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US 2017/0204987 A1Published application
Control regulator diaphragm assembly with integrated pressure relief
AssigneeFisher Controls International LLC
InventorTrenton F. Jackson
Life of this patent
Estimating the term…
Abstract
A control regulator includes a diaphragm assembly with an integrated pressure relief mechanism. The diaphragm assembly includes a diaphragm with a locally weakened area and a diaphragm plate with an opening aligned with the locally weakened area.
Claims20
A diaphragm for a control regulator, the diaphragm comprising:
- an upper layer;
- a middle layer;
- and
- a lower layer,
- wherein the diaphragm includes a locally weakened area that forms a pressure relief mechanism.
2 more elements
A diaphragm assembly for a control regulator, the diaphragm assembly comprising:
- a diaphragm including an upper layer, a middle layer, a lower layer, and a locally weakened area that forms a pressure relief mechanism;
- and
- a diaphragm plate that supports the diaphragm.
A control regulator comprising:
- a valve body forming a fluid inlet and a fluid outlet connected by a fluid passageway;
- a valve plug disposed within the valve body, the valve plug cooperating with a valve seat to control a flow of fluid through the valve body;
- an actuator coupled to the valve body, the actuator including a diaphragm assembly that is operatively connected to the valve plug by a valve stem, the diaphragm assembly including a diaphragm having an upper layer, a middle layer, a lower layer, and a locally weakened area that forms a pressure relief mechanism;
- and a diaphragm plate that supports the diaphragm.
1 more element
Dependencies are inferred from the claim text.