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Title:
RECIPROCATING COMPRESSOR
Document Type and Number:
Japanese Patent JP2019143483
Kind Code:
A
Abstract:
To prolong a replacement life of a rider ring arranged on a crosshead outer periphery of a reciprocating compressor using a crosshead piston.SOLUTION: A reciprocating compression crosshead piston using a crosshead piston has a piston part and a crosshead part. A plurality of piston rings is arranged on the outer peripheral surface of the piston part. A rider ring is arranged on the outer peripheral surface of the crosshead part. The crosshead piston has a space inside. The piston part has a first vent hole that exhausts blow-by through the internal space of the crosshead piston between the piston rings.SELECTED DRAWING: Figure 2

Inventors:
NARUSAWA NOBUYUKI
YAGI MASATO
Application Number:
JP2018025635A
Publication Date:
August 29, 2019
Filing Date:
February 16, 2018
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
International Classes:
F04B39/00; F04B39/06; F04B39/12; F16J9/00
Domestic Patent References:
JP2017066959A2017-04-06
JPS57150245U1982-09-21
JPS4913908U1974-02-05
JPS49646Y11974-01-09
JPS62107281A1987-05-18
JPH0544648A1993-02-23
JPH05141344A1993-06-08
Attorney, Agent or Firm:
Yuji Toda