Title:
SCROLL COMPRESSOR
Document Type and Number:
Japanese Patent JP2002021753
Kind Code:
A
Abstract:
To apply proper back pressure to a turning scroll even at either operation time in a scroll compressor capable of switching inside high pressure operation and inside low pressure operation.
A back pressure chamber of the turning scroll 132 is divided into a first back pressure chamber A for communicating with a driving chamber 112 and an independent second back pressure chamber B by first and second thrust rings 160 and 170, and pressure in the second back pressure chamber B is set to delivery pressure or suction pressure according to an operation mode.
Inventors:
MOROZUMI NAOYA
Application Number:
JP2000209350A
Publication Date:
January 23, 2002
Filing Date:
July 11, 2000
Export Citation:
Assignee:
FUJITSU GENERAL LTD
International Classes:
F04C29/12; F04C18/02; F04C23/00; F04C27/00; F04C28/00; F04C28/04; (IPC1-7): F04C18/02; F04C29/00
Attorney, Agent or Firm:
Takuya Ohara