JPS639490U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例を示す一部省略断面図
、第２図は要部の拡大断面図、第３図は本考案の
実施例による圧力波形図、第４図はガス化室を設
けていない従来例による圧力波形図、第５図は本
考案の実施例による周波数―音圧レベルの特性図
、第６図は従来例による周波数―音圧レベルの特
性図、第７図は噴射孔を複数個設けた従来例を示
す概略説明図である。 １……ケーシング、２……内壁、３……ロータ
、３ａ……スクリユー山部、４……吸入チヤンバ
ー、５……吐出チヤンバー、９……空間、４０…
…噴射孔、４１……ガス化室。 Fig. 1 is a partially omitted sectional view showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of main parts, Fig. 3 is a pressure waveform diagram according to an embodiment of the present invention, and Fig. 4 is a gasification chamber. FIG. 5 is a frequency-sound pressure level characteristic diagram according to the embodiment of the present invention, FIG. 6 is a frequency-sound pressure level characteristic diagram according to the conventional example, and FIG. 7 is an injection diagram. FIG. 2 is a schematic explanatory diagram showing a conventional example in which a plurality of holes are provided. DESCRIPTION OF SYMBOLS 1... Casing, 2... Inner wall, 3... Rotor, 3a... Screw mountain part, 4... Suction chamber, 5... Discharge chamber, 9... Space, 40...
...Injection hole, 41...Gasification chamber.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スクリユー山部３ａをもつロータ３を、吸入チ
ヤンバー４及び吐出チヤンバー５をもつケーシン
グ１に内装すると共に、前記ケーシング１の内壁
２とロータ３との間の空間９に、油及び該冷媒を
含む液体を噴射する噴射孔４０をもつ噴射構造を
備えたスクリユー圧縮機において、前記噴射孔４
０の前記空間９への開口側に、噴射液体の一部が
ガス化する容積をもつガス化室４１を設けたこと
を特徴とするスクリユー圧縮機。 A rotor 3 having a screw crest 3a is housed in a casing 1 having a suction chamber 4 and a discharge chamber 5, and a liquid containing oil and the refrigerant is placed in a space 9 between the inner wall 2 of the casing 1 and the rotor 3. In a screw compressor equipped with an injection structure having an injection hole 40 for injecting, the injection hole 4
A screw compressor characterized in that a gasification chamber 41 having a volume in which a part of the injected liquid is gasified is provided on the opening side of the space 9 to the space 9.