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U.S. Department of Energy
Office of Scientific and Technical Information

Diesel engine having swirl chamber and shaped flame dispersing recess in piston crown

Patent ·
OSTI ID:6373583
This patent describes an internal combustion engine which consists of: a cylinder bore having a wall; a piston having a crown, the piston being reciprocatively disposed in the bore in a manner to define a variable volume chamber; a swirl chamber into which fuel is injected; a transfer port fluidly interconnecting the combustion chamber and the swirl chamber. The transfer port arranged to introduce a charge compressed in the combustion chamber into the swirl chamber during a compression phase of the engine in a manner that the charge swirls within the combustion chamber; and a shaped recess formed in the crown of the piston.
Assignee:
Nissan Motor Co., Ltd., Yokohama
Patent Number(s):
US 4662330
OSTI ID:
6373583
Country of Publication:
United States
Language:
English