Patent ID: 9568350
Date: 2017-02-14
CPC Classifications: F16C,G01F

Claim:
1. A gear flow meter for measuring the flow of a fluid, having a gear chamber, in which at least one measuring gear wheel is arranged, a bottom and a cover which delimit the gear chamber on end faces of the at least one measuring gear wheel, wherein a respective rotation shaft is provided centrally relative to each measuring gear wheel, wherein each measuring gear wheel is rotatably mounted and a fluid is conveyable through the gear chamber to rotate the at least one measuring gear wheel, and having a measuring unit to detect a gear rotation and evaluation means to determine a flow of the fluid through the gear chamber on the basis of the gear rotation, wherein a respective receiving area is provided between each measuring gear wheel and the bottom and also between each measuring gear wheel and the cover, in which receiving area rolling elements are arranged for mounting the respective measuring gear wheel, the rolling elements directly contact the respective measuring gear wheel, the respective rotation shaft and the bottom or cover, wherein running surfaces of the rolling elements are formed by the measuring gear wheel and the rotation shaft itself, and the rolling elements are each movable as a whole relative to the rotation shaft, the measuring gear wheel and the bottom or cover which they contact.