Patent ID: 7654084
Filing Date: 2010-02-02
Classification: F02B,F02D,F02G,F02M,F23D,F23K,F23N,G05D,Y02T

Abstract:
1. A pump system for controlling a flow of a gaseous fuel from a fuel supply into a pressurized combustion chamber of an external combustion engine, the system comprising: a. a pump, the pump having an inlet and an outlet, the inlet connected to the gaseous fuel supply, the gaseous fuel supply having a pressure, and the outlet connected to the combustion chamber of the external combustion engine, wherein the pump raises the pressure of the gaseous fuel whereby the pressure of the gaseous fuel is higher at the outlet; and b. a controller in signal communication with the pump, the controller modulating the pump with a control signal to control the flow of the gaseous fuel to the chamber.