US Patent 7363807 Pump testing apparatus and method

A pump testing apparatus includes a support structure having a first passageway having an inlet, an outlet, and an opening for receiving a pressure gauge, and a second passageway having an inlet, an outlet and an opening for receiving a vacuum gauge; a pressure gauge operatively connected with the opening of the first passageway; a vacuum gauge operatively connected with the opening of the second passageway; first valve means for controlling the flow of fuel from the inlet to the outlet of the first passageway; and second valve means for controlling the flow of fuel from the inlet to the outlet of the second passageway.