Patent ID: 9528486
Filing Date: 2016-12-27
CPC Classification: F02M

Claim Text:
1. An automobile fuel system pressurization apparatus comprising: an inflatable bladder having a proximal end, a distal end, an exterior surface, and an inlet accessing an interior, the inflatable bladder being deformable between an expanded state and a deflated state, wherein in the expanded state the exterior surface of the inflatable bladder is configured to provide an air-tight seal in a filler neck of a fuel tank; a pump coupled to the inlet of the inflatable bladder and being configured to supply air pressure to the interior of the inflatable bladder; and a pressure relief valve disposed at the distal end of the inflatable bladder and in fluid communication with the interior of the inflatable bladder, wherein when the inflatable bladder is in the expanded state, the pressure relief valve is configured to release a portion of the air pressure from the interior of the inflatable bladder into the fuel tank.