BR8400580A - Sistema de comando de circuito fechado,eletropneumatico - Google Patents
Sistema de comando de circuito fechado,eletropneumaticoInfo
- Publication number
- BR8400580A BR8400580A BR8400580A BR8400580A BR8400580A BR 8400580 A BR8400580 A BR 8400580A BR 8400580 A BR8400580 A BR 8400580A BR 8400580 A BR8400580 A BR 8400580A BR 8400580 A BR8400580 A BR 8400580A
- Authority
- BR
- Brazil
- Prior art keywords
- control system
- closed circuit
- circuit control
- electric pneumatic
- pneumatic closed
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/202—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means actuated by an electric motor
-
- 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
- Y10T137/2278—Pressure modulating relays or followers
- Y10T137/2409—With counter-balancing pressure feedback to the modulating device
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/468,105 US4509547A (en) | 1983-02-22 | 1983-02-22 | Control system for an electro-pneumatic converter |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8400580A true BR8400580A (pt) | 1984-09-25 |
Family
ID=23858446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8400580A BR8400580A (pt) | 1983-02-22 | 1984-02-10 | Sistema de comando de circuito fechado,eletropneumatico |
Country Status (13)
Country | Link |
---|---|
US (1) | US4509547A (pt) |
EP (1) | EP0120593B1 (pt) |
JP (2) | JPS59158404A (pt) |
KR (1) | KR890000611B1 (pt) |
AU (1) | AU565737B2 (pt) |
BR (1) | BR8400580A (pt) |
CA (1) | CA1210477A (pt) |
DE (1) | DE3477854D1 (pt) |
ES (1) | ES529911A0 (pt) |
HK (1) | HK68789A (pt) |
IN (1) | IN161518B (pt) |
MX (1) | MX157424A (pt) |
SG (1) | SG38989G (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4630631A (en) * | 1983-02-24 | 1986-12-23 | The Babcock & Wilcox Company | Pneumatic servo assembly for an electro-pneumatic converter |
US4705067A (en) * | 1986-05-13 | 1987-11-10 | Coffee Curtis L | Electric-to-pressure transducer |
JPH0778691B2 (ja) * | 1986-08-18 | 1995-08-23 | 日本ベ−レ−株式会社 | パルスポジシヨナ |
GB8811123D0 (en) * | 1988-05-11 | 1988-06-15 | Watson Smith Ltd | Pressure regulator |
GB9105341D0 (en) * | 1991-03-13 | 1991-04-24 | Watson Smith Ltd | I/p converters |
US5457435A (en) * | 1994-03-25 | 1995-10-10 | Caterpillar Inc. | Pulse width modulated driver |
US5642271A (en) * | 1995-08-31 | 1997-06-24 | Hewlett-Packard Company | Pneumatic control system |
JP5740952B2 (ja) * | 2010-11-04 | 2015-07-01 | 宇部興産株式会社 | 分離膜モジュール |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE532990A (pt) * | 1953-11-02 | 1900-01-01 | ||
US2863287A (en) * | 1956-11-09 | 1958-12-09 | Research Corp | Vacuum control system |
US3113582A (en) * | 1961-01-11 | 1963-12-10 | Fluidgenics | Pressure control system |
US3315250A (en) * | 1963-03-29 | 1967-04-18 | Honeywell Inc | Electrical apparatus |
DE6927354U (de) * | 1968-07-10 | 1972-08-10 | Diesel Kiki Co | Vorrichtung zum umwandeln elektrischer signale in fluddrucksignale. |
US3819960A (en) * | 1972-05-01 | 1974-06-25 | Love Controls Corp | Controller circuit |
JPS5519266B2 (pt) * | 1973-03-03 | 1980-05-24 | ||
US4124811A (en) * | 1977-09-12 | 1978-11-07 | Sperry Rand Corporation | Circuit for bi-directionally powering a motor |
SE420639B (sv) * | 1979-03-01 | 1981-10-19 | Saab Scania Ab | Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element |
-
1983
- 1983-02-22 US US06/468,105 patent/US4509547A/en not_active Expired - Lifetime
-
1984
- 1984-02-01 MX MX200224A patent/MX157424A/es unknown
- 1984-02-10 BR BR8400580A patent/BR8400580A/pt not_active IP Right Cessation
- 1984-02-10 ES ES529911A patent/ES529911A0/es active Granted
- 1984-02-20 CA CA000447859A patent/CA1210477A/en not_active Expired
- 1984-02-20 EP EP84301085A patent/EP0120593B1/en not_active Expired
- 1984-02-20 DE DE8484301085T patent/DE3477854D1/de not_active Expired
- 1984-02-21 KR KR1019840000822A patent/KR890000611B1/ko not_active IP Right Cessation
- 1984-02-21 AU AU24789/84A patent/AU565737B2/en not_active Ceased
- 1984-02-21 JP JP59029692A patent/JPS59158404A/ja active Pending
- 1984-02-22 IN IN126/CAL/84A patent/IN161518B/en unknown
-
1989
- 1989-06-24 SG SG389/89A patent/SG38989G/en unknown
- 1989-08-24 HK HK687/89A patent/HK68789A/xx not_active IP Right Cessation
-
1991
- 1991-03-14 JP JP1991022165U patent/JPH04114612U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
MX157424A (es) | 1988-11-22 |
IN161518B (pt) | 1987-12-19 |
SG38989G (en) | 1990-01-26 |
AU2478984A (en) | 1984-08-30 |
KR840009006A (ko) | 1984-12-20 |
ES8500666A1 (es) | 1984-11-01 |
AU565737B2 (en) | 1987-09-24 |
CA1210477A (en) | 1986-08-26 |
JPH04114612U (ja) | 1992-10-09 |
KR890000611B1 (ko) | 1989-03-21 |
ES529911A0 (es) | 1984-11-01 |
JPS59158404A (ja) | 1984-09-07 |
US4509547A (en) | 1985-04-09 |
HK68789A (en) | 1989-09-01 |
EP0120593B1 (en) | 1989-04-19 |
EP0120593A2 (en) | 1984-10-03 |
DE3477854D1 (en) | 1989-05-24 |
EP0120593A3 (en) | 1985-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |