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5870980 |
Stepped piston internal combustion engine
A stepped-piston, internal-combustion engine includes at least one cylinder, each cylinder having a working part of lesser diameter defined by a cylindrical wall and a pumping part of greater...
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5857450 |
Low emission two cycle engine using two segment piston
An internal combustion engine is provided with a top hat piston disposed in a cylinder having first and second portions of different diameters. The piston, with first and second portions of...
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5540195 |
Vuka two-stroke engine
An improved two-stroke internal combustion engine utilizing a vacuum chamber to create vacuum, which sucks the exhaust out from the combustion chamber, and forces the charge into it.
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5189995 |
Stepped piston engine
A stepped piston engine comprises first (10), second (11) and third (12) stepped cylinders, each cylinders (10,11,12) having a larger diameter pumping part (10p,11p,12p), and a smaller diameter...
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5115768 |
Combustion engine for hydrogen
In order to improve a combustion engine for hydrogen comprising a main piston which is displaceable in a main cylinder in a stroke direction between a top dead center, forming a minimum main...
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4836150 |
Combined fluid pump and two-cycle, internal combustion engine
An internal combustion engine having a bi-diameter or stepped piston between a combustion chamber and crankcase. Piston outlet means is provided in the smaller upper piston portion which permits...
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4781153 |
Internal combustion engine
An internal combustion engine has a pair of stepped cylinders (14,15) in which stepped pistons (P1,P2) are received, each cylinder (14,15) and piston (P1,P2) having a pumping part of larger...
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4586465 |
Internal combustion engine
An internal combustion engine has a cylinder with a porting ring adjacent the cylinder head to reduce the diameter of the cylinder. The piston in the cylinder has a reduced diameter crown portion...
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4478180 |
Crankchamber precompression type two-cycle internal combustion engine
A crankchamber precompression type two-cycle internal combustion engine including cylinder assemblies of an even number consists of at least one pair of cylinder assemblies having working cycles...
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4070999 |
Gasoline engine of four-cycle spark ignition type
A gasoline engine of four-cycle spark ignition type comprises a piston-cylinder assembly having a piston including a partition and a combustion chamber separated into two compartments by the...
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4069794 |
Positive power control internal combustion engine
The two-stroke engine has a piston mounted in a cylinder having a full diameter bore throughout its major length and a reduced diameter upper bore portion. The piston has the same configuration and...
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0997258 |
Title is not available
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1004720 |
Title is not available
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1001485 |
Title is not available
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