LEAK PROOF SOLENOID VALVE WITH COMPLETELY COVERED BOBBIN FOR CONTROLLING FUEL EMISSION

DRIVE June 24, 2021
Source
A leak proof, completely sealed solenoid valve, comprising a housing having a fluid flow path controlled via an electrically operated mechanism to control a flow; the mechanism comprises metallic coil coiled around a bobbin supported by a magnetic bracket with terminal pins connected to the bobbin for receiving electrical input to facilitate an energized and de-energized state to control the movement of a poppet shaft that obstructs the flow; wherein, the bobbin comprises micro-melting fins, thereby housing over molding creates strong bond between two materials; a permanent weld is created between the bobbin and the housing to prevent internal leakage; and the completely sealed solenoid valve limits emissions and evaporations of the volatile fuel components into and from the valve, and contribute to reliability and robustness of the product by completely sealing the nozzle and housing using laser welding.

Discussion in the ATmosphere

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