GB1409198A - Electromagnetic actuator with hydraulic time delay means - Google Patents
Electromagnetic actuator with hydraulic time delay meansInfo
- Publication number
- GB1409198A GB1409198A GB1707173A GB1707173A GB1409198A GB 1409198 A GB1409198 A GB 1409198A GB 1707173 A GB1707173 A GB 1707173A GB 1707173 A GB1707173 A GB 1707173A GB 1409198 A GB1409198 A GB 1409198A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bore
- valve
- spring
- time delay
- tripping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
- H01H71/345—Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24773272A | 1972-04-26 | 1972-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1409198A true GB1409198A (en) | 1975-10-08 |
Family
ID=22936131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1707173A Expired GB1409198A (en) | 1972-04-26 | 1973-04-10 | Electromagnetic actuator with hydraulic time delay means |
Country Status (6)
Country | Link |
---|---|
US (1) | US3729696A (de) |
CA (1) | CA970804A (de) |
DE (1) | DE2317433A1 (de) |
FR (1) | FR2181875B1 (de) |
GB (1) | GB1409198A (de) |
ZA (1) | ZA732562B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297554A (en) * | 1980-01-24 | 1981-10-27 | G & W Electric Specialty Company | Time delay switch mechanism |
US4918413A (en) * | 1989-02-22 | 1990-04-17 | Heinemann Electric Company | Clamp for captive tube in electromagnetic circuit breakers |
US4963847A (en) * | 1989-04-11 | 1990-10-16 | Heinemann Electric Company | Circuit breaker with transparent tube magnetic core holder |
JP2675173B2 (ja) * | 1990-03-02 | 1997-11-12 | 株式会社日立製作所 | 電子デバイスの冷却装置 |
EP0633589B1 (de) * | 1993-07-06 | 1997-10-01 | Circuit Breaker Industries Limited | Lastschalter Mechanismus |
EP0948020A3 (de) * | 1998-04-02 | 2000-06-07 | Circuit Breaker Industries Limited | Auslöseeinheit für einen hydraulischer /magnetischer Lastschalter |
US20070290776A1 (en) * | 2006-06-17 | 2007-12-20 | Tim Hasenour | Time delay relay |
US8136890B2 (en) * | 2008-04-02 | 2012-03-20 | International Safety & Development, Llc | Shock proof devices and methods |
US9577389B2 (en) | 2014-03-07 | 2017-02-21 | International Safety Holdings, LLC | Systems and methods for modular shock proof electrical outlets |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1904759A (en) * | 1931-05-25 | 1933-04-18 | Trico Products Corp | Fluid pressure horn |
US2200109A (en) * | 1934-05-23 | 1940-05-07 | Heinemann Circuit Breaker Comp | Current limiter |
GB507487A (en) * | 1937-12-13 | 1939-06-13 | Rene Tondeur | Improvements in spring urged non-return valves and the manufacture thereof |
US2519055A (en) * | 1946-08-02 | 1950-08-15 | Mcgraw Electric Co | Circuit interrupter |
US2694789A (en) * | 1950-12-07 | 1954-11-16 | Heinemann Electric Co | Delayed-action magnetic circuit breaker |
DE884213C (de) * | 1951-11-07 | 1953-08-24 | Heinrich Remmer | Loesbares Anschlusskontaktpaar fuer Sammlerbatterien |
US3183931A (en) * | 1963-02-09 | 1965-05-18 | Dehavilland Aircraft Canada | Charging valve for oleo pneumatic aircraft landing struts |
US3308847A (en) * | 1964-01-31 | 1967-03-14 | Croname Inc | Solenoid-operated, shut-off and regulator valve |
US3441052A (en) * | 1967-05-10 | 1969-04-29 | William H Schilling | Automatic flow-responsive valve |
-
1972
- 1972-04-26 US US00247732A patent/US3729696A/en not_active Expired - Lifetime
-
1973
- 1973-03-01 CA CA164,982A patent/CA970804A/en not_active Expired
- 1973-04-06 DE DE2317433A patent/DE2317433A1/de active Pending
- 1973-04-10 GB GB1707173A patent/GB1409198A/en not_active Expired
- 1973-04-10 FR FR7312944A patent/FR2181875B1/fr not_active Expired
- 1973-04-13 ZA ZA732562A patent/ZA732562B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA970804A (en) | 1975-07-08 |
FR2181875A1 (de) | 1973-12-07 |
DE2317433A1 (de) | 1973-11-15 |
US3729696A (en) | 1973-04-24 |
ZA732562B (en) | 1974-03-27 |
FR2181875B1 (de) | 1977-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |