The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2017
Filed:
Oct. 26, 2011
Nobutaka Ohya, Yokohama, JP;
Noriya Tokunaga, Yokohama, JP;
Tetsuo Hayase, Toyama, JP;
Masahiro Takahashi, Ichihara, JP;
Nobutaka Ohya, Yokohama, JP;
Noriya Tokunaga, Yokohama, JP;
Tetsuo Hayase, Toyama, JP;
Masahiro Takahashi, Ichihara, JP;
MITSUI ENGINEERING & SHIPBUILDING CO., LTD., Tokyo, JP;
Abstract
To enable long-term continuous operation by preventing blocking of a reaction pipe line disposed in a multi-pipe or double-walled-pipe heat exchanger, provided is a device for producing gas hydrate including a multi-pipe or double-walled-pipe devicefor generating gas hydrate having a reaction pipe linefor flowing raw material water w and raw material gas g and a coolant circulation regionfor circulating a coolant c and thereby cooling the reaction pipe line, wherein a coil springextending in the longitudinal direction of the reaction pipe lineis provided in the reaction pipe line