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.

Date of Patent:
May. 02, 2017

Filed:

Aug. 22, 2011
Applicants:

Atsushi Minegishi, Tokyo, JP;

Daisuke Takenaka, Tokyo, JP;

Inventors:

Atsushi Minegishi, Tokyo, JP;

Daisuke Takenaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/12 (2006.01); F04D 19/00 (2006.01); F04D 17/12 (2006.01); F04D 25/16 (2006.01); F04D 29/42 (2006.01); F04D 29/58 (2006.01); F04D 29/063 (2006.01);
U.S. Cl.
CPC ...
F04D 19/007 (2013.01); F04D 17/12 (2013.01); F04D 25/163 (2013.01); F04D 29/063 (2013.01); F04D 29/4206 (2013.01); F04D 29/5826 (2013.01);
Abstract

A turbo compressor is provided that has first, second and third stage compressor blades rotated by a large gear shaft via an acceleration device, and includes a cast integral casing () which forms an acceleration unit cover housing the acceleration device, compression unit covers housing the compressor blades, and first, second and third stage cooler chambers () which are arranged in parallel at a lower portion thereof, which communicate with the compressor unit covers by fluid passages, and into which first, second and third stage coolers are inserted from the side thereof. An oil tank () is integrally formed with the cast integral casing () so as to run along an insertion-directional innermost side of the coolers of the parallel-arranged first, second and third stage cooler chambers ().


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