Patents for F02B 73 - Combinations of two or more engines, not otherwise provided for (548)
10/1993
10/28/1993WO1993021434A1 Rotary internal combustion engine
10/07/1993DE4210382A1 Combination IC engine with active parts of two engines - has two cylinder groups of same/different capacity, for simultaneous or alternating working
08/1993
08/31/1993US5239830 Plural engine power producing system
08/03/1993CA1320853C Crankshaft phasing mechanism
07/1993
07/20/1993US5228294 Rotary internal combustion engine
06/1993
06/30/1993CN1021469C Multifunctional semi-rotor internal combustion engine
06/24/1993WO1993012334A1 Internal combustion engines
05/1993
05/05/1993CN2131989Y Double action free piston-power locomotive crew
10/1992
10/20/1992US5156122 Self-synchronizing 720 degree clutch for partial crankshafts of split environmental engines
10/15/1992WO1992017693A1 Dual compression and dual expansion internal combustion engine and method therefor
07/1992
07/23/1992DE4206518A1 Twin-cylinder IC engine - is balanced using two counter-rotating crankshafts geared together
06/1992
06/25/1992WO1992010652A1 Combustion engine combination
05/1992
05/21/1992DE4036492A1 Self-synchronising 720 deg. coupling - is for part crankshafts of split-environment engines, and includes internal control gear of screw wheel form
05/13/1992EP0484589A1 Piston engine with 2 banks arranged in a V-configuration
04/1992
04/21/1992US5105775 Two-stroke engine with controlled pneumatic injection
04/02/1992WO1992005348A1 Internal combustion engine with motorcycle thermal parts
03/1992
03/17/1992US5095871 Reciprocating engine with two cylinder banks arranged in a V-shape
03/03/1992US5092293 Crankshaft-systems for split environmental engines and multi-split environmental engines
01/1992
01/21/1992US5081961 Internal combustion engine with rotary exhaust control
12/1991
12/19/1991DE4018943A1 Piston engine for use in regenerative cycles - produces optimum time slope using rotating eccentric transmission
09/1991
09/19/1991WO1991014088A1 Drive assembly, in particular for driving a vehicle
09/11/1991EP0445407A1 Drive unit, especially for driving vehicles
07/1991
07/03/1991EP0435730A1 Two-stroke engine with controlled pneumatic injection
07/03/1991EP0434697A1 Crankshaft phasing mechanism
06/1991
06/06/1991DE4037272A1 Reciprocating piston IC engine - has two crankshafts, and extra space for accessory drives
05/1991
05/16/1991WO1991006751A1 Combustion chamber
04/1991
04/11/1991DE3931644A1 Four-stroke IC engine - consists of two V-six units coupled together by bevel gears
04/02/1991US5004962 Automatic motor synchronizer
04/02/1991US5003935 Internal combustion
02/1991
02/20/1991CN1011725B Engine plant comprising a plurality of turbocharged combustion engines
02/12/1991US4992669 Modular energy system
12/1990
12/13/1990WO1990015234A1 Power installation for a vehicle
11/1990
11/29/1990DE4015701A1 Vehicular drive with piston engine and electric machine - reduces low-speed irregularity of engine by operating machine alternately as booster motor and as brake
10/1990
10/31/1990CN1046583A Combination engine
09/1990
09/18/1990US4957072 Balanced radial engine
09/11/1990US4955328 Leading piston engine with two cylinders interconnected through a transfer port
07/1990
07/03/1990US4938175 Engine, particularly for ultralight aircraft
05/1990
05/02/1990CN1041813A Multifunctional semi-rotor internal combustion engine
03/1990
03/08/1990WO1990002255A1 Crankshaft phasing mechanism
01/1990
01/31/1990CN1006625B Supercharged marine diesel engine
01/23/1990US4894995 Combined internal combustion and hot gas engine
12/1989
12/07/1989DE3824346A1 Internal combustion engine with two cylinder banks
11/1989
11/23/1989EP0343093A2 Internal combustion motor
10/1989
10/31/1989US4876992 Crankshaft phasing mechanism
05/1989
05/17/1989EP0316286A1 An engine particularly for ultralight aircraft
05/03/1989CN1004066B Supercharged marine diesel engine
04/1989
04/18/1989US4822307 Warning device for a watercraft provided with a plurality of marine propulsion engines
03/1989
03/07/1989US4809506 Engine plant comprising a plurality of turbo-charged combustion engines
