-01]
F01M 2001/064
. .
{Camshaft with passageways} [2013-01]
F01M 2001/066
. .
{Connecting rod with passageways} [2013-01]
F01M 2001/068
. .
{Bakance shaft with passageways} [2013-01]
F01M 1/08
.
Lubricating systems characterised by the provision therein of lubricant jetting means [2013-01]
F01M 2001/083
. .
{for lubricating cylinders} [2013-01]
F01M 2001/086
. .
{for lubricating gudgeon pins} [2013-01]
F01M 1/10
.
Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters [2013-01]
F01M 2001/1007
. .
{characterised by the purification means combined with other functions} [2013-01]
F01M 2001/1014
. . .
{comprising supply of additives} [2013-01]
F01M 2001/1021
. . .
{comprising self cleaning systems} [2013-01]
F01M 2001/1028
. .
{characterised by the type of purification} [2013-01]
F01M 2001/1035
. . .
{comprising centrifugal filters} [2013-01]
F01M 2001/1042
. . .
{comprising magnetic parts} [2013-01]
F01M 2001/105
. .
{characterised by the layout of the purification arrangements} [2013-01]
F01M 2001/1057
. . .
{comprising a plurality of filters, parallel or serial} [2013-01]
F01M 2001/1064
. . .
{comprising drains for oil to the carter, e.g. to recover spilled oil during change of filters} [2013-01]
F01M 2001/1071
. . .
{comprising oil tanks} [2013-01]
F01M 2001/1078
. . .
{comprising an oil pick-up tube to oil pump, e.g. strainer} [2013-01]
F01M 2001/1085
. . .
{comprising non-return valves} [2013-01]
F01M 2001/1092
. . .
{comprising valves bypassing the filter} [2013-01]
F01M 1/12
.
Closed-circuit lubricating systems not provided for in groups F01M 1/02 - F01M 1/10 [2016-05]
F01M 2001/123
. .
{using two or more pumps} [2013-01]
F01M 2001/126
. .
{Dry-sumps} [2013-01]
F01M 1/14
.
Timed lubrication (F01M 1/08 takes precedence) [2013-01]
F01M 1/16
.
Controlling lubricant pressure or quantity (rendering machines or engines inoperative or idling on lubricant pressure failure F01M 1/22) [2013-01]
F01M 2001/165
. .
{according to fuel dilution in oil} [2013-01]
F01M 1/18
.
Indicating or safety devices (concerning lubricant level F01M 11/06, F01M 11/12) [2013-01]
F01M 1/20
. .
concerning lubricant pressure [2013-01]
F01M 1/22
. . .
rendering machines or engines inoperative or idling on pressure failure [2013-01]
F01M 1/24
. . . .
acting on engine fuel system [2013-01]
F01M 1/26
. . . .
acting on engine ignition system [2013-01]
F01M 1/28
. . . .
acting on engine combustion-air supply [2013-01]
F01M 3/00
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) [2013-01]
F01M 3/02
.
with variable proportion of lubricant to fuel, lubricant to air, or lubricant to fuel-air-mixture [2013-01]
F01M 3/04
.
for upper cylinder lubrication only [2013-01]
F01M 5/00
Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P 11/08); Lubrication means facilitating engine starting [2017-08]
F01M 5/001
.
{Heating} [2013-01]
F01M 5/002
.
{Cooling} [2013-01]
F01M 2005/004
. .
{Oil-cooled engines} [2013-01]
F01M 5/005
.
{Controlling temperature of lubricant} [2013-01]
F01M 5/007
. .
{Thermostatic control} [2013-01]
F01M 2005/008
.
{Lubrication means facilitating engine starting} [2013-01]
F01M 5/02
.
Conditioning lubricant for aiding engine starting, e.g. heating [2013-01]
F01M 5/021
. .
{by heating} [2013-01]
F01M 2005/023
. . .
{Oil sump with partition for facilitating heating of oil during starting} [2017-05]
F01M 5/025
. .
