Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1980-03-03
1984-01-03
Cox, Ronald B.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123 9011, F02B 7700
Patent
active
044237090
ABSTRACT:
A method of economizing fuel consumption in operating an internal combustion engine having a group of combustion chambers of preselected numbers is disclosed. The method comprises the steps of consecutively introducing combustible fuel for ignition into each combustion chamber of the group to provide relatively high power availability for relatively high power demand, and of consecutively introducing combustible fuel for ignition into only selected combustion chamber members of the group numbering less than said preselected number to provide relatively low power availability for period of relatively low power demand.
An internal combustion engine is also disclosed comprising first and second sets of cylinders having pistons coupled with a common power train. First and second fuel intake mainfolds respectively communicate with the first and second sets of cylinders. First and second sets of intake valves are respectively mounted to the first and second set of cylinders for movement between valve opened and valve closed positions. First and second sets of rocker arms are mounted to move the first and second sets of intake valves respectively between the valve opened and valve closed positions. Cam means are provided for periodically urging the rocker arms to position member valves of the first and second sets of intake valves in the valve open positions. A set of rocker arm stops is mounted for movement into engagement with the first set of rocker arms to maintain them in a valve opened position for selected periods of time.
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