Fuel injector with an improved poppet which is increasingly...

Details Fuel injector with an improved poppet which is increasingly... Fuel injector with an improved poppet which is increasingly...

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 61/16 (2006.01) F02M 51/06 (2006.01) F02M 61/08 (2006.01)

Patent

CA 2367292

Poppets for fuel injectors are provided with an improved sealing surface by making the poppet from a softer material than is known in the prior art. Instead of providing a Rockwell C hardness value of 50 or greater, as is known to those skilled in the art of poppet manufacture, the improved poppet is made of a softer material that allows the valve head of the poppet to wear in such a way that its shape conforms more accurately with a valve seat of the nozzle of a fuel injector. This also provides the beneficial result of improved salt water corrosion resistance. By using a softer metal to make the poppet, the improved sealing characteristic improves fuel efficiency of the engine and reduces emissions of undesirable compounds.

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