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US 12,164,314 B2Granted
Multi-function three-stage pressure regulator
AssigneeBayotech, Inc.
InventorStephen A. Carter
Life of this patent
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Abstract
An integrated pressure regulator is provided with three stages configured to reduce an extreme tank pressure down to a typical working pressure. The regulator is configured to supply a steady working pressure until the tank pressure is reduced to little more than the working pressure itself. Stages of the pressure regulator are integrated into a body and arranged to minimize regulator mass and volume. A thermally-triggered pressure relief device may be included with a triggering time adapted to enhance the safety of smaller cylinders that may be used, e.g., in aerial applications.
Claims18
A pressure regulator comprising:
- a first stage regulator, and a second stage regulator, wherein the first stage regulator is connected along a flow path between an inlet and the second regulator, and the second stage regulator is connected along the flow path between the first stage regulator and an outlet, and wherein a depression is defined on a piston of the second stage regulator, the depression configured to allow flow when the piston of the second stage regulator reaches a stop;
- a pressure relief device connected along the flow path between the first stage regulator and the inlet;
- and
- a pressure sensor connected along the flow path between the first stage regulator and the inlet.
1 more element
Dependencies are inferred from the claim text.