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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7284507 | Method and apparatus for the control of a spraying apparatus A method and apparatus controls intake air humidification spraying with at least two spraying nozzles (1a, 1b, 1c, 1d) for spraying a liquid into the intake air. When an amount of the liquid to be supplied thro... | 10/23/2007 |
| 6637382 | Turbocharger system for diesel engine A turbocharger system for a diesel engine includes an exhaust driven intake air compressor, a sensor for tracking the position of the engine's throttle and for generating a throttle position signal, and a water injection system for furnishing water to the... | 10/28/2003 |
| 6112705 | Water injection amount control system for fuel and water injection engine A water injection amount control system for a fuel and water injection engine, comprises running state detecting unit for detecting the running state of the engine; an EGR system for recirculating part of exhaust gas of the engine to a combustion chamber ... | 09/05/2000 |
| 5148776 | Coordinated water and fuel injection system A fuel and water injection system for an internal combustion engine in which a computer calculates the minimum fuel requirements to meet power demand and the water injection requirements to achieve smooth operation without engine knock or pre-ignition; an... | 09/22/1992 |
| 4960080 | Pollution control apparatus and method for a turbodiesel motor-generator set A water injection system reduces nitrous oxide emissions in turbocharged internal combustion engines driving electrical power generators. A current-activated relay located in switchgear associated with the generator becomes energized asserted when the cur... | 10/02/1990 |
| 4558665 | Turbo charged combustion engine with water injection The invention relates to a turbo charged combustion engine with water injection. The characterizing feature of the engine is that there is provided one water injector for each cylinder, each respective injector facing the inlet port for injecting at least... | 12/17/1985 |
| 4502420 | Reciprocating piston combustion engine with water injection A combustion engine with electromagnetic controlled fuel injection apparatus is provided with a water injection for short duration during load increases in order to prevent thermal damage. For this reason there are provided, in addition to the fuel inject... | 03/05/1985 |
| 4459943 | Fluid injection system for an internal combustion engine responsive to fuel flow A fluid injection system for an internal combustion engine, including both spark-ignition and compression-ignition engines, includes a nozzle for injecting a finely divided spray of fluid, such as water, a water solution, or other combustion enhancing flu... | 07/17/1984 |
| 4438731 | Flow control system A flow control system for metering fluid flow in various amounts to a desired discharge point includes electrical signal responsive valves correspondingly mounted in a series of flow lines and switchable between open and close positions. An electrical con... | 03/27/1984 |
| 4409932 | Method and apparatus for powering engine with exhaust generated steam An apparatus (10) for installation in an automobile (12) to generate steam with heat from the exhaust of an engine (14) is provided. The steam is generated at a sufficient pressure for entry into the combustion chambers of the engine to increase the power... | 10/18/1983 |
| 4377135 | Additive means for an air compressing internal combustion engine An arrangement for supplying an additive to a fuel-injected air compressing internal combustion engine. The arrangement includes a feeding device arranged at an inlet or intake of the internal combustion engine and a load and/or speed dependent metering d... | 03/22/1983 |
| 4368711 | Apparatus and a method for operating an internal combustion engine A water-augmented fuel and air supply system for an internal combustion engine which draws heated air into its intake manifold through two paths, one carrying the bulk of air, referred to as leaning air, drawn directly into the manifold, and the other pro... | 01/18/1983 |
| 4340549 | Dual input carburetor An improved carburetor (20) for delivering one combustible fuel and a liquid, or two combustible fuels from separate reservoirs (50), (500), to the central portion of a hollow spray bar (98) for discharge into carburetor venturi (30) includes substantiall... | 07/20/1982 |
| 4279223 | Internal combustion engine fuel-saving and pollution-reducing system The present disclosure shows a system for providing a continuous supply of at least partly distilled water to an internal combustion engine for inclusion in the air-fuel mixture passing through the carburetor, in order to increase the efficiency of the en... | 07/21/1981 |
| 4059078 | Steam injection apparatus An apparatus for injecting steam into an internal combustion engine including an exhaust manifold and an intake manifold, which has a control valve which receives and controls a flow of water supplied from a source or reservoir of same, and from which the... | 11/22/1977 |
| 4027630 | Vapor injection apparatus for an internal combustion engine Apparatus for supplying an air-vapor mixture to an air intake chamber in communication with an air intake passageway of a carburetor under acceleration conditions of an internal combustion engine. The air intake chamber has a valved inlet opening through ... | 06/07/1977 |
