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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...
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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...
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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...
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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...
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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...
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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 that...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 the...
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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...
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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 heat...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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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4748811 |
Supercharged diesel type apparatus for the generation of power
A power production apparatus comprises a Diesel engine having a plurality of sequentially operating motor cylinders and a plurality of alternating air compressor cylinders. Each motor cylinder has...
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4635590 |
Internal combustion engine and operating cycle therefor
An internal combustion engine includes a plurality of cylinders arranged parallel to and equally spaced from a longitudinally extending engine axis with a pair of opposed pistons mounted in each...
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4592309 |
Internal combustion engine
The present invention relates to an improved internal combustion engine which separates the compression stroke from the power generator. In particular, the invention utilizes a cam profiled power...
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4506634 |
Internal combustion engine
An engine in which the compression and expansion functions are separated to enable: higher efficiency by eliminating inlet throttling, providing stable lean combustion of premixed or injected fuel,...
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4489560 |
Compound internal combustion engine and method for its use
A compound internal combustion engine having an efficiency materially higher than that of an engine operating on the conventional Otto or Diesel cycle. This is accomplished by using the heat of the...
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4476821 |
Engine
An engine has preferably coupled together a reciprocating air compressor discharging through a heat exchanger into a reciprocating cylinder piston combination, the flow into the piston cylinder...
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4473051 |
Internal combustion engine
An illustrative embodiment of the invention provides a four cycle internal combustion engine that produces one power stroke for each full rotation of the crankshaft. Direct fuel and oxidizer...
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4458635 |
Two-cycle internal combustion engine
In a valve in head two-cycle internal combustion engine, a slave piston and a power piston reciprocate in a pair of parallel cylinders. Valve opened and closed intake and exhaust ports respectively...
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4418657 |
Split cycle internal combustion engines
The high pressures in the combustion chambers of split cycle internal combustion engines require higher voltages to be applied to spark plugs than are utilized in conventional Otto cycle engines,...
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4372257 |
Drive aggregate for a heat pump
A drive aggregate for a heat pump includes a cylinder block defining cavities for forming at least one cylinder of an internal combustion engine and at least one cylinder of a compressor driven by...
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4344405 |
Internal combustion engine
An internal combustion engine having both an air-fuel mixture and exhaust in the cylinder during the compression stroke with one of the air-fuel mixture and exhaust being in the cylinder at the...
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4333424 |
Internal combustion engine
The engine has a compressor which compresses air for delivery via a heat exchanger to an expander. The expander receives the compressed air and fuel and, while combustion occurs during a power...
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4300486 |
Internal combustion engine system technical field
An internal combustion engine 10 wherein no compression function is carried out in the engine 10 and including a tank 30 of compressed air, a pressure regulator 34, a fuel injector 28, and means 40...
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4230075 |
Internal combustion engine
An internal combustion engine method and apparatus wherein most or all of the air compression required for combustion is done outside of the internal combustion engine and out of heat exchange...
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4211082 |
Internal combustion engine with free floating auxiliary piston
An internal combustion engine is disclosed. The engine includes a power cylinder, a power piston reciprocating therein and being connected to a rotating output crank. A free floating double acting...
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4206727 |
Two-stroke-cycle engine having an auxiliary piston and valve arrangement, and its associated drive mechanism
The invention provides a two-stroke-cycle engine which has a main piston, and an auxiliary piston and transfer valve arrangement. and its associated drive mechanism. The engine has also at least...
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4185597 |
Self-supercharging dual piston engine apparatus
Internal combustion engine apparatus includes a dual piston with a plurality of intake ports having reed type check valves.
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4157080 |
Internal combustion engine having compartmented combustion chamber
The invention resides in a fuel efficient internal combustion engine employing a substantially constant volume combustion method and a moderate equivalent compression ratio. The engine has an air...
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4040400 |
Internal combustion process and engine
An internal combustion process and engine in which the chemical energy of a fuel is converted into heat by timed combustion using self-ignition and into kinetic energy by expansion of the hot...
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