Patent ID: 6758235
Filing Date: 2004-07-06
Classification: F16K,Y10T

Abstract:
A control valve for regulating fuel vapor in a vehicle having a fuel tank and a recovery canister, the control valve comprising:a mounting portion having an inlet for communicating with an inside of the fuel tank and an outlet for communicating the fuel vapor from the fuel tank to the recovery canister; and a rollover assembly including a valve housing and a float, the valve housing configured for attachment to the mounting portion and having an opening therethrough in communication with the inlet of the mounting portion, the float movable within the valve housing and having a structure and a seal depending from the float in a direction of the mounting portion, the structure having a retention slot therethrough and disposed proximate the seal, the seal defining a skirt configured for movable retention in the retention slot and having an insert substantially free-floating on a pivot of the float, the seal contacting an area about the opening and the structure releasably sealing the opening when a level of fuel from the fuel tank contacts the float and urges the float in the direction of the mounting portion.