Patents
Patents for F02B 41 - Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power (2,672)
03/1981
03/25/1981EP0025503A1 Reciprocating piston engine
03/19/1981WO1981000739A1 Intake gas recirculation
03/17/1981US4256064 Fuel conserving engine improvement
03/11/1981EP0024994A1 Process and device for improving the performance of an internal-combustion engine by selectively varying the compression ratio according to engine load
03/10/1981US4254743 Combustion engine
02/1981
02/24/1981CA1096256A1 Method and apparatus for control of pressure in internal combustion engines
02/17/1981US4250850 Reduced load working cycle for a four-stroke combustion engine and engines using said cycle
12/1980
12/23/1980US4240381 Internal combustion engine system
12/09/1980US4237832 Partial-load control apparatus and method and for internal combustion engines
12/02/1980US4237061 Layered structures of metal dichalcogenides and metallocenes
11/1980
11/13/1980WO1980002443A1 Internal combustion and injection thermal engine
11/11/1980US4232641 Method and device for improving the efficiency of internal combustion engines
10/1980
10/28/1980US4230075 Internal combustion engine
10/07/1980US4226294 Engine system using liquid air and combustible fuel
09/1980
09/09/1980US4221199 Plural lash engine valve gear and device for selecting same
08/1980
08/07/1980WO1980001589A1 Twin-chamber device for internal combustion engine
08/06/1980EP0014157A1 A two-chamber device for an internal combustion engine
08/06/1980EP0013776A1 Combi-stroke and combi-shaft combustion engine
07/1980
07/09/1980EP0013180A1 Internal combustion engine for compound use
07/08/1980US4211190 Groove guided piston linkage for an internal combustion engine
07/08/1980US4211083 Method for driving a vehicle driven by an internal combustion engine
07/08/1980US4211082 Internal combustion engine with free floating auxiliary piston
06/1980
06/10/1980US4206727 Two-stroke-cycle engine having an auxiliary piston and valve arrangement, and its associated drive mechanism
05/1980
05/27/1980CA1078284A1 Variable ratio crank assembly for internal combustion engines
05/06/1980CA1076958A1 Internal combustion engine method and apparatus
02/1980
02/07/1980WO1980000169A1 A vehicle combustion engine of the compound type
02/05/1980US4186561 Split cycle internal combustion engines
01/1980
01/29/1980US4185459 For improving efficiency of movable-piston internal combustion engines and reducing air pollution
01/24/1980WO1980000095A1 Method and arrangement for increasing the efficiency of an internal combustion engine and reducing its pollutants
01/09/1980EP0006747A1 Internal-combustion engine with additional expansion
01/08/1980US4182283 Combustion chamber and piston therefor
12/1979
12/25/1979US4179942 Variable ratio crank assembly
12/04/1979US4176650 Method for operating a multi-cylinder jump-spark ignition engine and operation control system thereof
10/1979
10/30/1979CA1065264A2 Turbocharger lubrication and exhaust system
10/16/1979US4170970 Internal combustion engines
10/02/1979US4169435 Internal combustion engine and method
10/02/1979CA1063359A1 Turbocharger system for an internal combustion engine
07/1979
07/03/1979US4159700 Internal combustion compound engines
07/03/1979US4159699 Compound engines
06/1979
06/05/1979US4157080 Internal combustion engine having compartmented combustion chamber
06/05/1979US4157079 Internal combustion engine and operating cycle
05/1979
05/08/1979US4152955 Engine compound crankshaft
04/1979
04/17/1979US4149498 Internal combustion engine
04/17/1979US4149370 Self starting internal combustion engine with means for changing the expansion ratio
03/1979
03/13/1979US4143628 Method and means for increasing the mean efficiency of an Otto cycle engine
11/1978
11/07/1978US4123996 Internal combustion engines
10/1978
10/24/1978US4121423 Compound internal-combustion hot-gas engines
08/1978
08/15/1978CA1036440A1 Two-stage internal combustion engine with excess gases and methods of operation
07/1978
07/18/1978US4100742 Turbocompound engine with turbocharger control
06/1978
06/27/1978US4096835 Internal combustion engine method and apparatus
05/1978
05/16/1978US4089235 Intra-articulate connecting rod for small engines
05/02/1978US4086882 Compound combustion engines and methods of compounding same
04/1978
04/25/1978US4085628 Intra-articulate reciprocating engine system
02/1978
02/28/1978US4075980 Multiple-cycle, piston-type internal combustion engine
02/14/1978US4073196 Cranking system of varying radius
01/1978
01/31/1978US4070998 Compression ignition control pressure heat engine
11/1977
11/08/1977US4056930 Internal combustion turbine
09/1977
09/27/1977US4050420 Constant pressure-temperature delayed combustion high compression ratio engine and method
08/1977
08/30/1977US4044629 Reciprocating piston machine
08/09/1977US4040400 Internal combustion process and engine
06/1977
06/21/1977US4030404 Swash-plate drive mechanism
05/1977
05/10/1977US4022167 Internal combustion engine and operating cycle
03/1977
03/15/1977US4011725 Annular piston engine with afterburner and power turbine
03/08/1977US4010611 Compression-expansion power device
12/1976
12/07/1976US3995535 Expansible chamber device
11/1976
11/23/1976US3993029 Method of operating a compound supercharged rotary piston engine
11/16/1976US3991721 Low emission compound combustion engine
11/09/1976US3990242 Motor vehicle drive system
09/1976
09/21/1976US3981280 Two-stroke combustion engines
07/1976
07/20/1976US3970050 Two-stage rotary engines
06/1976
06/08/1976US3961607 Internal combustion engine
05/1976
05/25/1976US3958540 Staged internal combustion engine with interstage temperature control
1 ... 17 18 19 20 21 22 23 24 25 26 27