Patent ID: 9470198
Filing Date: 2016-10-18
CPC Classification: F02M

Claim Text:
1. A valve for metering fluid, comprising: a valve assembly to meter the fluid; a hydraulic coupler assigned to the valve assembly, the coupler having a housing cup including a cup bottom, a cup wall and a cup opening, a piston, which is guided in the housing cup so as to be axially displaceable and which delimits a fluid-filled coupler gap by the cup bottom, and which delimits an annular gap by the cup wall, and having a cap-shaped diaphragm having a cap bottom and a cap shell, which covers the annular gap by the cap bottom at the cup opening, and overlaps the cup wall of the housing cup by the cap shell, and which is fixed in place in fluid-tight manner at the piston and the cup wall, wherein the cap shell includes elastic deformation regions, wherein the elastic deformation regions are formed by indentations which follow one another in the circumferential direction, point radially to the inside and extend in the axial direction.