Patent ID: 8418566
Filing Date: 2013-04-16
Classification: G01F

Abstract:
1. A multilayered flow passage member including partition plates that are placed in an angular-sleeve-shaped measurement flow passage formed in an ultrasonic fluid measurement apparatus and that partition the measurement flow passage into a plurality of flat flow passages; side plates that cross the partition plates at a right angle and that support both edges of the respective partition plates; and upper and lower plates that are placed in parallel top and bottom the partition plates and that are coupled with the side plates, to thus support both edges, the flow passage member comprising: a lopsided fuse part including the fusible projections are fused by a fusing device while the partition plates are inserted into the respective side plates, thereby fixing the partition plates to the respective side plates, and wherein a fused state produced by the fusing device is caused to change according to either side of each of the partition plates, in such a way that clearance between the insert holes and the respective partition plates is formed in a given direction.