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Patent Searching and Data


Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2017/183615
Kind Code:
A1
Abstract:
This scroll compressor ensures the sufficient sliding length of a key part of an Oldham coupling, and thus has high reliability. The scroll compressor (101) is provided with a movable scroll (26) having a first key groove (26d); a stationary member (23) having a second key groove (23d); and an Oldham coupling (39) disposed between the movable scroll and the stationary member. The Oldham coupling is movable relative to the stationary member and the movable scroll along a first axis (A1) and a second axis (A2), respectively. The Oldham coupling has: an annular main body part (39a); two pairs of first key parts (39b) inserted into the first key groove; and a pair of second key parts (39c) inserted into the second key groove. A first inner circumferential edge (IE1), which is an inner circumferential edge of the annular main body part between two of the first key parts that are on the same side with respect to the first axis, has a circular arc shape. A first horizontal surface (39d1) of the annular main body part has a recess surface (39d3) which is recessed further toward the central side of the Oldham coupling than toward an imaginary extension line (VL1) of the arc of the first inner circumferential edge. The first key part has a recess part (39g) protruding from the recess surface.

Inventors:
YOSUKE YOSHINOBU
KAWAMOTO TAKAYUKI
Application Number:
JP2017/015507
Publication Date:
October 26, 2017
Filing Date:
April 17, 2017
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04C18/02
Foreign References:
JP2004100660A2004-04-02
JP2013253487A2013-12-19
JP2011510209A2011-03-31
Other References:
See also references of EP 3447294A4
Attorney, Agent or Firm:
Shinjyu Global IP (?5300054, JP)
fresh green -- a global IP patent business corporation (?5300054, JP)
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