Patent ID: 8746193

Claim:
An internal combustion engine comprising: a fluid pump configured to pressurize oil; an engine cylinder configured to combust a mixture of fuel and air therein; a valve arrangement configured to deliver at least one of the air and the mixture of fuel and air to, and exhaust post-combustion gases from, the engine cylinder; a first switching mechanism and a second switching mechanism in fluid communication with each other; an oil gallery fluidly connecting the fluid pump and the second switching mechanism; and an oil squirter in fluid communication with the second switching mechanism and configured to spray the pressurized oil into the engine cylinder; wherein: the second switching mechanism is operated by the pressurized oil to selectively activate and deactivate operation of the valve arrangement; and the first switching mechanism is configured to alternately direct the pressurized oil to the second switching mechanism to deactivate the operation of the valve arrangement and to feed the oil squirter.