Apertured valve sheet deformation fuel injector for engine

Apertured valve sheet deformation fuel injector for engine

  • CN 101,592,106 A
  • Filed: 04/24/2009
  • Published: 12/02/2009
  • Est. Priority Date: 04/24/2009
  • Status: Active Application
First Claim
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1. apertured valve sheet deformation fuel injector for engine, comprise:

  • housing (1), oil-feed interface (6), it is characterized in that;

    in described housing (1), be provided with valve body (2), described valve body (2) is by valve head (20), valve rod (21), bonnet (22) is formed, described valve head (20) is positioned at the lower end of described valve body (2), described valve head (20) is established valve seal district (23), on the inwall of described housing (1), establish supporting structure (10), locate to establish elastic valve plate (5) in described supporting structure (10), described elastic valve plate (5) is supported by described supporting structure (10), described elastic valve plate (5) is certainly outside to inside by sealing Support (51), elastic region (52) and seat oral region (53) constitute, described seat oral region (53) is provided with the through hole (531) that matches with described valve seal district (23), described through hole (531) is made as the plane with the sealing surface that described valve seal district (23) matches, the conical surface or curved surface, described sealing Support (51) is tightly connected with described housing (1), the described bonnet (22) of described valve body (2) is tightly connected with the upper end of described housing (1), and the inner chamber of described housing (1) is through described oil-feed interface (6) and oil pipe (61) and timing pulse fuel source (7) UNICOM.

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