Patent ID: 8807014
Filing Date: 2014-08-19
Classification: B32B,F04B,F16J,F16K,Y10T

Abstract:
1. A multi-layer diaphragm configured to be attached to a fluid device having an actuator to apply a driving force to the multi-layer diaphragm, the multi-layer diaphragm comprising: a first metallic plate configured to be deformed and displaced in a thickness direction thereof by the driving force applied from a first side thereof; a second metallic plate provided on a second side of the first metallic plate opposite to the first side, the second metallic plate being configured to be deformed and displaced in a thickness direction thereof in accordance with deformation and displacement of the first metallic plate; an elastic adhesion layer provided between and in contact with the first and second metallic plates so as to adhere the first and second metallic plates, wherein the elastic adhesion layer having elasticity in a direction of an in-plane displacement of the first and second metallic plates relative to each other; and a metallic attachment plate, the attachment plate having an attachment portion configured to be attached to the fluid device, the attachment portion projecting outwardly from an outer edge of the first and second metallic plates.