WO2002077530A1 - Control and safety device for valve means - Google Patents
Control and safety device for valve means Download PDFInfo
- Publication number
- WO2002077530A1 WO2002077530A1 PCT/IT2001/000149 IT0100149W WO02077530A1 WO 2002077530 A1 WO2002077530 A1 WO 2002077530A1 IT 0100149 W IT0100149 W IT 0100149W WO 02077530 A1 WO02077530 A1 WO 02077530A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transistor
- control circuit
- voltage signal
- amplitude
- frequency
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/08—Microprocessor; Microcomputer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2231/00—Fail safe
- F23N2231/10—Fail safe for component failures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/14—Fuel valves electromagnetically operated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/16—Fuel valves variable flow or proportional valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2001/000149 WO2002077530A1 (en) | 2001-03-26 | 2001-03-26 | Control and safety device for valve means |
EP01919762A EP1373800B1 (en) | 2001-03-26 | 2001-03-26 | Control and safety device for valve means |
DE60117367T DE60117367T2 (en) | 2001-03-26 | 2001-03-26 | CONTROL AND SAFETY DEVICE FOR VALVES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2001/000149 WO2002077530A1 (en) | 2001-03-26 | 2001-03-26 | Control and safety device for valve means |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002077530A1 true WO2002077530A1 (en) | 2002-10-03 |
Family
ID=11133638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2001/000149 WO2002077530A1 (en) | 2001-03-26 | 2001-03-26 | Control and safety device for valve means |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1373800B1 (en) |
DE (1) | DE60117367T2 (en) |
WO (1) | WO2002077530A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201554926U (en) * | 2009-11-16 | 2010-08-18 | 博西华电器(江苏)有限公司 | System for controlling solenoid valve of household appliance |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304003A (en) * | 1978-10-31 | 1981-12-01 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus controlled by a microprocessor |
US4854852A (en) * | 1987-09-21 | 1989-08-08 | Honeywell Inc. | System for redundantly processing a flame amplifier output signal |
EP0508081A2 (en) * | 1991-04-12 | 1992-10-14 | Robert Bosch Gmbh | Circuit and method for monitoring a fuel-heated apparatus |
JPH10220755A (en) * | 1997-02-07 | 1998-08-21 | Rinnai Corp | Heater |
-
2001
- 2001-03-26 EP EP01919762A patent/EP1373800B1/en not_active Expired - Lifetime
- 2001-03-26 WO PCT/IT2001/000149 patent/WO2002077530A1/en active IP Right Grant
- 2001-03-26 DE DE60117367T patent/DE60117367T2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304003A (en) * | 1978-10-31 | 1981-12-01 | Tokyo Shibaura Denki Kabushiki Kaisha | Apparatus controlled by a microprocessor |
US4854852A (en) * | 1987-09-21 | 1989-08-08 | Honeywell Inc. | System for redundantly processing a flame amplifier output signal |
EP0508081A2 (en) * | 1991-04-12 | 1992-10-14 | Robert Bosch Gmbh | Circuit and method for monitoring a fuel-heated apparatus |
JPH10220755A (en) * | 1997-02-07 | 1998-08-21 | Rinnai Corp | Heater |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 13 30 November 1998 (1998-11-30) * |
Also Published As
Publication number | Publication date |
---|---|
EP1373800B1 (en) | 2006-02-22 |
DE60117367D1 (en) | 2006-04-27 |
DE60117367T2 (en) | 2006-11-09 |
EP1373800A1 (en) | 2004-01-02 |
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