COMPRESSOR - HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

Title:

COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2021/065037

Kind Code:

A1

Abstract:

This compressor comprises: a piston which reciprocates inside a cylinder; a valve plate for closing up an end of the cylinder; a connecting rod which supports the piston; a crankshaft which imparts a rotational force to an end of the connecting rod; and a crankcase which rotatably supports the crankshaft, wherein the piston is an oscillation piston that reciprocates while oscillating inside the cylinder in response to rotation of the crankshaft, the central axis of the inner diameter of the cylinder is disposed at a position that is shifted, by an offset e, with respect to the rotational center axis of the crankshaft, and the piston has a top face that comes to be substantially parallel to a crankcase-side face of the valve plate when the piston is at top dead center.

Inventors:

NARISAWA NOBUYUKI (JP)
UMEDA KEN (JP)
GOTO SHO (JP)
SUZUKI TATSUYA (JP)

Application Number:

PCT/JP2020/010175

Publication Date:

April 08, 2021

Filing Date:

March 10, 2020

Export Citation:

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Assignee:

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)

International Classes:

F04B39/00

Foreign References:

JP2014126001A	2014-07-07
JP2016537559A	2016-12-01
JP2001271744A	2001-10-05
JPH1089253A	1998-04-07
JPH07208368A	1995-08-08
JP2016531228A	2016-10-06
JP2008196341A	2008-08-28
JP3206366U	2016-09-15
JP3174674U	2012-03-29
JP2004092638A	2004-03-25

Other References: