Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01M - Lubricating of machines or engines in general; Lubricating internal-combustion engines; Crankcase ventilating › F01M 1 - Pressure lubrication
Patents for F01M 1 - Pressure lubrication (8,385)
02/1992
02/25/1992US5091078 Oil filtration circuit for a belt-type transmission
02/25/1992US5090375 Valve gear oiling system for overhead camshaft engine
02/13/1992DE4025104A1 Oil pressure level display, esp. for internal combustion engine - has evaluation circuit computing desired pressure from engine revolution rate and oil temp.
02/05/1992EP0469332A1 Method for changing valve timing in an internal combustion engine
02/04/1992US5085188 Modular lubrication/filter system
02/04/1992US5085187 Integral engine oil pump and pressure regulator
02/04/1992US5085181 Electro/hydraulic variable valve timing system
01/1992
01/22/1992CN1015320B Conduit for distributing of lubricant
01/15/1992EP0466542A1 Cylinder block for an engine comprising a carter vapour evacuation and oil recycling circuit
01/09/1992DE4038549C1 IC engine oil pressure regulator - has piston control chamber connected to oil circuit pump assembly
01/09/1992DE4019914A1 Monitor circuit for oil pressure switch on IC engine - has electronic switch in series with capacitor supply for time delay protection
01/08/1992EP0464626A1 Assembled oil cooled piston for diesel engines
01/07/1992US5078233 Oil supply system for machines such as internal combustion engines
01/07/1992US5078106 V-type engine lubrication system
01/02/1992EP0463289A1 Valve, especially for the lubricating oil filter of a combustion engine
01/01/1992CN1015278B Internal combustion engine noise reduction plate
12/1991
12/31/1991US5076397 Oil condition checking system for marine propulsion unit
12/27/1991EP0462358A1 Lubricating oil permeable cylinder wall ring
12/18/1991CN1015125B Lubricating device for cylinder liner of reciprocating ic engine
12/17/1991US5072809 Lubricating device for four stroke outboard motor
12/17/1991US5072699 Internal combustion engine
12/11/1991EP0460988A1 Drive mechanism having a camshaft and force transmission means with roller
12/10/1991US5070832 Engine protection system
12/08/1991WO1991019310A1 Differential pressure transducer
11/1991
11/26/1991US5067453 Piston of two-cycle engine
11/26/1991US5067393 Piston head block for internal combustion engine
11/21/1991EP0457489A1 I.C. engines
11/20/1991CN2089074U Bush protector
11/19/1991US5065841 Lubricating system for a vertical shaft engine
11/19/1991US5065707 Oil-cooled cylinder head
11/12/1991US5063897 Accessory drive arrangement for engine
11/12/1991US5063895 Oil pump drive arrangement for a piston internal-combustion engine and method of making same
11/06/1991EP0454799A1 Pressure valve.
11/06/1991CN2088167U Airstream muffler
11/05/1991US5062401 Fuel supplying device for marine propulsion unit
11/05/1991US5062311 Frame, crankshaft and crosshead assembly, and a crankshaft and crosshead frame, for a reciprocating-piston machine
10/1991
10/31/1991DE4112889A1 Piston with passageways for cooling medium - is made in two parts which are welded together
10/30/1991CN2087692U Parallel-connected oil feeder for internal-combustion engine
10/17/1991WO1991015658A1 Radial internal combustion engine
10/17/1991DE4011535A1 Piston for IC engine - has several compression ring below which is oil scraper ring with pressure unloading holes leading from its groove to piston interior
10/16/1991EP0356474B1 Channel for distributing lubricating oil
10/09/1991EP0451011A1 Piston for internal-combustion engines
10/09/1991EP0450679A2 Journal bearing
10/07/1991CA2039872A1 Radial internal combustion engine
10/01/1991US5052355 Lubrication system for two cycle engine
10/01/1991US5052280 Coolable trunk piston for internal combustion engines
09/1991
09/19/1991WO1991014083A1 Engine lubrication system with shared oil filter
09/04/1991EP0268684B1 Monitoring system for maintenance of car
