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Title:
SCROLL COMPRESSOR
Document Type and Number:
Japanese Patent JP3173267
Kind Code:
B2
Abstract:

PURPOSE: To prevent reverse rotational operation of a scroll compressor so as to enhance reliability of a compression mechanism unit, a slide unit and the like in the case where a discharge pressure is increased caused by a failure or the like of a fan of a heat exchanger.
CONSTITUTION: An electric motor unit 2 and a compression mechanism unit 3 are housed inside a closed container 1, in the upper portion of which a discharge chamber 4 is provided for temporarily storing discharge gas. A suction chamber 5, where a suction gas pressure acts, is disposed in the lower portion of the closed container 1. The electric motor unit 2 is contained in the suction chamber 5, and a pressure relief valve 7 is disposed on a partition wall 6 between the discharge chamber 4 and the suction chamber 5. A thermal response type overcurrent protector 13 for the electric motor unit 2 is provided in the vicinity of an outlet on a low pressure side of the pressure relief valve 7.


Inventors:
Sadayuki Yamada
Nobuyuki Shiratake
Hiroyuki Fukuhara
Shigeru Muramatsu
Application Number:
JP33636493A
Publication Date:
June 04, 2001
Filing Date:
December 28, 1993
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F04B49/10; F04C2/107; F04C29/00; F04C18/02; F04C18/107; F04C28/28; H01H71/14; (IPC1-7): F04C18/02; F04C29/00
Domestic Patent References:
JP7506883A
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)