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Patent Searching and Data


Title:
VARIABLE DISPLACEMENT ROTARY COMPRESSOR
Document Type and Number:
Japanese Patent JP2004293552
Kind Code:
A
Abstract:

To provide a variable displacement rotary compressor for varying compression capacity to implement wide band range multistage variable displacement while narrowing rotating speed variation width of a driving motor.

The variable displacement rotary compressor comprises: a housing including a first compression chamber and a second compression chamber each having different capacity; a rotation shaft rotating in the first and second compression chambers; a compression unit selectively performing compression operation in the first compression chamber or the second compression chamber depending on change in rotation direction of the rotation shaft; and the driving motor varying the rotating speed through an electrical control while rotating the rotation shaft in a normal direction or in a reverse direction.


Inventors:
Cho, Seikai
Lee, Shoko
Application Number:
JP2004000085310
Publication Date:
October 21, 2004
Filing Date:
March 23, 2004
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD
International Classes:
F01C21/08; F04C11/00; F04C18/356; F04C23/00; F04C28/04; (IPC1-7): F04C18/356
Attorney, Agent or Firm:
伊東 忠彦
大貫 進介
伊東 忠重