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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7975485 | High efficiency integrated heat engine (HEIHE) The present invention is a High Efficient Integrated Heat Engine, or HEIHE for short. HEIHE is a reciprocal combustion engine integrated with both compound cycle and combined cycle. HEIHE comprises twin compound cylinder structure, with the first cylinder being the ... | 07/12/2011 |
| 7363127 | Air brake system monitoring for pre-trip inspection Vehicles equipped with air brake systems and compressed air systems for supporting operation of the brakes provide for automated inspection of the air compressor system using an onboard vehicle or engine management computers. During vehicle operation, the system con... | 04/22/2008 |
| 7353786 | Split-cycle air hybrid engine A split-cycle air hybrid engine operatively connects an air reservoir to a split cycle engine. A power piston is received within a power cylinder and operatively connected to a crankshaft such that the power piston reciprocates through an expansion stroke and an exh... | 04/08/2008 |
| 7314347 | Pressurized fluid bladeless turbine engine with opposing fluid intake assemblies A bladeless pressurized fluid turbine engine having a bladeless turbine, internal, concentric or circumferential shaft fluid ways which transmit pressurized gas to the turbine, and a pair of opposing pressurized fluid intake assemblies. Each intake assembly has a fi... | 01/01/2008 |
| 7263828 | Fluid machine An expansion-and-compressor device of a fluid machine has a pump mode operation in which the expansion-and-compressor device is rotated by a driving force from a driving source to compress working fluid, and a motor mode operation in which the fluid pressure is conv... | 09/04/2007 |
| 7219630 | Internal combustion engine with regenerator, hot air ignition, and naturally aspirated engine control An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerator embodiment operates as a tw... | 05/22/2007 |
| 7216735 | Hybrid traction system for vehicles A hybrid drive system for vehicles. The system includes the connection of an engine and a motor, one as a combustion engine (1) and the other as a pneumatic motor (2), with this connection being made through a mechanical coupling (3) and, at onc... | 05/15/2007 |
| 7174732 | Cooling control device for condenser Cooling control device for a condenser is provided which includes the condenser, a cooling device for cooling the condenser, and a control device for controlling the cooling device. The cooling device includes a first cooling fan for cooling a gaseous-phase portion ... | 02/13/2007 |
| 7140182 | Energy storing engine The Energy Storing Engine is the mechanization of a hot air engine cycle. Constant temperature compression is achieved by using a multi-stage-intercooled compressor. Energy is stored in a compressed air tank. Heat is added at constant pressure by an exhaust gas to c... | 11/28/2006 |
| 7104063 | Device for producing mechanical energy The invention relates to a device for producing mechanical energy. Said device contains an internal combustion engine and an expansion engine (20, 21) which is fed with superheated steam from a steam generator. Exhaust gases of the internal combustion engine ... | 09/12/2006 |
| 7059281 | Four stroke engine auto-ignition combustion A method of operating a four-stroke gasoline direct-injection controlled auto-ignition combustion engine includes opening both the intake and exhaust valves during terminal portions of the expansion strokes and initial portions of the contraction strokes, injecting ... | 06/13/2006 |
| 7047745 | Method for operating a hybrid engine According to a prepared program and the signal from a crank angle sensor, a computer switches two operation modes A and B in which an electric motor operates, and the computer creates a pair or pairs of different operation mode phases during the period from an ignit... | 05/23/2006 |
| 7040094 | Staged combustion with piston engine and turbine engine supercharger A combustion engine method and system provides increased fuel efficiency and reduces polluting exhaust emissions by burning fuel in a two-stage combustion system. Fuel is combusted in a piston engine in a first stage producing piston engine exhaust gases. Fuel conta... | 05/09/2006 |
| 7004115 | Internal combustion engine with regenerator, hot air ignition, and supercharger-based engine control An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerator embodiment operates as a tw... | 02/28/2006 |
| 7003964 | Heat pump system A heat pump system (10) including a heat generator (15), a heat engine (26) supplied with heat engine working fluid (18) by the heat generator (15) having a heat engine cylinder chamber (34), a heat engine piston (32)... | 02/28/2006 |
| 6997674 | Pressurized fluid turbine engine A bladeless pressurized fluid turbine engine having a bladeless turbine, internal, concentric or circumferential shaft fluid ways which transmit pressurized gas to the turbine, and a pressurized fluid intake assembly. The intake assembly has a fixed outer housing, t... | 02/14/2006 |
| 6986252 | Internal combustion engine with steam expansion stroke A method for controlling an internal combustion engine, and an internal combustion engine, having at least one cylinder (1), a reciprocating piston (16) arranged in the cylinder (1), a combustion chamber (15) delimited by the cylinder ( | 01/17/2006 |
| 6966394 | Turbine generator regenerative braking system A turbine generator regenerative braking system is for an automotive or other vehicle having ground engaging wheels and an electrical energy storage device. The braking system comprises an hydraulic fluid turbine generator having an electrical power output connected... | 11/22/2005 |
| 6953020 | Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers is produced by a comp... | 10/11/2005 |
| 6945062 | Heat pump water heating system including a compressor having a variable clearance volume A heat pump water heater system includes a compressor that has a variable clearance volume that can be selectively controlled to control the mass flow rate of refrigerant from the compressor. Under higher ambient air temperature conditions, the variable volume is in... | 09/20/2005 |