02/1989
02/07/1989CA1249728A1 Automotive power plant
11/1988
11/30/1988CN88102879A Engine plant comprising a plurality of turbocharged combustion engines
11/29/1988US4787207 Multi-engine plant including turbocharged combustion engines
11/24/1988DE3715750A1 Internal-Combustion Engine
11/10/1988DE3713383A1 Internal combustion engine
10/1988
10/27/1988DE3711863A1 Multiple-engine installation for ships
10/18/1988US4777917 Rotary valve engine with tandem power and supercharger sections
09/1988
09/06/1988US4768607 Freewheel flywheel transmission system
09/01/1988DE3705045A1 Split motor
08/1988
08/02/1988US4760702 Supercharged marine diesel engine
07/1988
07/05/1988US4754606 Composite engine system
05/1988
05/03/1988US4741165 Twin engine Synchronizer
02/1988
02/02/1988US4722308 Engine with split crankshaft and crankshaft half disabling means
01/1988
01/19/1988US4719756 Supercharged marine diesel engine
12/1987
12/02/1987EP0247857A2 Rotary valve engine with tandem power and supercharger sections
11/1987
11/24/1987US4708669 Warning device for a watercraft provided with a plurality of marine propulsion engines
10/1987
10/28/1987CN87100987A Supercharged marine diesel engine
10/22/1987DE3619351A1 Multi-split engine for motor vehicles with split crankshaft and engine transverse shaft for auxiliary unit drives
09/1987
09/09/1987EP0235390A1 Marine diesel engine assembly
07/1987
07/28/1987CA1224677A1 Diesel engine propulsion unit arrangement in a vessel sailing in open waters and ice-breaking
07/15/1987CN86106876A Multi-engine plant including turbocharged combustion engines
05/1987
05/21/1987WO1987003039A1 Two stroke diesel engine having complex piston
05/05/1987US4662490 Clutch system for an internal combustion engine provided with a plurality of engine units
01/1987
01/27/1987US4638637 Vehicle propulsion plant
12/1986
12/23/1986US4630447 Regenerated internal combustion engine
12/02/1986US4625583 Vehicle drive plant
10/1986
10/29/1986EP0199165A1 Supercharged diesel engine
10/22/1986EP0198068A1 Rotary piston engine as an internal combustion engine for independent or in-line operation
10/22/1986CN86102888A Supercharged marine diesel engine
09/1986
09/16/1986US4611466 Vehicle power system comprising an auxiliary engine in combination with the main vehicle engine
08/1986
08/19/1986US4606193 Freewheel flywheel transmission system
06/1986
06/18/1986EP0184685A2 Split-engine for motor-vehicles, with a divided crankshaft, and an engine cross-shaft for auxiliary-drives
06/03/1986US4592311 Intake system for two-cycle multi-cylinder engines
05/1986
05/09/1986WO1986002699A1 Rotary piston engine as an internal combustion engine for independent or in-line operation
05/06/1986US4586341 Twin engine synchronizer
04/1986
04/01/1986US4578955 Automotive power plant
01/1986
01/28/1986US4566279 Vehicle propulsion plant
11/1985
11/26/1985US4555003 Split engine clutch
07/1985
07/02/1985US4527071 Modular power plant for the combined production of electrical and thermal energy and installation comprising a plurality of modular power plants
04/1985
04/09/1985US4509474 Piston machine
01/1985
01/15/1985US4493190 Cooling system for an engine having a plurality of engine units
11/1984
11/13/1984US4481841 Multiple engine drive arrangement
11/06/1984US4480612 Internal combustion engine provided with a plurality of power units
10/1984
10/30/1984US4479357 Method and apparatus for automatically synchronizing multiple engines
09/1984
09/25/1984US4472944 Diesel and electric hydraulic systems for transportation
09/11/1984US4470379 Multi-cylinder engine
08/1984
08/08/1984EP0044313B1 Piston machine
06/1984
06/05/1984US4452043 Differential compound engine
04/1984
04/17/1984US4442805 Internal combustion engine provided with a plurality of power units
04/03/1984US4439989 Internal combustion engine provided with a plurality of power units
03/1984
03/13/1984US4435961 Method and apparatus for automatically synchronizing multiple engines
02/1984
02/14/1984US4430862 Internal combustion engine for vehicles
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