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Patent Searching and Data


Title:
SCROLL-TYPE FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/169041
Kind Code:
A1
Abstract:
Provided is a scroll-type fluid machine wherein the reliability can be improved with regard to abrasion of a power transmission mechanism having pin members and ring members. This scroll-type fluid machine is equipped with a driving scroll member (20), a driven scroll member (22), and power transmission mechanisms (26) that transmit power so as to cause the two scroll members (20, 22) to rotate synchronously and revolve relative to each other. The drive transmission mechanisms (26) are equipped with a pin (30) attached to the driven scroll member (22), a ring body (34) provided on the driving scroll member (20) and the inner circumference of which contacts the outer circumference of the pin (30), and a circular groove (32) accommodating the ring body (34) and the inner circumference of which contacts the outer circumference of the ring body (34). Among the surface pressure of the contact part where the outer circumference of the pin (30) and the inner circumference of the ring body (34) make contact and the contact part where the outer circumference of the ring body (34) and the inner circumference of the circular groove (32) make contact, the friction torque is larger for the contact part having the higher surface pressure.

Inventors:
KITAGUCHI KEITA (JP)
ITO TAKAHIDE (JP)
TAKEUCHI MAKOTO (JP)
YAMASHITA TAKUMA (JP)
HIRATA HIROFUMI (JP)
WATANABE KAZUHIDE (JP)
Application Number:
JP2017/002605
Publication Date:
October 05, 2017
Filing Date:
January 25, 2017
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND AUTOMOTIVE THERMAL SYS CO LTD (JP)
International Classes:
F04C18/02
Foreign References:
JPH03990A1991-01-07
JP2002357188A2002-12-13
Other References:
See also references of EP 3421799A4
Attorney, Agent or Firm:
FUJITA, TAKAHARU (JP)
Takaharu Fujita (JP)
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