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9038582 Split-cycle, reactivity controlled compression ignition engine and method  
An internal combustion engine includes a first cylinder having an intake valve in fluid communication with an intake manifold, and a second cylinder having an exhaust valve in fluid communication...
8893672 Internal-combustion engine with reduced pollutants  
A method and apparatus for pumping an intake charge into an engine is disclosed herein. The fuel-powered engine utilizes a barrier between an intake manifold and a crankcase of the engine to...
8833315 Crossover passage sizing for split-cycle engine  
In split-cycle engines and air hybrid split-cycle engines, the sizing of the crossover passage is critical to engine efficiency. Efficiency can be improved by sizing the crossover passage volume...
8826870 Two-stroke engine and related methods  
A two-stroke engine includes a crankshaft that is rotatable about an axis, and an engine block that includes a combustion cylinder and a compression cylinder. A first piston is slidably disposed...
8813695 Split-cycle engine with crossover passage combustion  
Methods, systems, and devices are disclosed that generally involve split-cycle engines in which a combustion event is initiated in a crossover passage that interconnects a compression cylinder and...
8807099 Turbocharged downsized compression cylinder for a split-cycle engine  
A split-cycle engine includes an expander, the expander including an expansion piston received within an expansion cylinder. A compressor includes a compression piston received within a...
8763571 Air supply for components of a split-cycle engine  
The present invention generally relates to providing an air supply for components associated with an engine. More particularly, the present invention relates to a system and method for using...
8714121 Split-cycle air hybrid V-engine  
A split-cycle air hybrid engine with improved efficiency is disclosed in which the centerline of a compression cylinder is positioned at a non-zero angle with respect to the centerline of an...
8689745 Split-cycle air-hybrid engine having a threshold minimum tank pressure  
A split-cycle air-hybrid engine includes a rotatable crankshaft. A compression piston is slidably received within a compression cylinder and operatively connected to the crankshaft. An expansion...
8683984 Thermocompression motor  
A thermocompression motor includes a piston dividing a cylinder into a first and a second chamber and includes a heat exchanger having at least one air channel and at least one exhaust gas...
8677953 Split-cycle air-hybrid engine with air expander and firing mode  
A split-cycle air hybrid engine includes a rotatable crankshaft. A compression piston is slidably received within a compression cylinder and operatively connected to the crankshaft. An expansion...
8505504 Two-stroke engine and related methods  
A two-stroke engine includes a crankshaft that is rotatable about an axis, and an engine block that includes a combustion cylinder and a compression cylinder. A first piston is slidably disposed...
8479514 Method and device for generating compressed air and for blowing it into an internal combustion engine  
The invention relates to a method for producing compressed air and for injecting the same in an internal combustion engine, in particular a diesel motor, comprising an exhaust turbocharger. The...
8443788 Internal combustion engine  
An internal combustion engine is charged by a compressor such that for example only a fraction of the charge is supercharged for an operating cycle of the internal combustion engine and is...
8360017 Part-load control in a split-cycle engine  
An engine includes a crankshaft rotatable about a crankshaft axis. A compression piston is slidably received within a compression cylinder and operatively connected to the crankshaft such that the...
8267056 Split-cycle internal combustion engine  
A split-cycle internal combustion engine is disclosed. The engine includes a cylinder block, and a plurality of cooperating power pistons and cylinders mounted in the cylinder block. The power...
8256227 Ultra efficient engine  
An engine comprises a combustion chamber, an expansion cylinder with a piston adapted for reciprocating motion in the expansion cylinder via combustion products combusted in the combustion...
8215292 Internal combustion engine and working cycle  
Method of operating an internal combustion engine, including, at least, compressing and cooling air outside an engine chamber, supplying cooled, pressurized air to an intake port associated with...
8210138 Split-cycle engine with pilot crossover valve  
A split-cycle engine includes a rotatable crankshaft. A compression piston is slidably received within a compression cylinder and operatively connected to the crankshaft such that the compression...
8151747 Crescent-shaped recess in piston of a split-cycle engine  
The present invention generally relates to a recess in the top of a piston. More particularly, the present invention relates to a crescent-shaped recess in the top of an expansion piston of a...
8028665 Selective compound engine  
The fuel efficiency of an internal combustion reciprocating piston engine may be increased through selective secondary expansion of exhaust gas in the engine cylinders in order to recover exhaust...
8006656 Split-cycle four-stroke engine  
An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such...
