MX159949A - Mejoras a controlador de nivel de liquido en recipientes - Google Patents
Mejoras a controlador de nivel de liquido en recipientesInfo
- Publication number
- MX159949A MX159949A MX8292A MX829287A MX159949A MX 159949 A MX159949 A MX 159949A MX 8292 A MX8292 A MX 8292A MX 829287 A MX829287 A MX 829287A MX 159949 A MX159949 A MX 159949A
- Authority
- MX
- Mexico
- Prior art keywords
- containers
- liquid level
- level controller
- controller
- liquid
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/02—Level control, e.g. controlling quantity of material stored in vessel without auxiliary power
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2278—Pressure modulating relays or followers
- Y10T137/2409—With counter-balancing pressure feedback to the modulating device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7358—By float controlled valve
- Y10T137/7368—Servo relay operation of control
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7358—By float controlled valve
- Y10T137/7368—Servo relay operation of control
- Y10T137/7371—Fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/908,228 US4700738A (en) | 1986-09-17 | 1986-09-17 | Liquid level controller |
Publications (1)
Publication Number | Publication Date |
---|---|
MX159949A true MX159949A (es) | 1989-10-11 |
Family
ID=25425401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX8292A MX159949A (es) | 1986-09-17 | 1987-09-14 | Mejoras a controlador de nivel de liquido en recipientes |
Country Status (4)
Country | Link |
---|---|
US (1) | US4700738A (es) |
CA (1) | CA1284077C (es) |
GB (1) | GB2195168B (es) |
MX (1) | MX159949A (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083461A (en) * | 1990-03-08 | 1992-01-28 | Fisher Controls International, Inc. | Low friction trunnion bearing and high pressure seal |
US5191912A (en) * | 1992-01-10 | 1993-03-09 | Mcdaniel Roy L | Liquid level controller |
US6240955B1 (en) * | 1998-01-21 | 2001-06-05 | Anderson Controls, L.C. | Liquid level controller |
US5992448A (en) * | 1998-01-21 | 1999-11-30 | Anderson; R. David | Liquid level controller |
US6354323B1 (en) * | 2000-10-25 | 2002-03-12 | Anderson Controls Lc | Liquid level controller |
US6591860B1 (en) * | 2000-11-17 | 2003-07-15 | Shell Oil Company | Infinitely adjustable, low deadband, point contact pneumatic level switch |
US6497246B1 (en) * | 2001-06-05 | 2002-12-24 | Delaware Capital Formation, Inc. | Pneumatic snap pilot |
US8220485B2 (en) * | 2005-05-31 | 2012-07-17 | Fisher Controls International Llc | Pneumatic pilot valve |
US7204143B1 (en) | 2005-09-20 | 2007-04-17 | Delaware Capital Formation, Inc. | Liquid level controller |
US7806133B1 (en) | 2006-07-27 | 2010-10-05 | Delaware Capital Formation, Inc. | Fluid level controller |
US8622072B2 (en) * | 2008-12-05 | 2014-01-07 | Fisher Controls International, Llc | Apparatus to control fluid flow |
CN206002969U (zh) * | 2015-04-21 | 2017-03-08 | 费希尔控制产品国际有限公司 | 用于检测液位控制器上的杠杆锁定位置的设备、装置和系统 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2616440A (en) * | 1944-08-03 | 1952-11-04 | Mason Neilan Regulator Company | Pneumatic control mechanism |
US3041512A (en) * | 1959-03-02 | 1962-06-26 | Fisher Governor Co | Dynamically rebalanced servosystem adapted for liquid level control |
US3052254A (en) * | 1959-09-08 | 1962-09-04 | Asbury S Parks | Pressure control devices |
-
1986
- 1986-09-17 US US06/908,228 patent/US4700738A/en not_active Expired - Lifetime
-
1987
- 1987-07-16 GB GB8716755A patent/GB2195168B/en not_active Expired - Lifetime
- 1987-07-17 CA CA 542369 patent/CA1284077C/en not_active Expired - Lifetime
- 1987-09-14 MX MX8292A patent/MX159949A/es unknown
Also Published As
Publication number | Publication date |
---|---|
GB8716755D0 (en) | 1987-08-19 |
GB2195168B (en) | 1991-01-02 |
CA1284077C (en) | 1991-05-14 |
GB2195168A (en) | 1988-03-30 |
US4700738A (en) | 1987-10-20 |
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