{by prelubricating, e.g. using an accumulator} [2013-01]
F01M 2005/026
. . .
{with an auxiliary pump} [2013-01]
F01M 2005/028
. . .
{with a reservoir under pressure} [2013-01]
F01M 5/04
. .
Diluting, e.g. with fuel [2013-01]
F01M 7/00
Lubrication means specially adapted for machine or engine running-in [2013-01]
F01M 9/00
Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M 1/00 - F01M 7/00 [2016-05]
F01M 9/02
.
having means for introducing additives to lubricant [2013-01]
F01M 9/04
.
Use of fuel as lubricant [2013-01]
F01M 9/06
.
Dip or splash lubrication [2013-01]
F01M 9/08
.
Drip lubrication [2013-01]
F01M 9/10
.
Lubrication of valve gear or auxiliaries [2013-01]
F01M 9/101
. .
{of cam surfaces} [2013-01]
F01M 9/102
. .
{of camshaft bearings} [2013-01]
F01M 9/103
. .
{of valve stem and guide} [2013-01]
F01M 9/104
. .
{of tappets} [2013-01]
F01M 9/105
. .
{using distribution conduits} [2013-01]
F01M 9/106
. .
{Oil reservoirs} [2013-01]
F01M 9/107
. .
{of rocker shaft bearings} [2013-01]
F01M 9/108
. .
{of auxiliaries} [2013-01]
F01M 9/109
. .
{of rotary slide or sleeve valves} [2013-01]
F01M 9/12
.
Non-pressurised lubrication, or non-closed-circuit lubrication, not otherwise provided for [2013-01]
F01M 11/00
Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M 1/00 - F01M 9/00 [2016-05]
F01M 11/0004
.
{Oilsumps} [2013-01]
F01M 2011/0008
. .
{with means for reducing vibrations} [2013-01]
F01M 2011/0012
. . .
{with acoustic insulation} [2013-01]
F01M 2011/0016
. .
{with thermic insulation} [2013-01]
F01M 2011/002
. .
{with means for improving the stiffness} [2013-01]
F01M 2011/0025
. .
{with heat exchangers} [2013-01]
F01M 2011/0029
. .
{with oil filters} [2013-01]
F01M 2011/0033
. .
{with special means for guiding the return of oil into the sump} [2013-01]
F01M 2011/0037
. .
{with different oil compartments} [2013-01]
F01M 2011/0041
. . .
{for accommodating movement or position of engines} [2013-01]
F01M 2011/0045
. . .
{for controlling the oil temperature} [2013-01]
F01M 2011/005
. .
{with special anti-turbulence means, e.g. anti-foaming means or intermediate plates} [2013-01]
F01M 2011/0054
. .
{Fastening to the cylinder block} [2013-01]
F01M 2011/0058
. .
{Fastening to the transmission} [2013-01]
F01M 2011/0062
. .
{Gaskets} [2013-01]
F01M 2011/0066
. .
{with passages in the wall, e.g. for axles or fluid passages} [2013-01]
F01M 2011/007
. .
{Oil pickup tube to oil pump, e.g. strainer} [2013-01]
F01M 2011/0075
. . .
{with a plurality of tubes} [2013-01]
F01M 2011/0079
. .
{with the oil pump integrated or fixed to sump} [2013-01]
F01M 2011/0083
. .
{Dry sumps} [2013-01]
F01M 2011/0087
. .
{Sump being made of different parts} [2013-01]
F01M 2011/0091
. .
{characterised by used materials} [2013-01]
F01M 2011/0095
.
{Supplementary oil tank} [2013-01]
F01M 11/02
.
Arrangements of lubricant conduits [2013-01]
F01M 2011/021
. .
{for lubricating auxiliaries, e.g. pumps or turbo chargers} [2013-01]
F01M 2011/022
. .
{for lubricating cylinders} [2013-01]
F01M 2011/023
. .
