Patent ID: 8479763
Filing Date: 2013-07-09
Classification: B60K,Y10T

Abstract:
1. A safety valve for a liquid tank comprising: a buoyant member that is actuated both mechanically for roll over protection and electronically to selectively vent fuel vapors; a housing including at least one inlet orifice and at least one outlet orifice, the buoyant member moving inside said housing in response to presence of liquid inside the housing and configured to close the outlet orifice when in a high position; a solenoid or magnetic coil configured to act on a position of the buoyant member when energized, the solenoid or magnetic coil including a shaft rigidly coupled to the buoyant member so as to move together with the buoyant member, wherein the shaft extends at least partly within the solenoid or magnetic coil, and a spring that provides a force that balances the weight of the buoyant member, wherein the buoyant member is disposed around a periphery of the spring.