Global Patent Index - EP 4170168 A1

EP 4170168 A1 20230426 - DISCHARGE MUFFLER FOR A REFRIGERANT COMPRESSOR

Title (en)

DISCHARGE MUFFLER FOR A REFRIGERANT COMPRESSOR

Title (de)

DRUCKSCHALLDÄMPFER FÜR EINEN KÄLTEMITTELVERDICHTER

Title (fr)

SILENCIEUX D'ÉVACUATION POUR COMPRESSEUR DE RÉFRIGÉRANT

Publication

EP 4170168 A1 20230426 (EN)

Application

EP 22203372 A 20221024

Priority

EP 21204549 A 20211025

Abstract (en)

The invention relates to a discharge muffler (700) for an encapsulated refrigerant compressor, comprising- an inlet section (704) formed by a discharge connector head (730), the discharge connector head (730) defining a first discharge muffler volume (701),- a discharge muffler housing enclosing an inner housing volume,- an outlet section (705),wherein the inner housing volume is divided into a second discharge muffler volume (702) and a third discharge muffler volume (703) by a separation arrangement (740);wherein the first discharge muffler volume (701) and the second discharge muffler volume (702) are connected by an inlet tube (731),wherein the second discharge muffler volume (702) and the third discharge muffler volume (703) are connected by a tubelike connection passage (741) formed by the separation arrangement (740),and wherein the outlet section (705) is connected to the third discharge muffler volume (703).In order to provide a discharge muffler with a compact design, with which a discharge pulsation can be controlled in an efficient way, it is provided that the second discharge muffler volume (702) has a first plurality of first chambers (708) and the third discharge muffler volume (703) has a second plurality of second chambers (709).

IPC 8 full level

F04B 39/00 (2006.01); F04B 39/12 (2006.01)

CPC (source: EP)

F04B 39/0027 (2013.01); F04B 39/0055 (2013.01); F04B 39/0061 (2013.01); F04B 39/0072 (2013.01); F04B 39/123 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4170168 A1 20230426; CN 216812061 U 20220624

DOCDB simple family (application)

EP 22203372 A 20221024; CN 202220244271 U 20220126