{between oil sump and cylinder head} [2013-01]
F01M 2011/025
. .
{for lubricating gudgeon pins} [2013-01]
F01M 2011/026
. .
{for lubricating crankshaft bearings} [2013-01]
F01M 2011/027
. .
{for lubricating connecting rod bearings} [2013-01]
F01M 2011/028
. .
{for lubricating balance shafts} [2013-01]
F01M 11/03
.
Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means (filters B01D) [2013-01]
F01M 2011/031
. .
{characterised by mounting means} [2013-01]
F01M 2011/033
. . .
{comprising coolers or heat exchangers} [2013-01]
F01M 2011/035
. . .
{comprising oil pumps} [2013-01]
F01M 2011/036
. . .
{comprising pumps for the cooling circuit} [2013-01]
F01M 2011/038
. . .
{comprising lubricant-air separators} [2013-01]
F01M 11/04
.
Filling or draining lubricant of or from machines or engines [2013-01]
F01M 11/0408
. .
{Sump drainage devices, e.g. valves, plugs} [2013-01]
F01M 2011/0416
. . .
{Plugs} [2013-01]
F01M 2011/0425
. . . .
{with a device facilitating the change of oil} [2013-01]
F01M 2011/0433
. . . .
{with a device defining the lubricant level during filling} [2013-01]
F01M 2011/0441
. . . .
{for measuring the lubricant level} [2013-01]
F01M 11/045
. .
{Removing lubricant by suction} [2013-01]
F01M 11/0458
. .
{Lubricant filling and draining} [2013-01]
F01M 2011/0466
. . .
{Filling or draining during running} [2013-01]
F01M 2011/0475
. . . .
{with combustion of used lubricant in the engine} [2013-01]
F01M 2011/0483
. .
{with a lubricant cartridge for facilitating the change} [2013-01]
F01M 2011/0491
. .
{Filing cap with special features} [2013-01]
F01M 11/06
.
Means for keeping lubricant level constant or for accommodating movement or position of machines or engines [2013-01]
F01M 11/061
. .
{Means for keeping lubricant level constant} [2013-01]
F01M 11/062
. .
{Accommodating movement or position of machines or engines, e.g. dry sumps} [2013-01]
F01M 11/064
. . .
{Movement} [2013-01]
F01M 11/065
. . .
{Position} [2013-01]
F01M 11/067
. . . .
{inverted, e.g. for inverted flight} [2013-01]
F01M 2011/068
. . . .
{with internal reservoir} [2013-01]
F01M 11/08
.
Separating lubricant from air or fuel-air mixture before entry into cylinder (separating in general B01D) [2013-01]
F01M 11/10
.
Indicating devices; Other safety devices [2013-01]
F01M 11/12
. .
concerning lubricant level [2013-01]
F01M 2011/14
. .
{for indicating the necessity to change the oil} [2013-01]
F01M 2011/1406
. . .
{by considering acidity} [2013-01]
F01M 2011/1413
. . .
{by considering dielectric properties} [2013-01]
F01M 2011/142
. . .
{by considering speed, e.g. revolutions per minute [RPM]} [2013-01]
F01M 2011/1426
. . .
{by considering distance} [2013-01]
F01M 2011/1433
. . .
{by considering load} [2013-01]
F01M 2011/144
. . .
{by considering magnetic properties of the oil} [2013-01]
F01M 2011/1446
. . .
{by considering pressure} [2013-01]
F01M 2011/1453
. . .
{by considering oil quantity} [2013-01]
F01M 2011/146
. . .
{by considering moisture level} [2013-01]
F01M 2011/1466
. . .
{by considering quantity of soot} [2013-01]
F01M 2011/1473
. . .
{by considering temperature} [2013-01]
F01M 2011/148
. . .
{by considering viscosity} [2013-01]
F01M 2011/1486
. . .
{by considering duration of operation} [2013-01]
F01M 2011/1493
. . .
