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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/187272
Kind Code:
A1
Abstract:
Provided is a rotary compressor in which a supply amount of an oil through an oil supply hole can be appropriately adjusted with a simple configuration. The present invention is provided with, inside a sealed container (10): a drive motor (20); a first stage rotary compression mechanism (30) and a second stage rotary compression mechanism (31) which are driven by the rotation of the drive motor (20); and an intermediate partitioning plate (32) provided between the first stage rotary compression mechanism (30) and the second stage rotary compression mechanism (31), wherein, on the intermediate partitioning plate (32), an oil supply passage (61) is provided which extends from the center of the sealed container (10) toward the outside, an oil supply hole (62) is formed through which the oil supply passage (61) and a second compression chamber (50) of the second rotary compression mechanism (31) communicate each other; and the oil supply hole (62) is formed at a position which is opened when a second roller (53) of the second rotary compression mechanism (31) is at a position other than a compression stroke.

Inventors:
OGASAWARA Hirotsugu
Application Number:
JP2018/038727
Publication Date:
October 03, 2019
Filing Date:
October 17, 2018
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
F04C29/02; F04C18/356; F04C23/00
Foreign References:
JP2004293330A2004-10-21
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (Sonic-City Bldg. 18F, 1-7-5 Sakuragi-cho, Omiya-ku, Saitama-sh, Saitama 69, 〒3308669, JP)
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