| Patents for F02B 47 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines (3,329) |
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| 08/23/1977 | US4043305 Control device for regulating the compositions of the inlet and exhaust gases of an internal combustion engine |
| 07/19/1977 | US4036014 Method of reducing emission of pollutants from multi-cylinder engine |
| 06/21/1977 | US4030453 Method of water admixing to fuel oil for an internal combustion engine and apparatus therefor |
| 06/14/1977 | US4029982 Plug for internal combustion engine for limiting production of nitrogen oxide |
| 06/07/1977 | US4027632 Air injection engine |
| 05/24/1977 | US4024708 Multi cylinder internal combustion engine |
| 05/17/1977 | US4023538 Hot fuel gas generator |
| 03/29/1977 | US4014299 Method and device for restraining nitrogen oxide production in combustion gas of internal combustion engines |
| 03/29/1977 | US4014169 Anti-afterburn device for engine having air pump |
| 03/01/1977 | US4009689 Rotary combustion engine exhaust gas recirculation system |
| 01/25/1977 | US4004413 Combustible mixture supply system |
| 12/07/1976 | US3995599 Rotary combustion engine exhaust gas recirculation system |
| 11/09/1976 | US3990408 Water injection system for internal combustion engines |
| 10/26/1976 | US3987765 Residual gas control apparatus for internal combustion engines having auxiliary combustion chambers |
| 10/12/1976 | US3985107 Combustible mixture supply system |
| 09/14/1976 | US3980064 Internal combustion engine |
| 09/07/1976 | US3978834 Arrangement for controlling the recirculation of exhaust gas in internal combustion engines |
| 08/31/1976 | US3977365 Method of oxidizing fuels |
| 07/20/1976 | US3969899 Fuel burning apparatus and heat engine incorporating the same |
| 06/22/1976 | US3964258 Reducing undesirable components of automotive exhaust gas |
| 06/08/1976 | US3962348 Chemical stability, heat conductors, coolants |
| 06/01/1976 | US3959974 Internal combustion engine |
| 05/25/1976 | US3958540 Staged internal combustion engine with interstage temperature control |
| 05/18/1976 | US3957418 Method and an apparatus for performing closed combustion |
| 05/04/1976 | US3953969 System for purifying exhaust gas of a spark ignition type four stroke internal combustion engine |
| 03/23/1976 | US3945366 Oxygen supply system for IC engines |
| 03/02/1976 | US3941113 Multicylinder heat engines |
| 01/20/1976 | US3933132 Another liquid-mixing injection system for internal-combustion engine |
| 01/20/1976 | US3932987 Method of operating a combustion piston engine with external combustion |