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US 12,618,523 B2Granted
Liquid tank, rocket, and method of manufacturing liquid tank
AssigneesIHI Corporation, MJOLNIR SPACEWORKS Co., Ltd.
InventorsYoshiki Sakaguchi, Masahiko Yamazaki, Shinichi Mishima, Thibault Bagnol, Mitsunori Itoh, Tor Viscor
Life of this patent
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Abstract
Provided is a liquid tank, including: a cylindrical seamless tank body having both end portions being reduced in diameter toward respective end sides; and a plurality of annular baffles provided inside the tank body and arranged at intervals in an axial direction of the tank body, in which at least one of the plurality of baffles is held on an inner peripheral surface of the tank body.
Claims9
A liquid tank, comprising:
- a tank body having both end portions being reduced in diameter toward respective end sides, the tank body has a cylindrical part, and the entire tank body is seamless;
- and
- annular baffles provided inside the tank body and arranged at intervals in an axial direction of the tank body, in which at least one of the baffles is held on an inner peripheral surface of the tank body,
- wherein the baffles include end baffles held on the inner peripheral surface of the tank body and normal baffles having an outer peripheral surface spaced apart from the inner peripheral surface of the tank body,
- wherein the end baffles and the normal baffles are arranged coaxially,
- wherein the baffles are connected to each other by a connecting member which is a rod-shaped member extending in the axial direction.
3 more elements
A method of manufacturing a liquid tank, comprising:
- installing annular baffles inside a cylindrical blank pipe at intervals in an axial direction of the blank pipe;
- and
- after installing the baffles inside the blank pipe, reducing both end portions of the blank pipe in diameter toward respective end sides to form a seamless tank body,
- wherein the tank body has a cylindrical part, and the entire body is seamless,
- wherein at least one of the plurality of baffles is held on an inner peripheral surface of the tank body,
- wherein the baffles include end baffles held on the inner peripheral surface of the tank body and normal baffles having an outer peripheral surface spaced apart from the inner peripheral surface of the tank body,
- wherein the end baffles and the normal baffles are arranged coaxially,
- wherein the baffles are connected to each other by a connecting member which is a rod-shaped member extending in the axial direction.
5 more elements
Dependencies are inferred from the claim text.