Hazardous location diesel engine power unit with protected controls for automatic shutdown

摘要

An appropriately constructed and configured internal combustion engine with a control system to safely stop engine operation in the event of a release of flammable gas within the external area surrounding the engine that may consequently enter the engine combustion chamber is provided. The overall device includes an air intake shutoff valve and an externally located remote interface box constructed of a properly rated enclosure material housing necessary sensors and shutoff controls for automatic activation of the air intake shutoff valve. Furthermore, the device includes a separately provided operator control panel for manual override in case of other system failure, including any compromise of the remote interface box controls for any reason. The overall engine and shutdown system, as well as the method of utilizing such a system, are thus encompassed within this invention.

主权项

1. An internal combustion engine encompassing an air intake with a shutdown valve integrated therein, wherein said valve may be activated automatically or manually; said engine further comprising an engine control module housed within an explosion-proof enclosure and situated at a location remote to said engine, wherein said engine control module is connected to said engine through at least one explosion-proof cable, and wherein said engine further includes a remote operator control panel including a manual switch for overall activation and/or inactivation of said engine, wherein said remote operator control panel is connected to said engine control module through at least one explosion-proof cable meeting at least the same protection levels as the cable connecting said engine control module to said engine.