08/1991
08/29/1991DE4005906A1 Variable-compression IC piston - has sliding crown and has filter in oil passage to control chambers
08/28/1991EP0443092A1 Retarder of the lubricant flow
08/20/1991US5040366 Fluid transfer device
08/13/1991US5039285 Lubrication system of connecting rod, piston, and wrist pin for a compressor
08/13/1991US5038890 Oil pan structure for internal combustion engine
08/08/1991DE4007939C1 Oil return system from IC engine cylinder head to sump - has oil return line completely outside engine block, and collector on cylinder head casing outside
08/08/1991DE4003663A1 Rotary piston IC engine - has body of eccentric bearing has bores on both sides on its axial inner edges which line up with bores in piston
08/06/1991US5037340 Lubricating device for four stroke outboard motor
07/1991
07/31/1991CN1053477A 旋转压缩机 Rotary compressor
07/24/1991EP0438121A1 Variable compression ratio apparatus for internal combustion engine
07/24/1991EP0437677A1 Lubrication system of connecting rod, piston, and wrist pin for a compressor
07/23/1991US5033585 Device for controlling lubricant flow
07/19/1991CA2026996A1 Lubrication system of connecting rod, piston, and wrist pin for a compressor
07/16/1991US5031580 Oil lubricating and cooling system for engines
07/16/1991CA1286173C Lubricating system for an engine balancing device
07/16/1991CA1286172C Mounting of an engine balancing device
07/16/1991CA1286171C Engine balancing device with a lubricant side discharge
06/1991
06/18/1991US5024294 Differential pressure transducer
06/18/1991US5024287 Engine unit for vehicle
06/18/1991US5024190 Oil supply device for two cycle engine
06/13/1991WO1991008381A1 Valve arrangement
06/12/1991CN2078810U Safety automatic protection for diesel engine
06/12/1991CN2078808U High-efficient silencing apparatus
06/12/1991CN1012835B Monitor-type dynamic hydraulic oil lubricator
05/1991
05/30/1991WO1991007586A1 Pressure valve
05/28/1991US5018491 Auxiliary oil pumping and draining system
05/28/1991US5018488 Internal combustion engine
05/22/1991EP0428418A1 Oil recovery system for two-stroke internal combustion engines with separate lubrication
05/16/1991DE3937708A1 Pressure valve for IC engine fuel line - has slow continuous opening of connection pump working chamber-fuel line
05/14/1991US5014820 Engine prelubricator and pressurized lubricant reservoir
05/14/1991US5014658 Piston assembly having a fusible core to form a cooling channel and a method for the manufacture thereof
05/07/1991US5012775 Two-cycle engine
05/07/1991US5012773 Intake- and/or exhaust-valve timing control system for internal combustion engine
05/02/1991EP0424652A1 Oil passage in a transmission casing
04/1991
04/30/1991US5011387 Rotary piston internal combustion engine
04/24/1991EP0423830A1 Piston cooling nozzle
04/24/1991CN2075698U Safety device for lubrication system of ic enging
04/23/1991US5009522 Reduced flow bearing
04/17/1991EP0422028A1 Engine and gearbox assemblies
04/11/1991DE4022723A1 Engine lubricating oil filter
04/10/1991EP0421263A1 Lubrication control system for rotary piston engine
04/10/1991EP0421080A1 Liquid filter for the lubrication oil of an internal combustion engine
04/10/1991CN2074815U Automatic alarm stop device for diesel engine
04/09/1991US5005541 Hydraulic valve lifter
04/04/1991WO1991004415A1 Capacity control circuit for variable capacity pump
04/04/1991DE4029428A1 IC engine with crankshaft - has crank web with cam profile driving oil pump
04/04/1991DE3932269A1 Pressure relief valve - with seat for valve element punched in the sealing plate
04/02/1991US5003937 Valve operating system for internal combustion engine
03/1991
03/26/1991US5002025 Lubricating oil permeable cylinder wall ring
03/20/1991CN2073478U Protective device of internal combustion engine
03/19/1991US5000143 Engine lubrication system with shared oil filter
03/19/1991US5000142 Chain cover apparatus for engine
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