Patent ID: 6871629
Filing Date: 2005-03-29
Classification: B60H,F02D,F02M,F25B,F25D

Abstract:
1. A method of operating a refrigeration system, the refrigeration system comprising: a compressor driven by a diesel engine coupled to an inline fuel injection system; a fuel line connecting the fuel injection system to a fuel source; a fuel pump disposed along the fuel line for drawing fuel from the fuel source to the fuel injection system; and a fuel filter disposed along the fuel line, wherein the method is designed to prevent the fuel pump from drawing excess air into the fuel line, the method comprising: providing a fuel pressure monitoring device disposed along the fuel line; automatically shutting down the engine if the fuel pressure monitoring device records a first condition; restarting the engine in a restricted mode; and operating the engine in an unrestricted mode if the fuel pressure monitoring device records a second condition; and shutting down the engine if the fuel pressure monitoring device does not record the second condition.