Valve device for turbine, turbine, and method for producing valve device and turbine
US-2019234230-A1 · Aug 1, 2019 · US
Valve seat unit
US2025035216A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2025035216-A1 |
| Application number | US-202218716321-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 12, 2022 |
| Priority date | Dec 20, 2021 |
| Publication date | Jan 30, 2025 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A valve seat unit according to an embodiment of the present disclosure, includes: a base; a valve seat including a seat surface for a valve to sit on and configured separately from the base; and a bolt securing the valve seat to the base. A head portion of the bolt is located between the seat surface and a seat back surface of the valve seat located opposite to the seat surface.
First claim
Opening claim text (preview).
1 . A valve seat unit, comprising: a valve seat including a seat surface for a valve to sit on and a seat back surface located opposite to the seat surface; a base configured separately from the valve seat and supporting the valve seat; and a bolt securing the valve seat to the base, wherein a head portion of the bolt is located between the seat surface and the seat back surface. 2 . The valve seat unit according to claim 1 , wherein the base includes a support surface in contact with the seat back surface and supporting the valve seat. 3 . The valve seat unit according to claim 2 , wherein the valve seat formed in a ring shape further includes a chamfered portion connected to one radial end of the seat back surface, wherein the base further includes a base corner portion facing the chamfered portion, and wherein the valve seat unit further comprises an O-ring disposed between the base corner portion and the chamfered portion. 4 . The valve seat unit according to claim 1 , wherein the seat surface has: an inner seat formed in an annular shape; and an outer seat formed in an annular shape so as to surround the inner seat, and wherein the bolt is located between the inner seat and the outer seat. 5 . The valve seat unit according to claim 1 , wherein the valve seat is formed by a metal material. 6 . The valve seat unit according to claim 1 , wherein the valve seat is formed by a resin material.
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Frequently asked questions
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- What does patent US2025035216A1 cover?
- A valve seat unit according to an embodiment of the present disclosure, includes: a base; a valve seat including a seat surface for a valve to sit on and configured separately from the base; and a bolt securing the valve seat to the base. A head portion of the bolt is located between the seat surface and a seat back surface of the valve seat located opposite to the seat surface.
- Who is the assignee on this patent?
- Maekawa Seisakusho Kk
- What technology area does this patent fall under?
- Primary CPC classification F16K1/427. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Thu Jan 30 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).