CA2507782A1 - Supply biased pneumatic pressure relay - Google Patents
Supply biased pneumatic pressure relay Download PDFInfo
- Publication number
- CA2507782A1 CA2507782A1 CA002507782A CA2507782A CA2507782A1 CA 2507782 A1 CA2507782 A1 CA 2507782A1 CA 002507782 A CA002507782 A CA 002507782A CA 2507782 A CA2507782 A CA 2507782A CA 2507782 A1 CA2507782 A1 CA 2507782A1
- Authority
- CA
- Canada
- Prior art keywords
- housing
- pressure
- supply
- modular
- pneumatic
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
An electro-pneumatic converter device with modular components and with supporting housing structure enabling the device to be readily convertible from a current to pressure positioner to a current to pressure transducer. A valve positioner with an enclosure having a housing, a modular base, and a separable field terminal box. A self contained cover mounted to the enclosure with no additional mounting components. A plastic pneumatic relay ultrasonically welded together to eliminate metal mounting parts and lower assembly time. Open channels in a housing surface cooperating with a gasket to provide fluid passageways between the housing and the modular base.
Pressure gauges are removably mounted on a modular unit for location completely within the housing. A floating interconnect terminal board permits self-aligning of mating terminals as the modular unit is inserted into the housing. A supply biased pneumatic pressure relay has supply pressure channeled to the supply port and also to a supply bias cavity through a capillary hole.
Pressure gauges are removably mounted on a modular unit for location completely within the housing. A floating interconnect terminal board permits self-aligning of mating terminals as the modular unit is inserted into the housing. A supply biased pneumatic pressure relay has supply pressure channeled to the supply port and also to a supply bias cavity through a capillary hole.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94275892A | 1992-09-09 | 1992-09-09 | |
US942,758 | 1992-09-09 | ||
US08/114,955 US5439021A (en) | 1992-09-09 | 1993-08-31 | Electro-pneumatic converter |
US08/114,955 | 1993-08-31 | ||
CA 2105705 CA2105705C (en) | 1992-09-09 | 1993-09-08 | Electro-pneumatic converter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2105705 Division CA2105705C (en) | 1992-09-09 | 1993-09-08 | Electro-pneumatic converter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2507782A1 true CA2507782A1 (en) | 1994-03-10 |
CA2507782C CA2507782C (en) | 2006-02-14 |
Family
ID=34753231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002507782A Expired - Lifetime CA2507782C (en) | 1992-09-09 | 1993-09-08 | Supply biased pneumatic pressure relay |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2507782C (en) |
-
1993
- 1993-09-08 CA CA002507782A patent/CA2507782C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2507782C (en) | 2006-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |