초록 ▼

An engine system of the reciprocating or rotating piston type has a device such as a pressure transducer for providing an indication of when combustion of fuel takes place in the engine. The signal provided by the device over a combustion cycle is stored in a memory and compared with a signal provid

An engine system of the reciprocating or rotating piston type has a device such as a pressure transducer for providing an indication of when combustion of fuel takes place in the engine. The signal provided by the device over a combustion cycle is stored in a memory and compared with a signal provided in a following cycle to provide a more positive indication of when in the cycle, combustion of fuel starts.

대표청구항 ▼

An engine system including an engine having a piston, means for feeding fuel to a combustion chamber of the engine, means for varying the timing of ignition of fuel in the combustion chamber and means for sensing the combustion of fuel comprising a device responsive to a condition within the combust

An engine system including an engine having a piston, means for feeding fuel to a combustion chamber of the engine, means for varying the timing of ignition of fuel in the combustion chamber and means for sensing the combustion of fuel comprising a device responsive to a condition within the combustion chamber, said condition occurring when combustion of fuel starts in the combustion chamber in use, said device providing an output signal, a memory circuit for storing said output signal and a comparison circuit for comparing the stored output signal over a period of the combustion chamber cylce during which combustion of fuel will occur, obtained from said device with a similar signal produced in another cycle of operation of the combustion chamber, the output of said comparison circuit being utilized as the signal indicative of the commencement of combustion fuel in the combustion chamber.