Padmini Vna Mechatronics Pvt. Ltd.

Padmini Vna Mechatronics Ltd.

Varun Kumar

Kabir Bhandari

Amardip Kumar

Sahil Singla

Torsten Gerlich

Krishan Kant Sharma

The present invention provides an improved fuel tank isolation valve (). In particular, the invention is directed to provide an improved fuel tank isolation valve () which is normally open for one time delivery condition of the valve to enable refuelling function at the time of vehicle assembly. Said valve () comprises of a valve housing () and a solenoid housing (), wherein the solenoid housing () includes one latch assembly that locks the moving core () in radial or axial direction to provide an intermediate latching position for single operation.

Fuel tank isolation valve with intermediate position latching for single operation

A fuel tank isolation valve, wherein, the shaftis assembled coaxially inside holeof moving plungerof seal sub assemblyand then flow limiteris guided over the shaftthrough guiding holeto maintain sealing seatin parallel with respect to the sealing surfaceof rubber sealand avoid misalignment of flow limiterwith respect to sealing surfaceduring and after the operation; the sealing seatof flow limiteron the sealing surfaceof the rubber sealfixed into moving plungerof seal sub assemblyperforms the over pressure relief function; the sealing surfaceof rubber sealfixed into moving plungerof seal sub-assemblyis resting on surfaceof nozzle bodyto perform over vacuum relief function; and the rubber sealassist both over pressure relief (OPR) and over vacuum relief (OVR) function.

Fuel tank isolation valve with single seal, improved axis alignment and robust leak proof solenoid

Growing community of inventors

Gurgaon, India

Varun Kumar