Patent ID: 9206780
Filing Date: 2015-12-08
Classification: B60P,B66C,F02B,F02D,F02N

Abstract:
1. A system, comprising: an engine; a battery operably coupled to the engine to provide power for starting the engine; a welder generator driven by the engine; an air compressor driven by the engine; a sensor configured to generate a signal indicative of whether a demand is made for air pressure from the air compressor by reference to pressure in a compressed air storage tank; and a controller configured to stop the engine when no demand is detected for welding power or for air pressure from the air compressor for a first predetermined time, and to restart the engine in response to determination that a state of charge of the battery is below a predetermined level, wherein the controller is configured to shut down its operation if no demand is detected for a second predetermined time following stopping of the engine.