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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7316221 | Valve system of V-type engine A valve system of a V-type engine in which a camshaft provided in each bank is formed with valve cams that open and close engine valves and a pump cam for driving a fuel pump, the phase of the pump cam relative to the valve cams is set such that the crank angle at w... | 01/08/2008 |
| 6925991 | Fuel supply system A fuel supply system for reciprocating engines in which predetermined amounts of fuel are injected into the air fuel supply of the engine in timed relation to the reciprocating engine with the amounts of fuel varying in response to speed and load on said engine by v... | 08/09/2005 |
| 6493617 | Lean burn engine with brake system A direct injection engine is coupled to a vacuum brake booster wherein vacuum created from engine pumping is used to supplement driver braking force. The brake booster is coupled through a check valve to the engine intake manifold. A method for estimating... | 12/10/2002 |
| 6393345 | Method for estimation A direct injection engine is coupled to a vacuum brake booster wherein vacuum created from engine pumping is used to supplement driver braking force. The brake booster is coupled through a check valve to the engine intake manifold. A method is disclosed f... | 05/21/2002 |
| 6026790 | Diesel engine emission control system The present invention provides improvements in EGR control system of a diesel engine by limiting the maximum fuel, in amount, to be drawn into the engine cylinder and EGR rate in response to result of monitoring performance of EGR control. When the actual... | 02/22/2000 |
| 4592328 | Crossed pulse engine atomizer A liquid fuel atomizer is described which creates liquid pulses and gas pulses which are directed and timed to impact each other. The forces created during impact atomize the liquid fuel into droplets. Large and repeated atomizing forces can be thusly app... | 06/03/1986 |
| 4508273 | Crossed pulse liquid atomizer A liquid atomizer is described which creates liquid pulses and gas pulses which are directed and timed to impact each other. The forces created during impact atomize the liquid into droplets. Large and repeated atomizing forces can be thusly applied yield... | 04/02/1985 |
| 4458645 | Force actuated latching device and high pressure system A force operated latching device for use with a switch, valve or motor includes a sleeve-piston combination responsive to the force and which is latched and delatched in response to the force, usually in the form of fluid pressure. The latching device may... | 07/10/1984 |
| 4377147 | Internal combustion engine An internal combustion engine driven by a gaseous fuel, with quantity regulation in a lower load range and quality regulation in an upper load range. A gas pressure regulator is provided for controlling a gas flow to an air-gas mixer, with a throttle valv... | 03/22/1983 |
| 4369750 | Fuel injector for internal combustion engine This disclosure relates to a fuel injector for an internal combustion engine. The injector comprises an injector body forming a plunger bore, and a plunger reciprocably mounted in the bore. The plunger reciprocates between a retracted position and a forwa... | 01/25/1983 |
| 4368710 | Apparatus for controlling the operating mixture composition in internal combustion engines An apparatus is proposed for controlling the composition of the operating mixture in internal combustion engines. In this apparatus, a control of the air quantity is effected in accordance with the arbitrarily adjustable fuel quantity by throttling the ai... | 01/18/1983 |
| 4348998 | Fuel injection pump A fuel injection pump for an internal combustion engine including a low pressure sump and a sump piston, reciprocating in a cylinder, for imparting elevated pressure to the fuel for delivery to injection valves. The pressure chamber in the pump cylinder c... | 09/14/1982 |
| 4304211 | Control of fuel injection type induction system Controls for induction systems of fuel injection supplied internal combustion engines in which the induction system flows from an air amount detection means to combustion cylinders, through a main or principal intake passage and a sub-intake or shunt pass... | 12/08/1981 |
| 4295455 | Exhaust gas recirculation control system for a compression-ignition internal combustion engine An exhaust gas recirculation control system for a compression-ignition internal combustion engine or diesel engine including an intake throttle valve in an intake passage and an exhaust gas recirculation passage opening downstream of the intake throttle v... | 10/20/1981 |
| 4284047 | Apparatus for controlling the air-fuel quantity ratio in internal combustion engines An apparatus for controlling the ratio of air to fuel quantity of the operational mixture to be introduced into the combustion chambers of an internal combustion engine which includes an air flow rate meter moving under differential pressure against a con... | 08/18/1981 |
| 4253440 | Fuel supply apparatus for internal combustion engines A fuel supply apparatus for internal combustion engines of a type including an air valve disposed in an intake conduit of the engine upstream of a throttle valve. A sensor is used for sensing the pressure in an air pressure chamber defined within the inta... | 03/03/1981 |
| 4228773 | Device to activate an adjusting member in dependence on load A device which serves to activate an adjusting member in dependence on load, in which especially the cross section and/or the pressure differential of an exhaust gas return line which is provided in the intake manifold of an internal combustion engine can... | 10/21/1980 |
| 4211203 | Fuel injection pump A distributor type fuel injection pump which includes a relief passage having one end thereof opening in the pump working chamber and the other end communicating with a zone under a lower pressure. Said relief passage is so arranged as to be permanently k... | 07/08/1980 |
