Patent ID: 7805990

Claim:
An arrangement comprising an air mass meter and a flow channel, wherein the flow channel has a housing section comprising a flange surrounding a receiving opening for the air mass meter, wherein the air mass meter comprises a socket with a contact surface that is facing the flange, the arrangement further comprising fastening means that attach the socket on the housing section, wherein the socket and the housing section have means for positioning the air mass meter free of play relative to a flow direction of a fluid flow that is guided in the flow channel, wherein the means for positioning free of play comprise at least two centering pins each engaging a centering opening of precise fit, wherein a height by which said at least two centering pins project past a plane of the flange is smaller than a depth of said centering opening, and wherein on the flange an additional pin is provided for each one of said at least two centering pins and spaced at a distance from said at least two centering pins, respectively, wherein said additional pins contact a bottom of a recess of the socket, respectively.