Two-stage-coordination type eight-stroke engine

Details Two-stage-coordination type eight-stroke engine Two-stage-coordination type eight-stroke engine

2009-09-25

2010-10-05

Kamen, Noah (Department: 3741)

Internal-combustion engines

Four-cycle

Having subcharger associated with the cylinder

C123S059600

Reexamination Certificate

active

07806101

ABSTRACT:
The present invention provides a two-stage-coordination type eight-stroke engine for controlling the air-flows of the eight-stroke-operation and preventing the backfiring in the coordinate-port during the injection-process, so the coordinate-valve and the coordinate-port can be kept within the operational temperature in the heavy load operation; the two-stage-coordination system will open the coordinate-valve twice during each round of the eight-stroke-operation, so the hot-combustion-medium of the master cylinder will be mixing with the flow of the high-density-air in a conceal environment after the coordinate-valve is shut with the pressure difference, thereby reducing the heat loss and preventing the irreparable damage due to the backfiring effect.In addition, the two-stage-coordination type eight-stroke engine also improves the response time of the coordinate-valve to the engine load changes and the engine rpm changes, while sustaining a fuel efficiency over 35% for gasoline type eight-stroke engine and 45% for the diesel type eight-stroke engine.

REFERENCES:
patent: 6698405 (2004-03-01), Bigi

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