The waste gate of variable-flow

The waste gate of variable-flow

  • CN 102,165,166 B
  • Filed: 09/25/2009
  • Issued: 05/11/2016
  • Est. Priority Date: 10/01/2008
  • Status: Active Grant
First Claim
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1. for a waste gate for turbo charged internal combustion engine system, this waste gate comprises:

  • A waste gate housing, this waste gate housing has a passage, and this passage defines a path for exhaust flow from an entrance point of this passage to a port of export of this passage,A valve (31,90), andControl the actuator that this valve moves for one,Wherein this valve (31,90) comprisesA valve top part (31), it provides the sealing surface (32) of an overlapping smooth face (36) to described waste gate housing, andAt the upwardly extending horn shape body in side (90) of valve closing, wherein said horn shape body has a basal diameter and a height from described substrate measurement, whereinDescribed valve (31,90) be arranged on this passage, for moving between a kind of closed position and a kind of open position, in the exhaust flow that valve top part described in this closed position (31) is sitting on sealing face (32) and this horn shape body (90) has blocked accordingly this passage of process among an aperture, and this open position allows the exhaust flow through this passage, andThe height of this horn shape body (90) recording on valve closing direction is to be equal to or greater than 1/2nd of this basal diameter, and wherein, along with described valve moves towards described open position from described closed position, described horn shape body lifts restrictions progressively to described aperture.

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