密閉型圧縮機

Hermetically sealed compressor

Abstract

【課題】従来の構成においては、吐出穴とシリンダの内壁がオーバーラップする位置で組み付けられているため冷媒通路の断面積が小さくなってしまい、冷媒ガスが吐出穴に抜ける際に大きな抵抗になって性能悪化の要因になっていた。 【解決手段】シリンダには吐出穴と当接する部分に切り欠きを設け、吐出穴が設けてある主端板または補助端板には吐出穴と連通する部分に切り欠きが設けてあり、これらの切り欠きで囲まれる空間の最小断面積が吐出穴の断面積以上となるように設定した。 【選択図】図2
PROBLEM TO BE SOLVED: To solve a conventional structure in a hermetically sealed compressor, which structure has caused deteriorated performance because a discharge hole is assembled at a position where a discharge hole and an inside wall of a cylinder overlaps, a cross-sectional area of a cooling medium passage is reduced, and as a result, the reduced area is large resistance when a cooling medium gas goes out of the discharge hole. SOLUTION: A helical groove is provided in part where the cylinder abuts on the discharge hole in the cylinder. The helical groove is provided in part with which the discharge hole is communicated on a main end plate or an auxiliary end plate where the discharge holes are provided. A minimum cross-sectional area of a space that is surrounded by the helical grooves is set to be equal to or larger than the cross-sectional area of the discharge hole. COPYRIGHT: (C)2011,JPO&INPIT

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-104963861-AOctober 07, 2015广东美芝制冷设备有限公司, 安徽美芝精密制造有限公司用于旋转式压缩机的压缩机构及具有其的旋转式压缩机
    WO-2016110982-A1July 14, 2016三菱電機株式会社多気筒密閉型圧縮機