Patent ID: 7314032
Filing Date: 2008-01-01
Classification: F02D,F16K,Y10T

Abstract:
1. A butterfly valve apparatus comprising: a valve body that has a plurality of valve passages; a plurality of valve discs that is respectively arranged in the plurality of valve passages; a plurality of valve shafts that is supported by the valve body, the plurality of valve shafts being aligned substantially in an axial direction of the plurality of valve shafts, the plurality of valve shafts respectively supporting the plurality of valve discs; and at least one connecting member that connects the plurality of valve shafts with each other, wherein the plurality of valve shafts is formed of metal, the at least one connecting member is formed of resin, the plurality of valve shafts includes two valve shafts that are adjacent to each other in an axial direction of the two valve shafts, the two valve shafts, which are adjacent to each other, form a gap therebetween in the axial direction of the two valve shafts, and the two valve shafts are connected by forming the at least one connecting member.