Suspension mechanism for high performance accelerometers
AssigneeHoneywell International Inc.
InventorPaul Dwyer
Life of this patent
Estimating the term…
Abstract
A suspension diaphragm (16) is configured to support a precision transducer (14) within a container (12). The suspension diaphragm (16) is buttressed by an underlying complaint preform (152) and an annular hybrid support (16B) disposed along the periphery of an opening of the container (12). The transducer (14) is affixed to the suspension diaphragm (16) using the compliant preform (152) and rigid epoxy in the securing channels (120). The annular hybrid support (16B) is affixed to the exterior of the container (12).
Claims33
An apparatus comprising:
- a container having an opening and a flange;
- a transducer;
- and
- a suspension assembly having a diaphragm and an annular hybrid support disposed along the periphery of the opening,
- wherein the annular hybrid support is affixed to the flange and the diaphragm straddles across the opening and holds the transducer at a space from the interior surfaces of the container.
The apparatus of claim 2, wherein the suspension assembly further comprises a compliant preform affixed to the diaphragm.
An accelerometer comprising:
- a container having an opening and a flange;
- a transducer;
- and
- a suspension assembly having a diaphragm and an annular hybrid support disposed along the periphery of the opening,
- wherein the annular hybrid support is affixed to the flange and the diaphragm straddles across the opening and holds the transducer at a space from the interior surfaces of the container.
A method of making an accelerometer comprising:
- preparing a container with an opening;
- disposing a transducer within the container interior beneath the opening, the transducer having a mounting section;
- engaging a compliant preform having channels and a first plurality of holes with the opening of the container and the mounting section;
- engaging a suspension device having a diaphragm and an annular support with the preform, and having a second plurality of holes, such that the second plurality of holes aligns with the first plurality of holes;
- securing the diaphragm to the preform via the channels;
- straddling the suspension device across the opening;
- securing the transducer to the straddled suspension device;
- routing conduits to the transducer through the aligned first and second hole plurality;
- coupling the conduits to the transducer;
- and
- securing the straddled suspension device by affixing the annular support to the container,
- wherein the transducer is held within the container and is surrounded by a space interposed between the transducer and the interior surfaces of the container.
Dependencies are inferred from the claim text.