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Compact engine shutdown valve

  • US 5,203,536 A
  • Filed: 03/05/1992
  • Issued: 04/20/1993
  • Est. Priority Date: 01/20/1992
  • Status: Expired due to Fees
First Claim
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1. An engine shutdown valve comprising a housing, a gate within said housing and being pivotable about an axis, an air flow passage extending through said housing and having a longitudinal axis parallel to said axis of said gate, a first spring acting between said gate and said housing to bias and move said gate from a first position wherein said air passage is substantially unobstructed to a second position wherein said passage is closed, a drive operably connected to said gate, and a piston assembly having a piston acting on said drive, said piston having a first retaining position in said drive to retain said gate when said gate is in said first position and a second position out of engagement with said drive when said gate is in said second position so as to release said gate from said first position, said housing being made from two assemblies, said assemblies being joined together in a plane which is transverse to the plane of movement of said gate.

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