Lucas Industries Public Limited Company

Russell A Bruce

John Howard Moore

Michael F Russell

An engine sensor includes a radiation response element which in use is coupled by a radiation transmission path with a combustion chamber of an internal combustion engine so that a signal is provided when combustion occurs in the combustion chamber. The radiation transmitting path is incorporated into a component such as an engine starting aid which is mounted in a bore in the cylinder head of the engine. In the sample a quartz rod is locating in a tubular member about which is wound an electric heating element. The quartz rod can transmit light through a powdered glass filling to a through quartz rod at the end of which is mounted the sensing element.

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Middlesex, United Kingdom

Russell A Bruce