| 4200074 | Fuel injection system for an internal combustion engine A fuel injection system for an internal combustion engine has an air sensor for metering the intake air flow into the engine and a fuel metering and distributing device hydraulically coupled together. The device includes a plunger rotated by the engine to... | 04/29/1980 |
| 4194478 | Air-fuel ratio control system for an internal combustion engine A fuel supply apparatus for an internal combustion engine comprises an air valve disposed in an intake air conduit upstream of a throttle valve and caused to rotate in accordance with the quantity of intake air through the intake conduit, a fuel supply so... | 03/25/1980 |
| 4187816 | Air-fuel ratio controlling system for an internal combustion engine An air-fuel ratio controlling system for a fuel-injection type internal combustion engine has an air valve disposed in an air intake duct upstream of a throttle valve and a fuel-metering variable orifice disposed in a fuel circuit. The air valve and the f... | 02/12/1980 |
| 4181109 | Exhaust gas recirculation apparatus An exhaust gas recirculation passageway leads from an engine exhaust passageway to an engine induction passageway downstream of a throttle valve. A fuel control member of an injection pump moves the throttle valve in the opening direction to reduce the va... | 01/01/1980 |
| 4161933 | Mixture control apparatus for internal combustion engines A mixture control device for a fuel-injected internal combustion engine in which an air flow meter in the induction tube is associated with a slide valve which opens and closes a fuel metering orifice. A differential pressure valve is connected across the... | 07/24/1979 |
| 4157081 | Recirculated exhaust gas control device for use in a diesel engine The present invention is directed to a to a diesel engine comprising a throttle valve disposed in an intake passage, which gradually opens in accordance with an increase in the level of the load of the engine. A recirculated exhaust gas conduit is also pr... | 06/05/1979 |
| 4143631 | Apparatus for regulating the composition of the operating mixture of an internal combustion engine A regulating device used with the fuel injection system of an internal combustion engine, for regulating the proportions of the operating mixtures of the engine. The regulating device is embodied as a pump which is incorporated into the existing fuel inje... | 03/13/1979 |
| 4130100 | Direct-injection spark-ignition engine A direct-injection spark-ignition engine including a governor for sensing the rotational speed of the engine, fuel injection pumps for injecting fuel at a rate which may be increased or decreased by a fuel control rack connected to the power shaft of the ... | 12/19/1978 |
| 4125101 | Fuel injection system A fuel injection system for internal combustion engines that includes a gasoline metering valve to which gasoline is delivered by a fuel pump adapted to maintain a given pressure at a substantially constant rate of flow, and from which gasoline flows at a... | 11/14/1978 |
| 4120274 | Carburetors or fuel mixing systems A fuel-air proportioning and mixing system for internal combustion engines is disclosed comprising a variable orifice for measuring the volume of air and a motor driven variable volume displacement pump for measuring and atomizing fuel. Changes in size of... | 10/17/1978 |
| 4116177 | Pre-volatilizing electronically controlled carburetor A carbureting device for internal combustion engines providing pre-volatilized light gasoline vapor and a means for conserving unvaporized gasoline. An electronic pulsing circuit powers and controls the operation of an array of electric fuel pumps connect... | 09/26/1978 |
| 4112901 | Fuel system with metering pump for internal combustion engines A fuel supply system supplies volatile fuel at a controlled rate to an air-fuel mixing chamber leading to a subatmospheric intake manifold of an internal combustion engine. Fuel is metered out by a metering gear pump supplied with fuel under pressure suff... | 09/12/1978 |
| 4048964 | Fuel metering apparatus and method A closed loop, electronically controlled and regulated fuel metering system for operating an internal combustion engine in accordance with a predetermined mass fuel-air ratio scheduled in the controller for different engine operating conditions. Linear ai... | 09/20/1977 |
| 4043304 | Fuel injection system for self-igniting internal combustion engines What follows is a description of a fuel injection system for an internal combustion engine which employs exhaust gas recycling. The engine has a suction tube leading to the engine and an exhaust pipe leading from the engine, while the system includes a re... | 08/23/1977 |
| 4031872 | Thermostatic automatic choke control for small engines The choke valve of a small engine, biased towards a closed position, is link connected with an air vane that tends to open it under force of cooling air blown across the engine. The air vane has a lost motion connection with a control shaft that is rotata... | 06/28/1977 |
| 3990413 | Fuel injection system for single or multiple cylinder internal combustion engines A fuel injection system for single or multiple cylinder internal combustion engines comprises two fuel injection valves for each cylinder of an engine. One fuel injection valve operates to inject a principal volume of fuel and the other a secondary volume... | 11/09/1976 |
| 3983849 | Fuel injection system A fuel injection system for stratified-charge engines includes a fuel metering valve assembly controlled by an air flow sensor. The restoring force on the movable plunger in the fuel metering assembly may be varied in dependence on load by a differential ... | 10/05/1976 |
| 3946705 | Heat engine power system A heat engine power system includes a fluid fuel heat engine designed to determined performance characteristics for military vehicles, and a cooling subsystem which has enough capacity to carry away the rejected engine heat. When the exigencies of parts ... | 03/30/1976 |
