CN1327464C - 压差开关 - Google Patents
压差开关 Download PDFInfo
- Publication number
- CN1327464C CN1327464C CNB2003101215680A CN200310121568A CN1327464C CN 1327464 C CN1327464 C CN 1327464C CN B2003101215680 A CNB2003101215680 A CN B2003101215680A CN 200310121568 A CN200310121568 A CN 200310121568A CN 1327464 C CN1327464 C CN 1327464C
- Authority
- CN
- China
- Prior art keywords
- lever arm
- barrier film
- actuator
- transducer
- pressure difference
- 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 - Fee Related
Links
Images
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
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Vehicle Body Suspensions (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT002761A ITMI20022761A1 (it) | 2002-12-24 | 2002-12-24 | Pressostato differenziale |
ITMI2002A002761 | 2002-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1510707A CN1510707A (zh) | 2004-07-07 |
CN1327464C true CN1327464C (zh) | 2007-07-18 |
Family
ID=32448932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101215680A Expired - Fee Related CN1327464C (zh) | 2002-12-24 | 2003-12-22 | 压差开关 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1434245B1 (es) |
CN (1) | CN1327464C (es) |
AT (1) | ATE306717T1 (es) |
DE (1) | DE60301846T2 (es) |
ES (1) | ES2247483T3 (es) |
HK (1) | HK1065887A1 (es) |
IT (1) | ITMI20022761A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102171781A (zh) * | 2008-12-18 | 2011-08-31 | 马特尔公司 | 具有费力杠杆放大系统的机电压力开关 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4914264A (en) * | 1988-07-11 | 1990-04-03 | Robertshaw Controls Company | Control device having a self-supporting switch unit therein |
CN1307349A (zh) * | 2000-01-27 | 2001-08-08 | 株式会社不二工机 | 压力开关 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3241381A (en) * | 1962-02-28 | 1966-03-22 | Cutler Hammer Inc | Motion transmitting mechanism |
US3281554A (en) * | 1964-09-29 | 1966-10-25 | Westinghouse Air Brake Co | Pressure operated switch with a friction clutch |
-
2002
- 2002-12-24 IT IT002761A patent/ITMI20022761A1/it unknown
-
2003
- 2003-12-16 EP EP03079064A patent/EP1434245B1/en not_active Expired - Lifetime
- 2003-12-16 ES ES03079064T patent/ES2247483T3/es not_active Expired - Lifetime
- 2003-12-16 DE DE60301846T patent/DE60301846T2/de not_active Expired - Lifetime
- 2003-12-16 AT AT03079064T patent/ATE306717T1/de not_active IP Right Cessation
- 2003-12-22 CN CNB2003101215680A patent/CN1327464C/zh not_active Expired - Fee Related
-
2004
- 2004-11-01 HK HK04108549A patent/HK1065887A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4914264A (en) * | 1988-07-11 | 1990-04-03 | Robertshaw Controls Company | Control device having a self-supporting switch unit therein |
CN1307349A (zh) * | 2000-01-27 | 2001-08-08 | 株式会社不二工机 | 压力开关 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102171781A (zh) * | 2008-12-18 | 2011-08-31 | 马特尔公司 | 具有费力杠杆放大系统的机电压力开关 |
CN102171781B (zh) * | 2008-12-18 | 2014-06-11 | 马特尔公司 | 具有费力杠杆放大系统的机电压力开关 |
Also Published As
Publication number | Publication date |
---|---|
ATE306717T1 (de) | 2005-10-15 |
DE60301846D1 (de) | 2005-11-17 |
ITMI20022761A1 (it) | 2004-06-25 |
EP1434245B1 (en) | 2005-10-12 |
HK1065887A1 (en) | 2005-03-04 |
CN1510707A (zh) | 2004-07-07 |
ES2247483T3 (es) | 2006-03-01 |
EP1434245A1 (en) | 2004-06-30 |
DE60301846T2 (de) | 2006-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1065887 Country of ref document: HK |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20201222 |
|
CF01 | Termination of patent right due to non-payment of annual fee |