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Patent Searching and Data


Title:
COMPRESSOR
Document Type and Number:
Japanese Patent JPH03217669
Kind Code:
A
Abstract:

PURPOSE: To secure smooth operation with lubricant penetrating into a gap by providing the gap for connecting sections among a connecting rod both ends of which are formed with spherical bodies, a piston and a piston support.

CONSTITUTION: After a connecting rod 5 which has the surfaces of steel balls 6 at its both ends coated with a thin film excellent in lubricity, is installed in a compressor, the compressor is rotated for the specified numbers of revolution, and the thin film 11 coated over the surface of each steel ball 6 is peeled off so as to be removed by friction force owing to the rotation so that a gap 12 equivalent to the thickness of the thin film 11 is thereby formed between each steel ball 6 and the recessed surface if a piston support 4. In this case, the gap 12 is filled with lubricant, and smooth operation is thereby secured.


Inventors:
SATO MOTOHIRO
ITO MASARU
YAMADA TOSHIHIRO
OKADA RYOJI
OKANO CHIE
TAKAHASHI YUKIO
Application Number:
JP1063790A
Publication Date:
September 25, 1991
Filing Date:
January 22, 1990
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
F04B27/10; F04B27/08; (IPC1-7): F04B27/08
Attorney, Agent or Firm:
Katsuo Ogawa (1 person outside)