7975667 Crankshaft-free drive shaft and piston assembly of a split-cycle four-stroke engine  
A drive shaft and pistons assembly of a split-cycle four-stroke engine that contains a drive rotary shaft that supports at least two circular eccentrics pivotally connected to the first ends of...
7954463 Split-cycle four-stroke engine  
An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such...
7954462 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...
7954461 Split-cycle four-stroke engine  
An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such...
7950357 Method for operating an internal combustion engine and an internal combustion engine  
An engine comprises a power cylinder having a power chamber, a compression cylinder having a compression chamber and a flow-through chamber connected with the compression chamber when a...
7942117 Engine  
An engine includes two or more serially connected air compressors coupled via a crankshaft to an expander piston and cylinder combination. An intercooler device is placed between the air...
7905204 Internal combustion engine and method with improved combustion chamber  
Constant pressure internal combustion engine having compression and expansion chambers of variable volume, an elongated combustion chamber of substantially constant volume between the compression...
7757644 Internal combustion engine and method with improved combustion chamber  
Constant pressure internal combustion engine having compression and expansion chambers of variable volume, an elongated combustion chamber of substantially constant volume between the compression...
7748351 Internal combustion engine and method with improved combustion chamber  
Constant pressure internal combustion engine having compression and expansion chambers of variable volume, an elongated combustion chamber of substantially constant volume between the compression...
7748352 Internal combustion engine and method with improved combustion chamber  
Constant pressure internal combustion engine having compression and expansion chambers of variable volume, an elongated combustion chamber of substantially constant volume between the compression...
7690337 Spark plug location for split-cycle engine  
A split-cycle engine includes separate compression and expansion cylinders connected by a crossover passage. Crossover compression and expansion valves define a pressure chamber between them in...
7658169 Internal combustion engine and method with improved combustion chamber  
Constant pressure internal combustion engine having compression and expansion chambers of variable volume, an elongated combustion chamber of substantially constant volume between the compression...
7571699 System and method for split-cycle engine waste heat recovery  
A waste heat recovery system for a split-cycle engine includes a heat exchange unit. An air compressor device is in communication with the heat exchange unit. A waste heat input receives waste...
7481190 Split-cycle engine with disc valve  
A split-cycle engine with disc valve includes a crankshaft, a power cylinder and a compression cylinder. A gas crossover passage interconnects the compression cylinder and the power cylinder. An...
7464675 Operating an air-hybrid vehicle with camshaft-driven engine valves  
An air-hybrid engine operates in two operational modes. It employs uniquely designed camshafts with cam lobe activators, and camshaft phase shifters to operate and control the engine valves. It...
7389755 Tandem-piston engine  
The piston rod of the tandem-piston engine was modified to include a crosshead that slides in a crosshead guide machined into the lower part of the charger piston for better lateral support. The...
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...
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...
7007639 Air injection engine  
An internal combustion engine of the present invention features separate compression and expansion cycles. The engine includes a separate compressor device which pressurizes air by a ratio greater...
6655327 Combustion method for an internal combustion engine  
A combustion method at a piston combustion engine showing a combustion chamber, in which a piston repeatedly moves in a work producing power stroke followed by an exhaust stroke with intermediate...
6546901 Two cycle internal combustion engine  
A crankshaft driven positive displacement gear type air compressor enclosed within the engine housing forces air in between the compressor and reciprocating means. At approximately top dead center...
5857436 Internal combustion engine and method for generating power  
An internal combustion engine includes a compression cylinder having an air inlet and outlet, a conduit extending from the compression cylinder air outlet, an expansion cylinder of larger diameter...
5755191 Two-stroke internal combustion engine with charging cylinder  
The invention concerns a two-stroke internal-combustion engine with a charging pump, an outlet channel controlled by the main piston being subjected to additional control by the charging-pump...
5694891 Internal combustion engine  
In an internal combustion engine having at least one working cylinder, a reciprocating working piston is connected by a piston rod to a second piston which can reciprocate in a supercharge...
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...
5615644 Valve arrangement in an internal combustion engine  
A valve arrangement in an internal combustion engine, into which engine the air-fuel mixture is directly injected by relative pumping elements from a pressure chamber towards at least one cylinder...
5341774 Self supercharged two stroked cycle and engine having migrating combustion chambers  
Non-symmetrical port timing techniques in combination with the 90 degree phase difference between the pumping and combustion chamber of the two stroke migrating combustion chamber engine variant...
5103645 Internal combustion engine and method  
Disclosed are methods of and means for an improved internal combustion engine performance and of substantially reduced or eliminated pollutants. A relatively slow and long burning combustion is...

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