{by considering total base number [TBN]} [2013-01]
F01M 13/00
Crankcase ventilating or breathing [2013-01]
F01M 2013/0005
.
{with systems regulating the pressure in the carter} [2013-01]
F01M 13/0011
.
{Breather valves} [2013-01]
F01M 2013/0016
. .
{with a membrane} [2013-01]
F01M 2013/0022
. .
{electromagnetic} [2013-01]
F01M 2013/0027
. .
{with a de-icing or defrosting system} [2013-01]
F01M 13/0033
.
{Breather inlet-air filters} [2013-01]
F01M 2013/0038
.
{Layout of crankcase breathing systems} [2013-01]
F01M 2013/0044
. .
{with one or more valves} [2013-01]
F01M 2013/005
. .
{having one or more deoilers} [2013-01]
F01M 2013/0055
. . .
{with a by-pass} [2013-01]
F01M 2013/0061
. . .
{having a plurality of deoilers} [2013-01]
F01M 2013/0066
. . . .
{in parallel} [2013-01]
F01M 2013/0072
. . . .
{in series} [2013-01]
F01M 2013/0077
.
{Engine parameters used for crankcase breather systems} [2013-01]
F01M 2013/0083
. .
{Crankcase pressure} [2013-01]
F01M 2013/0088
. .
{Rotation speed} [2013-01]
F01M 2013/0094
. .
{Engine load} [2013-01]
F01M 13/02
.
by means of additional source of positive or negative pressure [2013-01]
F01M 13/021
. .
{of negative pressure} [2013-01]
F01M 13/022
. . .
{using engine inlet suction} [2013-01]
F01M 13/023
. . . .
{Control valves in suction conduit} [2013-01]
F01M 13/025
. . . .
{with an inlet-conduit via an air-filter} [2013-01]
F01M 2013/026
. . .
{with pumps sucking air or blow-by gases from the crankcase} [2016-11]
F01M 2013/027
. . .
{with a turbo charger or compressor} [2013-01]
F01M 13/028
. .
{of positive pressure} [2013-01]
F01M 13/04
.
having means for purifying air before leaving crankcase, e.g. removing oil [2013-01]
F01M 13/0405
. .
{arranged in covering members apertures, e.g. caps} [2013-01]
F01M 2013/0411
. .
{using cooling means} [2013-01]
F01M 13/0416
. .
{arranged in valve-covers} [2013-01]
F01M 2013/0422
. .
{Separating oil and gas with a centrifuge device} [2013-01]
F01M 2013/0427
. . .
{the centrifuge device having no rotating part, e.g. cyclone} [2017-05]
F01M 2013/0433
. .
{with a deflection device, e.g. screen} [2013-01]
F01M 2013/0438
. .
{with a filter} [2013-01]
F01M 2013/0444
. .
{with means for accommodating movement or position of engines} [2017-05]
F01M 2013/045
. .
{using compression or decompression of the gas} [2013-01]
F01M 2013/0455
. .
{with a de-icing or defrosting system} [2024-08]
F01M 2013/0461
. .
{with a labyrinth} [2013-01]
F01M 2013/0466
. .
{with electrostatic means} [2013-01]
F01M 2013/0472
. .
{using heating means} [2013-01]
F01M 2013/0477
. .
{by separating water or moisture} [2013-01]
F01M 2013/0483
. .
{using catalysis} [2013-01]
F01M 2013/0488
. .
{with oil trap in the return conduit to the crankcase} [2013-01]
F01M 2013/0494
. . .
{using check valves} [2013-01]
F01M 13/06
.
specially adapted for submersible engines, e.g. of armoured vehicles [2013-01]
F01M 2250/00
Measuring [2013-01]
F01M 2250/60
.
Operating parameters [2013-01]
F01M 2250/62
.
Load [2013-01]
F01M 2250/64
.
Number of revolutions [2013-01]
F01M 2250/66
.
Vehicle speed [2013-01]