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US 7,253,609 B2Granted
Encapsulated measuring apparatus for detecting a velocity and/or acceleration of a rotationally or linearly moved component
AssigneeDr. Johannes Heidenhain GmbH
InventorsRalph Schmidt, Giselher Schneider
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Abstract
An encapsulated measuring device for detecting a velocity and/or acceleration of a rotationally or linearly moved component. The device includes a measuring device housing having a wall, and a scanning unit arranged in the housing, the scanning unit including a scanning head in the form of a Ferraris sensor, and wherein an eddy current body of the Ferraris sensor includes at least a portion of the wall of the measuring device housing.
Claims13
An encapsulated measuring device for detecting a velocity and/or acceleration of a rotationally or linearly moved component, the device comprising:
- a measuring device housing comprising a wall, wherein said wall comprises a rib with two sides, wherein said rib is an extruded section of said measuring device housing;
- a scanning unit arranged in said measuring device housing, said scanning unit comprising a Ferraris sensor, wherein said Ferraris sensor comprises:
- a scanning head;
- and
- an eddy current body that comprises said rib, wherein said scanning head is positioned so as to scan said two sides of said rib and wherein an eddy current body of said Ferraris sensor comprises at least a portion of said wall of said measuring device housing.
2 more elements
Dependencies are inferred from the claim text.