Patent ID: 7987946

Claim:
Tropicalized petroleum sector cut-off valve gear box system, comprising: a petroleum sector cut-off valve gear box, lubricated by oil or grease, new or in operation; a set of injector pipes provided at or adjacent a forward end of the gear box; a set of drainage pipes, there being at least as many drainage pipes as there are zones of low or no lubrication detected in the gear box; a pumping device for lubricant provided with a distributor tube at an output port thereof for branching the lubricant into at least two outlets, the at least two outlets being controlled by control valves that are in turn connected to flexible injector hoses with injector nozzles on distal ends thereof; said injector nozzles being adapted to be connected respectively to said injector pipes; and at least one purging hose selectively connected through a connector to each of the drainage pipes, said at least one purging hose being in turn connected to a contaminated lubricant reservoir, wherein at least two said injector pipes are disposed vertically above a horizontal midline of said gear box and at least two said injector pipes are provided vertically below said horizontal midline of said gear box, at least one of said drainage pipes is provided at a position forward of said injector pipes, at least one of said drainage pipes is provided rearwardly of the injector pipes, at least one of said rearward drainage pipes being provided in a position vertically above said injector pipes and at least one of said rearward drainage pipes being provided at an elevation corresponding to or below a vertically lowermost one of said injector pipes.