JPS5945524U

JPS5945524U - positive displacement flow meter

Info

Publication number: JPS5945524U
Application number: JP14224382U
Authority: JP
Inventors: 広明長谷川; 鴻丸　克巳; 反後　暁
Original assignee: トキコ株式会社
Priority date: 1982-09-20
Filing date: 1982-09-20
Publication date: 1984-03-26

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図は本考案に係る容積式流量計の外観図、第２図は
第１図の■−■矢示方向断面図、第３図は第２図の要部
拡大図、第４図は回転子の縦断面図、第５図は第４図の
右側面図、第６図は凹凸溝を角形溝とした場合の部分断
面図、第７図は凹凸溝を山形溝とした場合の部分断面図
である。１・・・ケーシング、４・・・流入口、５・・・流出口
、６・・・計量室、７．８・・・回転子、９，１０・・
・回転軸、１１・・・凹凸溝、１３・・・透明窓、１５
・・・センサ取付板、１７・・・発光部、１８・・・受
光部、１９・・・発信部。Figure 1 is an external view of the positive displacement flowmeter according to the present invention, Figure 2 is a cross-sectional view in the direction of the ■-■ arrow in Figure 1, Figure 3 is an enlarged view of the main part of Figure 2, and Figure 4 is A vertical cross-sectional view of the rotor, Fig. 5 is a right side view of Fig. 4, Fig. 6 is a partial sectional view when the uneven grooves are square grooves, and Fig. 7 is a section when the uneven grooves are chevron grooves. FIG. 1... Casing, 4... Inlet, 5... Outlet, 6... Measuring chamber, 7.8... Rotor, 9, 10...
・Rotating shaft, 11... Uneven groove, 13... Transparent window, 15
... Sensor mounting plate, 17... Light emitting section, 18... Light receiving section, 19... Transmitting section.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

流入口と流出口との間に計量室が形成されたケーシング
と、前記計量室内に回転自在に設けられ被測流体の流量
に比例して回転する一対の回転子とからなる容積式流量
計において、前記一対の回転子のうち少くとも一方の回
転子の側面に凹凸溝を設け、前記ケーシングには前記凹
凸溝と対応する位置に透明窓を設け、かつ前記ケーシン
グには前記透明窓を介して前記凹凸溝を検出する光学セ
ンサを設けたことを特徴とする容積式流量計。A positive displacement flowmeter comprising a casing in which a measuring chamber is formed between an inlet and an outlet, and a pair of rotors that are rotatably provided in the measuring chamber and rotate in proportion to the flow rate of the fluid to be measured. , an uneven groove is provided on the side surface of at least one of the pair of rotors, a transparent window is provided in the casing at a position corresponding to the uneven groove, and the casing is provided with an uneven groove through the transparent window. A positive displacement flowmeter comprising an optical sensor for detecting the uneven grooves.