Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2005-11-08
2005-11-08
Oen, William (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
C073S730000, C073S729100
Reexamination Certificate
active
06962084
ABSTRACT:
A diaphragm cover apparatus and method for a sensor are disclosed. A sensor cover is located proximate to a base. A dimple can be located centrally within the cover, wherein the dimple comprises a component that is separate from the sensor cover and diaphragm. The dimple contacts a sense element of the sensor. Additionally, a foil can be adapted for use in blocking air permeation through the sensor diaphragm, when the sensor experiences pressure. An over mold diaphragm is generally located as part of the sensor cover. The dimple itself comprises a highly polished surface to reduce stress concentrators from contacting the sense element. The dimple can be formed from materials such as stainless steel, ceramic and the like to optimize the performance of the sensor.
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PCT Notification of Transmittal of The International Search Report and The Written Opinion of the International Searching Authority, or the Declaration—Date of Mailing Dec. 9, 2004.
Fredrick Kris T.
Honeywell International , Inc.
Jenkins Jermaine
Lopez Kermit D.
Oen William
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