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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/168344
Kind Code:
A1
Abstract:
Provided is a rotary compressor in which sufficient oil can be supplied to a vane 33 and a low-pressure-chamber-side surface of a vane groove 1 while surface pressure in the vane 33 and the vane groove 1 are minimized, by providing an oil groove 6 communicating with a vane spring hole 3 to the low-pressure-chamber-side groove surface of the vane groove 1, and arranging the oil groove 6 in a position such that the condition R + W - 2Es ≤ L ≤ R + 2Es is satisfied, where Es is the amount of eccentricity between a shaft center of a shaft 40 and piston centers of pistons 32A, 32B, R is the distance from a cylinder center O of a cylinder 31 to an inner end 1b of the vane groove 1, W is the distance from the inner end 1b of the vane groove 1 to an outer end 1a, and L is the distance from the cylinder center O to the oil groove 6.

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Inventors:
FURUYA SHIHO
HORIHATA HIDEYUKI
SHIIZAKI HIRAKU
Application Number:
JP2018/005744
Publication Date:
September 20, 2018
Filing Date:
February 19, 2018
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04C18/356
Foreign References:
JPS5970094U1984-05-12
JPH03222885A1991-10-01
JP2003269351A2003-09-25
JP2002005062A2002-01-09
JP2010112173A2010-05-20
US6658885B12003-12-09
Attorney, Agent or Firm:
ABE Shinichi et al. (JP)
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