Patents
Patents for F02B 69 - Internal-combustion engines convertible into other combustion-engine type, not provided for in group; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types (1,005)
08/1991
08/06/1991US5036801 Double cycle internal combustion engine
07/1991
07/31/1991EP0438542A1 Heat engine
07/23/1991US5033416 Internal combustion engine for propelling ships that transport gaseous fuel
06/1991
06/19/1991EP0433039A1 Variable-cycle engine
06/11/1991US5022353 Variable-cycle engine
05/1991
05/23/1991DE4042325A1 Combustion system for dual fuel engine
05/16/1991DE4042324A1 Combustion system for dual fuel engine
05/08/1991EP0426302A1 Engine with variable combustion chamber
05/08/1991CN1051228A Ic engine for propelling ships that transport gaseous fuel
05/02/1991EP0424826A1 Method of feeding an internal combustion engine with more than one fuel
04/1991
04/30/1991US5010852 Heat engine
04/16/1991US5007382 Cycle changeable engine
04/09/1991US5005539 Engine cycle control system
03/1991
03/27/1991CN1050249A Improvements in reciprocating piston internal combustion engines and like machines
11/1990
11/20/1990US4971015 Combustion engine with multi-fuel capability
11/14/1990EP0397521A1 Engine cycle control system
11/14/1990EP0397359A2 Cycle changeable engine
11/07/1990EP0396325A1 Variable-cycle engine
11/01/1990WO1990012953A1 Heat engine
10/1990
10/30/1990US4966103 Combustion system for dual fuel engine
10/23/1990US4964374 Reciprocating piston internal combustion engines and like machines
09/1990
09/19/1990EP0387372A1 Improvements in reciprocating piston internal combustion engines and like machines
09/19/1990EP0387277A1 Cooled cylinder head.
09/11/1990US4955348 Fuel injection conversion system for V-twin motorcycle engines
08/1990
08/07/1990US4945870 Vehicle management computer
06/1990
06/21/1990DE3842430A1 Method for the conversion of a diesel engine into a spark ignition engine fed with liquified gas and the engine thereby obtained
06/13/1990DE3841355A1 Method for increasing the displacement of a valve-timed reciprocating piston internal combustion engine
06/05/1990CA1269901A1 Process and system for compression release engine retarding
05/1990
05/10/1990DE3837660A1 Reciprocating piston internal combustion engine with forced ventilation during each crankshaft revolution
04/1990
04/10/1990US4915084 Combustion engine with multi-fuel capability
03/1990
03/13/1990US4907544 Turbocharged two-stroke internal combustion engine with four-stroke capability
01/1990
01/31/1990EP0352861A2 Vehicle management computer
11/1989
11/14/1989US4879980 Cylinder head for internal combustion engines
08/1989
08/16/1989CN1034783A Energy-saving double-fuel engine
06/1989
06/01/1989WO1989004916A1 Modification kit for oil-cooled cylinder head
03/1989
03/29/1989EP0309418A2 A cylinder head for internal combustion engines
11/1988
11/10/1988DE3713383A1 Internal combustion engine
10/1988
10/27/1988DE3743806A1 Two-stroke internal-combustion engine with improved flushing
08/1988
08/23/1988US4765293 Hybrid internal combustion reciprocating engine
07/1988
07/28/1988DE3800585A1 Device for the alternative operation of a diesel internal combustion engine with diesel oil and rape seed oil
01/1988
01/13/1988EP0102956B1 A method of running an internal combustion engine with alternative fuels and an internal combustion engine for alternative fuels
09/1987
09/01/1987CA1226183A1 Fuel oil injection engine
06/1987
06/30/1987US4676205 Crankcase and crankshaft impact protector
05/1987
05/12/1987US4664070 Hydro-mechanical overhead for internal combustion engine
04/1987
04/07/1987CA1220105A1 Ignition-assisted fuel combustion system
03/1987
03/25/1987EP0146549B1 Ignition-assisted fuel combustion system
02/1987
02/03/1987US4640234 Method of running an internal combustion engine with alternative fuels
12/1986
12/23/1986US4631455 Method and apparatus for converting a conventional internal combustion engine into a high speed electric motor and generator
10/1986
10/28/1986US4619240 Fuel oil injection engine
09/1986
09/02/1986US4608824 Hydraulic motor for cars
08/1986
08/14/1986WO1986004747A1 Method and apparatus for converting a conventional internal combustion engine into a high speed electric motor and generator
02/1986
02/25/1986US4572114 Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle
01/1986
01/08/1986EP0167267A1 Process and system for compression release engine retarding
11/1985
11/12/1985US4552106 Internal combustion engine
10/1985
10/22/1985US4548187 Internal combustion engine for alternative fuels
10/22/1985US4548172 Ignition-assisted fuel combustion system
09/1985
09/26/1985EP0142559A4 Internal combustion engine.
