Global Patent Index - EP 1577554 A1

EP 1577554 A1 20050921 - Compressor

Title (en)

Compressor

Title (de)

Verdichter

Title (fr)

Compresseur

Publication

EP 1577554 A1 20050921 (EN)

Application

EP 05005188 A 20050309

Priority

JP 2004076917 A 20040317

Abstract (en)

A compressor has a valve port plate made of a steel, through which heat of compressed gas having a relatively higher temperature is transmitted to suction gas having a relatively lower temperature. The valve port plate is carburized to have a carburized layer for reducing heat transmission from the compressed gas to the suction gas.

IPC 1-7

F04B 39/10

IPC 8 full level

F04B 27/08 (2006.01); F04B 39/00 (2006.01); F04B 39/10 (2006.01)

CPC (source: EP US)

F04B 39/10 (2013.01 - EP US); F04B 39/1033 (2013.01 - EP US); F05C 2203/0808 (2013.01 - EP US); F05C 2253/04 (2013.01 - EP US); F05C 2253/16 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 1577554 A1 20050921; JP 2005264798 A 20050929; US 2005207923 A1 20050922

DOCDB simple family (application)

EP 05005188 A 20050309; JP 2004076917 A 20040317; US 8015905 A 20050315