JPH01112418U - - Google Patents
Info
- Publication number
- JPH01112418U JPH01112418U JP756188U JP756188U JPH01112418U JP H01112418 U JPH01112418 U JP H01112418U JP 756188 U JP756188 U JP 756188U JP 756188 U JP756188 U JP 756188U JP H01112418 U JPH01112418 U JP H01112418U
- Authority
- JP
- Japan
- Prior art keywords
- measuring chamber
- upper wall
- difference adjustment
- impeller
- instrumental difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 239000012530 fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は第１の考案の実施例による器差調整装
置の断面図、第２図は上壁を下面側から見た平面
図、第３図は第２図のＡ―Ａ線に沿う拡大断面図
、第４図は凹所の形状を変化させた場合の第２図
のＡ―Ａ線に沿う拡大断面図、第５図は第２の考
案の実施例に用いられる突起を示す平面図、第６
図は器差曲線を示す性能曲線図、第７図は従来例
の断面図、第８図は他の従来例の断面図である。
１１……計量室、１２……羽根車、１６……上
壁、１７，１８……器差調整板、３０……突起、
３１……凹所、３１ａ……凹欠部、３２……流体
入口、３３……流体出口。
Fig. 1 is a sectional view of the instrumental difference adjustment device according to the embodiment of the first invention, Fig. 2 is a plan view of the upper wall viewed from the bottom side, and Fig. 3 is an enlarged view taken along line A-A in Fig. 2. 4 is an enlarged sectional view taken along line A-A in FIG. 2 when the shape of the recess is changed; FIG. 5 is a plan view showing a protrusion used in an embodiment of the second invention. , 6th
The figures are performance curve diagrams showing instrumental error curves, FIG. 7 is a sectional view of a conventional example, and FIG. 8 is a sectional view of another conventional example. 11... Measuring chamber, 12... Impeller, 16... Upper wall, 17, 18... Instrumental difference adjustment plate, 30... Protrusion,
31... recess, 31a... recessed part, 32... fluid inlet, 33... fluid outlet.
Claims (1)
が具備され、かつ、計量室の上壁に下向きに突出
する器差調整板が設けられており、上記上壁の平
坦な外周部下面に複数の凹所を間隔を隔てて形成
することによりそれらの凹所の相互間にリブ状の
突起を形成したことを特徴とする接線流羽根車式
水道メータの器差調整装置。 ２ 羽根車を収容する計量室に水の入口と出口と
が具備され、かつ、計量室の上壁に下向きに突出
する器差調整板が設けられており、上記上壁の外
周部に複数の凹欠部を間隔を隔てて形成すること
によりそれらの凹欠部の相互間にリブ状の突起を
形成したことを特徴とする接線流羽根車式水道メ
ータの器差調整装置。[Scope of Claim for Utility Model Registration] 1. A measuring chamber that accommodates an impeller is equipped with a water inlet and an outlet, and an instrumental difference adjusting plate that projects downward is provided on the upper wall of the measuring chamber, and the above-mentioned A tangential flow impeller type water meter characterized in that a plurality of recesses are formed at intervals on the lower surface of the flat outer periphery of the upper wall, and rib-like protrusions are formed between the recesses. Instrumental difference adjustment device. 2. The measuring chamber that accommodates the impeller is equipped with a water inlet and an outlet, and an instrument difference adjustment plate that projects downward is provided on the upper wall of the measuring chamber, and a plurality of 1. An instrumental difference adjustment device for a tangential flow impeller type water meter, characterized in that concave notches are formed at intervals to form rib-like protrusions between the concave notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988007561U JPH0620971Y2 (en) | 1988-01-22 | 1988-01-22 | Tangential flow impeller type water meter instrument difference adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988007561U JPH0620971Y2 (en) | 1988-01-22 | 1988-01-22 | Tangential flow impeller type water meter instrument difference adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01112418U true JPH01112418U (en) | 1989-07-28 |
| JPH0620971Y2 JPH0620971Y2 (en) | 1994-06-01 |
Family
ID=31212669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988007561U Expired - Lifetime JPH0620971Y2 (en) | 1988-01-22 | 1988-01-22 | Tangential flow impeller type water meter instrument difference adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620971Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001255197A (en) * | 2000-03-10 | 2001-09-21 | Toyo Keiki Co Ltd | Method for regulating recycled water meter |
| JP2002310745A (en) * | 2001-04-06 | 2002-10-23 | Ricoh Elemex Corp | Double box tangential flow impeller water meter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002310747A (en) * | 2001-04-18 | 2002-10-23 | Ricoh Elemex Corp | Tangential flow impeller-type water meter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365758U (en) * | 1976-11-05 | 1978-06-02 |
-
1988
- 1988-01-22 JP JP1988007561U patent/JPH0620971Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365758U (en) * | 1976-11-05 | 1978-06-02 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001255197A (en) * | 2000-03-10 | 2001-09-21 | Toyo Keiki Co Ltd | Method for regulating recycled water meter |
| JP4704539B2 (en) * | 2000-03-10 | 2011-06-15 | 東洋計器株式会社 | Adjusting the recycling water meter |
| JP2002310745A (en) * | 2001-04-06 | 2002-10-23 | Ricoh Elemex Corp | Double box tangential flow impeller water meter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0620971Y2 (en) | 1994-06-01 |
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