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Patent Searching and Data


Title:
SCROLL FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/043362
Kind Code:
A1
Abstract:
Provided is a scroll fluid machine that is capable of improving performance of the scroll fluid machine by effectively exhibiting a tip seal function even when a continuous slope is provided to a wall body and an end plate. A slope in which the distance between opposing surfaces of opposing end plates (3a, 5a) reduces from the outer peripheral side toward the inner peripheral side is provided, and a tip seal (7) that comes into contact with an opposing tooth bottom so as to seal a fluid is provided to a tip seal groove (3d) formed at a tooth tip of the wall body (3b, 5b) corresponding to the slope. A plate spring (11) that urges the tip seal (7) to the tooth bottom side is provided between the tip seal (7) and the groove bottom (3d1) of the tip seal groove (3d).

Inventors:
SATO HAJIME (JP)
KIMATA YOSHIYUKI (JP)
HOTTA YOHEI (JP)
Application Number:
PCT/JP2017/030636
Publication Date:
March 08, 2018
Filing Date:
August 25, 2017
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F04C18/02
Foreign References:
JP2002303281A2002-10-18
JPH07259762A1995-10-09
JPH0318601A1991-01-28
JP2015055173A2015-03-23
Other References:
See also references of EP 3444476A4
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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