Pressure relief device for high pressure vessel
US-2024218982-A1 · Jul 4, 2024 · US
Safety valve
US9945489B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9945489-B2 |
| Application number | US-201414917156-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 15, 2014 |
| Priority date | Oct 15, 2013 |
| Publication date | Apr 17, 2018 |
| Grant date | Apr 17, 2018 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A safety valve mounted on a container and configured to release gas in a container in the case where the temperature rises, in which the safety is secured and a cost reduction is achieved. A movable body 12 includes a shaft portion 21 on which a compression coil spring 13 is fitted and a flange portion 22 configured to come into contact with a fusible alloy 11 by being urged by the compression coil spring 13 . The flange portion 22 of the movable body 12 is provided with through holes 35 configured to discharge the fused fusible alloy 11 into a compression coil spring arrangement space 30.
First claim
Opening claim text (preview).
The invention claimed is: 1. A safety valve comprising: a cylindrical housing provided with a fusible material, a movable body configured to move in association with fusion of the fusible material and a compression coil spring configured to urge the movable body toward the fusible material; a main body fixed to the housing; a movable plug body arranged in a movable plug body arrangement passage in the main body and configured to move in association with the movement of the movable body; a seal ring fitted to an outer periphery of the movable plug body and the seal ring is in tight contact with an inner peripheral surface of the moveable plug body arrangement passage; a relief passage communicating with the movable plug body arrangement passage and configured to be opened by the movement of the movable plug body, wherein the movable body includes a shaft portion to which the compression coil spring is fitted, and a flange portion coming into contact with the fusible material by being urged by the compression coil spring, and the flange portion of the movable body is provided with through holes configured to discharge the fused fusible material into a compression coil spring arrangement space which is enclosed between the cylindrical housing and the movable body; and wherein the movable plug does not move into the compression coil spring space when the relief passage is opened. 2. The safety valve according to claim 1 , wherein counter borings are formed at edge portions of the through holes opening into the compression coil spring arrangement space. 3. The safety valve according to claim 1 , wherein the shaft portion of the movable body is provided with an annular groove communicating with the through holes at an end portion on the flange portion. 4. The safety valve according to claim 2 , wherein the shaft portion of the movable body is provided with an annular groove communicating with the through holes at an end portion on the flange portion.
Assignees
Inventors
Classifications
- F16K17/383Primary
the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug (F16K17/386 takes precedence) · CPC title
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Frequently asked questions
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- What does patent US9945489B2 cover?
- A safety valve mounted on a container and configured to release gas in a container in the case where the temperature rises, in which the safety is secured and a cost reduction is achieved. A movable body 12 includes a shaft portion 21 on which a compression coil spring 13 is fitted and a flange portion 22 configured to come into contact with a fusible alloy 11 by being urged by the co…
- Who is the assignee on this patent?
- Fujikin Kk, Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification F16K17/383. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 17 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).