IT955906B - CONTROL DEVICE - Google Patents
CONTROL DEVICEInfo
- Publication number
- IT955906B IT955906B IT24916/72A IT2491672A IT955906B IT 955906 B IT955906 B IT 955906B IT 24916/72 A IT24916/72 A IT 24916/72A IT 2491672 A IT2491672 A IT 2491672A IT 955906 B IT955906 B IT 955906B
- Authority
- IT
- Italy
- Prior art keywords
- control device
- control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/2657—Details with different switches operated at substantially different pressures
- H01H35/2664—Details with different switches operated at substantially different pressures making use of a balance plate pivoting about different axes
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX4415571 | 1971-05-31 | ||
US23673272A | 1972-03-21 | 1972-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT955906B true IT955906B (en) | 1973-09-29 |
Family
ID=26640837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24916/72A IT955906B (en) | 1971-05-31 | 1972-05-26 | CONTROL DEVICE |
Country Status (11)
Country | Link |
---|---|
US (1) | US3786212A (en) |
JP (1) | JPS5219308B1 (en) |
AU (1) | AU472992B2 (en) |
BE (1) | BE784213A (en) |
CA (1) | CA966175A (en) |
CH (1) | CH553339A (en) |
DE (1) | DE2224026C2 (en) |
FR (1) | FR2166854A5 (en) |
GB (1) | GB1381654A (en) |
IT (1) | IT955906B (en) |
NL (1) | NL168362C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3911238A (en) * | 1973-12-06 | 1975-10-07 | Automatic Switch Co | Condition responsive control device with capacity for independent adjustment of control points and transducer therefor |
US4467155A (en) * | 1982-05-06 | 1984-08-21 | Dresser Industries, Inc. | Electrical switch apparatus |
DE3239129C2 (en) * | 1982-10-22 | 1986-01-16 | H. Kuhnke Elektrotechnik GmbH, Büttikon | PE converter |
CN110391110B (en) * | 2019-09-04 | 2024-04-26 | 济南迈克阀门科技有限公司 | Double-output type pressure-adjustable pressure switch for fire control |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2284940A (en) * | 1939-08-04 | 1942-06-02 | Honeywell Regulator Co | Snap action device |
US2266144A (en) * | 1939-08-04 | 1941-12-16 | Honeywell Regulator Co | Automatic switching device |
US3098141A (en) * | 1942-12-31 | 1963-07-16 | Wintriss George | Enclosed precision switch |
US2766349A (en) * | 1954-02-16 | 1956-10-09 | Matthew Kuziak | Differential pressure switch |
US2873332A (en) * | 1956-02-01 | 1959-02-10 | William J Williams | Adjustable differential switch actuator |
FR1263541A (en) * | 1959-07-13 | 1961-06-09 | Gen Motors Corp | Speed sensitive switching mechanism |
DE1273037B (en) * | 1960-11-08 | 1968-07-18 | Walter Holzer | Pressure dependent electrical switch |
US3182150A (en) * | 1962-05-25 | 1965-05-04 | Robertshaw Controls Co | Pneumatic-electric switch |
US3235692A (en) * | 1962-11-30 | 1966-02-15 | Ametek Inc | Condition responsive sequence switch |
DE1214302B (en) * | 1963-07-25 | 1966-04-14 | Bosch Gmbh Robert | Electric membrane pressure switch |
US3390242A (en) * | 1967-03-10 | 1968-06-25 | Illinois Tool Works | Switch mechanism utilizing a single spring element to provide lost motion |
-
1972
- 1972-03-21 US US00236732A patent/US3786212A/en not_active Expired - Lifetime
- 1972-04-05 GB GB1557972A patent/GB1381654A/en not_active Expired
- 1972-05-16 CA CA142,354A patent/CA966175A/en not_active Expired
- 1972-05-17 DE DE2224026A patent/DE2224026C2/en not_active Expired
- 1972-05-23 CH CH755472A patent/CH553339A/en not_active IP Right Cessation
- 1972-05-24 AU AU42644/72A patent/AU472992B2/en not_active Expired
- 1972-05-26 IT IT24916/72A patent/IT955906B/en active
- 1972-05-29 JP JP47053757A patent/JPS5219308B1/ja active Pending
- 1972-05-31 BE BE784213A patent/BE784213A/en not_active IP Right Cessation
- 1972-05-31 FR FR7219435A patent/FR2166854A5/fr not_active Expired
- 1972-05-31 NL NLAANVRAGE7207353,A patent/NL168362C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH553339A (en) | 1974-08-30 |
JPS5219308B1 (en) | 1977-05-27 |
NL7207353A (en) | 1972-12-04 |
NL168362C (en) | 1982-03-16 |
AU4264472A (en) | 1973-11-29 |
NL168362B (en) | 1981-10-16 |
AU472992B2 (en) | 1976-06-10 |
DE2224026A1 (en) | 1972-12-14 |
GB1381654A (en) | 1975-01-22 |
DE2224026C2 (en) | 1984-03-29 |
FR2166854A5 (en) | 1973-08-17 |
BE784213A (en) | 1972-09-18 |
CA966175A (en) | 1975-04-15 |
US3786212A (en) | 1974-01-15 |
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