公开(公告)号：US20240266081A1

公开(公告)日：2024-08-08

申请号：US18596693

申请日：2024-03-06

Applicant: SMR Inventec, LLC

Inventor： Krishna P. SINGH ,  P. Stefan Anton ,  Peter Stefanovic ,  Patrick Ingravallo ,  Leyland Vann ,  Joseph Gerald Leo Rajkumar ,  Indresh Rampall

IPC: G21C7/12 ,  G21C7/10 ,  G21C7/117 ,  G21C9/004 ,  G21C13/02 ,  G21C15/12 ,  G21C15/18 ,  G21C19/10 ,  G21D1/00

CPC classification number: G21C7/12 ,  G21C7/10 ,  G21C7/117 ,  G21C9/004 ,  G21C13/02 ,  G21C15/12 ,  G21C15/18 ,  G21C19/10 ,  G21D1/00 ,  G21D1/006 ,  Y02E30/30

Abstract: Portable nuclear fuel cartridge comprising a unitary support structure and plurality of nuclear fuel assemblies that collectively form a nuclear fuel core. Control rod drive system for a nuclear reactor. A nuclear steam supply system having a shutdown system for removing residual decay heat generated by a nuclear fuel core. A nuclear reactor including a cylindrical body having an internal cavity, nuclear fuel core, and a shroud disposed in the cavity. A nuclear reactor cooling system with passive cooling capabilities operable during a loss-of-coolant accident (LOCA) without available electric power.

公开(公告)号：US09773576B2

公开(公告)日：2017-09-26

申请号：US14771018

申请日：2014-02-27

Applicant: SMR INVENTEC, LLC

Inventor： Krishna P. Singh ,  Indresh Rampall ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/24 ,  G21C13/02 ,  G21C15/243 ,  G21C9/04

CPC classification number: G21C15/24 ,  G21C9/04 ,  G21C13/02 ,  G21C15/243 ,  Y02E30/40

Abstract: A nuclear reactor in one embodiment includes a cylindrical, body having an internal cavity, a nuclear fuel core, and a shroud disposed in the cavity. The shroud comprises an inner shell, an outer shell and a plurality of intermediate shells disposed between the inner and outer shells. Pluralities of annular cavities are formed between the inner and outer shells which are filled with primary coolant such as demineralized water. The coolant-filled annular cavities may be sealed at the top and bottom and provide an insulating effect to the shroud. In one embodiment, the shroud may comprise a plurality of vertically-stacked self-supported shroud segments which are coupled together.

公开(公告)号：US20160012923A1

公开(公告)日：2016-01-14

申请号：US14771018

申请日：2014-02-27

Applicant: SMR INVENTEC, LLC

Inventor： Krishna P. Singh ,  Indresh Rampall ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/24 ,  G21C9/04 ,  G21C15/243 ,  G21C13/02

CPC classification number: G21C15/24 ,  G21C9/04 ,  G21C13/02 ,  G21C15/243 ,  Y02E30/40

Abstract: A nuclear reactor in one embodiment includes a cylindrical, body having an internal cavity, a nuclear fuel core, and a shroud disposed in the cavity. The shroud comprises an inner shell, an outer shell and a plurality of intermediate shells disposed between the inner and outer shells. Pluralities of annular cavities are formed between the inner and outer shells which are filled with primary coolant such as demineralized water. The coolant-filled annular cavities may be sealed at the top and bottom and provide an insulating effect to the shroud. In one embodiment, the shroud may comprise a plurality of vertically-stacked self-supported shroud segments which are coupled together.

