Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Reexamination Certificate
2006-10-31
2008-12-23
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Charge forming device
Gaseous fuel and air mixer
Reexamination Certificate
active
07467621
ABSTRACT:
A method of operating an engine is provided. The method may include supplying a combustible combination of reactants to a combustion chamber of the engine, which may include supplying a first hydrocarbon fuel, hydrogen fuel, and a second hydrocarbon fuel to the combustion chamber. Supplying the second hydrocarbon fuel to the combustion chamber may include at least one of supplying at least a portion of the second hydrocarbon fuel from an outlet port that discharges into an intake system of the engine and supplying at least a portion of the second hydrocarbon fuel from an outlet port that discharges into the combustion chamber. Additionally, the method may include combusting the combustible combination of reactants in the combustion chamber.
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PCT International Search Report; Applicant Ref. No. 06-436; International Appln. No. PCT/US2007/016677; Filing Date: Jul. 25, 2007; Applicant: Caterpillar Inc.
Gong Weidong
Lauper, Jr. John Christian
Thirunavukarasu Balamurugesh
Willi Martin Leo
Ali Hyder
Caterpillar Inc.
Cronin Stephen K.
Finnegan Henderson Farabow Garrett & Dunner
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