CA2581383A1 - Improvements in or relating to liquid flow control devices - Google Patents
Improvements in or relating to liquid flow control devices Download PDFInfo
- Publication number
- CA2581383A1 CA2581383A1 CA 2581383 CA2581383A CA2581383A1 CA 2581383 A1 CA2581383 A1 CA 2581383A1 CA 2581383 CA2581383 CA 2581383 CA 2581383 A CA2581383 A CA 2581383A CA 2581383 A1 CA2581383 A1 CA 2581383A1
- Authority
- CA
- Canada
- Prior art keywords
- passageway
- port
- liquid
- housing
- flow control
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/001—Actuating devices; Operating means; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Flow Control (AREA)
Abstract
The disclosure relates to a liquid flow control device (10) having a port or passageway (11) through which liquid flow is to be controlled. A body (12) of a liquid swellable material is located in the port or passageway having an upstream side and a downstream side in relation to the direction of liquid flow through the port or passageway. A
layer of sealing material (17) is provided on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway whilst allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.
layer of sealing material (17) is provided on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway whilst allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.
Claims (8)
1. A liquid flow control device having a port or passageway through which liquid flow is to be controlled, a body of a liquid swellable material located in the port or passageway having an upstream side and a downstream side in relation to the direction of liquid flow through the port or passageway, and a layer of sealing material on the upstream side of the body to prevent contact of that side of the body with the liquid when the body is swollen to close the port or passageway whilst allowing contact of the downstream side of the body when the body is in the non-swollen condition allowing liquid flow through the port or passageway.
2. A flow control device as claimed in claim 1, wherein the body of liquid swellable material is partially encapsulated in a layer of sealing material to prevent the body being wetted by said liquid on the upstream side thereof leaving the side of the body on the downstream side exposed for contact with the liquid.
3. A flow control device as claimed in claim 2, wherein the layer of sealing material extends over said upstream side of the body and around the periphery of the body, between the body and an encircling face of the port or passageway with which the body/sealing layer forms a seal when the body is in said swollen condition.
4. A flow control device as claimed in any of claims 1 to 3, wherein means are provided in the port or passageway to locate the body in the port or passageway.
5. A flow control device as claimed in claim 4, wherein the port or passageway has spaced abutments encircling the port or passageway between which the body of swellable material is located and constrained movement along the port or passageway with the liquid flow.
6. A flow control device as claimed in any of the preceding claims, wherein the passageway is formed in a tube or cylindrical body to receive a liquid flow.
7. A flow control device as claimed in claim 1 comprising an annular housing comprising a peripheral wall and side walls which provide an enclosure for the body of water swellable material, the roof or wall of the housing having one or more orifices providing inlet ports for liquid flow into the housing and one side wall of the housing having an outlet opening for liquid flow out of the housing, the body of water swellable material within the housing having an encircling sealing layer around its periphery which engages the inner periphery of the housing with swelling of the body of material to close off flow of liquid into the housing through said port or ports and to allow liquid flow through the housing when the body of swellable material is in its contracted condition.
8. A flow control device as claimed in claim 7, wherein the housing is mounted in a tube or cylindrical body through which cylindrical flows to regulate flow from the tube or coupling body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2581383 CA2581383C (en) | 2007-03-09 | 2007-03-09 | Improvements in or relating to liquid flow control devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2581383 CA2581383C (en) | 2007-03-09 | 2007-03-09 | Improvements in or relating to liquid flow control devices |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2581383A1 true CA2581383A1 (en) | 2008-09-09 |
CA2581383C CA2581383C (en) | 2011-09-20 |
Family
ID=39747200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2581383 Expired - Fee Related CA2581383C (en) | 2007-03-09 | 2007-03-09 | Improvements in or relating to liquid flow control devices |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2581383C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011115494A1 (en) * | 2010-03-18 | 2011-09-22 | Statoil Asa | Flow control device and flow control method |
-
2007
- 2007-03-09 CA CA 2581383 patent/CA2581383C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011115494A1 (en) * | 2010-03-18 | 2011-09-22 | Statoil Asa | Flow control device and flow control method |
GB2492292A (en) * | 2010-03-18 | 2012-12-26 | Statoil Asa | Flow control device and flow control method |
US9353608B2 (en) | 2010-03-18 | 2016-05-31 | Statoil Petroleum As | Flow control device and flow control method |
GB2492292B (en) * | 2010-03-18 | 2016-10-19 | Statoil Petroleum As | Flow control device and flow control method |
Also Published As
Publication number | Publication date |
---|---|
CA2581383C (en) | 2011-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20200309 |