IT8421910A0 - NEGATIVE PRESSURE REGULATOR. - Google Patents
NEGATIVE PRESSURE REGULATOR.Info
- Publication number
- IT8421910A0 IT8421910A0 IT8421910A IT2191084A IT8421910A0 IT 8421910 A0 IT8421910 A0 IT 8421910A0 IT 8421910 A IT8421910 A IT 8421910A IT 2191084 A IT2191084 A IT 2191084A IT 8421910 A0 IT8421910 A0 IT 8421910A0
- Authority
- IT
- Italy
- Prior art keywords
- negative pressure
- pressure regulator
- regulator
- negative
- pressure
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/048—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/024—Controlling the inlet pressure, e.g. back-pressure regulator
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
- G05D16/0655—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one spring-loaded membrane
- G05D16/0658—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one spring-loaded membrane characterised by the form of the obturator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0264583A AT385137B (en) | 1983-07-19 | 1983-07-19 | NEGATIVE PRESSURE AMPLIFIER |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8421910A0 true IT8421910A0 (en) | 1984-07-16 |
IT8421910A1 IT8421910A1 (en) | 1986-01-16 |
IT1176393B IT1176393B (en) | 1987-08-18 |
Family
ID=3537980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21910/84A IT1176393B (en) | 1983-07-19 | 1984-07-16 | NEGATIVE PRESSURE REGULATOR |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT385137B (en) |
DE (1) | DE3423784A1 (en) |
FR (1) | FR2549567B1 (en) |
GB (1) | GB2143621B (en) |
IT (1) | IT1176393B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2176275B (en) * | 1985-06-10 | 1990-02-14 | British Gas Corp | Control of fluid temperature in a wet central heating system |
AT388040B (en) * | 1986-06-30 | 1989-04-25 | Vogelbusch Gmbh | CONTROL VALVE |
DE3815781A1 (en) * | 1988-05-09 | 1989-11-30 | Erwin Dimter | Positioning and minimum-pressure safety valve |
DE9217022U1 (en) * | 1992-12-15 | 1993-04-01 | Knocks, Heinz, 4714 Selm | Pressure control valve with secondary relief valve |
GB2464283B (en) * | 2008-10-08 | 2012-09-19 | Bifold Fluidpower Ltd | Fluid flow control system and method |
CN103410737A (en) * | 2013-08-28 | 2013-11-27 | 山东明天机械有限公司 | Reflux pressure relief valve |
CN105805379B (en) * | 2016-05-06 | 2018-03-23 | 宁波金欧五金制品有限公司 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
CN110131149A (en) * | 2019-05-17 | 2019-08-16 | 大唐半导体科技有限公司 | Air compressor machine and its barostat |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB238985A (en) * | 1924-06-17 | 1925-09-03 | Robert Clark | Improvements in apparatus for regulating automatically the supply of feed-water to steam generators and the like |
GB269661A (en) * | 1926-01-21 | 1927-04-21 | Otto Simonis | Improvements in and connected with liquid air oxygenproducing plant |
GB298805A (en) * | 1927-12-08 | 1928-10-18 | William John Griffiths | Improvements in control mechanism for hot water heating systems |
GB468113A (en) * | 1935-10-28 | 1937-06-29 | Junkers & Co | A safety cut-off device for gas apparatus |
FR1163404A (en) * | 1956-09-26 | 1958-09-25 | Cie Ind Des Procedes Raoul Pic | Automatic pressure reducing valve |
US3035596A (en) * | 1959-07-07 | 1962-05-22 | Guinard Paul Andre | By-pass relief valve |
CH428147A (en) * | 1965-08-23 | 1967-01-15 | Calotech Ets | Control device for the fuel valve in fuel-heated water heaters |
DE1650303A1 (en) * | 1967-10-21 | 1970-09-10 | Bosch Gmbh Robert | Pressure control valve |
US3578014A (en) * | 1968-05-09 | 1971-05-11 | Jean Gachot | Pressure regulator for pressurized-fluid circuits |
US3683968A (en) * | 1970-06-01 | 1972-08-15 | Beckman Instruments Inc | Reverse-acting relay valve |
US3724476A (en) * | 1971-05-10 | 1973-04-03 | Eckardt Ag J | Pneumatic amplifier |
US3774628A (en) * | 1971-09-24 | 1973-11-27 | Avco Corp | Pressure regulator |
GB1456505A (en) * | 1972-11-29 | 1976-11-24 | ||
IT7853091V0 (en) * | 1978-03-20 | 1978-03-20 | Fiat Spa | FUEL PRESSURE CONTROL VALVE SUPPLIED TO THE INJECTORS OF AN INTERNAL COMBUSTION ENGINE |
IT7867609A0 (en) * | 1978-03-20 | 1978-03-20 | Fiat Spa | VALVE TO CONTROL THE PRESSURE OF THE FUEL SUPPLIED TO THE INJECTORS OF AN INTERNAL COMBUSTION ENGINE |
-
1983
- 1983-07-19 AT AT0264583A patent/AT385137B/en not_active IP Right Cessation
-
1984
- 1984-06-28 DE DE19843423784 patent/DE3423784A1/en not_active Withdrawn
- 1984-07-16 IT IT21910/84A patent/IT1176393B/en active
- 1984-07-18 GB GB08418286A patent/GB2143621B/en not_active Expired
- 1984-07-19 FR FR8411476A patent/FR2549567B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATA264583A (en) | 1987-07-15 |
FR2549567B1 (en) | 1987-07-24 |
DE3423784A1 (en) | 1985-01-31 |
GB2143621A (en) | 1985-02-13 |
IT1176393B (en) | 1987-08-18 |
GB8418286D0 (en) | 1984-08-22 |
FR2549567A1 (en) | 1985-01-25 |
IT8421910A1 (en) | 1986-01-16 |
AT385137B (en) | 1988-02-25 |
GB2143621B (en) | 1986-11-12 |
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