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. 16, 2024
Filed:
Feb. 26, 2020
Applicant:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Kimihiko Mitsuda, Tokyo, JP;
Shuhei Sasaki, Tokyo, JP;
Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 13/10 (2006.01); F04B 47/06 (2006.01); F04D 1/08 (2006.01); F04D 13/06 (2006.01); F04D 29/42 (2006.01); F04D 29/58 (2006.01); H02K 5/128 (2006.01); F04D 1/06 (2006.01); H02K 5/132 (2006.01); F04D 29/08 (2006.01);
U.S. Cl.
CPC ...
F04D 13/10 (2013.01); F04B 47/06 (2013.01); F04D 1/06 (2013.01); F04D 1/08 (2013.01); F04D 13/06 (2013.01); F04D 13/0646 (2013.01); F04D 29/426 (2013.01); F04D 29/588 (2013.01); H02K 5/128 (2013.01); H02K 5/132 (2013.01); F04D 29/086 (2013.01);
Abstract
A cylindrical gap is formed between a production pipe and a pump stator, the pump stator has a tubular pump casing that surrounds a plurality of pump bodies, the pump casing is provided with a penetrating portion that penetrates the pump casing in a radial direction and communicates with the gap, and the penetrating portion is formed in a portion of the pump casing that faces a pump body, which is located in an intermediate stage of the plurality of pump bodies, in the radial direction.