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:
Mar. 03, 2020

Filed:

Jun. 11, 2015
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Shuhei Koyama, Tokyo, JP;

Masahiro Nakatani, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 18/00 (2006.01); F04C 18/07 (2006.01); F04C 18/02 (2006.01); F04C 29/00 (2006.01); F25B 31/00 (2006.01); F04C 27/00 (2006.01); F25B 41/04 (2006.01); F25B 1/10 (2006.01); F04C 29/04 (2006.01); F25B 1/04 (2006.01); F04C 29/12 (2006.01); F25B 9/00 (2006.01);
U.S. Cl.
CPC ...
F04C 18/07 (2013.01); F04C 18/0215 (2013.01); F04C 18/0238 (2013.01); F04C 18/0261 (2013.01); F04C 18/0284 (2013.01); F04C 18/0292 (2013.01); F04C 27/005 (2013.01); F04C 29/0007 (2013.01); F04C 29/042 (2013.01); F25B 1/04 (2013.01); F25B 1/10 (2013.01); F25B 31/008 (2013.01); F25B 41/04 (2013.01); F04C 18/0253 (2013.01); F04C 29/124 (2013.01); F25B 9/008 (2013.01); F25B 2400/13 (2013.01); F25B 2600/2509 (2013.01);
Abstract

A scroll compressor includes a shell, a fixed scroll and an orbiting scroll disposed in the shell, a first scroll wrap and a second scroll wrap that are provided in the fixed scroll and the orbiting scroll, respectively, and that are engaged with each other to form a plurality of compression chambers, a crankshaft that causes the orbiting scroll to perform eccentric revolving motion, a tip seal member that is inserted in the tip of the second scroll wrap along the spiral direction and that is in sliding contact with the first baseplate of the fixed scroll, and injection ports that are provided through the first baseplate of the fixed scroll and that introduce refrigerant at an intermediate pressure between suction pressure and discharge pressure into the compression chambers from the outside of the shell.


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