KÄLTEMITTELVERDICHTER
    34.
    发明公开

    公开(公告)号:EP3657017A1

    公开(公告)日:2020-05-27

    申请号:EP19208947.2

    申请日:2019-11-13

    IPC分类号: F04B39/02 F04B39/12

    摘要: Um einen Kältemittelverdichter, insbesondere für eine Kälteanlage, umfassend ein Gesamtgehäuse, eine in dem Gesamtgehäuse angeordnete Verdichtereinheit, eine in einem Antriebsraum des Gesamtgehäuses angeordnete mechanische Verdichterantriebseinheit für die Verdichtereinheit, ein sich in dem Antriebsraum ausbildendes Schmiermittelbad, einen in dem Gesamtgehäuse vom Antriebsraum getrennt verlaufenden Einlasskanal, über welchen die Verdichtereinheit zu verdichtendes Kältemittel ansaugt, derart zu verbessern, dass ein Kältemittelverdichter geschaffen wird, bei welchem der Schmiermittelwurf möglichst stark reduziert ist, wird vorgeschlagen, dass der Einlasskanal und der Antriebsraum über einen einen permanenten Gasausgleich zwischen diesen zulassenden Gasausgleichskanal verbunden ist, der einerseits eine antriebsraumseitige Öffnung und andererseits eine einlasseitige Öffnung aufweist und dessen Kanallänge zwischen den Öffnungen mindestens einem zweifachen eines äquivalenten Kanaldurchmessers, insbesondere eines kleinsten äquivalenten Kanaldurchmessers, des Gasausgleichskanals entspricht.

    LINEAR COMPRESSOR
    35.
    发明公开
    LINEAR COMPRESSOR 审中-公开

    公开(公告)号:EP3640475A1

    公开(公告)日:2020-04-22

    申请号:EP19214817.9

    申请日:2018-02-09

    发明人: JEONG, Sangsub

    摘要: The present disclosure relates to a linear compressor. A linear compressor according to an embodiment of the present disclosure includes: a cylinder defining a compression space for a refrigerant; a piston axially reciprocating inside the cylinder; a motor configured to provide a driving force to the piston; a discharge valve configured to discharge the refrigerant compressed in the compression space; and a discharge cover having a discharge space therein in which the refrigerant discharged through the discharge valve flows, wherein the discharge valve and the discharge cover are arranged inside the motor.

    COMPRESSOR
    38.
    发明公开
    COMPRESSOR 审中-公开

    公开(公告)号:EP3626969A1

    公开(公告)日:2020-03-25

    申请号:EP19197755.2

    申请日:2019-09-17

    IPC分类号: F04B39/02

    摘要: A compressor is disclosed, which comprises a driving unit including a stator, a rotor, and a rotary shaft provided in the rotor, having an oil guide path formed at an inner side in a radius direction; a compression unit coupled to the rotary shaft, having a cylinder and a piston reciprocating in the cylinder by a driving force of the driving unit; and an oil supply unit coupled to a lower end of the rotary shaft, supplying oil toward the compression unit, wherein the oil supply unit includes a rotary portion for supplying oil toward the oil guide path while being rotated together with the rotary shaft and a fixed portion having an inner space partitioned to accommodate at least a portion of the rotary portion, and the oil guide path is formed to pass through the rotary shaft along a length direction.

    INTERNAL MEDIUM PRESSURE TWO-STAGE COMPRESSION COMPRESSOR

    公开(公告)号:EP3617514A1

    公开(公告)日:2020-03-04

    申请号:EP18790603.7

    申请日:2018-04-24

    摘要: The present invention provides an internal medium pressure type two-stage compression compressor wherein a compression mechanism 30 includes a first compression mechanism 30A which carries out first stage low stage compression, and a second compression mechanism 30B which carries out second stage high pressure compression, an oil supply passage 36 is formed in a suction passage 35B of the second compression mechanism 30B, refrigerant gas which is compressed by the first compression mechanism 30A is discharged into an airtight container 10, the refrigerant gas is compressed by the second compression mechanism 30B and discharged outside the airtight container 10, and oil is supplied to a second compression chamber 34B of the second compression mechanism 30B from the oil supply passage 36 by a pressure difference between case internal pressure in the airtight container 10 and suction pressure in the suction passage 35B of the second compression mechanism 30B, and when the piston 32B turns from a top dead center to a position of the suction passage 35B, a closed space 106 is not formed between the vane 33, the cylinder 31B and the piston 32B. According to this, it is possible to prevent lubricant oil from flowing into a high stage compression chamber (second compression chamber 34B) more than a set value.