Abstract translation: 在一个实施例中的核反应堆包括具有内腔的圆柱形主体，核燃料芯和设置在空腔中的护罩。 护罩包括内壳，外壳和设置在内壳和外壳之间的多个中间壳。 在内壳和外壳之间形成多个环形腔，其中填充有诸如软化水的初级冷却剂。 冷却剂填充的环形空腔可以在顶部和底部被密封，并且对护罩提供绝缘效果。 在一个实施例中，护罩可以包括多个垂直堆叠的自支撑护罩段，它们联接在一起。

公开(公告)号：US11901088B2

公开(公告)日：2024-02-13

申请号：US17088815

申请日：2020-11-04

Applicant: SMR Inventec, LLC

Inventor： Krishna P. Singh ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/243 ,  G21C7/32 ,  G21C15/26 ,  G21D1/00 ,  G21C13/073

CPC classification number: G21C15/243 ,  G21C7/32 ,  G21C15/26 ,  G21C13/073 ,  G21D1/00 ,  G21D1/006 ,  Y02E30/30

Abstract: A method for heating primary coolant in a nuclear reactor system during system start-up. A primary coolant loop fluidly couples together a reactor vessel and a steam generating vessel. The primary coolant loop is filled with primary coolant. A portion of the primary coolant is taken from the primary coolant loop and placed into a start-up sub-system. The portion is heated while in the sub-system to form a heated portion of the primary coolant. The heated portion is returned into the primary coolant loop. The method allows for the primary coolant to be heated to a no-load operating temperature.

公开(公告)号：US10580539B2

公开(公告)日：2020-03-03

申请号：US15715631

申请日：2017-09-26

Applicant: SMR INVENTEC, LLC

Inventor： Krishna P. Singh ,  Indresh Rampall ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/24 ,  G21C13/02 ,  G21C15/243 ,  G21C9/04

Abstract: A nuclear reactor in one embodiment includes a cylindrical body having an internal cavity, a nuclear fuel core, and a shroud disposed in the cavity. The shroud comprises an inner shell, an outer shell, and a plurality of intermediate shells disposed between the inner and outer shells. Pluralities of annular cavities are formed between the inner and outer shells which are filled with primary coolant such as demineralized water. The coolant-filled annular cavities may be sealed at the top and bottom and provide an insulating effect to the shroud. In one embodiment, the shroud may comprise a plurality of vertically-stacked self-supported shroud segments which are coupled together.

公开(公告)号：US20180068751A1

公开(公告)日：2018-03-08

申请号：US15715631

申请日：2017-09-26

Applicant: SMR INVENTEC, LLC

Inventor： Krishna P. Singh ,  Indresh Rampall ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/24 ,  G21C15/243 ,  G21C13/02 ,  G21C9/04

CPC classification number: G21C15/24 ,  G21C9/04 ,  G21C13/02 ,  G21C15/243 ,  Y02E30/40

Abstract: A nuclear reactor in one embodiment includes a cylindrical body having an internal cavity, a nuclear fuel core, and a shroud disposed in the cavity. The shroud comprises an inner shell, an outer shell, and a plurality of intermediate shells disposed between the inner and outer shells. Pluralities of annular cavities are formed between the inner and outer shells which are filled with primary coolant such as demineralized water. The coolant-filled annular cavities may be sealed at the top and bottom and provide an insulating effect to the shroud. In one embodiment, the shroud may comprise a plurality of vertically-stacked self-supported shroud segments which are coupled together.

公开(公告)号：US11289219B2

公开(公告)日：2022-03-29

申请号：US16695102

申请日：2019-11-25

Applicant: SMR INVENTEC, LLC

Inventor： Krishna P. Singh ,  Indresh Rampall ,  Joseph Gerald Leo Rajkumar

IPC: G21C15/24 ,  G21C13/02 ,  G21C15/243 ,  G21C9/04

Abstract: A nuclear reactor in one embodiment includes a cylindrical body having an internal cavity, a nuclear fuel core, and a shroud disposed in the cavity. The shroud comprises an inner shell, an outer shell, and a plurality of intermediate shells disposed between the inner and outer shells. Pluralities of annular cavities are formed between the inner and outer shells which are filled with primary coolant such as demineralized water. The coolant-filled annular cavities may be sealed at the top and bottom and provide an insulating effect to the shroud. In one embodiment, the shroud may comprise a plurality of vertically-stacked self-supported shroud segments which are coupled together.