IT977166B - ELECTRIC SWITCH OPERATED BY AN UNDER PRESSURE FLUID - Google Patents
ELECTRIC SWITCH OPERATED BY AN UNDER PRESSURE FLUIDInfo
- Publication number
- IT977166B IT977166B IT734802Q IT480273Q IT977166B IT 977166 B IT977166 B IT 977166B IT 734802 Q IT734802 Q IT 734802Q IT 480273 Q IT480273 Q IT 480273Q IT 977166 B IT977166 B IT 977166B
- Authority
- IT
- Italy
- Prior art keywords
- under pressure
- pressure fluid
- electric switch
- switch operated
- operated
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/029—Composite material comprising conducting material dispersed in an elastic support or binding material
-
- 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
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
- H01H35/346—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm in which the movable contact is formed or directly supported by the diaphragm
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB547672A GB1409783A (en) | 1972-02-05 | 1972-02-05 | Fluid pressure operated switch |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977166B true IT977166B (en) | 1974-09-10 |
Family
ID=9796918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT734802Q IT977166B (en) | 1972-02-05 | 1973-02-02 | ELECTRIC SWITCH OPERATED BY AN UNDER PRESSURE FLUID |
Country Status (6)
Country | Link |
---|---|
US (1) | US3793495A (en) |
JP (1) | JPS4888479A (en) |
DE (1) | DE2305300A1 (en) |
FR (1) | FR2170262B1 (en) |
GB (1) | GB1409783A (en) |
IT (1) | IT977166B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3935636A (en) * | 1974-03-29 | 1976-02-03 | Tyco Laboratories, Inc. | Method of making a pressure transducer |
US3899766A (en) * | 1974-03-29 | 1975-08-12 | Tyco Laboratories Inc | Pressure transducer |
FR2316718A1 (en) * | 1975-06-30 | 1977-01-28 | Ferodo Sa | IMPROVEMENTS IN THE MOUNTING OF A THERMO-CONTACT IN A WALL |
EP0443073A1 (en) * | 1990-02-23 | 1991-08-28 | Kabushiki Kaisha Fine Rubber Kenkyuusho | Pressure sensor utilizing extension type conductive rubber |
US5619022A (en) * | 1995-06-21 | 1997-04-08 | Micro Pneumatic Logic, Inc. | Pneumatic snap action switch |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2474662A (en) * | 1945-12-19 | 1949-06-28 | Fuller Reginald Cyril | Electric pressure indicator |
US2752558A (en) * | 1953-04-22 | 1956-06-26 | Ernest M Kane | Electric transducer |
FR1177677A (en) * | 1956-08-27 | 1959-04-28 | Bendix Aviat Corp | Pressure converter |
US3394345A (en) * | 1965-09-17 | 1968-07-23 | Edward M. Thomas | Signal means for indicating residual hydraulic pressure in a brake system |
US3455165A (en) * | 1965-12-22 | 1969-07-15 | Pierre Huet | Pressure sensitive devices |
US3509296A (en) * | 1967-10-23 | 1970-04-28 | Ncr Co | Resilient variable-conductivity circuit controlling means |
US3573725A (en) * | 1969-06-25 | 1971-04-06 | Gen Motors Corp | Resilient accumulator reservoir with failure switch |
-
1972
- 1972-02-05 GB GB547672A patent/GB1409783A/en not_active Expired
-
1973
- 1973-02-02 IT IT734802Q patent/IT977166B/en active
- 1973-02-03 DE DE19732305300 patent/DE2305300A1/en active Pending
- 1973-02-05 FR FR7303930A patent/FR2170262B1/fr not_active Expired
- 1973-02-05 JP JP48013883A patent/JPS4888479A/ja active Pending
- 1973-02-05 US US00329346A patent/US3793495A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3793495A (en) | 1974-02-19 |
DE2305300A1 (en) | 1973-08-16 |
FR2170262B1 (en) | 1976-11-05 |
FR2170262A1 (en) | 1973-09-14 |
AU5174773A (en) | 1974-08-08 |
JPS4888479A (en) | 1973-11-20 |
GB1409783A (en) | 1975-10-15 |
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