Patents for F01M 13 - Crankcase ventilating or breathing (5,172)
07/1981
07/21/1981USRE30682 Crankcase emission separator and collector
07/21/1981US4279236 Automotive fuel saving system
06/1981
06/09/1981US4272371 Lubricating oil filter-refiner for internal combustion engines
06/02/1981US4270508 Combustion control system
05/1981
05/26/1981US4269607 Air-oil separator and method of separation
05/19/1981US4267941 Breather cap
04/1981
04/22/1981EP0027108A1 Crankcase breather
03/1981
03/24/1981US4257383 Crankcase vacuum system
03/24/1981CA1098053A1 Hydraulic separating device with automatic flow control
03/10/1981US4255170 Venting device for the housing of a rotary machine
01/1981
01/27/1981US4246880 Arrangement for heating the intake pipe of a spark-ignited internal combustion engine
01/27/1981CA1094416A1 Crankcase ventilation valve for internal combustion engines
01/20/1981US4245592 Controlled flow purge system and apparatus
01/13/1981CA1093471A1 Exhaust system for straddle carrier engine
11/1980
11/18/1980US4234328 Oil separator device
10/1980
10/30/1980WO1980002310A1 Crankcase breather
10/16/1980WO1980002119A1 Centrifugal separator
10/14/1980US4227969 For use with internal combustion engines
08/1980
08/19/1980US4217870 Venting valve for crankcases of reciprocable piston internal combustion engines
08/19/1980CA1083906A1 Crankcase ventilation
08/12/1980US4217120 Air-oil separator for aircraft gearbox
07/1980
07/22/1980US4213770 Engine emission pollutant separator
06/1980
06/24/1980CA1080058A1 Internal combustion engine gas-oil separator
06/03/1980US4205642 Cover for a ventilation valve
05/1980
05/27/1980US4204504 Fuel heating, air metering valve unit for engine air inlet system
04/1980
04/15/1980US4197703 Exhaust system for straddle carrier engines
04/08/1980CA1075172A1 Air oil separator for aircraft gearbox
04/01/1980US4195607 Blow-by gas recirculating device
02/1980
02/19/1980US4189351 Oil reclamation device
02/19/1980CA1071955A1 Gas-contaminant separator
01/1980
01/22/1980US4184858 Engine emission control device
12/1979
12/25/1979CA1068566A Engine positive crankcase ventilation valve assembly
11/1979
11/27/1979US4175937 Gas-contaminant separator
10/1979
10/30/1979US4172437 PCV flow regulator
10/23/1979US4171733 Speed-responsive valve control for intake manifold to crankcase in internal combustion engine
10/02/1979US4169432 Integrated PCV valve and oil filler cap
09/1979
09/11/1979US4167164 Crankcase ventilation valve for internal combustion engines
06/1979
06/19/1979US4158353 Positive crank case ventilation valve and internal combustion engine including the same
05/1979
05/29/1979US4156406 Internal combustion engine gas-oil separator
04/1979
04/03/1979US4147630 Hydraulic separating device with automatic flow control
02/1979
02/06/1979US4137878 Supplementary carburetor
01/1979
01/30/1979US4136650 Crankcase oil vapor recovery system
12/1978
12/19/1978CA1044543A1 Combination of a crankcase ventilation system and an air-fuel ratio control system for an engine
11/1978
11/07/1978US4124011 System for preventing outflow of oil from an oil filler port
11/07/1978US4124007 Fixed metered orifice device for PCV systems of internal combustion engines
09/1978
09/19/1978CA1038778A1 Demister assembly for removing liquids from gases
09/12/1978US4113452 Gas/liquid separator
08/1978
08/29/1978CA1037331A1 Thermostatic device for automatic choke control
08/15/1978US4106442 Device for increasing fuel economy of an internal combustion engine
08/01/1978US4103655 Internal combustion engine
08/01/1978US4103650 Horizontal type diesel engine
07/1978
07/25/1978US4102314 Crankcase ventilation
07/18/1978US4100898 Combination crankcase ventilation valve and supplementary carburetor
05/1978
05/23/1978US4090477 Method of improving operation of internal combustion engines
05/16/1978US4089309 Crankcase emission separator and collector
04/1978
04/04/1978US4082071 Engine vent vapor filter and method of constructing same
01/1978
01/17/1978US4068636 Thermostatic device for automatic choke control
01/17/1978US4068635 Pressure vent
12/1977
12/27/1977US4064853 Internal combustion engine with a pressure-compensating arrangement in the crankcase of the engine
11/1977
11/01/1977US4056085 Engine positive crankcase ventilation valve assembly
09/1977
09/27/1977US4050237 Demister assembly for removing liquids from gases
09/20/1977US4049401 Apparatus for separating suspensions of liquids in gas
05/1977
05/03/1977US4020850 Thermoplastic cigarette wrapper
04/1977
04/19/1977US4018580 Separator for separating liquid droplets from a stream of gas
03/1977
03/22/1977US4013051 Automotive crankcase emission control system
03/15/1977US4011846 Anti-pollution device
11/1976
11/09/1976US3990489 Oil filler cap
11/09/1976US3990419 Air cleaner for use with an internal combustion engine
09/1976
09/07/1976US3978671 Duplex engine oil separator
07/1976
07/06/1976US3967605 Intake vacuum controlled manifold vacuum spoiler
04/1976
04/13/1976US3949719 Volumetric control valve unit for crankcase ventilation system
03/1976
03/30/1976US3946710 Supplemental air valves and supplemental air systems for internal combustion engines
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