05/1985
05/29/1985EP0142559A1 Internal combustion engine
03/1985
03/12/1985US4503816 Combustion engine with a constant combustion volume
01/1985
01/22/1985CA1181508A1 Control mechanism for selectively operating an internal combustion engine on two fuels
01/17/1985WO1985000197A1 Ignition-assisted fuel combustion system
12/1984
12/25/1984US4489699 Control mechanism for selectively operating an internal combustion engine on two fuels
12/06/1984WO1984004779A1 Internal combustion engine
10/1984
10/10/1984EP0120897A1 A device, a procedure and employment concerning diesel engines using two different fuels and employment of the device for starting such engines
09/1984
09/18/1984US4471744 Process and unit for operating a combustion engine aboard ships
08/1984
08/07/1984US4463719 Air-compressing, self-igniting engine for liquid fuel
05/1984
05/16/1984EP0108582A2 Fuel oil injection engine using gas
04/1984
04/12/1984WO1984001339A1 A device, a procedure and employment concerning diesel engines using two different fuels and employment of the device for starting such engines
03/1984
03/21/1984EP0102956A1 A method of running an internal combustion engine with alternative fuels and an internal combustion engine for alternative fuels.
02/1984
02/14/1984CA1162057A1 Crankcase and crankshaft impact protector
12/1983
12/27/1983US4422412 Catalytic conversion chamber, heat exchanger; dimethyl ether from methanol
07/1983
07/19/1983US4393854 Mixing unit
07/19/1983US4393848 Control mechanism for selectively operating an internal combustion engine on two fuels
07/12/1983US4392459 Four stroke thermal engine capable of temporary boost
04/1983
04/28/1983WO1983001486A1 A method of running an internal combustion engine with alternative fuels and an internal combustion engine for alternative fuels
04/05/1983CA1144019A1 Fuel convertor
02/1983
02/01/1983US4370958 Method of operating an air-compressing, self-igniting engine for liquid fuel
01/1983
01/18/1983US4368702 Method of operating an air-compressing, self-igniting internal combustion engine
01/12/1983EP0069717A1 Method for utilizing boil-off gas from cryogenic liquids as fuel in a dual gas/oil-burning diesel engine, and a system for utilizing the method
11/1982
11/30/1982US4361474 Electrolysis chamber for hybrid fuel system
10/1982
10/26/1982CA1134226A1 Apparatus for alternate liquid or gaseous fuel operation of internal combustion engines
10/12/1982US4353334 Method of and apparatus for starting an air-compressing four-stroke cycle internal combustion engine
08/1982
08/25/1982EP0058619A1 Four-stroke combustion engine adapted for delivering temporary overpower
04/1982
04/28/1982EP0050310A1 Method and device for operating an internal-combustion engine on board ships
04/22/1982EP0036425A4 Alternate liquid/gaseous fuel operation of engines.
01/1982
01/27/1982EP0044743A1 A Diesel/gas engine conversion means
12/1981
12/01/1981US4303045 Apparatus to convert Otto cycle engine to diesel engine
10/1981
10/06/1981US4292804 Method and apparatus for operating an engine on compressed gas
09/1981
09/30/1981EP0036425A1 Alternate liquid/gaseous fuel operation of engines
08/1981
08/26/1981EP0034534A1 Device for feeding fuel and controlling the viscosity of that fuel
07/1981
07/15/1981EP0032003A1 A device for converting alcohols to ethers and methods of running and of modifying a compression ignition engine to enable use therein of an alcohol/ether fuel
06/1981
06/30/1981US4275698 Internal combustion engine of the type having two inlet valves per cylinder
04/1981
04/16/1981WO1981001033A1 Alternate liquid/gaseous fuel operation of engines
03/1981
03/25/1981EP0025762A1 Conversion of a four-stroke internal-combustion marine engine into a steam engine
05/1980
05/06/1980US4201167 Methanol vaporization and injection system for internal combustion engine
08/1979
08/21/1979US4164915 Conversion of gasoline to diesel engine
05/1979
05/22/1979CA1054942A1 Compound spark-ignition and diesel engine
07/1978
07/25/1978US4102130 Converting an internal combustion engine to a single acting engine driven by steam or compressed air
06/1978
06/27/1978US4096845 System for reducing the number of cylinders used in a multi-cylinder engine
01/1978
01/31/1978US4070971 Engine efficiency
1 2 3 4 5 6 7 8 9 10 11