| 6922997 | Engine based kinetic energy recovery system for vehicles A motor vehicle kinetic energy recovery system uses one or more cylinders of an internal combustion engine as the first or primary stage in a multi-stage high pressure air compression system, a compressed air storage system, compressed air operated drive train boost... | 08/02/2005 |
| 6868673 | Traveling-wave thermoacoustic engines with internal combustion and associated methods Systems and methods for manipulating acoustic energy are presented. In some embodiments, a combustion zone provides heat to a regenerator using a mean flow of compressible fluid. In other embodiments, a thermoacoustic driver is concentrically disposed within a shell... | 03/22/2005 |
| 6868674 | Control apparatus for variable-cylinder engine, and control apparatus for vehicle Providing a control apparatus for a variable-cylinder engine or a vehicle control apparatus, which permits a further improvement in the fuel economy of the vehicle. Decompression-state setting means 102 is arranged to place appropriate ones of non-operating c... | 03/22/2005 |
| 6796127 | One cycle internal combustion engine A one cycle internal combustion engine (10) configured for powering a vehicle (V) is disclosed. The engine (10) broadly includes an engine block (12) defining three cylinders (14, 16, and 18), three double-acting pistons (20,22,... | 09/28/2004 |
| 6606970 | Adiabatic internal combustion engine with regenerator and hot air ignition An internal combustion engine and method is disclosed wherein a separate compression cylinder and an adiabatic power cylinder are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regen... | 08/19/2003 |
| 6363723 | Method and device for reacclerating a vehicle equipped with high-pressure air compressors A method and device for reaccelerating a vehicle equipped with a compressor supplying high-pressure compressed air for cleansed or cleansing engine is provided, in which, during decelerating and/or braking phases, the on-board compressor being operated, t... | 04/02/2002 |
| 6340004 | Internal combustion engine with regenerator and hot air ignition An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerator embodiment opera... | 01/22/2002 |
| 6253745 | Multiple stroke engine having fuel and vapor charges A six-stroke cycle engine burns an air-fuel charge for a first power stroke, the exhaust gases being directed to a heat regenerator located in a vapor heating chamber. A second power stroke is produced by injecting fluid directly into the heat regenerator... | 07/03/2001 |
| 6094915 | Method and devices for eliminating the pollution of cyclic internal combustion engines with an independent combustion chamber A pollution control method and related devices for cyclical internal combustion engines having a separate combustion chamber (1), wherein the compression chamber, the combustion chamber (1) and the expansion chamber (16) consist of three separate and enti... | 08/01/2000 |
| 5896746 | Engine assembly comprising an internal combustion engine and a steam engine An engine assembly that includes an internal combustion engine and a steam engine both designed to operate at speeds of optimal efficiency at normal engine driving conditions. A heat exchanger recovers heat losses from the internal combustion engine's exh... | 04/27/1999 |
| 5638681 | Piston internal-combustion engine The invention concerns a piston internal-combustion engine with separate compression (K) and expansion (E) chambers and a compressed-gas transfer device (7) which feeds compressed gas from the compression chambers to the expansion chambers at the beginnin... | 06/17/1997 |
| 5179839 | Alternative charging method for engine with pressurized valved cell An internal combustion engine of the gasoline-burning variety has an essentially constant maximum displacement or volume. This requires compromises in design to achieve acceptable power output at full throttle and reasonable thermal efficiency at cruising... | 01/19/1993 |
| 5121607 | Energy recovery system for large motor vehicles An energy recovery system for wheeled vehicles is characterized by a compressor/expander which operates as an expander in the run mode to assist the engine in driving the vehcile and as a compressor in the braking mode to store braking energy. A heat exch... | 06/16/1992 |
| 5035115 | Energy conserving engine An energy conserving engine particularly for heavy power requirements in freight movers and power plants, consists of an Otto cycle Diesel engine modified to receive superheated water injection for steam operation. The waste energy resulting from heat due... | 07/30/1991 |
| 4894995 | Combined internal combustion and hot gas engine A combined internal combustion and hot gas engine employs a working space surrounding a cylinder in an engine block. A piston reciprocates within the cylinder between combustion and expansion ends. A working fluid fills the working space and is moved by a... | 01/23/1990 |
| 4817388 | Engine with pressurized valved cell An internal combustion engine has an auxiliary cell connected thereto by a transfer valve. Approximately isothermally compressed gas, which may be a combustible mixture, is introduced into the cell through an input valve. A displacer piston in the cell is... | 04/04/1989 |
| 4809511 | Internal combustion engine An improved six cycle internal combustion engine is provided comprised of an engine block; a crank shaft mounted within said engine block; at least one cylinder within which a piston is slidably mounted and operably connected to said crank shaft; a valve ... | 03/07/1989 |
| 4798053 | Kinetic energy reclaiming system for vehicle A vehicle kinetic energy reclaiming system employs the vehicle's engine (10) to compress air when the vehicle decelerates and reuses the stored compressed air to drive an air motor (78) which assists in powering the vehicle when it is underway again. When... | 01/17/1989 |
| 4783963 | Internal combustion steam engine A high temperature, high pressure, four-cycle piston engine having two companion cylinders or multiple pairs of companion cylinders connected by a transfer valve or valves and working together to complete the four-cycle operation. The internal combustion ... | 11/15/1988 |
| 4779576 | Water cooled scavenged crankcase type otto internal combustion engine In an internal combustion type engine having a piston disposed within a cylinder, a plurality of ceramic cylinder inner surface sections are provided for covering surfaces of the cylinder chamber and the piston which are directly exposed to the ignited co... | 10/25/1988 |
