JPS59144185U

JPS59144185U - Screw rotor of screw compressor etc.

Info

Publication number: JPS59144185U
Application number: JP3862283U
Authority: JP
Inventors: 重河　和夫
Original assignee: 株式会社神戸製鋼所
Priority date: 1983-03-16
Filing date: 1983-03-16
Publication date: 1984-09-26

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来例に係る雌雄ロータの歯形図、第２図は第
１図の拡大図であってブローホ−ル面積を示す説明図、
第３図は本考案に係る雌雄両ロータの歯形図、第４図は
第３図の拡大図であっ、てブローホール面積を示す説明
図である。Ｍ・・・雄ロータ、Ｆ・・・雌ロータ、Ｐｆ・・・雌ロ
ータピッチ円、Ｐｍ・・・雄ロータピッチ円、Ａｆ・・
・雌ロータアデンダム、Ｄｍ・・・雄ロータデデンダム
、Ｏｆ・・・雌ロータ中心点、Ｏｍ・・・雄ロータ中心
点。Fig. 1 is a tooth profile diagram of a male and female rotor according to a conventional example, Fig. 2 is an enlarged view of Fig. 1 and is an explanatory diagram showing the blowhole area;
FIG. 3 is a tooth profile diagram of both male and female rotors according to the present invention, and FIG. 4 is an enlarged view of FIG. 3, and is an explanatory diagram showing the blowhole area. M...male rotor, F...female rotor, Pf...female rotor pitch circle, Pm...male rotor pitch circle, Af...
・Female rotor addendum, Dm...Male rotor addendum, Of...Female rotor center point, Om...Male rotor center point.

Claims

【実用新案登録請求の範囲】雌ロータＦの各歯のピッチ円Ｐｆの外側にアデンダムＡ
ｆを有する一方、雄ロータＭの各歯底のピッチ円Ｐｍの
内側に上記アデンダムＡｆに対応するデデンダムＤｍを
有する型式のスクリューロータであって、雌ロータＦの追従側歯形において、ａ−１′間を雄ロー
タＭの点ｆで創成する曲線とする一方、雄ロータＭの追
従側歯形において、ｆ−ｑ’間を雌ロータＦの点１′で
創成する曲線としたことを特徴とするスクリュー圧縮機
等のスクリューロータ。但し、点ａは雌ロータＦのピッチ円Ｐｆ上の点、点ｆは
雄ロータＭのピッチ円Ｐｍ上の点、点ｑ′は雄ロータの
歯底円上の点である。[Claims for Utility Model Registration] There is an addendum A on the outside of the pitch circle Pf of each tooth of the female rotor F.
f, and has a dedendum Dm corresponding to the addendum Af on the inside of the pitch circle Pm of each tooth bottom of the male rotor M, and in the following side tooth profile of the female rotor F, a-1' A screw characterized in that the interval between f and q' is a curve created at point f of the male rotor M, while the interval between f and q' is a curve created at point 1' of the female rotor F in the following side tooth profile of the male rotor M. Screw rotors for compressors, etc. However, point a is a point on the pitch circle Pf of the female rotor F, point f is a point on the pitch circle Pm of the male rotor M, and point q' is a point on the root circle of the male rotor.