Internal-combustion engines – Charge forming device – Diverse fuel supply
Reexamination Certificate
2006-06-02
2008-10-07
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Diverse fuel supply
Reexamination Certificate
active
07431024
ABSTRACT:
An engine is disclosed which may operate in a first operating state wherein a spark ignited fuel is ignited in a combustion chamber with an igniter and a second operating state wherein a compression ignited fuel is ignited in a combustion chamber with an igniter. A compression ratio in the combustion chamber being up to about eight to one. The engine may be a four-stroke engine. The engine may include a piston having a top portion with a recessed central portion.
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International Search Report and Written Opinion for PCT/US2007/070220, 6 pages.
Benning Christopher R
Buchwitz James H
Cunningham Chad M
Dahl Nathan D
Hedlund Dean J
Baker & Daniels LLP
Gimie Mahmoud
Polaris Industries Inc.
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