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. 17, 1995
Filed:
May. 24, 1994
Toshiyuki Nakamura, Shizuoka, JP;
Takashi Yamamoto, Shizuoka, JP;
Hiroshi Ogawa, Shizuoka, JP;
Norihide Kobayashi, Shizuoka, JP;
Fumiaki Sano, Shizuoka, JP;
Masahiko Oide, Shizuoka, JP;
Katsuyoshi Wada, Shizuoka, JP;
Minoru Ishii, Shizuoka, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A scroll type compressor comprising: a fixed scroll and an orbiting scroll which have their base plates provided with wraps thereon, the wraps being combined to form a compression chamber therebetween; a frame for fixedly supporting the fixed scroll, the frame having a bearing at a central portion; a crankshaft supported by the frame bearing to be rotatable, and having an electric motor rotor to give torque to the orbiting scroll; a subframe having a central portion provided with a bearing for supporting a lower end of the crankshaft; the frame having an upper annular surface and an outer peripheral wall portion extending upwardly from the upper annular surface; the orbiting scroll is disposed within the peripheral wall portion; and a plate is disposed above the upper annular surface and below the base plate of the orbiting scroll.