Toroidal combustion chamber with side injection

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United States of America Patent

PATENT NO 9482145
APP PUB NO 20130146021A1
SERIAL NO

13707651

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Abstract

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A toroidal combustion chamber shape with side injectors is being developed for an opposed-piston engine. Favorable combustion characteristics of such configuration are transferred to a conventional engine, i.e., one with a combustion chamber delimited by a piston, a cylinder wall, and a cylinder head. At least one injector is disposed in the cylinder head at the periphery. The fuel is injected substantially along the plane of interface between the cylinder head and the cylinder block. The intake system is configured to provide a swirling flow in the combustion chamber. The fuel is injected in an angle that is displaced from the central axis of the cylinder and directed along the swirl. In some embodiments, a substantially torus-shaped volume is formed between the piston and the cylinder head when the piston is at top center. The injector or injectors spray fuel into the toroidally-shaped volume substantially tangent to the torus.

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Patent Owner(s)

Patent OwnerAddress
ACHATES POWER INC4060 SORRENTO VALLEY BOULEVARD SAN DIEGO CA 92121

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brehob, Diana Dearborn, US 16 273
Hofbauer, Peter West Bloomfield, US 100 1831
Levy, Robert Dryden, US 46 1320

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