CH614540A5 - - Google Patents
Info
- Publication number
- CH614540A5 CH614540A5 CH1508676A CH1508676A CH614540A5 CH 614540 A5 CH614540 A5 CH 614540A5 CH 1508676 A CH1508676 A CH 1508676A CH 1508676 A CH1508676 A CH 1508676A CH 614540 A5 CH614540 A5 CH 614540A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2499—Mixture condition maintaining or sensing
- Y10T137/2509—By optical or chemical property
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Non-Electrical Variables (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2641101A DE2641101C3 (de) | 1976-09-13 | 1976-09-13 | Einrichtung zum Regeln des pH-Wertes oder eines vergleichbaren Wertes einer Lösung |
Publications (1)
Publication Number | Publication Date |
---|---|
CH614540A5 true CH614540A5 (US07968547-20110628-C00004.png) | 1979-11-30 |
Family
ID=5987765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1508676A CH614540A5 (US07968547-20110628-C00004.png) | 1976-09-13 | 1976-11-30 |
Country Status (7)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4315518A (en) * | 1980-06-30 | 1982-02-16 | Western Electric Company, Inc. | Methods of and system for controlling copper concentration in a solution |
EP0125100A1 (en) * | 1983-05-03 | 1984-11-14 | Genentech, Inc. | Motor control |
US4554499A (en) * | 1983-05-03 | 1985-11-19 | Genentech, Inc. | Computer controlled motor |
DE3516353C1 (de) * | 1985-05-07 | 1986-11-06 | Chemie und Filter GmbH, 6900 Heidelberg | Vorrichtung zum Steuern der Einschaltdauer eines Elektromagneten |
DE3621520A1 (de) * | 1985-07-08 | 1987-02-12 | Zahnrad Und Getriebefabrik Sie | Vorrichtung zum ausgleich von drehzahlschwankungen einer antriebswelle |
DE3708009A1 (de) * | 1987-03-12 | 1988-09-22 | Wella Ag | Vorrichtung zum behandeln von haar mittels einer fluessigkeit in einem umwaelzverfahren |
US5609180A (en) * | 1992-04-27 | 1997-03-11 | Burlington Chemical Co., Inc. | Liquid alkali system for fiber reactive dyeing |
DE19857953C2 (de) * | 1998-12-16 | 2001-02-15 | Conducta Endress & Hauser | Vorrichtung zum Messen der Konzentration von Ionen in einer Meßflüssigkeit |
CN112947617A (zh) * | 2021-02-01 | 2021-06-11 | 陕西中良智能科技有限公司 | 机器学习装置、pH值智能微调控制系统及其控制方法 |
CN113849008B (zh) * | 2021-10-19 | 2022-08-16 | 浙江闰土染料有限公司 | pH值控制系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3729013A (en) * | 1969-03-17 | 1973-04-24 | Basf Wyandotte Corp | Liquid level control device |
US3605775A (en) * | 1969-11-18 | 1971-09-20 | Gen Am Transport | Method to control dosage of additive into treatment process and automatic device therefor |
-
1976
- 1976-09-13 DE DE2641101A patent/DE2641101C3/de not_active Expired
- 1976-11-30 CH CH1508676A patent/CH614540A5/xx not_active IP Right Cessation
- 1976-12-10 NL NL7613748A patent/NL168636C/xx not_active IP Right Cessation
- 1976-12-16 FR FR7637917A patent/FR2364506A1/fr active Granted
- 1976-12-27 US US05/754,178 patent/US4066092A/en not_active Expired - Lifetime
- 1976-12-29 JP JP51160838A patent/JPS5847045B2/ja not_active Expired
-
1977
- 1977-01-24 GB GB272177A patent/GB1537652A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL168636C (nl) | 1982-04-16 |
DE2641101A1 (de) | 1978-03-16 |
DE2641101C3 (de) | 1980-08-21 |
NL7613748A (nl) | 1978-03-15 |
JPS5847045B2 (ja) | 1983-10-20 |
JPS5334671A (en) | 1978-03-31 |
US4066092A (en) | 1978-01-03 |
FR2364506B1 (US07968547-20110628-C00004.png) | 1981-07-10 |
GB1537652A (en) | 1979-01-04 |
FR2364506A1 (fr) | 1978-04-07 |
NL168636B (nl) | 1981-11-16 |
DE2641101B2 (de) | 1979-12-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |