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:
Mar. 26, 2024
Filed:
Jan. 27, 2021
Mitsubishi Heavy Industries Thermal Systems, Ltd., Tokyo, JP;
Hajime Sato, Tokyo, JP;
Makoto Takeuchi, Tokyo, JP;
Genta Yoshikawa, Tokyo, JP;
Kazuhide Watanabe, Aichi, JP;
Katsuhiro Fujita, Aichi, JP;
Takayuki Hagita, Aichi, JP;
Takayuki Kuwahara, Aichi, JP;
Abstract
A scroll compressor comprising a fixed scroll (); an orbiting scroll () supported in a manner allowing for orbiting motion; a discharge port through which a fluid compressed by the two scrolls () is discharged; an end plate step portion (E) provided on an end plate of the orbiting scroll () formed so that a height of the end plate is higher on a center portion side in the direction of a spiral wrap and lower on an outer end side; and a wrap step portion (E) provided on a wall portion of the fixed scroll () that corresponds to the end plate step portion (E) so that a height of the wall portion is lower on the center portion side of the spiral and higher on the outer end side; wherein the orbiting scroll () is treated for surface hardening and the fixed scroll () is not treated for surface hardening.